CN106911366A - Wireless communications method and device - Google Patents

Abstract

The embodiment of the present invention provides a wireless communication method and device, the method includes: the macro base station transmits the user plane data of the terminal equipment through the first antenna and the second antenna of the virtual base station; the macro base station and the core network equipment transmit the user plane data of the terminal equipment Plane data; the macro base station transmits the control plane data of the terminal device through the wide beam antenna and the third antenna of the terminal device. The channel estimation of the transmitted data is not affected by the movement of the terminal equipment, which can reduce the complexity of channel quality estimation, reduce resource consumption, and save the cost of data transmission.

Description

Wireless communication method and device

technical field

The present invention relates to the communication field, in particular to a wireless communication method and device in the communication field.

Background technique

With the increase of mobile users, the development of the Internet and the growth of mobile service data, users have higher and higher requirements on the data rate of the cellular network. In order to increase the channel capacity, the cellular network continues to miniaturize the cell, but the miniaturization of the cell will cause frequent switching between cells, which will bring great pressure to the base station, and the switching of the cell will also consume power, resulting in a waste of resources. Consumption reduces the coverage area of the cell. Since the efficiency of spectrum utilization is close to the limit, the scarcity of spectrum has become the biggest bottleneck limiting network capacity. Therefore, the development and utilization of high frequency bands is the main research and development direction for improving user bandwidth and data rate.

In order to increase user bandwidth and data rate, a Massive Multiple Input Multiple Output (Massive MIMO) antenna is introduced to improve data transmission rate and signal-to-noise ratio and reduce bit error rate. However, due to the mobility of terminal equipment and The impact of spatial transmission variability requires complex channel quality estimation algorithms to realize the positioning and tracking of beams to terminal devices, which requires more pilot channels, computing resources, and control signaling, and the constraints on the degrees of freedom of Massive MIMO antennas will limit The number of end devices. The virtual base station transmits the control plane data and the user plane data separately, but the macro base station and the virtual base station need to define an interface, which needs to be transmitted in a wired manner, and the backhaul path from the virtual base station to the core network equipment to transmit user plane data is required. Deploying this The two transmission paths face great challenges, and the cost is relatively high. Therefore, while increasing the data rate, it is particularly important to reduce the complexity of the channel quality estimation algorithm, reduce resource consumption, and reduce transmission costs.

Contents of the invention

Therefore, the wireless communication method and device provided by the embodiments of the present invention can reduce the complexity of channel quality estimation, reduce resource consumption, and save data transmission costs.

In a first aspect, a wireless communication method is provided, the method includes: a macro base station transmits user plane data of a terminal device through a first antenna and a second antenna of a virtual base station; the macro base station transmits user plane data of a terminal device with a core network device ; The macro base station transmits the control plane data of the terminal equipment through the wide-beam antenna and the third antenna of the terminal equipment.

According to the wireless communication method of the embodiment of the present invention, the user plane data of the terminal device is transmitted through the core network device and the macro base station, and is transmitted through the first antenna of the macro base station and the second antenna of the first virtual base station, and the control plane data of the terminal device Through the wide beam antenna of the macro base station and the third antenna of the terminal equipment, the channel estimation for transmitting the user plane data of the terminal equipment is not affected by the mobility of the terminal equipment, thereby reducing the complexity of channel quality estimation and resource consumption , one macro base station corresponds to multiple virtual base stations, and one virtual base station can serve multiple terminal devices and provide services for more terminal devices. Using antennas to transmit user plane data can save the cost of data transmission.

In a first possible implementation manner of the first aspect, the macro base station transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, including: the macro base station receives through the first antenna the virtual base station through the second antenna The user plane data of the terminal device sent by the antenna; the macro base station and the core network device transmit the user plane data of the terminal device, including: the macro base station sends the user plane data of the terminal device received through the first antenna to the core network device; and/or The macro base station and the core network equipment transmit the user plane data of the terminal equipment, including: the macro base station receives the user plane data of the terminal equipment sent by the core network equipment; the macro base station transmits the user plane data of the terminal equipment through the first antenna and the second antenna of the virtual base station The data includes: the received user plane data of the terminal equipment sent by the macro base station to the second antenna of the virtual base station through the first antenna.

With reference to the foregoing possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the first antenna is a massive multiple-input multiple-output antenna.

With reference to the above possible implementation of the first aspect, in a third possible implementation of the first aspect, before the macro base station transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, the method It also includes: the macro base station obtains the location parameters and service parameters of the terminal equipment; determines the virtual base station from at least one virtual base station according to the location parameters and service parameters of the terminal equipment; sends indication information to the third antenna of the terminal equipment through a wide beam antenna, The instruction information is used to instruct the terminal device to access the virtual base station.

In combination with the above possible implementation of the first aspect, in the fourth possible implementation of the first aspect, the service parameters include the amount of service data; according to the location parameters and service parameters of the terminal equipment, determining the virtual base station includes: when the service When the amount of data is greater than the threshold, determine the distance between the terminal device and each of the at least one virtual base station according to the location parameter; determine the virtual base station closest to the terminal device among the at least one virtual base station as the virtual base station.

With reference to the above possible implementation of the first aspect, in a fifth possible implementation of the first aspect, before the macro base station transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, the method It also includes: sending a carrier aggregation configuration message to the third antenna of the terminal device through a wide beam antenna, where the carrier aggregation configuration message is used to instruct the terminal device to transmit the user plane data of the terminal device through a first path and a second path, wherein the first path The second path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path passes through the third antenna and the wide beam antenna of the macro base station.

With reference to the above possible implementation of the first aspect, in a sixth possible implementation of the first aspect, before the macro base station transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, the method It also includes: receiving the first random access request message sent by the virtual base station through the second antenna through the first antenna; sending configuration parameters to the virtual base station according to the first random access request message, and the configuration parameters include: the fifth antenna and the second antenna The working frequency band parameters, the initialization synchronization parameters of the second antenna and the fifth antenna.

With reference to the foregoing possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, the method further includes: the macro base station sends the control signaling to the second antenna of the virtual base station through the first antenna.

With reference to the foregoing possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the first antenna communicates with the second antenna by using a low frequency band.

With reference to the above possible implementation of the first aspect, in a ninth possible implementation of the first aspect, when the distance between the terminal device and the virtual base station is greater than a second threshold, determine the second virtual base station from at least one virtual base station ; Sending a switching message to the third antenna of the terminal device through the wide beam antenna, where the switching message is used to instruct the terminal device to switch from the current virtual base station to the second virtual base station.

In a second aspect, a wireless communication method is provided, the method includes: a virtual base station transmits user plane data of a terminal device with a first antenna of a macro base station through a second antenna; the virtual base station communicates with a fourth antenna of the terminal device through a fifth antenna Transmit user plane data.

In a first possible implementation manner of the second aspect, the virtual base station transmits the user plane data of the terminal device with the first antenna of the macro base station through the second antenna, including: the virtual base station receives the data received by the macro base station through the first antenna through the second antenna. The user plane data of the terminal device sent; the virtual base station transmits the user plane data with the fourth antenna of the terminal device through the fifth antenna, including: the virtual base station sends the received user plane data of the terminal device to the fourth antenna of the terminal device through the fifth antenna and/or the virtual base station transmits user plane data with the fourth antenna of the terminal device through the fifth antenna, including: the virtual base station receives the user plane data of the terminal device sent by the fourth antenna of the terminal device through the fifth antenna; the virtual base station Transmitting the user plane data of the terminal device with the first antenna of the macro base station through the second antenna includes: the virtual base station sends the received user plane data of the terminal device to the first antenna of the macro base station through the second antenna.

With reference to the above possible implementation of the second aspect, in a second possible implementation of the second aspect, the virtual base station receives the user plane data of the terminal device sent by the macro base station through the first antenna through the second antenna, including: virtual The base station receives the first low-frequency user plane data sent by the macro base station through the first antenna through the second antenna; the virtual base station converts the first low-frequency user plane data into the first high-frequency user plane data; the virtual base station sends data to the terminal device through the fifth antenna The fourth antenna sending the received user plane data of the terminal device includes: the virtual base station sends the first high-frequency user plane data to the fourth antenna of the terminal device through the fifth antenna.

With reference to the above possible implementation of the second aspect, in a third possible implementation of the second aspect, the virtual base station receives the user plane data of the terminal device sent by the fourth antenna of the terminal device through the fifth antenna, including: virtual The base station receives the second high-frequency user plane data sent by the fourth antenna of the terminal device through the fifth antenna; the virtual base station converts the second high-frequency user plane data into second low-frequency user plane data; the virtual base station sends data to the macro base station through the second antenna Sending the received user plane data of the terminal device through the first antenna includes: the virtual base station sends the second low frequency user plane data to the first antenna of the macro base station through the second antenna.

In this way, the virtual base station can convert the user plane data of the terminal device into high and low frequency without analyzing the user plane data of the terminal device. The frame format of the first low frequency user plane data is the same as that of the first high frequency user plane data, and the second The low-frequency user plane data has the same frame format as the second high-frequency user plane data, which can realize data transparent transmission, reduce bandwidth consumption, and increase the number of service terminal devices.

With reference to the above possible implementation of the second aspect, in a fourth possible implementation of the second aspect, before the virtual base station transmits the user plane data of the terminal device with the first antenna of the macro base station through the second antenna, the method It also includes: sending a first random access request message to the first antenna of the macro base station through the second antenna; receiving configuration parameters sent by the macro base station through the first antenna according to the first random access request message through the second antenna, and the configuration parameters include : The parameters of the working frequency band of the fifth antenna and the second antenna and the initialization parameters of the synchronization of the radio frequency signals of the second antenna and the fifth antenna.

With reference to the above possible implementation of the second aspect, in a fifth possible implementation of the second aspect, before the virtual base station transmits the user plane data of the terminal device with the first antenna of the macro base station through the second antenna, the method It also includes: receiving a second random access request message sent by the terminal device through the fourth antenna through the fifth antenna; and sending the second random access request message to the first antenna of the macro base station through the second antenna.

In combination with the foregoing possible implementation of the second aspect, in a sixth possible implementation of the second aspect, the first antenna is a large-scale multiple-input multiple-output antenna, and the large-scale multiple-input multiple-output antenna has multiple narrow beams, The virtual base station corresponds to one narrow beam among the plurality of narrow beams.

With reference to the foregoing possible implementation manner of the second aspect, in a seventh possible implementation manner of the second aspect, the method further includes: the virtual base station receives the control signaling sent by the macro base station through the first antenna through the second antenna.

In combination with the above possible implementation of the second aspect, in an eighth possible implementation of the second aspect, the second antenna uses the low frequency band to transmit user plane data of the terminal device with the first antenna, and the fifth antenna uses the high frequency band to communicate with the first antenna. The fourth antenna transmits user plane data of the terminal device.

In combination with the above-mentioned possible implementation of the second aspect, in the ninth possible implementation of the second aspect, the virtual base station has a physical layer signal forwarding function, that is, the virtual base station can forward the user plane data of the terminal equipment, and can also forward the user plane data to the macro base station. The station initiates the first random access request message, but has no function of processing user plane data and control plane data of the terminal device.

In a third aspect, a wireless communication method is provided, the method comprising: the terminal device transmits user plane data of the terminal device through the fourth antenna and the fifth antenna of the virtual base station; the terminal device communicates with the wide beam antenna of the macro base station through the third antenna Transmits control plane data for end devices.

In a first possible implementation manner of the third aspect, the fourth antenna and the fifth antenna use a high frequency band to communicate.

With reference to the above possible implementation of the third aspect, in a second possible implementation of the third aspect, the terminal device transmits the user plane data of the terminal device through the fourth antenna and the fifth antenna of the virtual base station, including: the terminal device Sending the high frequency user plane data of the terminal device to the fifth antenna of the virtual base station through the fourth antenna; and/or the terminal device receiving the high frequency user plane data sent by the virtual base station through the fifth antenna through the fourth antenna.

In a fourth aspect, a wireless communication device is provided, which includes: a first communication module, configured to transmit user plane data of a terminal device through a first antenna and a second antenna of a virtual base station; a second communication module, configured to communicate with The core network equipment transmits the user plane data of the terminal equipment; the third communication module is used to transmit the control plane data of the terminal equipment through the wide beam antenna and the third antenna of the terminal equipment.

In the first possible implementation manner of the fourth aspect, the first communication module is specifically configured to: use the first antenna to receive user plane data of the terminal device sent by the virtual base station through the second antenna; the second communication module is specifically configured to: Sending the user plane data of the terminal device received through the first antenna to the core network device; and/or the second communication module is further configured to: receive the user plane data of the terminal device sent by the core network device; the first communication module specifically further It is used for: sending the received user plane data of the terminal device to the second antenna of the virtual base station through the first antenna.

With reference to the foregoing possible implementation manner of the fourth aspect, in a second possible implementation manner of the fourth aspect, the first antenna is a massive multiple-input multiple-output antenna.

With reference to the above possible implementation of the fourth aspect, in a third possible implementation of the fourth aspect, the third communication module is further configured to: transmit the user of the terminal device through the first antenna and the second antenna of the virtual base station Before receiving the surface data, obtain the location parameters and service parameters of the terminal equipment through the wide beam antenna; determine the virtual base station from at least one virtual base station according to the location parameters and service parameters of the terminal equipment; The indication information is used to instruct the terminal device to access the virtual base station.

In combination with the above possible implementation of the fourth aspect, in the fourth possible implementation of the fourth aspect, the service parameters include the amount of business data; the third communication module is specifically used to: when the amount of business data is greater than a threshold, according to the location The parameter determines the distance between the terminal device and each virtual base station in the at least one virtual base station; and the virtual base station with the closest distance to the terminal device in the at least one virtual base station is determined as the virtual base station.

With reference to the above possible implementation of the fourth aspect, in a fifth possible implementation of the fourth aspect, the third communication module is further configured to: transmit the communication between the terminal device through the first antenna and the second antenna of the virtual base station Before the user plane data, a carrier aggregation configuration message is sent to the third antenna of the terminal device through the wide beam antenna, and the carrier aggregation configuration message is used to instruct the terminal device to transmit the user plane data of the terminal device through the first path and the second path, where the first A path passes through the fourth antenna and the fifth antenna of the first virtual base station, and the second path passes through the third antenna and the wide beam antenna.

With reference to the above possible implementation of the fourth aspect, in a sixth possible implementation of the fourth aspect, the first communication module is further configured to: transmit the user of the terminal device through the first antenna and the second antenna of the virtual base station Before data surface, receive the first random access request message sent by the virtual base station through the first antenna; send configuration parameters to the second antenna of the virtual base station according to the first random access request message, the configuration parameters include: the fifth antenna and the second antenna The operating frequency band parameters of the antenna, the initialization synchronization parameters of the second antenna and the fifth antenna, the initialization parameters may include physical frame synchronization information, and when the second antenna receives the user plane data of the terminal device through the physical frame synchronization information, the fifth antenna can Send to the fourth antenna of the terminal device without delay, or when the fifth antenna receives the user plane data of the terminal device, the second antenna may send to the first antenna of the macro base station without delay.

With reference to the foregoing possible implementation manner of the fourth aspect, in a seventh possible implementation manner of the fourth aspect, the first antenna communicates with the second antenna by using a low frequency band.

With reference to the foregoing possible implementation manner of the fourth aspect, in an eighth possible implementation manner of the fourth aspect, the first transmission module is further configured to: send the control signaling to the second antenna of the virtual base station through the first antenna.

With reference to the above possible implementation of the fourth aspect, in a ninth possible implementation of the fourth aspect, when the distance between the terminal device and the virtual base station is greater than the second threshold, the third communication module is specifically configured to: from at least one The second virtual base station is determined in the virtual base station; a switching message is sent to the third antenna of the terminal device through a wide beam antenna, and the switching message is used to instruct the terminal device to switch from the current virtual base station to the second virtual base station.

In a fifth aspect, a wireless communication device is provided, which includes: a first communication module, configured to transmit user plane data of a terminal device with a first antenna of a macro base station through a second antenna; a second communication module, configured to transmit user plane data through a second antenna The fifth antenna and the fourth antenna of the terminal device transmit user plane data of the terminal device.

In a first possible implementation manner of the fifth aspect, the first communication module is specifically configured to: receive user plane data of the terminal device sent by the macro base station through the first antenna through the second antenna, and the second communication module is specifically configured to: Send the received user plane data of the terminal device to the fourth antenna of the terminal device through the fifth antenna; and/or the second communication module is specifically further configured to: receive the data of the terminal device sent by the terminal device through the fourth antenna through the fifth antenna The user plane data, the first communication module is specifically further configured to: transmit the received user plane data of the terminal device to the first antenna of the macro base station through the second antenna.

With reference to the above possible implementation manner of the fifth aspect, in a second possible implementation manner of the fifth aspect, the first communication module is further configured to: receive the first low-frequency signal sent by the macro base station through the first antenna through the second antenna User plane data; converting the first low frequency user plane data into first high frequency user plane data; the second communication module is further configured to: send the first high frequency user plane data to the fourth antenna of the terminal device through the fifth antenna.

With reference to the above possible implementation manner of the fifth aspect, in a third possible implementation manner of the fifth aspect, the second communication module is specifically further configured to: use the fifth antenna to receive the second maximum value transmitted by the fourth antenna of the terminal device. converting the second high-frequency user-plane data into second low-frequency user-plane data; the first communication module is further configured to: send the second low-frequency user-plane data to the first antenna of the macro base station through the second antenna.

With reference to the above possible implementation of the fifth aspect, in a fourth possible implementation of the fifth aspect, the first communication module is further configured to: transmit the terminal at the virtual base station through the second antenna and the first antenna of the macro base station Before the user plane data of the device, send the first random access request message to the first antenna of the macro base station through the second antenna; receive the configuration parameters sent by the macro base station through the first antenna according to the first random access request message through the second antenna , the configuration parameters include: working frequency band parameters of the fifth antenna and the second antenna, and initialization parameters for synchronizing radio frequency signals of the second antenna and the fifth antenna.

With reference to the above possible implementation manner of the fifth aspect, in a fifth possible implementation manner of the fifth aspect, the second communication module is specifically configured to: use the fifth antenna to receive the second random access message sent by the terminal device through the fourth antenna. The access request message; sending the second random access request message to the first antenna of the macro base station through the second antenna.

In combination with the above possible implementation of the fifth aspect, in the sixth possible implementation of the fifth aspect, the second antenna uses the low frequency band to transmit user plane data of the terminal device with the first antenna, and the fifth antenna uses the high frequency band to communicate with the first antenna. The fourth antenna transmits user plane data of the terminal device.

In combination with the foregoing possible implementation manners of the fifth aspect, in a seventh possible implementation manner of the fifth aspect, the first antenna is a large-scale multiple-input multiple-output antenna, and the large-scale multiple-input multiple-output antenna has multiple narrow beams, The virtual base station corresponds to one narrow beam among the plurality of narrow beams.

With reference to the above possible implementation of the fifth aspect, in an eighth possible implementation of the fifth aspect, the first communication module is further configured to: the virtual base station receives the control sent by the macro base station through the first antenna through the second antenna signaling.

In combination with the above possible implementation of the fifth aspect, in the ninth possible implementation of the fifth aspect, the device has a physical layer signal forwarding function, that is, the virtual base station can forward the user plane data of the terminal equipment, and can also forward the user plane data to the macro base station. The station initiates the first random access request message, but has no function of processing user plane data and control plane data of the terminal device.

In a sixth aspect, a wireless communication system is provided, the system includes: a macro base station, at least one virtual base station, and core network equipment, the macro base station includes a first antenna and a wide beam antenna, and each virtual base station in the at least one virtual base station includes The second antenna, the first virtual base station in at least one virtual base station is used to transmit the user plane data of the terminal equipment with the first antenna of the macro base station through the second antenna; the macro base station is also used to transmit the user plane data of the terminal equipment with the core network equipment Data: the wide-beam antenna of the macro base station is used to transmit control plane data of the terminal device with the third antenna of the terminal device.

According to the wireless communication system of the embodiment of the present invention, the user plane data of the terminal equipment is transmitted through the core network equipment and the macro base station, and is transmitted through the first antenna of the macro base station and the second antenna of the first virtual base station, and the control plane data of the terminal equipment Through the wide beam antenna of the macro base station and the third antenna of the terminal equipment, the channel estimation for transmitting the user plane data of the terminal equipment is not affected by the mobility of the terminal equipment, thereby reducing the complexity of channel quality estimation and resource consumption , one macro base station corresponds to multiple virtual base stations, and one virtual base station can serve multiple terminal devices and provide services for more terminal devices. Using antennas to transmit user plane data can save the cost of data transmission.

In a first possible implementation manner of the sixth aspect, the first antenna is a massive multiple-input multiple-output antenna.

With reference to the above possible implementation manner of the sixth aspect, in a second possible implementation manner of the sixth aspect, the large-scale multiple-input multiple-output antenna has multiple narrow beams, and each virtual base station in at least one virtual base station corresponds to multiple one of the narrow beams, and if at least one virtual base station is specifically a plurality of virtual base stations, any two virtual base stations in the plurality of virtual base stations correspond to different narrow beams in the plurality of narrow beams.

With reference to the foregoing possible implementation manner of the sixth aspect, in a third possible implementation manner of the sixth aspect, the first virtual base station further includes a fifth antenna, and the first virtual base station is further configured to communicate with the terminal device through the fifth antenna. The fourth antenna transmits user plane data of the terminal device.

In combination with the above possible implementation of the sixth aspect, in a fourth possible implementation of the sixth aspect, the first antenna and the second antenna use a low frequency band for communication, and the fifth antenna and the fourth antenna use a high frequency band for communication .

With reference to the above possible implementation of the sixth aspect, in a fifth possible implementation of the sixth aspect, the first virtual base station is further configured to: receive the first low-frequency user data sent by the macro base station through the first antenna through the second antenna plane data; convert the first low-frequency user plane data into first high-frequency user plane data; send the first high-frequency user plane data to the fourth antenna of the terminal device through the fifth antenna; and/or the first virtual base station is also used for : receiving the second high-frequency user plane data sent by the fourth antenna of the terminal device through the fifth antenna; converting the second high-frequency user plane data into second low-frequency user plane data; sending data to the first antenna of the macro base station through the second antenna Send the second low-frequency user plane data.

In this way, the first virtual base station can convert the user plane data of the terminal device into high and low frequency without analyzing the user plane data of the terminal device, the frame format of the first low frequency user plane data is the same as that of the first high frequency user plane data, The frame format of the second low-frequency user plane data is the same as that of the second high-frequency user plane data, which can realize data transparent transmission, reduce bandwidth consumption, and increase the number of service terminal devices.

With reference to the above possible implementation manner of the sixth aspect, in a sixth possible implementation manner of the sixth aspect, the macro base station is further configured to: use the second antenna of the first antenna and each virtual base station in the at least one virtual base station to transmit Control signaling.

With reference to the above possible implementation of the sixth aspect, in the seventh possible implementation of the sixth aspect, the macro base station is further configured to: obtain the location parameters and service parameters of the terminal equipment; , determine the first virtual base station from at least one virtual base station; send indication information to the third antenna of the terminal equipment through a wide beam antenna, the indication information is used to instruct the terminal equipment to access the first virtual base station, and the indication information may also include the terminal equipment access Enter the preamble of the first virtual base station.

In combination with the above possible implementation of the sixth aspect, in the eighth possible implementation of the sixth aspect, the service parameters include the amount of service data; the macro base station is specifically used to: when the amount of service data is greater than a threshold, determine according to the location parameter The distance between the terminal device and each virtual base station in the at least one virtual base station; determining the virtual base station closest to the terminal device in the at least one virtual base station as the first virtual base station.

With reference to the foregoing possible implementation of the sixth aspect, in a ninth possible implementation of the sixth aspect, the macro base station is further configured to: send a carrier aggregation configuration message to the third antenna of the terminal device through a wide beam antenna, and the carrier aggregation The configuration message is used to instruct the terminal device to transmit the user plane data of the terminal device through the first path and the second path, wherein the first path passes through the fourth antenna and the fifth antenna of the first virtual base station, and the second path passes through the third antenna and the fifth antenna of the first virtual base station. The wide-beam antenna of the macro base station; the terminal device is also used to: receive a carrier aggregation configuration message through the third antenna, and transmit user plane data of the terminal device according to the carrier aggregation configuration message.

With reference to the foregoing possible implementation of the sixth aspect, in a tenth possible implementation of the sixth aspect, the macro base station is further configured to: when the distance between the terminal device and the first virtual base station is greater than a second threshold, from at least one The second virtual base station is determined in the virtual base station; a switching message is sent to the third antenna of the terminal device through a wide beam antenna, and the switching message is used to instruct the terminal device to switch from the first virtual base station to the second virtual base station.

With reference to the above possible implementation manner of the sixth aspect, in an eleventh possible implementation manner of the sixth aspect, each virtual base station in the at least one virtual base station is configured to: communicate with the first antenna of the macro base station through the second antenna Sending a first random access request message; the macro base station is also used to: receive the first random access request message through the first antenna; send configuration parameters to each virtual base station in at least one virtual base station according to the first random access request message , the configuration parameters include: the working frequency band parameters of the fifth antenna and the second antenna, the initialization synchronization parameters of the second antenna and the fifth antenna, the initialization parameters can include physical frame synchronization information, and the second antenna can receive the terminal through the physical frame synchronization information When the user plane data of the terminal device is received, the fifth antenna can transmit to the fourth antenna of the terminal device without delay, or when the fifth antenna receives the user plane data of the terminal device, the second antenna can transmit the data to the macro base station without delay. The first antenna transmits.

With reference to the above possible implementation manner of the sixth aspect, in a twelfth possible implementation manner of the sixth aspect, the first target virtual base station is configured to: use the fifth antenna to receive the second random An access request message; sending a second random access request message to the first antenna of the macro base station through the second antenna; the macro base station is configured to: receive the second random access request message through the first antenna.

With reference to the above possible implementation manner of the sixth aspect, in a thirteenth possible implementation manner of the sixth aspect, the system further includes: a terminal device, the terminal device includes a third antenna, and the terminal device is configured to communicate with The wide-beam antenna of the macro base station transmits the control plane data of the terminal equipment.

With reference to the above possible implementation manner of the sixth aspect, in a fourteenth possible implementation manner of the sixth aspect, the terminal device further includes a fourth antenna, and the terminal device is configured to communicate with the fifth antenna of the first virtual base station through the fourth antenna. The antenna transmits the user plane data of the terminal equipment.

With reference to the above possible implementation of the sixth aspect, in a fifteenth possible implementation of the sixth aspect, the terminal device is further configured to periodically report the location parameters and service parameters of the terminal device to the macro base station through the third antenna , so that the macro base station determines the first virtual base station from at least one virtual base station according to the location parameters and service parameters of the terminal device; the terminal device is also used to: receive indication information through the third antenna, and the indication information is used to instruct the terminal equipment to access For the first virtual base station, the indication information may also include a preamble for the terminal device to access the first virtual base station, and the terminal device accesses the first virtual base station according to the indication information.

With reference to the above possible implementation of the sixth aspect, in a sixteenth possible implementation of the sixth aspect, the terminal device is further configured to: receive the carrier aggregation configuration message through the third antenna, and transmit the terminal device according to the carrier aggregation configuration message user plane data.

With reference to the above possible implementation of the sixth aspect, in a seventeenth possible implementation of the sixth aspect, the terminal device is further configured to: receive a handover message through the third antenna; switch from the first virtual base station to the virtual base station according to the handover message Second virtual base station.

With reference to the above possible implementation of the sixth aspect, in an eighteenth possible implementation of the sixth aspect, the terminal device is further configured to: send a second random access to five antennas of the first target virtual base station through the fourth antenna input request message.

In a seventh aspect, a wireless communication device is provided, and the device includes: a receiver, a transmitter, a memory, a processor, and a bus system. Wherein, the receiver, the transmitter, the memory and the processor are connected through the bus system, the memory is used to store instructions, and the processor is used to execute the instructions stored in the memory to control the receiver to receive signals and control the sending The processor sends a signal, and when the processor executes the instruction stored in the memory, the execution causes the processor to execute the method in the first aspect or any possible implementation manner of the first aspect.

In an eighth aspect, a wireless communication device is provided, and the device includes: a receiver, a transmitter, a memory, a processor, and a bus system. Wherein, the receiver, the transmitter, the memory and the processor are connected through the bus system, the memory is used to store instructions, and the processor is used to execute the instructions stored in the memory to control the receiver to receive signals and control the sending The processor sends a signal, and when the processor executes the instruction stored in the memory, the execution causes the processor to execute the method in the second aspect or any possible implementation manner of the second aspect.

A ninth aspect provides a computer-readable medium for storing a computer program, where the computer program includes instructions for executing the method in the first aspect or any possible implementation manner of the first aspect.

A tenth aspect provides a computer-readable medium for storing a computer program, where the computer program includes instructions for executing the method in the second aspect or any possible implementation manner of the second aspect.

Based on the above technical solutions, in the wireless communication method and device provided by the embodiments of the present invention, the macro base station transmits the user plane data of the terminal equipment through the first antenna and the second antenna of the virtual base station, and the macro base station and the core network equipment transmit the data of the terminal equipment For user plane data, the macro base station transmits the control plane data of the terminal equipment through the wide-beam antenna and the third antenna installed in the terminal, and the channel estimation for transmitting the user plane data of the terminal equipment is not affected by the movement of the terminal equipment, thereby reducing the cost of channel quality estimation. Complexity, reducing resource consumption, one macro base station corresponds to multiple virtual base stations, one virtual base station can serve multiple terminal devices, and can provide services for more terminal devices, using antennas to realize user plane data transmission can also save The cost of data transfer.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required in the embodiments of the present invention. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is a schematic diagram of a wireless communication system provided by an embodiment of the present invention.

Fig. 2 is a schematic diagram of another wireless communication system provided by an embodiment of the present invention.

Fig. 3 is a schematic diagram of a wireless communication method provided by an embodiment of the present invention.

Fig. 4 is a schematic diagram of another wireless communication method provided by an embodiment of the present invention.

Fig. 5 is a schematic diagram of another wireless communication method provided by an embodiment of the present invention.

Fig. 6 is a schematic diagram of another wireless communication method provided by an embodiment of the present invention.

Fig. 7 is a schematic diagram of a wireless communication device provided by an embodiment of the present invention.

Fig. 8 is a schematic diagram of another wireless communication device provided by an embodiment of the present invention.

Fig. 9 is a schematic diagram of a wireless communication device provided by an embodiment of the present invention.

Fig. 10 is a schematic diagram of another wireless communication device provided by an embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: Global System of Mobile communication (Global System of Mobile communication, referred to as "GSM") system, Code Division Multiple Access (Code Division Multiple Access, referred to as "CDMA") system, Wideband Code Division Multiple Access (referred to as "WCDMA") system, General Packet Radio Service (referred to as "GPRS"), Long Term Evolution (Long Term Evolution, “LTE” for short) system, LTE Frequency Division Duplex (Frequency Division Duplex, “FDD” for short) system, LTE Time Division Duplex (Time Division Duplex, short for “TDD”), Universal Mobile Telecommunication System (Universal Mobile Telecommunication System, "UMTS" for short) or Worldwide Interoperability for Microwave Access ("WiMAX" for short) communication system, and possible future communication systems.

It should also be understood that, in this embodiment of the present invention, the terminal device may be a user equipment (User Equipment, "UE" for short), a mobile station (Mobile Station, "MS" for short), or a mobile terminal (Mobile Terminal). The device can communicate with one or more core network devices via the radio access network (Radio Access Network, referred to as "RAN"). For example, the terminal device can be a mobile phone (or called a "cellular" phone) or a mobile phone with a mobile terminal. Computers, etc., for example, terminal equipment may also be portable, pocket, handheld, computer built-in or vehicle-mounted mobile devices, which exchange voice and/or data with the wireless access network, which is not limited by the present invention.

In the embodiment of the present invention, the access network device may be a base station controller (Base Station Controller, BSC) in GSM or CDMA, or a radio node controller (Radio Node Controller, RNC) in WCDMA, or a The evolved base station (EvolvedNode B, referred to as "eNB or e-NodeB") in LTE is not limited in the present invention, but for the convenience of description, the following embodiments will use eNB as an example for illustration.

Separate control plane data and user plane data of a virtual cell ((Phantom Cell)) covered by a virtual base station (Phantom Node). The control plane data is provided by the macro cell covered by the macro base station, and the user plane is provided by the virtual cell covered by the virtual base station. Macrocells use lower frequencies and have wide coverage to provide good connectivity and mobility. The virtual cell can use a higher frequency band, has a small coverage area, and can provide high-speed data transmission. The virtual base station has a physical layer signal forwarding function, that is, the virtual base station can forward the user plane data of the terminal equipment, and can also initiate the first random access request message to the macro base station, but it has no ability to process user plane data and control plane data. The physical frame structure of the virtual base station data is consistent with the standard protocol, that is, the primary synchronization signal or secondary synchronization signal, cell-specific reference signal, primary information block or system information block, etc. are reserved, that is, the radio resource control between the virtual base station and the terminal equipment ( The RadioResource Control, "RRC" for short) process is completely managed by the macro base station, for example, RRC establishment and RRC release are completely controlled by the macro base station. Virtual base stations can be flexibly deployed according to service requirements and user density. Its role is to assist macro cells in sharing user plane data. The deployment of virtual base stations can be discontinuous, and there can be a large area of overlap between adjacent virtual cells.

FIG. 1 is a schematic diagram of a wireless communication system 100 provided by an embodiment of the present invention. The system 100 includes: a macro base station 110, at least one virtual base station 120, and a core network device 130;

The macro base station 110 includes a first antenna and a wide beam antenna, each of the at least one virtual base station 120 includes a second antenna, and the first virtual base station in the at least one virtual base station 120 is used to communicate with the macro base station 110 through the second antenna The first antenna transmits user plane data of the terminal device;

The macro base station 110 is also used to transmit user plane data of the terminal equipment with the core network equipment 130;

The macro base station 110 is also configured to transmit the control plane data of the terminal device through the wide beam antenna and the third antenna of the terminal device.

Specifically, in the process of downlink data transmission, the macro base station 110 is used to receive the user plane data of the terminal equipment sent by the core network equipment 130, and send the received user plane data of the terminal equipment to at least one The second antenna of the first virtual base station in the virtual base station 120, the first virtual base station in at least one virtual base station 120 is used to send the user plane data of the terminal device to the terminal device, and complete the transmission of the user plane data of the terminal device in the downlink process For transmission, the macro base station 110 is used to send the control plane data of the terminal device to the third antenna of the terminal device through a wide beam antenna. The wide beam antenna can cover the entire physical macro cell, so that the terminal device can communicate with the macro base station within the coverage of the macro cell. 110 for communication; in the process of uplink data transmission, the first virtual base station in the at least one virtual base station 120 is used to receive the user plane data of the terminal device, and send the received user plane data of the terminal device to the macro base station through the second antenna The first antenna of 110, the macro base station 110 is used to receive the user plane data of the terminal device through the first antenna, and send the user plane data of the terminal device to the core network device 130, and complete the transmission of the user plane data in the uplink process.

It should be understood that in this embodiment of the present invention, at least one virtual base station 120 is one or more virtual base stations. Optionally, the system may include multiple virtual base stations. Correspondingly, the macro base station 110 may pass through the multiple virtual base stations Part or all of the virtual base stations communicate with the user equipment, that is, the first virtual base station is part or all of the virtual base stations, and this embodiment of the present invention is not limited thereto.

Therefore, according to the wireless communication system of the embodiment of the present invention, the user plane data of the terminal equipment is transmitted through the core network equipment and the macro base station, and then transmitted to the user plane data of the terminal equipment through the antenna of the macro base station and the antenna of the virtual base station, and the transmission of the The channel estimation of the user plane data of the terminal device is not affected by the mobility of the terminal device, which can reduce the complexity of channel quality estimation and reduce resource consumption. One macro base station corresponds to multiple virtual base stations, and one virtual base station can serve multiple The terminal device can provide services for more terminal devices, and use the antenna to realize the transmission of user plane data, which can save the cost of data transmission.

As an optional embodiment, the first antenna may be a large-scale MIMO antenna. The large-scale MIMO antenna of the macro base station 110 can make full use of space resources, and the large-scale MIMO antenna can be connected with the first virtual The base station transmits and receives the user plane data of the transmission terminal equipment, which can improve the channel capacity of the system without increasing the spectrum resources and antenna transmission power. It should be understood that the first antenna can also be other antennas, which can be the same as the first antenna. The virtual base station transmits the antenna of the user plane data of the terminal device, and this embodiment of the present invention is not limited thereto.

As an optional embodiment, the large-scale MIMO antenna has multiple narrow beams, and each virtual base station in at least one virtual base station 120 corresponds to one of the multiple narrow beams, and if the at least one virtual base station 120 specifically It is a plurality of virtual base stations, and any two virtual base stations in the plurality of virtual base stations correspond to different narrow beams in the plurality of narrow beams. For example, the large-scale MIMO antenna has N narrow beams, and the system includes M virtual Base station, N≥M>1, then M narrow beams in the N narrow beams can correspond to the M virtual base stations one by one, and the frequency bands used by the M narrow beams are the same. Different virtual base stations transmit user plane data of different terminal devices, which can improve spectrum utilization and also improve data transmission efficiency.

As an optional embodiment, the one-to-one correspondence between the M narrow beams and the M virtual base stations may be implemented through a beamforming algorithm, or may be implemented through other methods, and this embodiment of the present invention is not limited thereto.

As an example, if a 64-element Massive MIMO antenna can simultaneously support 15 beams of terminal devices, in the embodiment of the present invention, the 64-element Massive MIMO antenna can simultaneously support 15 virtual base stations, if each virtual base station can If 10 terminal devices are served, 150 terminal devices can be served in the embodiment of the present invention, and the channel estimation for transmitting the user plane data of the terminal devices is not affected by the mobility of the terminal devices, which can reduce the complexity of channel quality estimation and reduce Resource consumption can increase the number of service terminal devices.

As an optional embodiment, the first virtual base station further includes a fifth antenna, and the first virtual base station is configured to transmit user plane data of the terminal device through the fifth antenna and the fourth antenna of the terminal device.

Specifically, in the process of uplink data transmission, the first virtual base station is used to receive the user plane data of the terminal device sent by the fourth antenna of the terminal device through the fifth antenna, and the first virtual base station is used to transmit the user plane data of the terminal device to the fourth antenna through the second antenna. The user plane data of the terminal equipment received by the antenna is sent to the first antenna of the macro base station 110; in the process of downlink data transmission, the first virtual base station can also be used to transmit the user plane data received by the second antenna through the fifth antenna Send to the fourth antenna of the terminal device, and the fourth antenna of the terminal device receives the user plane data of the terminal device.

As an optional embodiment, the macro base station 110 is further configured to: transmit control signaling to the second antenna of each virtual base station in at least one virtual base station 120 through the first antenna, and the control signaling is usually used for the macro base station 110 to control at least one For each virtual base station in the virtual base station 120, for example, the control signaling or control signaling response that may be transmitted during the deployment process of the virtual base station by the macro base station 110, or the process of transmitting user plane data, the macro base station 110 sends the second The control signaling sent by a virtual base station is not limited in this embodiment of the present invention.

As an optional embodiment, the first antenna and the second antenna may communicate in a low frequency band, and the fifth antenna and the fourth antenna may communicate in a high frequency band.

It should be understood that in the embodiment of the present invention, the low frequency band and the high frequency band are relative concepts, and the division of the high and low frequency bands is different in different networks. For example, in the LTE network, the high frequency band can be: 30-300 GHz; the low frequency band can be: 300-3000 MHz, the embodiment of the present invention is not limited thereto.

Specifically, the first antenna of the macro base station 110 and the second antenna of the first virtual base station use a lower frequency band to transmit user plane data of the terminal equipment, and the macro cell has a wide coverage area, which can also provide a good wireless network for the first virtual base station. Connectivity: the fifth antenna of the first virtual base station and the fourth antenna of the terminal equipment use the high frequency band to transmit the user plane data of the terminal equipment, which can realize the high-speed transmission of the user plane data of the terminal equipment and improve the utilization rate of spectrum. The first antenna of the macro base station 110 and the second antenna of the first virtual base station can also use a lower frequency band to transmit control signaling, as long as the frequency band for data transmission can be allocated reasonably, for example, the first antenna and the second antenna can also use a middle frequency band. The low frequency band transmission is not limited in this embodiment of the present invention.

Optionally, the first antenna of the macro base station 110 and the second antenna of the first virtual base station use a lower frequency band to transmit the user plane data of the terminal device, and may also use a medium and low frequency band to transmit the user plane data of the terminal device. Not limited to this.

Optionally, the wide-beam antenna and the third antenna may use a low frequency band for communication, for example, the low frequency band may be used to transmit the control plane data of the terminal equipment, or the medium and low frequency band may be used to transmit the control plane data of the terminal equipment. Examples are not limited to this.

As an optional embodiment, the first virtual base station is also used to: receive the first low-frequency user plane data sent by the macro base station 110 through the first antenna through the second antenna; convert the first low-frequency user plane data into the first high-frequency user plane data The first high-frequency user plane data is sent to the fourth antenna of the terminal device through the fifth antenna; the second high-frequency user plane data sent by the fourth antenna of the terminal device can also be received through the fifth antenna; convert the high-frequency user plane data into second low-frequency user-plane data; and send the second low-frequency user-plane data to the first antenna of the macro base station 110 through the second antenna.

Therefore, the first virtual base station can convert the user plane data of the terminal device into high and low frequency without analyzing the user plane data of the terminal device, the first low frequency user plane data and the first high frequency user plane data have the same frame format, The frame format of the second low-frequency user plane data is the same as that of the second high-frequency user plane data, which can realize data transparent transmission, reduce bandwidth consumption, and increase the number of service terminal devices.

As an optional embodiment, the macro base station 110 is also used to: obtain the location parameter and the service parameter of the terminal device, and the location parameter of the terminal device is used to indicate the distance information between the terminal device and each virtual base station in at least one virtual base station 120; according to The location parameters and service parameters of the terminal equipment determine the first virtual base station from at least one virtual base station 120; send indication information to the third antenna of the terminal equipment through a wide beam antenna, and the indication information is used to instruct the terminal equipment to access the first virtual base station The indication information may also include a preamble for the terminal device to access the first virtual base station, etc.; the terminal device is further configured to: receive the indication information through the third antenna; and access the first virtual base station according to the indication information. The macro base station 110 may also send other information to the third antenna of the terminal device through the wide beam antenna to ensure that the terminal device effectively accesses the first virtual base station, and the embodiment of the present invention is not limited thereto.

As an optional embodiment, the service parameters include parameters such as service data volume or service type, and the embodiment of the present invention is not limited thereto. The macro base station 110 is also used to: when the service data volume is greater than a threshold, determine the terminal device and at least The distance of each virtual base station in a virtual base station 120; determine the virtual base station with the closest distance to the terminal equipment in at least one virtual base station 120 as the first virtual base station, and select the nearest virtual base station as the access virtual base station of the terminal equipment. In a preferred embodiment, at least one virtual base station 120 can also select a relatively close and idle virtual base station covering the terminal equipment as the first virtual base station for the terminal equipment to access, and other methods can also be used to determine the terminal equipment access The virtual base station of the present invention is not limited thereto.

Specifically, the macro base station 110 is used to set the threshold of the location parameter and the service parameter of the terminal equipment, obtain the location parameter and the service parameter of the terminal equipment, when the macro base station 110 detects that the service data volume of the terminal equipment is greater than the set threshold , the macro base station 110 is used to determine the first virtual base station from the virtual base station closest to the terminal device among at least one virtual base station 120. Specifically, when the amount of service data of the terminal device is greater than a threshold, it can select the closest virtual base station to the terminal device One of the virtual base stations may be used as the first virtual base station, or a virtual base station that is relatively idle and close to the terminal device may be used as the first virtual base station, to which the embodiment of the present invention is not limited.

It should be understood that the macro base station 110 may also detect other information of the terminal device, such as the priority of the terminal device to access the base station, etc. The purpose of the macro base station 110's detection of the terminal device is to determine the virtual base station that the terminal device accesses, as long as it can The determination of the virtual base station accessed by the terminal device may also not detect the parameters of the terminal device, and this embodiment of the present invention is not limited thereto.

As an optional embodiment, the macro base station 110 is also used to: determine the second virtual base station from at least one virtual base station 120 when the distance between the terminal device and the first virtual base station is greater than a second threshold; The third antenna of the third antenna sends a switching message, where the switching message is used to instruct the terminal device to switch from the first virtual base station to the second virtual base station.

Specifically, when the macro base station 110 detects that the service data volume of the terminal device is greater than the threshold, and the distance between the terminal device and the first virtual base station is very short, that is, the terminal device is within the coverage of the first virtual base station, the macro base station Both user plane data and control plane data need to be transmitted between the station 110 and the terminal equipment. The large amount of business data and transmission resources cannot meet the needs of the terminal equipment. At this time, the first virtual base station is started to bear part of the user plane data for the macro base station 110 In this way, the user plane data of the terminal equipment can be offloaded, the number of service terminal equipment can be increased, and more transmission resources can be provided for the terminal equipment. When the macro base station 110 detects that the terminal device has a large amount of service data, due to the movement of the terminal device, when the distance between the terminal device and the first virtual base station exceeds the coverage of the first virtual base station, the first virtual base station cannot provide services for the terminal device. To continue to undertake the transmission of user plane data, the macro base station 110 determines the second virtual base station for the terminal device among the deployed virtual base stations according to the path information of the terminal device, that is, the terminal device enters the coverage of the second virtual base station, and the macro base station 110 sends The terminal device sends a handover message to instruct the terminal device to switch from the first virtual base station to the second virtual base station, and start the second virtual base station to undertake a part of user plane data transmission for the macro base station 110 . When the macro base station 110 detects that the amount of service data of the terminal equipment is less than the threshold, that is, the amount of service data of the terminal equipment is very small, and the transmission resources from the macro base station 110 to the terminal equipment also meet the requirements of the service, the first virtual base station stops being a macro base station. The station 110 is responsible for the transmission of user plane data, and the user plane data is directly transmitted between the macro base station 110 and the terminal equipment. In this way, the virtual base station can be flexibly selected as the macro base station 110 according to the service changes and the movement trajectory of the terminal equipment. Undertake the transmission of part of the user plane data, and flexibly offload the transmission of the user plane data of the terminal equipment.

As an optional embodiment, after the first virtual base station is determined from at least one virtual base station 120 according to the location parameters and service parameters of the terminal device; the first virtual base station is used to: receive the terminal device through the fifth antenna The second random access request message sent; sending the second random access request message to the first antenna of the macro base station 110 through the second antenna;

The macro base station 110 is configured to: receive the second random access request message through the first antenna, and may send a carrier aggregation configuration message to the third antenna of the terminal device through the wide beam antenna according to the second random access request message, and the carrier aggregation configuration message uses Instructing the terminal device to simultaneously transmit the user plane data of the terminal device through the first path and the second path, wherein the first path passes through the fourth antenna and the fifth antenna of the first virtual base station, and the second path passes through the third antenna and the macro base station The wide-beam antenna at 110 may also directly send the carrier aggregation configuration message to the terminal device through the wide-beam antenna without according to the first access request message, and this embodiment of the present invention is not limited thereto.

Specifically, after determining the first virtual base station accessed by the terminal device, the macro base station 110 sends indication information to the third antenna of the terminal device through a wide beam antenna, instructing the terminal device to access the first virtual base station, and the terminal device Send the second random access request message to the fifth antenna of the first virtual base station through the fourth antenna, the first virtual base station sends the second random access request message to the first antenna of the macro base station 110 through the second antenna, and the macro base station 110, according to the second random access request message sent by the first virtual base station, send a carrier aggregation configuration message to the third antenna of the terminal device through the wide beam antenna, where the carrier aggregation configuration message is used to instruct the terminal device to pass the first path and the second path To transmit the user plane data of the terminal equipment, the first path passes through the fourth antenna and the fifth antenna of the first virtual base station, and the second path passes through the third antenna and the wide beam antenna of the macro base station 110, that is, the user plane data of the terminal equipment passes through the fourth antenna The antenna transmits or receives simultaneously with the fifth antenna and the third antenna of the first virtual base station and the wide-beam antenna of the macro base station 110, and the wide-beam antenna of the macro base station 110 is permanently connected online with the third antenna of the terminal device. When the conditions of the first virtual base station are entered, the fifth antenna of the first virtual base station and the fourth antenna of the terminal equipment and the wide beam antenna of the macro base station 110 and the third antenna of the terminal equipment are aggregated to receive or transmit the terminal equipment at the same time user plane data.

As an optional embodiment, each virtual base station in the at least one virtual base station 120 is also used for: each virtual base station in the at least one virtual base station 120 transmits the information of the terminal equipment through the second antenna and the first antenna of the macro base station 110 Before user plane data, send a first random access request message to the first antenna of the macro base station 110 through the second antenna, and establish a radio resource control connection with the macro base station 110, etc., the embodiment of the present invention is not limited thereto; the macro base station 110 Also used for: receiving a first random access request message through the first antenna; sending configuration parameters to each virtual base station in at least one virtual base station 120 according to the first random access request message, the configuration parameters may include: the fifth antenna and The working frequency band parameters of the second antenna, the initialization synchronization parameters of the second antenna and the fifth antenna, etc., the initialization parameters may include physical frame synchronization information, and the physical frame synchronization information enables the second antenna to receive the user plane data of the terminal device. The five antennas can transmit to the fourth antenna of the terminal device without delay, or when the fifth antenna receives the user plane data of the terminal device, the second antenna can transmit to the first antenna of the macro base station 110 without delay. The station 110 is also used to adjust the beamforming parameters of the large-scale multiple-input multiple-output antenna, the embodiment of the present invention is not limited thereto; each virtual base station in the at least one virtual base station 120 is also used to: receive configuration parameters through the second antenna, And configure the second antenna and the fifth antenna according to configuration parameters, and wait for the terminal device to access at least one virtual base station 120 .

It should be understood that the first random access request message mentioned in all embodiments of the present invention may be that the virtual base station sends a random access request message to the macro base station, and the macro base station feeds back a response to the virtual base station. message, the virtual base station can further send information to the macro base station according to the response message, and the embodiment of the present invention is not limited thereto; similarly, the second random access request message mentioned in all embodiments of the present invention can be sent by the terminal device to The virtual base station sends a random access request message, the virtual base station sends a second random access request message to the macro base station, and the macro base station feeds back a response message to the random access request message to the virtual base station, and the virtual base station can further use the response message Feedback to the terminal device, the terminal device can continue to send information to the virtual base station according to the response message, the embodiment of the present invention is not limited thereto.

Optionally, at least one virtual base station 120 is used to transmit the acknowledgment/ The non-confirmation message and the channel quality indication message between the fourth antenna and the fifth antenna are not limited in this embodiment of the present invention.

Therefore, according to the wireless communication system of the embodiment of the present invention, the macro base station detects the parameters of the terminal equipment. The virtual base station sends the working frequency band information and initialization information of the virtual base station. The terminal device and the virtual base station complete the access of the terminal device to the virtual base station according to the information sent by the macro base station, and start to transmit the user plane data of the terminal device. Multiple input and output antennas can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services. The separation of control plane data and user plane data is adopted. Terminal equipment The user plane data is transmitted to the virtual base station. The channel estimation of the user plane data of the terminal equipment is not affected by the mobility of the terminal equipment, which can reduce the complexity of channel quality estimation and reduce resource consumption. One macro base station corresponds to multiple virtual base stations. A base station, a virtual base station can serve multiple terminal devices, increase the number of service terminal devices, improve spectrum utilization, and realize data transmission through antennas, which can increase data transmission speed and save data transmission costs.

Fig. 2 is a schematic diagram of another wireless communication system 100 provided by an embodiment of the present invention. The system 100 may further include: a terminal device 140, the terminal device 140 includes a third antenna and a fourth antenna, and the terminal device 140 is used to: The antenna transmits the user plane data of the terminal equipment with the fifth antenna of the first virtual base station; the control plane data of the terminal equipment 140 is transmitted through the third antenna and the wide beam antenna of the macro base station 110 .

Specifically, in the process of uplink data transmission, the first virtual base station receives the user plane data of the terminal device sent by the fourth antenna of the terminal device 140 through the fifth antenna, and the first virtual base station receives the user plane data sent by the fourth antenna through the second antenna. The user plane data of the terminal equipment is sent to the first antenna of the macro base station 110; in the process of downlink data transmission, the first virtual base station can also send the user plane data received by the second antenna to the terminal equipment 140 through the fifth antenna The fourth antenna transmits, and the fourth antenna of the terminal device 140 receives the user plane data of the terminal device.

Therefore, according to the wireless communication system of the embodiment of the present invention, the user plane data of the terminal device is transmitted to the macro base station through the virtual base station, and the channel estimation for transmitting the user plane data of the terminal device is not affected by the mobility of the terminal device, thereby reducing the channel The complexity of quality estimation reduces the consumption of resources. One macro base station corresponds to multiple virtual base stations, and one virtual base station can serve multiple terminal devices and provide services for more terminal devices. Using antennas to realize user plane data transmission, The cost of data transmission can be saved.

As an optional embodiment, the fifth antenna and the fourth antenna may use a high frequency band for communication.

Optionally, the third antenna and the wide beam antenna may use a low frequency band for communication, for example, a low frequency band may be used to transmit the control plane data of the terminal device 140, or a medium and low frequency band may be used to transmit the control plane data of the terminal device 140. Embodiments of the invention are not limited thereto.

As an optional embodiment, the terminal device 140 is also configured to: receive indication information through the third antenna, the indication information is used to instruct the terminal device 140 to access the first virtual base station, and the indication information may also include sending the terminal device 140 to the first virtual base station The access preamble, etc.; according to the instruction information, access the first virtual base station. The terminal device 140 may also receive other information sent by the macro base station 110 through the wide-beam antenna through the third antenna, and this embodiment of the present invention is not limited thereto.

As an optional embodiment, the terminal device 140 may periodically report the location parameters and service parameters of the terminal device, so that the macro base station 110 determines the first virtual base station to be accessed for the terminal device according to the location parameters and service parameters.

As an optional embodiment, the terminal device 140 is also configured to: receive a switching message sent by the terminal device through the third antenna, the switching message is used to instruct the terminal device 140 to switch from the first virtual base station to the second virtual base station, and according to the switching message Switching from the first virtual base station to the second virtual base station.

As an optional embodiment, after determining the first virtual base station from at least one virtual base station 120 according to the location parameters and service parameters of the terminal device 140, the terminal device 140 is further configured to: The five antennas send the second random access request message; the terminal device 140 is also used to: receive a carrier aggregation configuration message through the third antenna, and the carrier aggregation configuration message is used to instruct the terminal device 140 to simultaneously transmit the terminal device through the first path and the second path 140 user plane data, wherein the first path passes through the fourth antenna and the fifth antenna of the first virtual base station, the second path passes through the third antenna and the wide beam antenna of the macro base station 110, and the terminal device transmits the user data according to the carrier aggregation configuration message surface data.

Specifically, after the macro base station 110 determines the first virtual base station that the terminal device 140 accesses, the terminal device 140 receives the indication information sent by the wide beam antenna of the macro base station through the third antenna, and the indication information is used to instruct the terminal device 140 to access the virtual base station. The first virtual base station, the terminal device 140 sends the second random access request message to the fifth antenna of the first virtual base station through the fourth antenna according to the indication information, and the first virtual base station sends the second random access request message to the fifth antenna of the first virtual base station through the second antenna The first antenna of the macro base station 110 sends, and the macro base station 110 sends a carrier aggregation configuration message to the third antenna of the terminal device 140 through a wide beam antenna according to the second random access request message sent by the first virtual base station, and the carrier aggregation configuration message uses To instruct the terminal device 140 to transmit the user plane data of the terminal device 140 through the first path and the second path, the first path passes through the fourth antenna and the fifth antenna of the first virtual base station, and the second path passes through the third antenna and the macro base station 110 wide beam antenna, that is, the user plane data of the terminal device 140 is sent or received simultaneously through the fourth antenna, the fifth antenna and the third antenna of the first virtual base station, and the wide beam antenna of the macro base station 110, and the wide beam antenna of the macro base station 110 is connected to the The third antenna of the terminal device 140 is permanently connected online. When the terminal device 140 meets the conditions for accessing the first virtual base station, the fifth antenna of the first virtual base station and the fourth antenna of the terminal device 140 and the wide beam antenna of the macro base station 110 Two carriers are aggregated with the third antenna of the terminal device 140 to receive or send user plane data of the terminal device 140 at the same time.

It should be understood that the first random access request message mentioned in all embodiments of the present invention may be that the virtual base station sends a random access request message to the macro base station, and the macro base station feeds back a response to the virtual base station. message, the virtual base station can further send information to the macro base station according to the response message, and the embodiment of the present invention is not limited thereto; similarly, the second random access request message mentioned in all embodiments of the present invention can be sent to the macro base station by the terminal device The virtual base station sends a random access request message, the virtual base station sends a second random access request message to the macro base station, and the macro base station feeds back a response message to the random access request message to the virtual base station, and the virtual base station can further use the response message Feedback to the terminal device, the terminal device can continue to send information to the virtual base station according to the response message, the embodiment of the present invention is not limited thereto.

Therefore, according to the wireless communication system of the embodiment of the present invention, the macro base station detects the parameters of the terminal equipment. The virtual base station sends the working frequency band information and initialization information of the virtual base station. The terminal device and the virtual base station complete the access of the terminal device to the virtual base station according to the information sent by the macro base station, and start to transmit the user plane data of the terminal device. Multiple input and output antennas can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services. The separation of control plane data and user plane data is adopted. Terminal equipment The user plane data is transmitted to the virtual base station. The channel estimation of the user plane data of the terminal equipment is not affected by the mobility of the terminal equipment, which can reduce the complexity of channel quality estimation and reduce resource consumption. One macro base station corresponds to multiple virtual base stations. A base station, a virtual base station can serve multiple terminal devices, increase the number of service terminal devices, improve spectrum utilization, and realize data transmission through antennas, which can increase data transmission speed and save data transmission costs.

The wireless communication system of the embodiment of the present invention is described above with reference to FIG. 1 to FIG. 2 , and the wireless communication method of the embodiment of the present invention will be described below with reference to FIG. 3 to FIG. 5 .

FIG. 3 is a schematic diagram of another wireless communication method 200 provided by an embodiment of the present invention. The method 200 includes:

S210, the macro base station and the core network equipment transmit user plane data of the terminal equipment;

S220, the macro base station transmits user plane data of the terminal device through the first antenna and the second antenna of the virtual base station;

S230, the virtual base station transmits user plane data through the fifth antenna and the fourth antenna of the terminal device;

S240. The macro base station transmits the control plane data of the terminal device through the wide beam antenna and the third antenna of the terminal device.

Specifically, the macro base station can transmit the user plane data of the terminal device with the core network equipment in a wired or wireless manner. The macro base station transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station. The fifth antenna and the fourth antenna of the terminal equipment transmit the user plane data. The virtual base station can be understood as a relay of user plane data, and the macro base station transmits the control plane data of the terminal equipment through the wide beam antenna and the third antenna of the terminal equipment.

It should be understood that the transmission here may be the completion of the downlink user plane data transmission from the core network device to the terminal device, or the completion of the uplink user plane data transmission from the terminal device to the core network device, or the first transmission of the uplink user plane data. Then transmit the downlink user plane data, or transmit the downlink user plane data first, and then transmit the uplink user plane data, which is not limited in this embodiment of the present invention.

As an optional embodiment, the first antenna may be a large-scale MIMO antenna. The large-scale MIMO antenna can make full use of space resources, and the user plane data of the terminal device can be transmitted with the virtual base station through multiple antennas. and reception, without increasing spectrum resources and antenna transmission power, the channel capacity of the system can be improved. It should be understood that the first antenna can also be other antennas, which can transmit user plane data of terminal equipment with at least one virtual base station The antenna, the embodiment of the present invention is not limited thereto.

As an optional embodiment, the first antenna and the second antenna may communicate in a low frequency band, and the fifth antenna and the fourth antenna may communicate in a high frequency band.

Specifically, the first antenna of the macro base station and the second antenna of the virtual base station use a lower frequency band to transmit the user plane data of the terminal equipment. The macro cell has a wide coverage and can provide good connectivity for the virtual base station; the virtual base station The fifth antenna and the fourth antenna of the terminal device use a high frequency band to transmit user plane data of the terminal device, which can realize high-speed transmission of user plane data of the terminal device. The first antenna of the macro base station and the second antenna of the virtual base station may use a lower frequency band to transmit control signaling.

Therefore, according to the wireless communication method of the embodiment of the present invention, the user plane data of the terminal device is transmitted to the antenna of the virtual base station through the antenna of the macro base station, and finally transmitted through the macro base station and the core network device, and the user plane data of the terminal device is transmitted to the virtual base station. The base station, the channel estimation for transmitting the user plane data of the terminal device is not affected by the mobility of the terminal device, which can reduce the complexity of channel quality estimation and reduce resource consumption. A macro base station can correspond to multiple virtual base stations, and a virtual base station It can also serve multiple terminal devices, increase the number of service terminal devices, and realize data transmission through wireless electromagnetic waves, which can save the cost of data transmission.

FIG. 4 is another schematic diagram of a wireless communication method 300 provided by an embodiment of the present invention. The method 300 includes:

S310, the core network device sends the user plane data of the terminal device to the macro base station;

It should be understood that the core network device may send the user plane data of the terminal device to the macro base station in a wired or wireless manner, and this embodiment of the present invention is not limited thereto. It should also be understood that the core network device may also send the control plane data of the terminal device to the macro base station in a wired or wireless manner, and the user plane data and control plane data of the terminal device may be sent by the core network device to the macro base station respectively, or may be Sending to the macro base station at the same time, this embodiment of the present invention is not limited thereto.

S320. After the macro base station receives the user plane data of the terminal device sent by the core network device, the macro base station sends the received user plane data of the terminal device to the second antenna of the virtual base station through the first antenna;

It should be understood that the macro base station may receive the user plane data of the terminal device sent by the core network device in a wired or wireless manner, and this embodiment of the present invention is not limited thereto. It should also be understood that the macro base station may also receive the control plane data of the terminal device sent by the core network device in a wired or wireless manner, and the user plane data and control plane data of the terminal device may be respectively received by the macro base station from the core network device, or It may be sent by the core network device at the same time, and this embodiment of the present invention is not limited thereto.

As an optional embodiment, the macro base station sends the control signaling to the second antenna of the virtual base station through the first antenna.

As an optional embodiment, the first antenna of the macro base station can be a Massive MIMO antenna. The Massive MIMO antenna has multiple narrow beams, one narrow beam corresponds to a virtual base station, and any two virtual base stations correspond to different narrow beams among the multiple narrow beams. Beams, for example, the large-scale MIMO antenna has N narrow beams, the system includes M virtual base stations, N≥M>1, then M narrow beams in the N narrow beams can be connected with the M virtual One-to-one correspondence between base stations, M narrow beams use the same frequency band, and can transmit user plane data of different terminal devices to M different virtual base stations at the same time and at the same frequency, which can improve spectrum utilization and data transmission efficiency. The macro base station can send user plane data of the terminal device to the second antenna of the virtual base station through the Massive MIMO antenna. It should be understood that the macro base station can also send control signaling to the second antenna of the virtual base station through the Massive MIMO antenna. The control signaling uses The virtual base station is controlled by the macro base station.

S330. After the virtual base station receives the user plane data of the terminal device sent by the macro base station through the first antenna through the second antenna, the virtual base station sends the received user plane data of the terminal device to the fourth antenna of the terminal device through the fifth antenna.

As an optional embodiment, the virtual base station may receive the control signaling sent by the macro base station through the first antenna through the second antenna, and the control signaling may be used by the macro base station to control the virtual base station.

As an optional embodiment, the first antenna and the second antenna may communicate in a low frequency band, and the fifth antenna and the fourth antenna may communicate in a high frequency band.

As an optional embodiment, the virtual base station sends the first high-frequency user plane data to the fourth antenna of the terminal device through the fifth antenna.

Therefore, the virtual base station sends the first high-frequency user data to the fourth antenna of the terminal device through the fifth antenna, and the virtual base station can convert the user plane data of the terminal device from low frequency to high frequency without changing the user plane data of the terminal device. The frame format of the first low-frequency user plane data is the same as that of the first high-frequency user plane data, which can realize data transparent transmission, reduce bandwidth consumption, provide data rate, and increase the number of service terminal devices.

As an optional embodiment, the macro base station sends the control plane data of the terminal device to the third antenna of the terminal device through the wide beam antenna.

As an optional embodiment, before the macro base station sends the user plane data of the terminal device to the second antenna of the virtual base station through the first antenna, the method further includes: the macro base station acquires the location parameter and service parameter of the terminal device; Determine the virtual base station from at least one virtual base station; send indication information to the third antenna of the terminal equipment through the wide beam antenna, and the indication information is used to instruct the terminal equipment to access the virtual base station.

As an optional embodiment, before the macro base station sends the user plane data of the terminal device to the second antenna of the virtual base station through the first antenna, the terminal device sends the second random data to the fifth antenna of the virtual base station through the fourth antenna according to the indication information. The access request message; the virtual base station receives the second random access request message sent by the terminal device through the fourth antenna through the fifth antenna; the virtual base station sends the second random access request message to the first antenna of the macro base station through the second antenna; The macro base station receives the second random access request message sent by the virtual base station; sends a carrier aggregation configuration message to the third antenna of the terminal device according to the second random access request message, and the carrier aggregation configuration message is used to instruct the terminal device to pass the first path and The second path transmits the user plane data of the terminal device, wherein the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path passes through the third antenna and the wide beam antenna of the macro base station, and the carrier aggregation configuration message may not The second random access request message is directly sent to the third antenna of the terminal device, and this embodiment of the present invention is not limited thereto.

As an optional embodiment, before the macro base station sends the user plane data of the terminal device to the second antenna of the virtual base station through the first antenna, the virtual base station can also send the first random access data to the first antenna of the macro base station through the second antenna. input request message, and establish a radio resource control connection with the macro base station; the macro base station can also receive the first random access request message through the first antenna; send configuration parameters to the virtual base station according to the first random access request message, the configuration parameters include : The working frequency band parameters of the fifth antenna and the second antenna, and the initialization synchronization parameters of the second antenna and the fifth antenna, etc., the initialization parameters may include physical frame synchronization information, and the second antenna can receive the user of the terminal device through the physical frame synchronization information. When the user plane data is received by the fifth antenna, the fifth antenna can transmit to the fourth antenna of the terminal device without delay, or when the fifth antenna receives the user plane data of the terminal device, the second antenna can transmit the user plane data to the first antenna of the macro base station without delay. Antenna transmission, the macro base station is also used to adjust the beamforming parameters of the large-scale MIMO antenna, the embodiment of the present invention is not limited thereto; the virtual base station can also receive the configuration parameters through the second antenna, and wait for the terminal device to access the virtual base station .

Specifically, in the actual application process, the virtual base station has been deployed, and the macro base station can detect changes in the service parameters or location parameters of the terminal equipment. When the service parameters and location parameters are detected to meet the conditions for accessing the virtual base station, in order to To better serve the terminal equipment, the macro base station determines the virtual base station to be accessed for the terminal equipment in the already deployed virtual base station, and sends an access request instruction for accessing the virtual base station to the third antenna of the terminal equipment through the wide beam antenna Information, send the second antenna of the virtual base station and the fifth antenna working frequency band parameters and initialization parameters to the virtual base station, after the second antenna of the virtual base station receives the parameters sent by the macro base station through the first antenna, configure the working frequency band of the antenna according to the parameters , and wait for the access of the terminal device. When receiving the indication information sent by the macro base station, the terminal device initiates an access request to the virtual base station according to the indication information. The macro base station can receive the relevant data of the terminal equipment sent from the core network equipment, and the relevant data of the terminal equipment can be separated into control plane data and user plane data. Three-antenna transmission, the user plane data is sent to the second antenna of the virtual base station in the low frequency band through the first antenna of the low frequency band of the macro base station, and then sent to the fourth antenna of the high frequency band of the terminal equipment through the fifth antenna of the high frequency band of the virtual base station For transmission, the virtual base station plays the role of frequency conversion and relay. User plane data can also be partially transmitted by virtual base station relay, and the other part is directly transmitted by macro base station and terminal equipment, which flexibly transmits user plane data. It should be understood that, User plane data may also be transmitted only through the virtual base station, and this embodiment of the present invention is not limited thereto.

More specifically, when the macro base station detects that the service data volume of the terminal device is greater than the threshold, and the distance between the terminal device and the current virtual base station is very short, that is, the terminal device is within the coverage of the current virtual base station, the macro base station needs to Sending user plane data to the terminal equipment also needs to send control plane data. The large amount of business data and transmission resources cannot meet the needs of the terminal equipment. At this time, the current virtual base station is activated to undertake the transmission of part of the user plane data for the macro base station, which can offload the terminal equipment. User plane data can increase the number of service terminal devices and provide more transmission resources for terminal devices. When the macro base station detects that the terminal device has a large amount of service data, due to the movement of the terminal device, when the distance between the terminal device and the virtual base station exceeds the coverage of the current virtual base station, the current virtual base station cannot continue to send user plane data to the terminal device. , the macro base station determines the second virtual base station for the terminal device in the deployed virtual base stations according to the path information of the terminal device, that is, the terminal device enters the coverage of the second virtual base station, and the macro base station sends a handover message to the terminal device to instruct the terminal The device switches from the current virtual base station to the second virtual base station, and starts the second virtual base station to undertake the sending of a part of user plane data for the macro base station. When the macro base station detects that the service data volume of the terminal device is less than the threshold, that is, the service data volume of the terminal device is very small, and the transmission resources from the macro base station to the terminal device also meet the needs of the service, the current virtual base station stops undertaking users for the macro base station The transmission of user plane data, the user plane data is directly sent to the terminal equipment through the macro base station. In this way, the virtual base station can be flexibly selected according to the service change of the terminal equipment and the trajectory of the movement. Surface data can be sent flexibly.

Therefore, according to the wireless communication method of the embodiment of the present invention, the macro base station detects the parameters of the terminal equipment, and when the parameters of the terminal equipment meet the conditions for accessing the virtual base station, the macro base station sends configuration information for accessing the virtual base station to the terminal equipment, and the macro base station Send the working frequency band information of the virtual base station to the virtual base station, and the terminal device and the virtual base station complete the access of the terminal device to the virtual base station according to the information sent by the macro base station, and start sending user plane data to the terminal device. The large-scale multiple-input multiple-output antenna of the macro base station can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services, using control plane data and user plane data In the separated way, the virtual base station and the terminal equipment use the high frequency band to send the user plane data of the terminal equipment, improve the utilization rate of the spectrum, and use the wireless electromagnetic wave technology to transmit data, which can improve the data transmission speed, increase the number of users, and save data The cost of transmission.

FIG. 5 is a schematic diagram of another wireless communication method 400 provided by an embodiment of the present invention. The method 400 includes:

S410, the terminal device sends the user plane data of the terminal device to the fifth antenna of the virtual base station through the fourth antenna.

As an optional embodiment, the fifth antenna and the fourth antenna may use a high frequency band for communication;

As an optional embodiment, the terminal device sends the second high-frequency user plane data to the fifth antenna of the virtual base station through the fourth antenna.

As an optional embodiment, before the terminal device sends the user plane data of the terminal device to the fifth antenna of the virtual base station through the fourth antenna, the terminal device receives the carrier aggregation configuration sent by the macro base station through the wide beam antenna through the third antenna message, the carrier aggregation configuration message is used to instruct the terminal device to transmit the user plane data of the terminal device through the first path and the second path, wherein the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path passes through the third The antenna and the wide beam antenna of the macro base station, the carrier aggregation configuration message may also be sent directly to the third antenna of the terminal device without the second random access request message, and the embodiment of the present invention is not limited thereto. The user plane data of the terminal device is sent simultaneously through the first path and the second path.

As an optional embodiment, the terminal device sends the control plane data response information of the terminal device to the wide beam antenna of the macro base station through the third antenna.

As an optional embodiment, before the macro base station sends the user plane data of the terminal device to the second antenna of the virtual base station through the first antenna, the terminal device sends the second random data to the fifth antenna of the virtual base station through the fourth antenna according to the indication information. The access request message; the virtual base station receives the second random access request message sent by the terminal device through the fourth antenna through the fifth antenna; the virtual base station sends the second random access request message to the first antenna of the macro base station through the second antenna; The macro base station receives the second random access request message sent by the virtual base station; sends a carrier aggregation configuration message to the third antenna of the terminal device according to the second random access request message, and the carrier aggregation configuration message is used to instruct the terminal device to pass the first path and The second path transmits the user plane data of the terminal device, wherein the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path passes through the third antenna and the wide beam antenna of the macro base station, and the carrier aggregation configuration message may not The second random access request message is directly sent to the third antenna of the terminal device, the embodiment of the present invention is not limited thereto, and the user plane data of the terminal device is simultaneously received through the first path and the second path.

As an optional embodiment, before the terminal device sends the user plane data of the terminal device to the fifth antenna of the virtual base station through the fourth antenna, the terminal device receives the indication information sent by the macro base station through the wide beam antenna through the third antenna, indicating The information is used to instruct the terminal device to access the virtual base station. The terminal device accesses the virtual base station through the fifth antenna according to the instruction information. The instruction information may also include the preamble for accessing the virtual base station. When the terminal device accesses the virtual base station, it can send The virtual base station sends the second random access request, and the virtual base station sends the second random access request to the macro base station. After receiving the second random access request, the macro base station sends a third random access request to the terminal device according to the second random access request message. The antenna sends a carrier aggregation configuration message, and the carrier aggregation configuration message is used to instruct the terminal device to transmit the user plane data of the terminal device through the first path and the second path, where the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path The two paths pass through the third antenna and the wide-beam antenna of the macro base station. The carrier aggregation configuration message may also be sent directly to the third antenna of the terminal device without the second random access request message. This embodiment of the present invention is not limited thereto. The terminal device The user plane data is sent simultaneously through the first path and the second path, which is not limited in this embodiment of the present invention.

S420. After the virtual base station receives the user plane data of the terminal device sent by the fourth antenna of the terminal device through the fifth antenna, the virtual base station sends the received user plane data of the terminal device to the first antenna of the macro base station through the second antenna.

As an optional embodiment, the fifth antenna and the fourth antenna may use a high frequency band for communication.

As an optional embodiment, the virtual base station receives the second high-frequency user plane data sent by the fourth antenna of the terminal device through the fifth antenna, and the virtual base station converts the second high-frequency user plane data into the second low-frequency user plane data.

Specifically, the virtual base station transmits the second high-frequency user data to the fourth antenna of the terminal device through the fifth antenna, and the virtual base station can convert the user plane data of the terminal device from high frequency to low frequency, and does not The frame format of the second low-frequency user plane data is the same as that of the second high-frequency user plane data, which can realize data transparent transmission, reduce bandwidth consumption, and increase the number of service terminal devices.

As an optional embodiment, before the virtual base station receives the user plane data of the terminal device sent by the fourth antenna of the terminal device through the fifth antenna, the virtual base station can also send the first random data to the first antenna of the macro base station through the second antenna. access request message, and establish a radio resource control connection with the macro base station; the macro base station can also receive the first random access request message through the first antenna; send configuration parameters to the virtual base station according to the first random access request message, and configure the parameters Including: the working frequency band parameters of the fifth antenna and the second antenna, and the initialization synchronization parameters of the second antenna and the fifth antenna, etc., the macro base station is also used to adjust the beamforming parameters of the large-scale MIMO antenna. Limited to this; the virtual base station can also receive configuration parameters through the second antenna, configure the second antenna and the fifth antenna according to the configuration parameters, and wait for the terminal device to access the virtual base station.

As an optional embodiment, the virtual base station may send the control signaling to the first antenna of the macro base station through the second antenna, and the control signaling may be the control signaling response information sent by the macro base station to control the virtual base station. The embodiment of the present invention Not limited to this.

As an optional embodiment, the first antenna and the second antenna may use a low frequency band for communication.

As an optional embodiment, the virtual base station sends the second low-frequency user plane data to the first antenna of the macro base station through the second antenna.

S430. After the macro base station receives the user plane data of the terminal device sent by the virtual base station through the second antenna through the first antenna, the macro base station sends the received user plane data of the terminal device to the core network device.

As an optional embodiment, the first antenna of the macro base station can be a Massive MIMO antenna. The Massive MIMO antenna has multiple narrow beams, one narrow beam corresponds to a virtual base station, and any two virtual base stations correspond to different narrow beams among the multiple narrow beams. Beam, the macro base station can receive the user plane data of the terminal device sent by the virtual base station through the second antenna through the Massive MIMO antenna. It should be understood that the macro base station can receive the control signaling information sent by the second antenna of the virtual base station through the Massive MIMO antenna.

It should be understood that the macro base station may send the user plane data of the terminal device to the core network device in a wired or wireless manner, and this embodiment of the present invention is not limited thereto. It should also be understood that the macro base station may also send the control plane data of the terminal device to the core network device in a wired or wireless manner, and the user plane data and control plane data of the terminal device may be sent by the macro base station to the core network device respectively, or may be At the same time, it is sent to the core network device, and this embodiment of the present invention is not limited thereto.

It should also be understood that the core network device may receive the user plane data of the terminal device sent by the macro base station in a wired or wireless manner, and this embodiment of the present invention is not limited thereto. It should also be understood that the core network device may also receive the control plane data of the terminal device sent by the macro base station in a wired or wireless manner, and the user plane data and control plane data of the terminal device may be received by the core network device separately or simultaneously. , the embodiment of the present invention is not limited thereto.

Specifically, in the actual application process, the virtual base station has been deployed, and the macro base station can detect changes in the service parameters or location parameters of the terminal equipment. When the service parameters and location parameters are detected to meet the conditions for accessing the virtual base station, in order to To better serve the terminal equipment, the macro base station determines the virtual base station to be accessed for the terminal equipment in the already deployed virtual base station, and sends an access request instruction for accessing the virtual base station to the third antenna of the terminal equipment through the wide beam antenna Information, send the second antenna of the virtual base station and the fifth antenna working frequency band parameters and initialization parameters to the virtual base station, after the second antenna of the virtual base station receives the parameters sent by the macro base station through the first antenna, configure the working frequency band of the antenna according to the parameters , and wait for the access of the terminal device. When receiving the indication information sent by the macro base station, the terminal device initiates an access request to the virtual base station according to the indication information. The macro base station can receive the relevant data of the terminal equipment sent from the core network equipment, and the relevant data of the terminal equipment can be separated into control plane data and user plane data, wherein the control plane data transmits to the wide beam of the macro base station through the third antenna of the terminal equipment The antenna is directly sent, and the user plane data is sent to the fifth antenna of the virtual base station through the fourth antenna of the high frequency band of the terminal device, and then the virtual base station is sent to the first antenna of the low frequency band of the macro base station through the second antenna of the low frequency band , the virtual base station plays the role of frequency conversion and relay, and part of the user plane data can also be transmitted in the form of virtual base station relay, and the other part is directly transmitted between the macro base station and the terminal equipment, and the user plane data is flexibly transmitted. It should be understood that the user Plane data may also be transmitted only through the virtual base station, and this embodiment of the present invention is not limited thereto.

More specifically, when the macro base station detects that the service data volume of the terminal device is greater than the threshold, and the distance between the terminal device and the current virtual base station is very short, that is, the terminal device is within the coverage of the current virtual base station, then the terminal device needs to Sending user plane data to the macro base station also needs to send control plane data. The large amount of business data and transmission resources cannot meet the needs of terminal equipment. At this time, the current virtual base station is activated to undertake the reception of part of the user plane data for the macro base station, which can offload terminal equipment. User plane data can increase the number of service terminal devices and provide more transmission resources for terminal devices. When the macro base station detects that the terminal device has a large amount of business data, due to the movement of the terminal device, when the distance between the terminal device and the current virtual base station exceeds the coverage of the current virtual base station, the current virtual base station cannot continue to receive the user data sent by the terminal device. According to the path information of the terminal equipment, the macro base station determines the second virtual base station for the terminal equipment among the already deployed virtual base stations, that is, the terminal equipment enters the coverage of the second virtual base station, and the macro base station sends a handover message to the terminal equipment. The terminal device is instructed to switch from the current virtual base station to the second virtual base station, and the second virtual base station is started to undertake part of user plane data reception for the macro base station. When the macro base station detects that the service data volume of the terminal device is less than the threshold, that is, the service data volume of the terminal device is very small, and the transmission resources from the macro base station to the terminal device also meet the needs of the service, the current virtual base station stops undertaking users for the macro base station The transmission of user plane data, the user plane data is directly sent to the terminal equipment through the macro base station. In this way, the virtual base station can be flexibly selected according to the service change of the terminal equipment and the trajectory of the movement. Surface data can be sent flexibly.

Therefore, according to the wireless communication method of the embodiment of the present invention, the macro base station detects the parameters of the terminal equipment, and when the parameters of the terminal equipment meet the conditions for accessing the virtual base station, the macro base station sends configuration information for accessing the virtual base station to the terminal equipment, and the macro base station Send the working frequency band information of the virtual base station to the virtual base station, and the terminal device and the virtual base station complete the access of the terminal device to the virtual base station according to the information sent by the macro base station, and start sending the user plane data of the terminal device to the macro base station and the virtual base station. The large-scale multiple-input multiple-output antenna of the macro base station can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services, using control plane data and user plane data In the separated way, the terminal device sends the user plane data of the terminal device to the virtual base station in high frequency band, which improves the utilization rate of spectrum, and transmits data by using radio electromagnetic wave technology, which can improve the data transmission speed, increase the number of users, and save data transmission the cost of.

As a preferred embodiment, FIG. 6 shows a wireless communication method 500 according to an embodiment of the present invention. In this method 500, the terminal equipment has been connected to the macro base station, and the third antenna of the terminal equipment is connected online with the wide beam antenna of the macro base station. User plane data and control plane data of a terminal device may be transmitted, and the method 500 includes:

S501. The virtual base station sends a first random access request to the first antenna of the macro base station through the second antenna;

It should be understood that the second access request may be sent during the process of deploying the virtual base station by the macro base station, that is, the second access request may also be sent if no terminal device accesses the virtual base station.

S502. After receiving the second access request, the macro base station sends configuration parameters to the second antenna of the virtual base station through the first antenna;

Optionally, the configuration parameters may include: working frequency band parameters of the fifth antenna and the second antenna, and initialization synchronization parameters of the second antenna and the fifth antenna.

S503. The terminal device reports the service parameters and location parameters of the terminal device to the wide beam antenna of the macro base station through the third antenna periodically or triggered;

S504. After the macro base station receives the service parameters and location parameters of the terminal equipment, the macro base station detects the service parameters and location parameters of the terminal equipment. When the macro base station detects that the service parameters of the terminal equipment are large and are within the coverage of the virtual base station , the terminal device sends instruction information for accessing the virtual base station to the third antenna of the terminal device through the wide beam antenna;

S505. After receiving the indication information, the terminal device sends a second random access request message to the fifth antenna of the virtual base station through the fourth antenna;

S506. After receiving the second random access request message, the fifth antenna of the virtual base station sends the second random access request message to the first antenna of the macro base station;

S507. After receiving the second random access request message, the first antenna of the macro base station determines the carrier aggregation configuration message of the terminal device according to the second random access request message;

The carrier aggregation configuration message is used to instruct the terminal device to send the user plane data of the terminal device through the first path and the second path at the same time, wherein the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path passes through the third antenna Wide beam antenna with macro base station.

S508. After receiving the carrier aggregation configuration message through the third antenna, the terminal device sends the user plane data of the terminal device to the fifth antenna of the virtual base station according to the carrier aggregation configuration message;

S509. After the fifth antenna of the virtual base station receives the user plane data of the terminal device, it transmits to the first antenna of the macro base station through the second antenna;

It should be understood that the fifth antenna of the virtual base station receives the high-frequency user plane data of the terminal device, converts the high-frequency user plane data into low-frequency user plane data, and sends the low-frequency user plane data to the first antenna of the macro base station through the second antenna .

S510. After the first antenna of the macro base station receives the user plane data of the terminal device, send the user plane data to the core network device;

S511. When the macro base station detects that the terminal device does not meet the conditions for accessing the current virtual base station, the macro base station determines a second virtual base station in at least one virtual base station, and sends a switching message to the third antenna of the terminal device through a wide beam antenna;

S512. After receiving the switching message, the terminal device switches from the current virtual base station to the second virtual base station.

It should be understood that the method 500 is only a description of the uplink data transmission process, and the downlink data transmission process or the common transmission of uplink and downlink data is similar to the above-mentioned uplink data transmission process. To avoid redundant description, the present invention will not describe them in detail one by one.

It should be understood that the sequence numbers of the above processes do not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present invention.

The wireless communication method of the embodiment of the present invention has been described above with reference to FIG. 3 to FIG. 6, and the device of the embodiment of the present invention will be described below in conjunction with FIG. 7 and FIG. 10. It should be noted that these examples are only to help those skilled in the art understand and implement the embodiments of the present invention, but not limit the scope of the embodiments of the present invention. Those skilled in the art can perform equivalent transformation or modification according to the examples given here, and such transformation or modification should still fall within the scope of the embodiments of the present invention.

FIG. 7 is a schematic diagram of a wireless communication device 600 provided by an embodiment of the present invention. The device 600 may be a macro base station, and the device 600 includes:

610. The first communication module is configured to transmit user plane data of the terminal device through the first antenna and the second antenna of the virtual base station;

620, a second communication module, configured to transmit user plane data of the terminal device with the core network device;

630. A third communication module, configured to transmit control plane data of the terminal device through the wide beam antenna and the third antenna of the terminal device.

Specifically, the first communication module 610 transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, and the second communication module 620 transmits the user plane data of the terminal device with the core network device in a wired or wireless manner. , the virtual base station can be understood as playing the role of relaying user plane data, and the third communication module 630 transmits the control plane data of the terminal device through the wide beam antenna and the third antenna of the terminal device.

It should be understood that the first communication module 610, the second communication module 620, and the third communication module 630 in the embodiment of the present invention may be the same communication module, or two communication modules, or three communication modules, here The division into three communication modules is for ease of understanding, and this embodiment of the present invention does not impose any limitation.

As an optional embodiment, the first communication module 610 is specifically configured to: receive the user plane data of the terminal device sent by the virtual base station through the second antenna through the first antenna, and the second communication module 620 is specifically configured to: send the user plane data to the core network device The user plane data of the terminal device received through the first antenna; and/or, the second communication module 620 is further configured to: receive the user plane data of the terminal device sent by the core network device, and the first communication module 610 is specifically further configured to : Send the received user plane data of the terminal device to the second antenna of the virtual base station through the first antenna.

As an optional embodiment, the first antenna is a massive multiple-input multiple-output antenna.

As an optional embodiment, the first antenna uses a low frequency band to communicate with the second antenna.

As an optional embodiment, the first communication module 610 is configured to: send the control signaling to the second antenna of the virtual base station through the first antenna.

As an optional embodiment, the third communication module 630 is configured to: obtain the location parameters and service parameters of the terminal device before transmitting the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station; The position parameter and the service parameter determine the virtual base station from at least one virtual base station; and send indication information to the third antenna of the terminal equipment through the wide beam antenna, and the indication information is used to instruct the terminal equipment to access the virtual base station.

As an optional embodiment, the service parameter includes the amount of service data; the third communication module 630 is specifically configured to: when the amount of service data is greater than a threshold, determine the distance between the terminal device and each of the at least one virtual base station according to the location parameter ; Determining the virtual base station closest to the terminal device among at least one virtual base station as a virtual base station, it should be understood that the virtual base station to be accessed by the terminal device here can be determined by the third communication module 630, or can be determined by the first communication module 610 and The second communication module 620 determines that this embodiment of the present invention is not limited thereto.

As an optional embodiment, the third communication module 630 is further configured to: before transmitting the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, send the data to the third antenna of the terminal device through the wide beam antenna Carrier aggregation configuration message, the carrier aggregation configuration message is used to instruct the terminal device to transmit the user plane data of the terminal device through the first path and the second path, wherein the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path Pass through the third antenna with the device's wide beam antenna.

As an optional embodiment, the first communication module 610 is further configured to: before transmitting the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station, receive the first random connection sent by the virtual base station through the first antenna. input request message; send configuration parameters to the virtual base station according to the first random access request message, the configuration parameters include: the working frequency band parameters of the fifth antenna and the second antenna, and the initialization synchronization parameters of the second antenna and the fifth antenna.

Therefore, according to the wireless communication device of the embodiment of the present invention, by detecting the parameters of the terminal equipment, when the parameters of the terminal equipment meet the conditions for accessing the virtual base station, the configuration information of accessing the virtual base station is sent to the terminal equipment, and the configuration information of the virtual base station is sent to the virtual base station. The terminal equipment and the virtual base station complete the access of the terminal equipment to the virtual base station according to the information sent by the device, and start sending user plane data to the terminal equipment. Large-scale multiple-input multiple-output antennas can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services, and adopt the separation of control plane data and user plane data. , the virtual base station to the terminal equipment uses the high frequency band to send the user plane data of the terminal equipment, improves the utilization rate of the spectrum, and uses the wireless electromagnetic wave technology to transmit data, which can improve the data transmission speed, increase the number of users, and save the cost of data transmission .

FIG. 8 is a schematic diagram of another wireless communication device 700 provided by an embodiment of the present invention. The device 700 may be a virtual base station, and the device 700 includes:

710. The first communication module is configured to transmit user plane data of the terminal device with the first antenna of the macro base station through the second antenna;

720. The second communication module is configured to transmit user plane data with the fourth antenna of the terminal device through the fifth antenna.

Specifically, the first communication module 710 transmits the user plane data of the terminal device with the first antenna of the macro base station through the second antenna, and the second communication module 720 transmits the user plane data of the terminal device with the fourth antenna of the terminal device through the fifth antenna. data.

It should be understood that the first communication module 710 and the second communication module 720 in the embodiment of the present invention may be the same communication module, or two communication modules, which are divided into two communication modules here for ease of understanding. The embodiments of the invention do not impose any limitation.

As an optional embodiment, the second antenna uses a low frequency band to transmit user plane data of the terminal device with the first antenna, and the fifth antenna uses a high frequency band to transmit user plane data of the terminal device with the fourth antenna.

As an optional embodiment, the first communication module 710 is specifically configured to: use the second antenna to receive user plane data of the terminal device sent by the macro base station through the first antenna, and the second communication module 720 is specifically configured to: use the fifth antenna to send The fourth antenna of the terminal device sends the received user plane data of the terminal device; and/or, the second communication module 720 is further configured to: receive the user plane data of the terminal device sent by the fourth antenna of the terminal device through the fifth antenna , the first communication module 710 is specifically further configured to: send the received user plane data of the terminal device to the first antenna of the macro base station through the second antenna.

As an optional embodiment, the first antenna is a massive multiple-input multiple-output antenna, the massive multiple-input multiple-output antenna has multiple narrow beams, and the device corresponds to one of the multiple narrow beams.

As an optional embodiment, the first communication module 710 is further configured to: receive the first low-frequency user plane data sent by the macro base station through the first antenna through the second antenna; convert the first low-frequency user plane data into the first high-frequency user plane data User plane data; the second communication module 720 is specifically further configured to: send the first high-frequency user plane data to the fourth antenna of the terminal device through the fifth antenna.

As an optional embodiment, the second communication module 720 is further configured to: receive the second high-frequency user plane data sent by the fourth antenna of the terminal device through the fifth antenna; convert the second high-frequency user plane data into the second Low-frequency user plane data; the first communication module 710 is specifically further configured to: send second low-frequency user plane data to the first antenna of the macro base station through the second antenna.

As an optional embodiment, the first communication module 710 is specifically further configured to: receive the control signaling sent by the macro base station through the first antenna through the second antenna.

As an optional embodiment, the first communication module 710 is specifically further configured to: before transmitting the user plane data of the terminal device to the first antenna of the macro base station through the second antenna, transmit the data to the first antenna of the macro base station through the second antenna The first random access request message; receive the configuration parameters sent by the macro base station through the first antenna according to the first random access request message through the second antenna, the configuration parameters include: the working frequency band parameters of the fifth antenna and the second antenna and the second An initialization parameter for synchronizing the antenna with the RF signal of the fifth antenna.

Therefore, according to the wireless communication device in the embodiment of the present invention, the device may be a virtual base station, and the virtual base station converts the user plane data of the high-frequency terminal device into the user plane data of the low-frequency terminal device and sends it to the first antenna of the macro base station, Or convert the user-plane data of the low-frequency terminal equipment into high-frequency user-plane data and send it to the fourth antenna of the terminal equipment, which can realize data transfer, and transparent transmission of data can be realized without analyzing the data, reducing resource consumption. Acer The large-scale multiple-input multiple-output antenna of the station can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services, and adopt the separation of control plane data and user plane data In this way, the virtual base station to the terminal equipment uses the high frequency band to send the user plane data of the terminal equipment, improves the utilization rate of the spectrum, and uses the wireless electromagnetic wave technology to transmit data, which can improve the data transmission speed, increase the number of users, and save data transmission the cost of.

FIG. 9 is a schematic block diagram of a wireless communication device provided by an embodiment of the present invention. As shown in FIG. 810 , memory 820 , receiver 840 and transmitter 850 are connected through a bus system 830 , the memory 820 is used to store instructions, and the processor 810 is used to execute the instructions stored in the memory 920 .

The receiver 840 is used for the macro base station to receive the user plane data of the terminal device sent by the core network equipment or the macro base station to receive the user plane data of the terminal device sent by the virtual base station through the second antenna through the first antenna.

The transmitter 850 is used for the macro base station to send the user plane data of the terminal device to the second antenna of the virtual base station through the first antenna or for the macro base station to send the user plane data of the terminal device to the core network device.

The receiver 840 is specifically used for the macro base station to receive the control plane data of the terminal device sent by the terminal device through the third antenna through the wide beam antenna.

The transmitter 850 is also specifically used for the macro base station to send the control plane data of the terminal device to the third antenna of the terminal device through the wide beam antenna.

It should be understood that, in the embodiment of the present invention, the processor 810 may be a central processing unit (Central Processing Unit, referred to as "CPU"), and the processor 810 may also be other general-purpose processors, digital signal processors (DSPs), Application-specific integrated circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.

The memory 820 may include read-only memory and random-access memory, and provides instructions and data to the processor 810 .

In addition to the data bus, the bus system 830 may also include a power bus, a control bus, and a status signal bus. However, for the sake of clarity, all the buses are labeled as the bus system 830 in the figure.

As an optional embodiment, the transmitter 850 is also used for the macro base station to send the control signaling to the second antenna of the virtual base station through the first antenna.

As an optional embodiment, the processor 810 is configured to obtain the location parameter and service parameter of the terminal device before the macro base station transmits the user plane data of the terminal device through the first antenna and the second antenna of the virtual base station; and according to the terminal The location parameters and business parameters of the device determine the virtual base station from at least one virtual base station; the transmitter 850 is also used to send instruction information to the third antenna of the terminal device through the wide beam antenna, and the instruction information is used to instruct the terminal device to access the virtual base station .

As an optional embodiment, the service parameter includes the amount of service data, and the processor 810 is specifically configured to: when the amount of service data is greater than a threshold, determine the distance between the terminal device and each virtual base station in the at least one virtual base station according to the location parameter; The virtual base station with the closest distance to the terminal device among the at least one virtual base station is determined as the virtual base station.

As an optional embodiment, the transmitter 850 is also configured to send a carrier aggregation configuration message to the third antenna of the terminal device through a wide beam antenna, where the carrier aggregation configuration message is used to instruct the terminal device to transmit the terminal device through the first path and the second path , wherein the first path passes through the fourth antenna and the fifth antenna of the virtual base station, and the second path passes through the third antenna and the wide beam antenna of the macro base station.

As an optional embodiment, the receiver 840 is also configured to receive the first random access request message sent by the virtual base station through the first antenna; the transmitter 850 is also configured to send configuration parameters to the virtual base station according to the first random access request message , the configuration parameters include: working frequency band parameters of the fifth antenna and the second antenna, and initialization synchronization parameters of the second antenna and the fifth antenna.

Therefore, according to the wireless communication device of the embodiment of the present invention, the macro base station detects the parameters of the terminal equipment, and when the parameters of the terminal equipment meet the conditions for accessing the virtual base station, the macro base station sends configuration information for accessing the virtual base station to the terminal equipment, and the macro base station Send the working frequency band information of the virtual base station to the virtual base station, and the terminal device and the virtual base station complete the access of the terminal device to the virtual base station according to the information sent by the macro base station, and start sending user plane data to the terminal device. The large-scale multiple-input multiple-output antenna of the macro base station can correspond to multiple virtual base stations, and one virtual base station can serve multiple terminal devices, which can meet the needs of multiple users for a large number of data services, using control plane data and user plane data In the separated way, the virtual base station and the terminal equipment use the high frequency band to send the user plane data of the terminal equipment, improve the utilization rate of the spectrum, and use the wireless electromagnetic wave technology to transmit data, which can improve the data transmission speed, increase the number of users, and save data The cost of transmission.

FIG. 10 is a schematic block diagram of another wireless communication device according to an embodiment of the present invention. As shown in FIG. 10 , the device 900 includes: a processor 910, a memory 920, a bus system 930, a receiver 940, and a transmitter 950, wherein, The processor 910 , memory 920 , receiver 940 and transmitter 950 are connected through a bus system 930 , the memory 920 is used to store instructions, and the processor 910 is used to execute the instructions stored in the memory 920 .

The receiver 940 is used for the virtual base station to receive the user plane data of the terminal device sent by the macro base station through the first antenna through the second antenna or receive the user plane data of the terminal device sent by the terminal device through the fourth antenna through the fifth antenna.

The transmitter 950 is used for the virtual base station to send the user plane data of the terminal device to the first antenna of the macro base station through the second antenna or the virtual base station to send the user plane data of the terminal device to the fourth antenna of the terminal device through the fifth antenna.

It should be understood that, in the embodiment of the present invention, the processor 910 may be a CPU, and the processor 910 may also be other general-purpose processors, DSP, ASIC, FPGA or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.

The memory 920 may include read-only memory and random-access memory, and provides instructions and data to the processor 910 .

The bus system 930 may include not only a data bus, but also a power bus, a control bus, and a status signal bus. However, for clarity of illustration, the various buses are labeled as bus system 930 in the figure.

As an optional embodiment, the receiver 940 is also used for the virtual base station to receive the first low-frequency user plane data sent by the macro base station through the first antenna through the second antenna, and the processor 910 is used for the virtual base station to convert the first low-frequency user plane data For the first high-frequency user plane data, the transmitter 950 is further configured for the virtual base station to send the first high-frequency user plane data to the fourth antenna of the terminal device through the fifth antenna.

As an optional embodiment, the receiver 940 is also used for the virtual base station to receive the second high-frequency user plane data sent by the fourth antenna of the terminal device through the fifth antenna, and the processor 910 is also used for the virtual base station to receive the second high-frequency user plane data The plane data is converted into second low-frequency user plane data, and the transmitter 950 is also used for the virtual base station to send the second low-frequency user plane data to the first antenna of the macro base station through the second antenna.

As an optional embodiment, the receiver 940 is also used for the virtual base station to receive the control signaling sent by the macro base station through the first antenna through the second antenna, and the control signaling can be used for the macro base station to control the virtual base station.

As an optional embodiment, the transmitter 950 is further configured to send the first Random access request message; the receiver 940 is also used to receive the configuration parameters sent by the macro base station through the first antenna according to the first random access request message through the second antenna, the configuration parameters include: the working frequency bands of the fifth antenna and the second antenna parameters and initialization parameters for the synchronization of the RF signal of the second antenna with that of the fifth antenna.

It should be understood that the macro base station device and the virtual base station device in the embodiments of the present invention described in FIG. 7 to FIG. 10 can implement each step of the above-mentioned method, and to avoid repetition, details are not described here again.

It should be understood that the sequence numbers of the above processes do not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present invention.

Those skilled in the art can appreciate that the devices and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

Those skilled in the art can clearly understand that for the convenience and brevity of description, the above-described system, device, and specific working process of the device can refer to the corresponding process in the foregoing method embodiments, which will not be repeated here.

In the several embodiments provided in this application, it should be understood that the disclosed methods, devices and systems can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the device is only a logical function division. In actual implementation, there may be other division methods. For example, multiple devices or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, devices or indirect coupling or communication connection of devices may be in electrical, mechanical or other forms.

The devices described as separate components may or may not be physically separate, and the components displayed as devices may or may not be physical devices, that is, they may be located in one place, or may be distributed to multiple network devices. Part or all of the devices can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional device in each embodiment of the present invention may be integrated into one processing device, or each device may exist separately physically, or two or more devices may be integrated into one device.

If the functions are implemented in the form of software function devices and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes. .

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (24)

1. a kind of wireless communications method, it is characterised in that methods described includes：

Macro base station is by first antenna and the user plane number of the second antenna transmission terminal device of virtual base station According to；

The macro base station transmits the user face data of the terminal device with equipment of the core network；

The macro base station transmits the terminal by broad beam antenna with the third antenna of the terminal device The chain of command data of equipment.

2. method according to claim 1, it is characterised in that the macro base station passes through first day The user face data of the second antenna transmission terminal device of line and virtual base station, including：

The macro base station is received the virtual base station and is sent out by second antenna by the first antenna The user face data of the terminal device for sending,

The macro base station transmits the user face data of the terminal device with equipment of the core network, including：

The macro base station sends the user plane number of the terminal device for receiving to the equipment of the core network According to；And/or

The macro base station transmits the user face data of the terminal device with equipment of the core network, including：

The macro base station receives the user face data of the terminal device that the equipment of the core network sends,

The macro base station is by first antenna and the user of the second antenna transmission terminal device of virtual base station Face data, including：

The macro base station is sent to second antenna of the virtual base station by the first antenna and connect The user face data of the terminal device for receiving.

3. method according to claim 1 and 2, it is characterised in that the first antenna is big Scale multi-input/output antenna.

4. according to the method in any one of claims 1 to 3, it is characterised in that in the grand base Before the user face data stood by first antenna with the second antenna transmission terminal device of virtual base station, institute Stating method also includes：

The macro base station obtains the location parameter and business of the terminal device by the broad beam antenna Parameter, the service parameter includes business datum amount；

When the business datum amount be more than threshold value when, according to the location parameter determine the terminal device with The distance of each virtual base station at least one virtual base station；

Virtual base station closest with the terminal device at least one virtual base station is determined It is the virtual base station；

Configured information, institute are sent to the third antenna of the terminal device by the broad beam antenna Configured information is stated for indicating the terminal device to access the virtual base station.

5. method according to any one of claim 1 to 4, it is characterised in that in the grand base Before the user face data stood by first antenna with the second antenna transmission terminal device of virtual base station, institute Stating method also includes：

Carrier aggregation is sent by the broad beam antenna to the third antenna of the terminal device to match somebody with somebody Message is put, the carrier aggregation configuration message is used to indicate the terminal device to pass through first path and second The user face data of terminal device described in path transmission, wherein, the first path was by described 4th day 5th antenna of line and the virtual base station, second path by the third antenna with it is described The broad beam antenna of macro base station.

6. method according to any one of claim 1 to 5, it is characterised in that in the grand base Before the user face data stood by first antenna with the second antenna transmission terminal device of virtual base station, institute Stating method also includes：

By the first antenna receive the virtual base station by second antenna send first with Machine access request message；

It is described to match somebody with somebody according to first random access request message to the virtual base station send configuration parameter Putting parameter includes：Working frequency range parameter of 5th antenna with second antenna, second antenna With the initialization synchronization parameter of the 5th antenna.

7. a kind of wireless communications method, it is characterised in that methods described includes：

Virtual base station is by the second antenna and the user plane number of the first antenna transmission terminal equipment of macro base station According to；

Terminal described in the 4th antenna transmission that the virtual base station passes through the 5th antenna and the terminal device The user face data of equipment.

8. method according to claim 7, it is characterised in that the virtual base station passes through second day The user face data of the first antenna transmission terminal equipment of line and macro base station, including：

The virtual base station is received the macro base station and is sent out by the first antenna by second antenna The user face data of the terminal device for sending,

Terminal described in the 4th antenna transmission that the virtual base station passes through the 5th antenna and the terminal device The user face data of equipment, including：

The virtual base station is sent by the 5th antenna to the 4th antenna of the terminal device The user face data of the terminal device for receiving；And/or

Terminal described in the 4th antenna transmission that the virtual base station passes through the 5th antenna and the terminal device The user face data of equipment, including：

The virtual base station receives the terminal device and passes through the 4th antenna by the 5th antenna The user face data of the terminal device for sending,

The virtual base station is by the second antenna and the user of the first antenna transmission terminal equipment of macro base station Face data, including：

The virtual base station is sent to the first antenna of the macro base station by second antenna and connect The user face data of the terminal device for receiving.

9. method according to claim 8, it is characterised in that the virtual base station passes through second Antenna receives the user face data of the terminal device that the macro base station is sent by the first antenna, Including：

The virtual base station is received the macro base station and is sent out by the first antenna by second antenna The the first low frequent user face data sent；

The first low frequent user face data are converted to the first high frequency user face data by the virtual base station；

The virtual base station is sent by the 5th antenna to the 4th antenna of the terminal device The user face data of the terminal device for receiving, including：

The virtual base station is sent by the 5th antenna to the 4th antenna of the terminal device The first high frequency user face data.

10. method according to claim 8 or claim 9, it is characterised in that the virtual base station passes through The user face data of the terminal device that the 4th antenna that the 5th antenna receives the terminal device sends, Including：

The virtual base station is sent out by the 4th antenna that the 5th antenna receives the terminal device The the second high frequency user face data for sending；

The second high frequency user face data is converted to the second low frequent user face data by the virtual base station；

The virtual base station is sent to the first antenna of the macro base station by second antenna and connect The user face data of the terminal device for receiving, including：

The virtual base station sends institute by second antenna to the first antenna of the macro base station State the second low frequent user face data.

11. method according to any one of claim 7 to 10, it is characterised in that in the void Before intending user face data of the base station by the second antenna with the first antenna transmission terminal equipment of macro base station, Methods described also includes：

The first random access request is sent by second antenna to the first antenna of the macro base station to disappear Breath；

The macro base station is received by second antenna to be sent out according to first random access request message The configuration parameter for sending, the configuration parameter includes：The work of the 5th antenna and second antenna is frequently Section parameter, the initialization synchronization parameter of second antenna and the 5th antenna.

12. method according to any one of claim 7 to 11, it is characterised in that in the void Before intending user face data of the base station by the second antenna with the first antenna transmission terminal equipment of macro base station, Methods described also includes：

By the 5th antenna receive the terminal device by the 4th antenna send second with Machine access request message；

Described second is sent by second antenna to the first antenna of the macro base station to connect at random Enter request message.

13. a kind of radio communication devices, it is characterised in that described device includes：

First communication module, for the second antenna transmission terminal device by first antenna and virtual base station User face data；

Second communication module, the user face data for transmitting the terminal device with equipment of the core network；

Third communication module, for transmitting institute with the third antenna of the terminal device by broad beam antenna State the chain of command data of terminal device.

14. devices according to claim 13, it is characterised in that the first communication module is specific For：The end that the virtual base station is sent by second antenna is received by the first antenna The user face data of end equipment,

The second communication module specifically for：The terminal for receiving is sent to the equipment of the core network The user face data of equipment；And/or

The second communication module is specifically additionally operable to：The terminal for receiving the equipment of the core network transmission sets Standby user face data,

The first communication module is specifically additionally operable to：By the first antenna to the of the virtual base station Two antennas send the user face data of the terminal device for receiving.

15. device according to claim 13 or 14, it is characterised in that the first antenna is Extensive multi-input/output antenna.

16. device according to any one of claim 13 to 15, it is characterised in that described Three communication modules are additionally operable to：

In the user plane number by first antenna and the second antenna transmission terminal device of virtual base station According to before, the location parameter and service parameter of the terminal device are obtained by the broad beam antenna；

When the business datum amount be more than threshold value when, according to the location parameter determine the terminal device with The distance of each virtual base station at least one virtual base station；By at least one virtual base station with The closest virtual base station of the terminal device is defined as the virtual base station；

Configured information, institute are sent to the third antenna of the terminal device by the broad beam antenna Configured information is stated for indicating the terminal device to access the virtual base station.

17. device according to any one of claim 13 to 16, it is characterised in that the described 3rd Communication module is specifically additionally operable to：

In the user plane number by first antenna and the second antenna transmission terminal device of virtual base station According to before, carrier aggregation is sent to the third antenna of the terminal device by the broad beam antenna Configuration message, carrier aggregation configuration message is used to indicating the terminal device to pass through first path and the The user face data of terminal device described in two path transmissions, wherein, the first path is by the described 4th 5th antenna of antenna and the virtual base station, second path is by the third antenna and institute State broad beam antenna.

18. device according to any one of claim 13 to 17, it is characterised in that described first Communication module is additionally operable to：

In the user plane number by first antenna and the second antenna transmission terminal device of virtual base station According to before, the virtual base station is sent by second antenna first is received by the first antenna Random access request message；

It is described to match somebody with somebody according to first random access request message to the virtual base station send configuration parameter Putting parameter includes：Working frequency range parameter of 5th antenna with second antenna, second antenna With the initialization synchronization parameter of the 5th antenna.

19. a kind of radio communication devices, it is characterised in that described device includes：

First communication module, for the first antenna transmission terminal equipment by the second antenna and macro base station User face data；

Second communication module, for described in the 4th antenna transmission by the 5th antenna and the terminal device The user face data of terminal device.

20. devices according to claim 19, it is characterised in that the first communication module is specific For：

The terminal that the macro base station is sent by the first antenna is received by second antenna The user face data of equipment,

The second communication module specifically for：By the 5th antenna to described in the terminal device 4th antenna sends the user face data of the terminal device for receiving；And/or

The second communication module is specifically additionally operable to：The terminal device is received by the 5th antenna to lead to The user face data of the terminal device that the 4th antenna sends is crossed,

The first communication module is specifically additionally operable to：By second antenna to described in the macro base station First antenna sends the user face data of the terminal device for receiving.

21. device according to claim 19 or 20, it is characterised in that the first communication mould Block is specifically additionally operable to：

The first low frequency that the macro base station is sent by the first antenna is received by second antenna User face data；

The first low frequent user face data are converted into the first high frequency user face data；

The second communication module is specifically additionally operable to：By institute from the 5th antenna to the terminal device State the 4th antenna and send the first high frequency user face data.

22. device according to any one of claim 19 to 21, it is characterised in that described Two communication modules are specifically additionally operable to：

The second high frequency that the 4th antenna for receiving the terminal device by the 5th antenna sends User face data；

The second high frequency user face data is converted into the second low frequent user face data；

The first communication module is specifically additionally operable to：By second antenna to described in the macro base station First antenna sends the second low frequent user face data.

23. device according to any one of claim 19 to 22, it is characterised in that described One communication module is specifically additionally operable to：In the first antenna transmission terminal equipment by the second antenna and macro base station User face data before, by first antenna from second antenna to the macro base station send first with Machine access request message；

The macro base station is received by second antenna to be sent out according to first random access request message The configuration parameter for sending, the configuration parameter includes：The work of the 5th antenna and second antenna is frequently Section parameter, the initialization synchronization parameter of second antenna and the 5th antenna.

24. device according to any one of claim 19 to 23, it is characterised in that described Two communication modules are additionally operable to：

Before by the user face data of the second antenna and the first antenna transmission terminal equipment of macro base station, The terminal device is received by the 5th antenna to be connect at random by the second of the 4th antenna transmission Enter request message；

The first communication module is additionally operable to：By second antenna to described the first of the macro base station Antenna sends second random access request message.