WO2017185980A1 - Data transmission method and apparatus - Google Patents

Abstract

Embodiments of the present invention provide a data transmission method and apparatus. The method comprises: obtaining the frame structure type of a data frame of data to be transmitted; and sending indication information used for indicating the frame structure type, to a base station by means of radio resource control (RRC) signaling or a physical layer control channel. By means of the present invention, the problem in the related art of a terminal failing to transmit frame structure type information of a data frame to a base station, so that it is achieved that the terminal transmits the frame structure type information of the data frame to the base station.

Description

Data transmission method and device Technical field

Embodiments of the present invention relate to the field of communications, and in particular, to a data transmission method and apparatus.

Background technique

The mobile communication network technology has evolved from the third generation mobile communication system (3G) to the fourth generation mobile communication system (4G). As the network speed increases, more and more applications and different service types are presented. At the same time, in order to adapt to more new types of upcoming services, new requirements have also been placed on mobile communication network systems. Therefore, research on the fifth generation mobile communication system (5G) mobile communication system is being carried out in various countries and regions around the world. According to the current research progress of 5G requirements, the main types of services in the future include enhanced Mobile Broadband (eMMB), a large number of low-power machine-type communication (massive Machine-Type-Communication, mMTC for short) and low time. Ultra reliable and low latency Machine-Type-Communication (uMTC).

For 5G communication systems, a single technical framework is needed to solve different types of service transmission. For a 5G base station, there are terminals that send different service types in the network, and the terminals use different frame structure types for data transmission for different service types. At present, the terminal cannot transmit the frame structure type information of the data frame to the base station, which causes the base station to fail to accurately demodulate the received data frame.

For the problem that the terminal cannot transmit the frame structure type information of the data frame to the base station in the related art, an effective solution has not been proposed yet.

Summary of the invention

The embodiment of the invention provides a data transmission method and device, so as to at least solve the problem that the terminal cannot transmit the frame structure type information of the data frame to the base station in the related art.

According to an aspect of the embodiments of the present invention, a data transmission method is provided, including: acquiring a frame structure type of a data frame for transmitting data to be transmitted; and performing radio resource control (Radio Resource Control, RRC for short) signaling or The physical layer control channel sends indication information indicating the type of the frame structure to the base station.

Optionally, the acquiring a frame structure type of the data frame for transmitting the data to be transmitted includes: acquiring the frame structure type according to the service type of the data to be transmitted, where different service types correspond to different frames structure type.

Optionally, the acquiring the frame structure type according to the service type of the data to be transmitted includes: when the service type of the data to be transmitted is an enhanced mobile bandwidth service, acquiring a frame structure type of the data frame is a first frame structure type; when the service type of the data to be transmitted is a low-power machine type communication service mMTC, acquiring a frame structure type of the data frame as a second frame structure type; and a service type of the data to be transmitted When the machine type communication service uMTC with low delay and high reliability is obtained, the frame structure type of the data frame is obtained as the third frame structure type.

Optionally, the sending, to the base station, the indication information used to indicate the type of the frame structure includes: sending the first indication information to the base station, where the first indication information is used to indicate that the The frame structure type of the data frame of the transmission data includes a frame structure type or a plurality of frame structure types; and the second indication information is sent to the base station, where the second indication information is used to indicate The frame structure type of the data frame matching; the third indication information is sent to the base station, where the third indication information is used to indicate that the base station parses the preset frame structure type that matches the data frame. Data Frame.

Optionally, the sending, by the RRC signaling, the indication information for indicating the type of the frame structure to the base station includes: sending, by using a non-access stratum message, indication information indicating a type of the frame structure; or The radio link setup request message transmits indication information indicating the type of the frame structure.

Optionally, the sending, by the physical layer control channel, the indication information for indicating the frame structure type to the base station, includes: sending, by using an uplink physical layer control channel, a scheduling request to the base station, where the scheduling request carries Indicated information indicating the type of the frame structure.

Optionally, the subcarrier spacings of the data frames corresponding to different frame structure types are different, and/or the OFDM symbol lengths of the data frames corresponding to different frame structure types are different.

According to another aspect of the present invention, a data transmission apparatus is further provided, including: an obtaining module, configured to acquire a frame structure type of a data frame for transmitting data to be transmitted; and a sending module configured to be controlled by a radio resource The RRC signaling or the physical layer control channel sends indication information indicating the type of the frame structure to the base station.

Optionally, the acquiring module is configured to: obtain the frame structure type according to the service type of the data to be transmitted, where different service types correspond to different frame structure types.

Optionally, the sending module includes one of: a first sending unit, configured to send first indication information to the base station, where the first indication information is used to indicate that the data to be transmitted is transmitted The frame structure type of the data frame includes a frame structure type or a plurality of frame structure types, and the second sending unit is configured to send the second indication information to the base station, where the second indication information is used to indicate The frame structure type of the data frame is matched; the third sending unit is configured to send third indication information to the base station, where the third indication information is used to indicate that the base station uses the data frame to match The preset frame structure type parses the data frame.

In the embodiment of the present invention, a computer storage medium is further provided, and the computer storage medium may store an execution instruction for executing the data transmission method in the foregoing embodiment.

According to the embodiment of the present invention, a frame structure type for acquiring a data frame for transmitting data to be transmitted is adopted, and a manner for indicating indication information of a frame structure type is sent to the base station through RRC signaling or a physical layer control channel, that is, The terminal may acquire a frame structure type of a data frame used for transmitting data to be transmitted to the base station, and may send indication information indicating a frame structure type to the base station through RRC signaling or a physical layer control channel. The frame structure type used by the terminal to transmit the data to be transmitted to the base station in the form of the indication information is notified to the base station through the RRC signaling or the physical layer control channel, and the terminal can not transmit the frame structure type information of the data frame in the related art. The problem of the base station is implemented by implementing a frame structure type of the data frame transmitted by the terminal to the base station. interest. Further, the terminal indicates the frame structure type information of the data frame of the data to be transmitted to the base station, and enables the base station to accurately parse the data frame for different frame structure types, thereby improving the success rate of the base station parsing the data frame.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a flow chart of an alternative data transmission method according to an embodiment of the present invention;

2 is a schematic diagram of a frame structure type according to an embodiment of the present invention;

3 is a schematic structural diagram of indication information of a data transmission method according to an embodiment of the present invention;

4 is a schematic structural diagram of indication information of a data transmission method according to an embodiment of the present invention;

FIG. 5 is a structural block diagram of an optional data transmission apparatus according to an embodiment of the present invention; FIG.

6 is a block diagram showing the structure of another optional data transmission apparatus according to an embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

Example 1

A data transmission method is provided in this embodiment. FIG. 1 is a flowchart of an optional data transmission method according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:

Step S102, acquiring a frame structure type of a data frame for transmitting data to be transmitted;

Step S104: Send, by using a Radio Resource Control (RRC) signaling or a physical layer control channel, indication information indicating a frame structure type to the base station.

Optionally, the foregoing data transmission method may be, but is not limited to, being applied to a scenario of transmitting indication information of a data frame type to a base station. For example, in a 5G mobile communication network, a scenario in which a terminal transmits an indication information of a data frame type to a base station.

Optionally, the foregoing data transmission method may be, but is not limited to, being applied to a terminal. For example, the foregoing terminal may be, but not limited to, a mobile phone, a tablet computer, a notebook computer, a portable router, a smart wearable device, and the like.

Through the above steps, the terminal may acquire a frame structure type of a data frame for transmitting data to be transmitted to the base station, and may send indication information indicating a frame structure type to the base station through RRC signaling or a physical layer control channel. The frame structure type used by the terminal to transmit the data to be transmitted to the base station in the form of the indication information is notified to the base station through the RRC signaling or the physical layer control channel, and the terminal can not transmit the frame structure type information of the data frame in the related art. The problem to the base station is to realize the information of the frame structure type of the data frame transmitted by the terminal to the base station. Further, the terminal indicates the frame structure type information of the data frame of the data to be transmitted to the base station, and enables the base station to accurately parse the data frame for different frame structure types, thereby improving the success rate of the base station parsing the data frame.

In this embodiment, sending the indication information by using the RRC signaling may include, but is not limited to, sending the indication information by using a non-access stratum message or a radio link setup request message. The sending of the indication information through the physical layer control channel may be, but is not limited to, transmitting the indication information by using a scheduling request transmitted in the uplink physical layer control channel.

In this embodiment, in the foregoing step S102, the acquisition of the frame structure type may be, but is not limited to, a capability that the terminal itself has, and the terminal sends the capability to the base station in the manner provided by step S104. For example, the type of frame structure that the terminal can read from the background to the data frame that transmits the data to be transmitted.

In this embodiment, the manner in which the frame structure type is obtained may be, but is not limited to, the frame structure type of the data to be transmitted according to the service type of the data to be transmitted, and may be, but not limited to, the frame structure type of the data to be transmitted according to the transmission capability of the terminal. .

Optionally, in the foregoing step S102, the service according to the data to be transmitted may be, but is not limited to, The type obtains a frame structure type, where different types of frame structures can be obtained by corresponding to different service types. For example, when the service type of the data to be transmitted is an enhanced mobile bandwidth service, the frame structure type of the data frame can be obtained as the first frame structure type; when the service type of the data to be transmitted is the low power machine type communication service mMTC, obtain The frame structure type of the data frame is the second frame structure type. When the service type of the data to be transmitted is low latency and high reliability machine type communication service uMTC, the frame structure type of the acquired data frame is the third frame structure type. Further, the subcarrier spacings of the data frames corresponding to different frame structure types are different, and/or the OFDM symbol lengths of the data frames corresponding to different frame structure types are different.

An example of different frame structure types corresponding to different service types is given in an optional example. In this example, the frame structure of the unused type is set to have different subcarrier spacings and different OFDM symbol lengths. 2 is a schematic diagram of a frame structure type according to an embodiment of the present invention. As shown in FIG. 2, a data frame for transmitting eMBB type data uses a first frame structure type, and a data frame for transmitting mMTC type data uses a second frame structure type for transmission. The data frame of the uMTC type data uses the third frame structure type. In this embodiment, the subcarrier spacing of the third frame structure type may be, but is not limited to, a subcarrier spacing greater than the first frame structure type, and the subcarrier spacing of the first frame structure type may be, but is not limited to, greater than the second frame structure. Type of subcarrier spacing. In addition, in this embodiment, the OFDM symbol length of the third frame structure type may be, but is not limited to, an OFDM symbol length smaller than the first frame structure type, and the OFDM symbol length of the first frame structure type may be, but is not limited to, less than The length of the OFDM symbol of the second frame structure type.

By changing the subcarrier spacing and/or the OFDM symbol length, different types of frame structures can be constructed, and the frame structure type information is transmitted to the base station through RRC signaling or physical layer control channel, so that the base station can know the frame structure of the data frame. , thus parsing the data frame.

Optionally, in the foregoing step S104, the manner of sending the indication information to the base station may include, but is not limited to, one of the following:

Manner 1, the first indication information may be sent to the base station, where the first indication information may be, but is not limited to, a frame structure type for indicating a data frame for transmitting data to be transmitted, including a frame structure type or a plurality of frame structure types.

For example, the first indication information may carry information indicating that the terminal sends a data frame of a corresponding service type by using a specific frame structure type. The first indication information may also indicate that the terminal will transmit the data frame using multiple frame structure types. When the RRC signaling includes the non-access stratum message, the non-access stratum message may include first indication information that carries information related to a frame structure type used for data transmission, where the first indication information may be only related to a certain type of frame. The structure type is related or can be related to a variety of frame structure types.

In another optional example, when the RRC signaling refers to the radio link setup request message, the radio link setup request message may include a first indication carrying information related to a frame structure type for data transmission. The information, the first indication information may be related to only one type of frame structure or may also be related to multiple frame structure types. When the terminal sends information related to the frame structure type for data transmission to the base station through the physical layer control channel, the scheduling request sent by the terminal through the uplink physical layer control channel includes the frame structure type carried and used for data transmission. First indication of related information. The first indication information may be related to only one type of frame structure or to multiple frame structure types.

FIG. 3 is a schematic structural diagram of indication information of a data transmission method according to an embodiment of the present invention. As shown in FIG. 3, 2 bits of information may be used in the first indication information to indicate a frame structure type used by the terminal for data transmission. For example: “00” means adopting the first frame structure type for enhanced mobile bandwidth service type, “01” means adopting the second frame structure type for low-power machine type communication service, and “10” means adopting high reliability for low delay. The third frame structure type of the machine type communication service, "11" indicates that two or three of the above three frame structure types can be employed. It should be noted that the four types of the two-bit information may respectively represent the correspondence between any one of the four types of service types and the frame structure type.

Manner 2: The second indication information may be sent to the base station, where the second indication information may be used to indicate a frame structure type that matches the data frame.

In the third mode, the third indication information may be sent to the base station, where the third indication information may be used to indicate that the base station parses the data frame by using a preset frame structure type that matches the data frame.

For example, the second indication information can be used to indicate that the data to be transmitted will use a certain frame structure type. The data frame, the third indication information may be used to indicate that the data to be transmitted by the base station will use a data frame of a default preset frame structure type.

In an optional example, when the RRC signaling includes a non-access stratum message, the third indication message may be, but is not limited to, a non-access stratum message that does not carry information related to a frame structure type used for data transmission. The non-access stratum message is used to indicate that the terminal will transmit data of the first service type by using a default first frame structure type. The third indication message may also be, but is not limited to, a non-access stratum message carrying bit information indicating that the terminal will transmit the data frame using the preset frame structure type. The second indication message may be, but is not limited to, a non-access stratum message including related information of a frame structure type used for data transmission, and different values of the second indication message may be, but are not limited to, respectively indicating that the terminal will adopt the second frame. The structure type transmits the data of the second service type, or the terminal transmits the data of the third service type using the third frame structure type. The first service type may be, but is not limited to, an enhanced mobile bandwidth service, and the second service type and the third service type may be, but are not limited to, different machine type communication services.

In another optional example, when the RRC signaling includes a radio link setup request message, the third indication message may be, but is not limited to, a radio link request message that does not carry information related to a frame structure type for data transmission. At this time, the non-access stratum message is used to indicate that the terminal will transmit the data of the first service type by using the default first frame structure type. The third indication message may also be, but is not limited to, a radio link request message carrying bit information indicating that the terminal will transmit the data frame using the preset frame structure type. The second indication message may be, but is not limited to, a radio link request message including related information of a frame structure type for data transmission, and different values of the second indication message may be, but are not limited to, respectively indicating that the terminal will adopt the second frame The structure type transmits the data of the second service type, or the terminal transmits the data of the third service type using the third frame structure type. The first service type may be, but is not limited to, an enhanced mobile bandwidth service, and the second service type and the third service type may be, but are not limited to, different machine type communication services.

In another optional example, when the indication information is sent by using the physical layer control channel, when the indication information is sent by using the scheduling request in the uplink physical layer control channel, the third indication message may be, but not limited to, not carried and used for data. Scheduling of information related to the structure of the transmitted frame structure The request, at this time, the scheduling request is used to indicate that the terminal will transmit the data of the first service type by using the default first frame structure type. The third indication message may also be, but is not limited to, a scheduling request carrying bit information indicating that the terminal will transmit the data frame using the preset frame structure type. The second indication message may be, but is not limited to, a scheduling request including related information of a frame structure type for data transmission, and different values of the second indication message may respectively indicate that the terminal will transmit the second service by using the second frame structure type. Type of data, or the terminal will transmit data of the third service type using the third frame structure type. The first service type may be, but is not limited to, an enhanced mobile bandwidth service, and the second service type and the third service type may be, but are not limited to, different machine type communication services.

4 is a schematic structural diagram of indication information of a data transmission method according to an embodiment of the present invention. As shown in FIG. 4, a frame structure type of a data frame used by a terminal for data transmission may be represented by 1 bit, and the 1 bit information is optional. . The third indication information may be a radio link setup request message or a non-access stratum message or a scheduling request in the uplink physical layer control channel that does not carry the 1-bit information field. In this case, the third indication information may be used to indicate that the The first frame structure type of the mobile bandwidth service type. The second indication information may be a radio link setup request message or a non-access stratum message or a scheduling request in the uplink physical layer control channel when the 1-bit information field is carried, and if the value of the field is 0, it indicates that the low-power is adopted. The second frame structure type of the machine type communication service transmits data, and the value of the field is 1, indicating that the data is transmitted using the third frame structure type for the low latency high reliability machine type communication service. Alternatively, if the value of the field is 0, it indicates that the data is transmitted by using the third frame structure type for the low-latency, high-reliability machine type communication service, and the value of the field is 1, indicating that the communication service for the low-power machine type is adopted. The second frame structure type transmits data.

Optionally, in the foregoing step S104, the manner of sending the indication information for indicating the frame structure type to the base station by using the RRC signaling may be one of the following: sending the indication information indicating the frame structure type by using the non-access stratum message. And transmitting, by the radio link setup request message, indication information indicating a type of the frame structure. The manner of transmitting the indication information indicating the frame structure type to the base station by using the physical layer control channel may be that the scheduling request is sent to the base station by using the uplink physical layer control channel, where the scheduling request carries indication information indicating the type of the frame structure.

In a mobile communication network, different service types have different network performance index requirements when transmitting data. In order to meet different network performance index requirements of different service types in a single technology framework, the 5G system will introduce different frames in the physical layer. Structure, while maintaining a certain proportional relationship between different frame structure parameters, forming different frame structure types. In order to avoid access in various frame structure type areas, the system may delineate specific common resources for initial access work of different types of services, including cell synchronization, reception of broadcast information, and random access procedures. For different service types, the terminal uses different frame structure types for data transmission. With the data transmission method provided in this embodiment, the terminal can indicate the frame structure type of the transmission data to the base station, so that the base station can according to the indication information of the terminal. The received data frame is parsed to implement the frame structure type information of the data frame transmitted by the terminal to the base station, and further improves the success rate of the base station to parse the data frame.

Example 2

In the embodiment, a data transmission device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 5 is a structural block diagram of an optional data transmission apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes:

1) an obtaining module 52, configured to acquire a frame structure type of a data frame for transmitting data to be transmitted;

2) The sending module 54 is coupled to the obtaining module 52, and configured to send, by using a radio resource control RRC signaling or a physical layer control channel, indication information indicating a frame structure type to the base station.

Optionally, the foregoing data transmission device may be, but is not limited to, a scenario applied to transmitting indication information of a data frame type to a base station. For example, in a 5G mobile communication network, a scenario in which a terminal transmits an indication information of a data frame type to a base station.

Optionally, the foregoing data transmission device may be, but is not limited to, being applied to a terminal, for example, the foregoing The terminal can be, but is not limited to, a mobile phone, a tablet computer, a laptop computer, a portable router, a smart wearable device, and the like.

Through the foregoing apparatus, the acquiring module 52 may acquire a frame structure type of a data frame for transmitting data to be transmitted to the base station, and may send, by the sending module 54 to the base station, an RRC signaling or a physical layer control channel, to indicate a frame structure type. Instructions. The frame structure type used by the terminal to transmit the data to be transmitted to the base station in the form of the indication information is notified to the base station through the RRC signaling or the physical layer control channel, and the terminal can not transmit the frame structure type information of the data frame in the related art. The problem to the base station is to realize the information of the frame structure type of the data frame transmitted by the terminal to the base station. Further, the terminal indicates the frame structure type information of the data frame of the data to be transmitted to the base station, so that the base station can accurately parse the data frame for different frame structure types, thereby improving the success rate of parsing the data frame.

In this embodiment, sending the indication information by using the RRC signaling may include, but is not limited to, sending the indication information by using a non-access stratum message or a radio link setup request message. The sending of the indication information through the physical layer control channel may be, but is not limited to, transmitting the indication information by using a scheduling request transmitted in the uplink physical layer control channel.

In this embodiment, the manner in which the frame structure type is obtained may be, but is not limited to, the frame structure type of the data to be transmitted according to the service type of the data to be transmitted, and may be, but not limited to, the frame structure type of the data to be transmitted according to the transmission capability of the terminal. .

Optionally, the obtaining module 52 may be, but is not limited to, being configured to: obtain a frame structure type according to a service type of data to be transmitted, where different service types correspond to different frame structure types. For example, when the service type of the data to be transmitted is an enhanced mobile bandwidth service, the frame structure type of the data frame can be obtained as the first frame structure type; when the service type of the data to be transmitted is the low power machine type communication service mMTC, obtain The frame structure type of the data frame is the second frame structure type. When the service type of the data to be transmitted is low latency and high reliability machine type communication service uMTC, the frame structure type of the acquired data frame is the third frame structure type. Further, the subcarrier spacings of the data frames corresponding to different frame structure types are different, and/or the OFDM symbol lengths of the data frames corresponding to different frame structure types are different.

An example of different frame structure types corresponding to different service types is given in an optional example, in this example, the frame structure of the unused type is set to have different subcarrier spacings and different OFDM symbol lengths, such as As shown in FIG. 2, the data frame transmitting the eMBB type data uses the first frame structure type, the data frame transmitting the mMTC type data uses the second frame structure type, and the data frame transmitting the uMTC type data uses the third frame structure type. In this embodiment, the subcarrier spacing of the third frame structure type may be, but is not limited to, a subcarrier spacing greater than the first frame structure type, and the subcarrier spacing of the first frame structure type may be, but is not limited to, greater than the second frame structure. Type of subcarrier spacing. In addition, in this embodiment, the OFDM symbol length of the third frame structure type may be, but is not limited to, an OFDM symbol length smaller than the first frame structure type, and the OFDM symbol length of the first frame structure type may be, but is not limited to, less than The length of the OFDM symbol of the second frame structure type.

By changing the subcarrier spacing and/or the OFDM symbol length, different types of frame structures can be constructed, and the frame structure type information is transmitted to the base station through RRC signaling or physical layer control channel, so that the base station can know the frame structure of the data frame. , thus parsing the data frame.

FIG. 6 is a structural block diagram of another optional data transmission apparatus according to an embodiment of the present invention. As shown in FIG. 6, optionally, the sending module 54 includes one of the following:

1) The first sending unit 62 is configured to send the first indication information to the base station, where the first indication information is used to indicate that the frame structure type of the data frame for transmitting the data to be transmitted includes a frame structure type or multiple frame structure types. ;

2) The second sending unit 64 is configured to send the second indication information to the base station, where the second indication information is used to indicate a frame structure type that matches the data frame;

3) The third sending unit 66 is configured to send third indication information to the base station, where the third indication information is used to instruct the base station to parse the data frame by using a preset frame structure type that matches the data frame.

Optionally, the manner in which the sending module 54 sends the indication information to the base station may include, but is not limited to, one of the following:

In a first manner, the first sending unit 62 may send the first indication information to the base station, where the first indication information may be, but is not limited to, a frame structure class for indicating a data frame for transmitting data to be transmitted. The type includes a frame structure type or a plurality of frame structure types.

For example, the first indication information may carry information indicating that the terminal sends a data frame of a corresponding service type by using a specific frame structure type. The first indication information may also indicate that the terminal will transmit the data frame using multiple frame structure types. When the RRC signaling includes the non-access stratum message, the non-access stratum message may include first indication information that carries information related to a frame structure type used for data transmission, where the first indication information may be only related to a certain type of frame. The structure type is related or can be related to a variety of frame structure types.

In another optional example, when the RRC signaling refers to the radio link setup request message, the radio link setup request message may include a first indication carrying information related to a frame structure type for data transmission. The information, the first indication information may be related to only one type of frame structure or may also be related to multiple frame structure types. When the terminal sends information related to the frame structure type for data transmission to the base station through the physical layer control channel, the scheduling request sent by the terminal through the uplink physical layer control channel includes the frame structure type carried and used for data transmission. First indication of related information. The first indication information may be related to only one type of frame structure or to multiple frame structure types.

As shown in FIG. 3, the 2 bit information may be used in the first indication information to indicate the frame structure type used by the terminal for data transmission. For example: “00” means adopting the first frame structure type for enhanced mobile bandwidth service type, “01” means adopting the second frame structure type for low-power machine type communication service, and “10” means adopting high reliability for low delay. The third frame structure type of the machine type communication service, "11" indicates that two or three of the above three frame structure types can be employed. It should be noted that the four types of the two-bit information may respectively represent the correspondence between any one of the four types of service types and the frame structure type.

In the second manner, the second sending unit 64 may send the second indication information to the base station, where the second indication information may be used to indicate a frame structure type that matches the data frame.

The third sending unit 66 may send the third indication information to the base station, where the third indication information may be used to indicate that the base station parses the data frame by using a preset frame structure type that matches the data frame.

For example, the second indication information may be used to indicate that the data to be transmitted will use a data frame of a certain frame structure type, and the third indication information may be used to indicate that the data to be transmitted by the base station will use a data frame of a default preset frame structure type.

In an optional example, when the RRC signaling includes a non-access stratum message, the third indication message may be, but is not limited to, a non-access stratum message that does not carry information related to a frame structure type used for data transmission. The non-access stratum message is used to indicate that the terminal will transmit data of the first service type by using a default first frame structure type. The third indication message may also be, but is not limited to, a non-access stratum message carrying bit information indicating that the terminal will transmit the data frame using the preset frame structure type. The second indication message may be, but is not limited to, a non-access stratum message including related information of a frame structure type used for data transmission, and different values of the second indication message may be, but are not limited to, respectively indicating that the terminal will adopt the second frame. The structure type transmits the data of the second service type, or the terminal transmits the data of the third service type using the third frame structure type. The first service type may be, but is not limited to, an enhanced mobile bandwidth service, and the second service type and the third service type may refer to different machine type communication services.

In another optional example, when the RRC signaling includes a radio link setup request message, the third indication message may be, but is not limited to, a radio link request message that does not carry information related to a frame structure type for data transmission. At this time, the non-access stratum message is used to indicate that the terminal will transmit the data of the first service type by using the default first frame structure type. The third indication message may also be, but is not limited to, a radio link request message carrying bit information indicating that the terminal will transmit the data frame using the preset frame structure type. The second indication message may be, but is not limited to, a radio link request message including related information of a frame structure type for data transmission, and different values of the second indication message may respectively indicate that the terminal will transmit by using the second frame structure type The data of the second service type, or the terminal will transmit the data of the third service type by using the third frame structure type. The first service type may be, but is not limited to, an enhanced mobile bandwidth service, and the second service type and the third service type may refer to different machine type communication services.

In another optional example, the manner of sending the indication information by using the physical layer control channel includes: when the indication information is sent by using the scheduling request in the uplink physical layer control channel, the third indication message It may be, but is not limited to, a scheduling request that does not carry information related to a frame structure type used for data transmission. At this time, the scheduling request is used to indicate that the terminal will transmit data of the first service type by using a default first frame structure type. The third indication message may also be, but is not limited to, a scheduling request carrying bit information indicating that the terminal will transmit the data frame using the preset frame structure type. The second indication message may be, but is not limited to, a scheduling request including related information of a frame structure type for data transmission, and different values of the second indication message may be, but are not limited to, respectively indicating that the terminal will transmit using the second frame structure type The data of the second service type, or the terminal will transmit the data of the third service type by using the third frame structure type. The first service type may be, but is not limited to, an enhanced mobile bandwidth service, and the second service type and the third service type may be, but are not limited to, different machine type communication services.

As shown in FIG. 4, the frame structure type of the data frame used by the terminal for data transmission can be represented by 1 bit, and the 1-bit information is optional. The third indication information may be a radio link setup request message or a non-access stratum message or a scheduling request in the uplink physical layer control channel that does not carry the 1-bit information field. In this case, the third indication information may be used to indicate that the The first frame structure type of the mobile bandwidth service type. The second indication information may be a radio link setup request message or a non-access stratum message or a scheduling request in the uplink physical layer control channel when the 1-bit information field is carried, and if the value of the field is 0, it indicates that the low-power is adopted. The second frame structure type of the machine type communication service transmits data, and the value of the field is 1, indicating that the data is transmitted using the third frame structure type for the low latency high reliability machine type communication service. Alternatively, if the value of the field is 0, it indicates that the data is transmitted by using the third frame structure type for the low-latency, high-reliability machine type communication service, and the value of the field is 1, indicating that the communication service for the low-power machine type is adopted. The second frame structure type transmits data.

Optionally, the sending module 54 may be, but is not limited to, being configured to: send indication information indicating a frame structure type by using a non-access stratum message, or send indication information indicating a frame structure type by using a radio link setup request message. Or, the scheduling request carrying the indication information indicating the type of the frame structure is sent to the base station by using the uplink physical layer control channel.

In a mobile communication network, different service types have different network performance indicators when transmitting data. In order to meet the requirements of different network performance indicators of different service types within a single technical framework, the 5G system will introduce different frame structures in the physical layer, while maintaining a certain proportional relationship between different frame structure parameters, which constitutes different The frame structure type. In order to avoid access in various frame structure type areas, the system may delineate specific common resources for initial access work of different types of services, including cell synchronization, reception of broadcast information, and random access procedures. For different service types, the terminal uses different frame structure types for data transmission. With the data transmission device provided in this embodiment, the terminal can use the sending module 54 to indicate the frame structure type of the transmission data acquired by the obtaining module 52 to the base station. Therefore, the base station can parse the received data frame according to the indication information of the terminal, and implement the frame structure type information of the data frame transmitted by the terminal to the base station, and further improve the success rate of the base station to parse the data frame.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

Example 3

Embodiments of the present invention also provide a storage medium. Optionally, in the embodiment, the foregoing storage medium may be configured to store program code for performing the following steps:

S1. Obtain a frame structure type of a data frame used for transmitting data to be transmitted.

S2. The RRC signaling or the physical layer control channel is controlled by the radio resource, and the indication information for indicating the type of the frame structure is sent to the base station.

Optionally, in this embodiment, the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory. A variety of media that can store program code, such as a disc or a disc.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

In the embodiment of the present invention, a frame structure type for acquiring a data frame for transmitting data to be transmitted is adopted, and a manner for indicating indication information of a frame structure type is sent to the base station through RRC signaling or a physical layer control channel, that is, The terminal may obtain a frame structure type of a data frame for transmitting data to be transmitted to the base station, and may send indication information indicating a frame structure type to the base station through RRC signaling or a physical layer control channel. The frame structure type used by the terminal to transmit the data to be transmitted to the base station in the form of the indication information is notified to the base station through the RRC signaling or the physical layer control channel, and the terminal can not transmit the frame structure type information of the data frame in the related art. The problem to the base station is to realize the information of the frame structure type of the data frame transmitted by the terminal to the base station. Further, the terminal indicates the frame structure type information of the data frame of the data to be transmitted to the base station, and enables the base station to accurately parse the data frame for different frame structure types, thereby improving the success rate of the base station parsing the data frame.

Claims (10)

A data transmission method includes: Obtaining a frame structure type of a data frame for transmitting data to be transmitted; The indication information indicating the type of the frame structure is sent to the base station by using the radio resource control RRC signaling or the physical layer control channel. The method of claim 1, wherein the acquiring the frame structure type of the data frame for transmitting the data to be transmitted comprises: Acquiring the frame structure type according to the service type of the data to be transmitted, where different service types correspond to different frame structure types. The method according to claim 2, wherein the acquiring the frame structure type according to the service type of the data to be transmitted comprises: When the service type of the data to be transmitted is an enhanced mobile bandwidth service, acquiring a frame structure type of the data frame is a first frame structure type; When the service type of the data to be transmitted is a low-power machine type communication service mMTC, acquiring a frame structure type of the data frame is a second frame structure type; When the service type of the data to be transmitted is a low-latency and high-reliability machine-type communication service uMTC, the frame structure type of the data frame is acquired as a third frame structure type. The method of claim 1, wherein the indication information for transmitting the frame structure type to the base station comprises one of the following: Transmitting the first indication information to the base station, where the first indication information is used to indicate that the frame structure type of the data frame that transmits the data to be transmitted includes a frame structure type or multiple frame structure types ; Sending second indication information to the base station, where the second indication information is used to refer to Showing the frame structure type that matches the data frame; Sending third indication information to the base station, where the third indication information is used to instruct the base station to parse the data frame by using a preset frame structure type that matches the data frame. The method according to any one of claims 1 to 4, wherein the transmitting the indication information indicating the frame structure type to the base station by using the RRC signaling includes: Transmitting, by the non-access stratum message, indication information indicating the type of the frame structure; or The indication information indicating the type of the frame structure is transmitted through a radio link setup request message. The method according to any one of claims 1 to 4, wherein the transmitting the indication information indicating the frame structure type to the base station by using the physical layer control channel comprises: And transmitting, by the uplink physical layer control channel, a scheduling request to the base station, where the scheduling request carries the indication information used to indicate the frame structure type. The method according to any one of claims 1 to 4, wherein different subcarrier spacings of data frames corresponding to the frame structure type are different, and/or different data frames corresponding to the frame structure type The OFDM symbol length is different. A data transmission device comprising: An obtaining module, configured to acquire a frame structure type of a data frame used for transmitting data to be transmitted; a sending module configured to control RRC signaling or physical layer control through radio resources And transmitting, to the base station, indication information indicating the type of the frame structure. The apparatus of claim 8 wherein said obtaining module is configured to: Acquiring the frame structure type according to the service type of the data to be transmitted, where different service types correspond to different frame structure types. The apparatus of claim 8 wherein said transmitting module comprises one of: a first sending unit, configured to send first indication information to the base station, where the first indication information is used to indicate that the frame structure type of the data frame that transmits the data to be transmitted includes a frame structure Type or multiple frame structure types; a second sending unit, configured to send second indication information to the base station, where the second indication information is used to indicate the frame structure type that matches the data frame; The third sending unit is configured to send the third indication information to the base station, where the third indication information is used to instruct the base station to parse the data frame by using a preset frame structure type that matches the data frame.

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