CN107306452B - Data transmission method, user equipment and network equipment - Google Patents

Abstract

An embodiment of the present invention provides a data transmission method, comprising: a network device receiving an uplink random access request signal from at least one user equipment within a first time window, and according to the uplink random access request signal received within the first time window The load indication information is determined by the number of incoming request signals, and the load indication information is sent to at least one user equipment. The user equipment determines a second time window for subsequent transmission of uplink data, determines a transmission resource within the second time window according to the load indication information, and sends uplink data to the network device on the transmission resource. In the method of this embodiment of the present invention, each user equipment determines uplink data transmission resources according to the load indication information, and can dynamically allocate data channel resources, which can avoid conflicts between multiple UEs, improve resource utilization, and further enable Improve transmission efficiency.

Description

Data transmission method, user equipment and network equipment

technical field

Embodiments of the present invention relate to the field of communications, and more particularly, to a data transmission method, user equipment, and network equipment.

Background technique

At present, the application of small packets and large connections is increasing day by day. With the advent of the application era of small packets and large connections in the future, it will pose a great challenge to the scheduling-based access method of wireless communication. Huge demand for control channels. Since the random access method needs to allocate resources based on a certain conflict probability, this means that for a certain number of access users, a corresponding number of resources needs to be allocated to maintain a certain conflict probability.

However, in the scenario of small packets and large connections, due to the large change in the number of access users per unit time, if the nearly static resource allocation method of the prior art is adopted, the number of accesses in certain time periods will be small, resulting in resource allocation. It is wasteful, and there are many accesses in some time periods, which increases the probability of collision and causes communication congestion. Therefore, this static resource allocation method has too low utilization rate of resources and low communication efficiency.

SUMMARY OF THE INVENTION

The embodiment of the present invention provides a method for data transmission, which can improve the utilization rate of resources.

In a first aspect, a method for data transmission is provided, including:

The user equipment sends an uplink random access request signal to the network device within the first time window;

receiving, by the user equipment, load indication information related to the uplink random access request signal from the network device;

determining, by the user equipment, a second time window according to the first time window, where the second time window is used for subsequent transmission of uplink data;

determining, by the user equipment, the total available resources within the second time window according to the load indication information;

selecting, by the user equipment, a transmission resource from the total available resources;

The user equipment sends the uplink data to the network device on the sending resource.

The sending resources refer to resources used for sending data. The uplink data sent by the user equipment is uplink data corresponding to the uplink random access request signal.

The resources include at least one of time resources, frequency resources and code resources.

之后，用户设备可以根据该可用RB的数量确定发送资源，并在发送资源上进行上行数据的传输。本发明实施例无需在总的RB的数量的时频资源上由用户设备进行竞争发送，在可用RB的数量的时频资源上进行上行传输，这样其他的时频资源可以由网络设备用于其他的通信用途，从而能够提高资源的利用率。In the embodiment of the present invention, the network device determines the load indication information in the first time window according to the number of random access user equipments in the first time window, and sends the load indication information in the form of broadcast. The user equipment determines the number of available RBs in the second time window based on the received load indication information, that is,

After that, the user equipment may determine the transmission resource according to the number of the available RBs, and perform uplink data transmission on the transmission resource. In this embodiment of the present invention, there is no need for the user equipment to compete for transmission on the time-frequency resources of the total number of RBs, and uplink transmission is performed on the time-frequency resources of the number of available RBs, so that other time-frequency resources can be used by the network equipment for other communication purposes, so as to improve the utilization of resources.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the receiving load indication information related to the uplink random access request signal from the network device includes:

Determine the downlink reception time according to the first time window and the timing relationship;

The load indication information related to the uplink random access request signal from the network device is received in the downlink reception time window where the downlink reception moment is located. The timing relationship is used to represent the difference between the downlink receiving moment and the first time window.

As an example, the timing relationship may be used to represent the difference between the number of the last subframe of the first time window and the number of the subframe at the downlink reception time.

Among them, the timing relationship may be predefined. For example, the predefined timing relationship may be pre-stored or pre-configured in the user equipment. Alternatively, the predefined timing relationship may be acquired by the device from other network elements in advance. Here, other network elements may be network devices.

With reference to the first possible implementation manner of the first aspect, in the second possible implementation manner of the first aspect, the determining the downlink reception moment includes: assigning the serial number of the last subframe of the first time window The sum of the difference and the difference is taken as the number of the subframe at the downlink reception time.

With reference to any possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the determining the second time window according to the first time window includes: according to the first time window The window and a predefined offset determine the second time window.

Wherein, the offset represents the difference between the time window in which the UE sends the uplink data and the time window in which the UE sends the uplink random access request signal.

Optionally, the sum of the number of the first time window and the offset may be determined as the number of the second time window.

With reference to the first aspect or any possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the determining of the total available resources in the second time window includes:

determining the number of available resource blocks RB in the second time window according to the load indication information and the maximum value of the predefined load level;

The number of available resources within the second time window is determined according to the number of available RBs.

With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, determining the second The number of available RBs within the time window, including:

Determine the number of available RBs as:

表示所述第二时间窗内的所述可用RB的数量，l_OI表示所述负载指示信息，L_OI表示所述预定义的负载等级的最大值，M_RB表示所述第二时间窗内的上行数据信道的总的RB的数量。in,

Indicates the number of the available RBs in the second time window, _{10I represents the load indication information, L0I represents} the maximum value of the predefined load level, and M _RB represents the number of available RBs in the second time window. The total number of RBs in the uplink data channel.

With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the total available resources in the second time window are determined according to the number of available RBs ,include:

Determine the total amount of available resources within the second time window as:

Wherein, Layer _nw represents the total number of available resources in the second time window, M _sf represents the number of available subframes of the uplink data channel in the second time window, and m _RB represents a predefined unit The number of RBs on the data channel resources, and m _layer represents the number of code division multiplexing resources on the predefined unit data channel resources.

With reference to any possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, before the method, further comprising: receiving a broadcast SIB from the network device, the broadcast information SIB Including resource information of the uplink data channel, the resource information includes information on the total number and number of RBs and information on the total number and number of available subframes.

With reference to the first aspect or any possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the selecting a sending resource from the total available resources includes:

randomly select a resource from the total available resources as the sending resource;

Or, the resource numbered by the modulo operation of the identification ID of the user equipment and the total number of available resources is used as the sending resource.

Each user equipment determines the sending resource according to its own ID. Generally, since different user equipments have different IDs, different user equipments will select different sending resources to send uplink data, which can avoid conflicts between multiple UEs. , thereby reducing retransmissions caused by transmission failures, thereby improving transmission efficiency.

In a second aspect, a method for data transmission is provided, including:

The network device receives an uplink random access request signal from at least one user equipment within the first time window;

The network device determines load indication information according to the number of the uplink random access request signals received within the first time window;

sending, by the network device, the load indication information to the at least one user equipment, where the load indication information is used for determining a sending resource within a second time window for respectively sending uplink data of the at least one user equipment;

The network device receives, in the second time window, uplink data respectively sent on the respective determined sending resources from the at least one user equipment.

In the method of the embodiment of the present invention, the network device determines the load indication information according to the number of received uplink random access request signals, so that each user equipment determines the transmission resources of the data channel according to the load indication information, and can dynamically allocate the data channel resources , so that conflicts between multiple UEs can be avoided, resource utilization can be improved, and transmission efficiency can be improved.

With reference to the second aspect, in a first possible implementation manner of the second aspect, the determining the load indication information includes: acquiring a predefined access request load level relationship;

determining the load level corresponding to the number of the uplink random access request signals according to the access request load level relationship;

The corresponding load level is used as the load indication information.

With reference to the second aspect or the first possible implementation manner of the second aspect, in the second possible implementation manner of the second aspect, before the method, the method further includes:

The network device sends the broadcast information system information block SIB, the broadcast information SIB includes resource information of the uplink data channel, and the resource information includes the information of the total number and number of RBs and the number and number of the total available subframes. information.

It can be understood that, in this embodiment of the present invention, the uplink random access request signal may be PRACH or SRS.

In a third aspect, a user equipment is provided, including: a sending unit, configured to send an uplink random access request signal to a network device within a first time window; and a receiving unit, configured to receive an uplink random access request signal from the network device and the uplink load indication information related to the random access request signal; a processing unit, configured to determine a second time window according to the first time window, and the second time window is used for subsequent transmission of uplink data; The load indication information is used to determine the total available resources in the second time window; and the sending resources are selected from the total available resources; The uplink data is sent to the network device on the resource. The user equipment may be configured to perform each process performed by the user equipment in the method of the first aspect and its implementation manner.

In a fourth aspect, a user equipment is provided, including a receiver, a processor and a transmitter. The transmitter is configured to send an uplink random access request signal to the network device within the first time window. The receiver is configured to receive load indication information related to the uplink random access request signal from the network device. The processor is configured to determine a second time window according to the first time window, and the second time window is used to send uplink data subsequently; the total available resources; and selecting a transmission resource from the total available resources. The transmitter is further configured to send the uplink data to the network device on the sending resource selected by the processor. The user equipment may be configured to perform each process performed by the user equipment in the method of the first aspect and its implementation manner.

In a fifth aspect, a network device is provided, including a receiving unit, a processing unit and a sending unit. a receiving unit, configured to receive an uplink random access request signal from at least one user equipment within a first time window; a processing unit, configured to receive an uplink random access request signal from at least one user equipment within the first time window; the number of access request signals, to determine load indication information; a sending unit, configured to send the load indication information determined by the processing unit to the at least one user equipment, where the load indication information is used for the at least one user Determination of the sending resources in the second time window in which the equipment sends the uplink data respectively; the receiving unit is further configured to receive the respectively determined sending resources from the at least one user equipment in the second time window. Upstream data sent. The network device may be configured to execute each process performed by the network device in the method of the second aspect and its implementation manner.

In a sixth aspect, a network device is provided, including a receiver, a processor and a transmitter. The receiver is configured to receive the uplink random access request signal from at least one user equipment within the first time window; the processor is configured to receive the uplink random access request signal according to the receiver within the first time window The number of the load indication information is determined; the transmitter is configured to send the load indication information determined by the processor to the at least one user equipment, and the load indication information is used for the at least one user equipment to send uplink data respectively. The receiver is further configured to receive, in the second time window, the uplink data respectively sent on the respective determined transmission resources from the at least one user equipment. The network device may be configured to execute each process performed by the network device in the method of the second aspect and its implementation manner.

In a seventh aspect, a computer program product is provided, the computer program product comprising: computer program code, when the computer program code is executed by a processor, causing the user equipment to perform the above-mentioned first aspect, and various Any method of data transmission in the implementation manner.

In an eighth aspect, a computer program product is provided, the computer program product comprising: computer program code, when the computer program code is executed by a processor, the network device causes the network device to perform the above-mentioned second aspect, and various Any method of data transmission in the implementation manner.

In a ninth aspect, a computer-readable storage medium is provided, and the computer-readable storage medium stores a program, and the program enables a user equipment to perform the above-mentioned first aspect and any data transmission in various implementation manners thereof. Methods.

In a tenth aspect, a computer-readable storage medium is provided, and the computer-readable storage medium stores a program, and the program enables a network device to perform the above-mentioned second aspect and any data transmission in various implementation manners thereof. Methods.

An eleventh aspect provides a communication system, where the communication system includes the user equipment described in the third aspect or the fourth aspect, and the network device described in the fifth aspect or the sixth aspect.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments.

FIG. 1 is a schematic diagram of a resource according to an embodiment of the present invention.

FIG. 2 is a flowchart of a data transmission method according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of a time window according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of sending resources of a user equipment according to an embodiment of the present invention.

FIG. 5 is a schematic structural block diagram of a user equipment according to an embodiment of the present invention.

FIG. 6 is another schematic structural block diagram of a user equipment according to an embodiment of the present invention.

FIG. 7 is a schematic structural block diagram of a network device according to an embodiment of the present invention.

FIG. 8 is another schematic structural block diagram of a network device according to an embodiment of the present invention

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without 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: a Global System of Mobile Communication (GSM) system, a Code Division Multiple Access (CDMA) system, a wideband code division Multiple Access (Wideband Code Division Multiple Access, WCDMA) General Packet Radio Service (General Packet Radio Service, GPRS) system, Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Frequency Division Duplex, FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, and future 5G communication systems, etc.

The present disclosure describes various embodiments in conjunction with user equipment (User Equipment, UE). User equipment may communicate with one or more core networks via a Radio Access Network (RAN). User equipment may refer to terminal equipment, access terminals, subscriber units, subscriber stations, mobile stations, mobile stations, and remote stations. , remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user equipment. The access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a wireless communication function handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, user equipment in future 5G networks, etc.

The present disclosure describes various embodiments in conjunction with network equipment. The network device may be a base station, a station (station), or an access point (Access Point, AP). The base station may be a device for communicating with user equipment, for example, it may be a base station (Base Transceiver Station, BTS) in a GSM system or CDMA, or a base station (NodeB, NB) in a WCDMA system, or an LTE An evolved base station (Evolutional Node B, eNB or eNodeB) in the system, or the base station can be a relay station, an access point, a vehicle-mounted device, a wearable device, and a network-side device in a future 5G network.

FIG. 1 is a schematic diagram of a time-frequency resource form of an LTE system. The horizontal axis in FIG. 1 represents time, the vertical axis represents frequency, and the third dimension represents the code layer, as shown by different shades in FIG. 1 . The code layer may also be referred to as a code channel layer, or may be referred to as a resource layer.

In the prior art, when the UE transmits an uplink physical random access channel (Physical Random Access Channel, PRACH), it may randomly use a resource corresponding to a certain PRACH preamble sequence number in the time-frequency resource to transmit. However, this will cause the number of users accessing different time-frequency PRACH resource blocks to be unstable. Some access numbers are large, resulting in more conflicts, and some access numbers are small, resulting in fewer conflicts. Especially for small packets and large connection scenarios, each The number of access users varies greatly in time periods. Since there is no mechanism to resolve conflicts similar to PRACH contention, users who failed to access the last time will continue to compete with more and more new users for access next time, and fail again, eventually leading to Access congestion.

In the embodiment of the present invention, by dividing the resources into multiple time windows, the current resource allocation method for random transmission is improved, and the network device counts the accesses in a certain time period according to the number of random access requests. load, and dynamically instruct the user equipment to select appropriate resources for random transmission according to the load indication, which can improve the utilization rate of random transmission resources. The specific description of the embodiment of the present invention is shown in FIG. 2 below.

First, the concept of a time window is defined in the embodiment of the present invention, and a time window has a specified time length. For example, the length of a frame can be determined as a time window. Alternatively, for example, the length of 10 subframes may be determined as one time window. etc., the present invention is not limited to this.

At the same time, the embodiment of the present invention may predefine the number of resource blocks (Resource Block, RB) on the unit data channel resource, and the number of code division multiplexing resources on the unit data channel resource. Here, the number of RBs on the unit data channel resource may be expressed as m _RB , and the number of code division multiplexed resources on the unit data channel resource may be expressed as m _layer . It can be understood that each data channel includes m _RB RBs, and each data channel includes m _layer resources. The unit data channel resource may also be referred to as the unit resource of the data channel, for example, may be a resource element group (Resource Element Group, REG), and the resource element group may include at least one resource block. The number of resource blocks can be determined according to the protocol definition, which is not limited here.

This embodiment of the present invention may further predefine the load level relationship of the access request and the maximum value of the load level. Among them, the maximum value of the load level can be expressed as L _OI . Specifically, for the description of the load level relationship of the access request, please refer to the relevant description in S206 in FIG. 2 below.

In this embodiment of the present invention, a timing relationship may also be predefined, which is used to represent the difference between the UE receiving the load indication information and the time window during which the UE sends the uplink random access request signal. Specifically, for the description of the timing relationship, please refer to the related description in S208 in FIG. 2 below.

In this embodiment of the present invention, an offset may also be predefined, which is used to represent the difference between the time window during which the UE sends uplink data and the time window during which the UE sends the uplink random access request signal. Here, the offset can be represented as n _offset . Specifically, for the description of the offset, please refer to the relevant description in S212 in FIG. 2 below.

It should be noted that the "predefined" in this embodiment of the present invention may be pre-configured in the network device and the UE, or may be notified to the UE through high-layer signaling after the network device determines, which is not limited in this embodiment of the present invention.

FIG. 2 is a flowchart of a data transmission method according to an embodiment of the present invention. Network device 22 and UE 24 are shown in FIG. 2 . The method shown in Figure 2 includes the following steps:

S202: The network device 22 receives an uplink random access request signal sent by at least one UE.

Among them, at least one UE includes UE 24 .

Specifically, the network device 22 receives, within the first time window, an uplink random access request signal respectively sent by at least one UE.

For example, for the UE 24, before the UE 24 needs to send the uplink data to the network device 22, the uplink random access request signal may be sent to the network device 22 within the first time window.

Optionally, the uplink random access request signal may be a PRACH, or may also be a sounding reference signal (Sounding Reference Signal, SRS), which is not limited in this embodiment of the present invention.

S204, the network device 22 counts the number of uplink random access request signals received within the first time window.

Specifically, the number of at least one UE that sends an uplink random access request signal to the network device 22 within the first time window is counted.

It can be understood that in S204, the at least one UE includes UE 24.

For the sake of brevity, only the UE 24 is shown in FIG. 2 , and the processes performed by other UEs except the UE 24 in the at least one UE are similar to the processes performed by the UE 24, and are not described in detail here.

As an example, as shown in FIG. 3 , it is assumed that each time window includes 10 subframes. Then, the network device 22 may count the number of at least one UE within the first time window as shown in FIG. 3 . The upward arrow in FIG. 3 may represent the uplink random access request signal received by the network device 22 .

S206, the network device 22 determines load indication information according to the number of UEs counted in S204.

Specifically, the network device 22 may first obtain a predefined access request load level relationship; and determine the load level corresponding to the above number according to the access request load level relationship; further use the corresponding load level as the load Instructions.

Optionally, before S206 or even before S202, the access request load level relationship may be predefined. For example, the access request load level relationship may be pre-stored in the network device 22 .

The access request load level relationship includes a corresponding relationship between the number of accessed UEs and the load level, as shown in Table 1 as an example.

Table I

load class The number of connected user equipment 10 401-500 9 321-400 ..... 2 51-150 1 0-50

For example, if it is determined in S204 that the number of uplink random access request signals received within the first time window is 102, then by looking up the access request load level relationship, it can be determined that the load level is 2, and then it can be determined that S206 The load indication information in is 2. For example, the load indication information may be represented as l _OI , where l _OI =2.

In addition, the maximum value of the load level in the access request load level relationship can be represented as L _OI . For the access request load level relationship shown in Table 1, L _OI =10.

The maximum value of the load level is used to indicate the maximum value of the number of user equipments that can be carried by the total number of RBs of the uplink data channel. That is to say, when the number of accessed user equipments reaches the maximum load level, all RBs of the uplink data channel need to be used during uplink transmission.

It can be understood that, according to the predefined access request load level relationship, the maximum value of the load level can be obtained therefrom.

S208, the network device 22 sends the load indication information to the UE 24.

Understandably, the load indication information corresponds to the first time window. The load indication information is used to indicate the number of uplink random access request signals received by the network device 22 within the first time window. Alternatively, it can also be referred to as the load indication information is the load indication information within the first time window.

Optionally, the network device 22 may send the load indication information to at least one UE, where the at least one UE includes the at least one UE counted in S204.

Optionally, the network device 22 may send the load indication information in the form of broadcast.

Optionally, the network device 22 may send the load indication information through the downlink control channel. For example, the load indication information ₁₀₁ is carried by the downlink control channel. For example, the downlink control channel may send the load indication information by scrambling the OIRNTI related to the number of the first time window. The number of the first time window may be represented as n _w1 , that is, OIRNTI=n _w1 .

It can be understood that in S208, the network device 22 sends the load indication information at a certain time (eg, time t0) after the first time window.

Accordingly, the UE 24 should receive the load indication information at some point after the first time window.

Optionally, a timing relationship may be predefined, and the timing relationship is used to represent the difference between the downlink reception time when the load indication information is received and the first time window when the uplink random access request signal is sent. Wherein, the difference value may be a specific value or the difference value may be an interval.

Assuming that the end time of the first time window is marked as t1, if the difference represented by the timing relationship is Δt, the UE 24 can determine that the downlink reception time is t1+Δt, and then the UE 24 can receive the transmission from the network device 22 at the downlink reception time. load indication information.

Assuming that the end time of the first time window is marked as t1, if the difference represented by the timing relationship is Δt1˜Δt2, then the UE 24 can receive the data sent by the network device 22 at the downlink reception time, that is, the interval t1+Δt1˜t1+Δt2. Load indication information. That is to say, if the timing relationship represents an interval, the load indication information received by the UE at any time in the interval of the corresponding downlink reception time will be regarded as the load indication information of the first time window.

Assuming that the number of the last subframe of the first time window is n, if the difference represented by the timing relationship is k subframes, then the UE 24 can determine that the downlink reception moment is the n+k subframe, and the UE 24 is in the n+kth subframe. The subframe receives the load indication information sent by the network device 22 .

That is to say, the UE 24 may use the sum of the number of the last subframe in the first time window and the difference as the number of the subframe at the downlink reception time.

It should be noted that, as an example, k may be one value, or k may be a set of multiple values. If the value of k is a set of 1 to 5, then the UE 24 receives the load indication information in subframe intervals numbered n+1 to n+5.

In this way, by predefining the timing relationship, the UE 24 can know which time window the received load indication information is for.

If the UE 24 receives the load indication information sent by the network device 22 at time t1+Δt, the UE 24 may determine that the received load indication information is for the first time window according to the timing relationship. That is to say, what the UE 24 receives is the load indication information related to the uplink random access request signal sent by the UE 24 within the first time window from the network device 22 .

As an example, as shown in FIG. 3 , assuming that the timing relationship is equal to 5 subframes, the network device 22 may send the load indication information in the 5th subframe after the first time window.

On the other hand, if the UE 24 receives the load indication information sent by the network device 22 at time t2, then the UE 24 determines the corresponding time window (assuming the time window n _w0 ) according to the timing relationship, but the UE 24 is within the time window n _w0 No uplink random access request signal is sent, then the UE 24 can discard the load indication information received at time t2.

S210, the UE 24 determines a first time window for sending the uplink random access request signal.

Here, the first time window refers to the time window in which the UE 24 sends the uplink random access request signal.

It should be noted that step S210 and S202 can be performed simultaneously, that is, the UE 24 can determine the first time window while sending the uplink random access request signal. Alternatively, step S210 can also be performed after S202, for example, before or after S208. This embodiment of the present invention is not limited to this.

S212, the UE 24 determines a second time window according to the first time window, where the second time window is used for subsequent transmission of uplink data.

Specifically, the UE 24 may determine the second time window according to the first time window and the predefined offset.

Optionally, the sum of the number of the first time window and the offset may be determined as the number of the second time window. That is, the UE 24 may determine that the time window of the uplink data (ie, the second time window) is numbered as n _data =n _w1 +n _offset . Wherein, n _offset may represent an offset pre-configured at the UE 24 .

As an example, as shown in FIG. 3, assuming that the offset is equal to 2, the UE 24 may determine that the second time window is the second time window after the first time window.

In this way, after S212, the UE 24 may determine the quantity of the available resources within the second time window according to the load indication information. Specifically, the process may include the following S214 and S216.

S214, the UE 24 determines the number of available RBs within the second time window.

Specifically, the UE 24 may determine the number of available RBs in the second time window according to the load indication information received in S208 and the maximum value of the predefined load level.

Here, the available RBs represent the RBs that can be used by the user equipment for subsequent uplink transmission.

Wherein, as described in the above step S206, the load indication information may be expressed as 1 _OI , and the maximum value of the load level may be expressed as L _OI .

那么步骤S214可以包括：If the number of available RBs in the second time window is expressed as

Then step S214 may include:

Calculated using the following formula

That is, the UE 24 may determine the number of available RBs in the second time window by taking the ratio of the load indication information to the maximum value of the load level as a percentage.

Wherein, M _RB represents the total number of RBs in the uplink data channel within the second time window.

所对应的可用资源。也就是说，表示可以用于用户设备进行上行传输的RB的资源。As an example, the shaded part in the second time window in FIG. 3 can represent

corresponding available resources. That is to say, it indicates the resources of RBs that can be used for uplink transmission by the user equipment.

It can be understood that, before step S214, the UE 24 may receive the value of the M _RB sent by the network device 22.

Optionally, in this embodiment of the present invention, before S202, the following steps may be included:

The network device 22 sends a broadcast information system information block (System Information Block, SIB), the broadcast information SIB includes the resource information of the uplink data channel, and the resource information includes the information of the total number of RBs and the total number of available subframes. information. In addition, the resource information may further include number information of the total RBs and number information of the total available subframes.

That is to say, the network device 22 transmits the SIB in the form of broadcast, which is used to indicate the resource allocation information of the uplink data channel in each time window. The total number of RBs included in the resource information may be represented as M _RB , and the total number of available subframes included in the resource information may be represented as M _sf . And, where M _RB is an integer multiple of m _RB .

之后，用户设备可以基于该可用RB的数量确定发送资源，并在发送资源上进行上行数据的传输。本发明实施例无需在总的RB的数量的时频资源上由用户设备进行竞争发送，在可用RB的数量的时频资源上进行上行传输，这样其他的资源可以由网络设备用于其他的通信用途，从而能够提高资源的利用率。In the embodiment of the present invention, the network device determines the load indication information in the first time window according to the number of random access user equipments in the first time window, and sends the load indication information in the form of broadcast. The user equipment determines the number of available RBs in the second time window based on the received load indication information, that is,

After that, the user equipment may determine the sending resource based on the number of the available RBs, and perform uplink data transmission on the sending resource. In this embodiment of the present invention, there is no need for the user equipment to compete for transmission on the time-frequency resources of the total number of RBs, and uplink transmission is performed on the time-frequency resources of the number of available RBs, so that other resources can be used by the network equipment for other communications use, so as to improve the utilization of resources.

S216, the UE 24 determines available resources within the second time window.

In this embodiment of the present invention, the available resources may include at least one of time resources, frequency resources, and code resources, for example, may include multiple subframes, RBs, code channels, and may include multiplexing resources of multiple dimensions.

Specifically, the UE 24 may determine the number of available resources according to the number of available RBs determined at S214.

If the number of available resources in the second time window is represented as Layer _nw , then step S216 may include:

Layer _nw is calculated using the following formula:

Wherein, m _RB represents the number of RBs on the unit data channel resource, and m _layer represents the number of code division multiplexing resources on the unit data channel resource.

Among them, the numbering arrangement of the available resources in the first time window can be determined as:

idx _sf =0,...,M _sf -1;

idx _layer = 0,...,m _layer-1 ;

个RB资源编号可以为所有可用RB资源中编号最小的

个RB资源，也可以为编号最大的

个RB资源，还可以是根据其他规则确定的

个RB资源，具体规则可以根据系统要求或协议定义确定，在此不予限定。Also, here

The number of RB resources can be the lowest number among all available RB resources

RB resources, which can also be the largest numbered

RB resources, which can also be determined according to other rules

RB resources, and the specific rules can be determined according to system requirements or protocol definitions, which are not limited here.

S218, the UE 24 selects a transmission resource from the available resources.

The sending resources refer to resources used for sending data, and may include at least one of time resources, frequency resources, and code resources.

Optionally, the UE 24 may randomly select any resource from the available resources determined in S216 as the transmission resource.

Optionally, the UE 24 may first calculate the modulo of the UE 24's identity (Identity, ID) and the number of available resources, and then use the resource whose number is equal to the value of the modulo operation as the transmission resource.

For example, assuming that the ID of the UE 24 is N1, the resource numbered mod(N1, Layer _nw ) can be used as the transmission resource.

Alternatively, the UE 24 may also use other methods to select the transmission resources, which will not be listed one by one here.

S220, the UE 24 sends the uplink data to the network device 22 on the sending resource.

It can be understood that, for at least one UE counted by the network device 22 in S204, each UE may perform a process similar to that of the UE 24.

That is to say, the network device 22 may receive the uplink data respectively sent by the at least one UE within the second time window. Specifically, the network device 22 may receive, within the second time window, uplink data respectively sent by at least one UE on the respective determined sending resources.

It should be understood that, referring to FIG. 3 , the time window between the first time window and the second time window can be used as the next first time window to perform each process of the foregoing method, which is not repeated here to avoid repetition.

In the embodiment of the present invention, the network side (ie, network device) determines the random access request load in the first time window by counting the synchronization signals or channels sent by random access users in the first time window, and uses the load indication information sent as a broadcast. The user side determines the available resources of the data channel in the second time window based on the received random access load indication information, and each user determines the transmission resources of the data channel according to its own user number (ie ID). Since different user equipments have different IDs, different user equipments will select different resources to send uplink data, which can avoid conflicts between multiple UEs, thereby reducing retransmissions caused by transmission failures, thereby improving transmission reliability. efficiency.

As shown in FIG. 4 , different UEs can select different sending resources to send uplink data to the network device, which can avoid conflicts between them. Different shading (grayscale) in Figure 4 represents different transmission resources. Wherein, different transmission resources refer to different at least one of time resources, frequency resources and code resources.

In this way, based on a synchronous large connection scenario, as the number of random access requests within a unit time window changes, dynamic data channel resources are allocated for data channel transmission of random access users within the unit time window. This dynamic allocation method of random access resources for data channels can ensure that the allocated resources match the number of user equipments, and improve the utilization rate of resources under the condition of ensuring communication quality. In addition, different user equipments can randomly select the transmission resources for sending uplink data. Although different user equipments have a certain probability to select the same transmission resource, the way of randomly selecting the transmission resources by the UE can maintain a stable collision probability and does not It will lead to a sudden increase in the probability of collision in certain time periods, so that communication congestion can be avoided.

FIG. 5 is a structural block diagram of a user equipment according to an embodiment of the present invention. The UE 50 shown in FIG. 5 includes: a receiving unit 52 , a processing unit 54 and a sending unit 56 .

The sending unit 56 is configured to send the uplink random access request signal to the network device within the first time window.

The receiving unit 52 is configured to receive load indication information related to the uplink random access request signal from the network device.

The processing unit 54 is configured to determine a second time window according to the first time window, and the second time window is used for subsequent transmission of uplink data; and determine the second time according to the load indication information received by the receiving unit 52 the total available resources within the window; and select a transmission resource from the total available resources.

The sending unit 56 is further configured to send the uplink data to the network device on the sending resource selected by the processing unit 54 .

It can be understood that, in this embodiment of the present invention, the time resource may be divided into multiple time windows.

Here, the uplink random access request signal may be PRACH or SRS.

It should be noted that the network device not only receives the uplink random access request signal sent by the UE 50 within the first time window, but also receives uplink random access request signals sent by other UEs within the first time window. The load indication information is determined by the network device according to the number of uplink random access request signals received within the first time window.

It can be seen that in this embodiment of the present invention, the user equipment sends an uplink random access signal to the network device within the first time window, and then receives load indication information corresponding to the uplink random access request signal from the network device. The information determines the sending resource within the second time window, and further, the user equipment may send the uplink data corresponding to the uplink random access signal to the network device on the sending resource within the second time window. This ensures the transmission of uplink data.

Optionally, the processing unit 54 is further configured to determine the downlink reception time according to the first time window and the timing relationship. The receiving unit 52 is specifically configured to receive the load indication information related to the uplink random access request signal from the network device in the downlink receiving time window at which the downlink receiving moment determined by the processing unit 54 is located. The timing relationship is used to represent the difference between the downlink receiving moment and the first time window.

Optionally, as an embodiment, the processing unit 54 is specifically configured to: use the sum of the number of the last subframe of the first time window and the difference as the number of the subframe at the downlink reception moment .

The processing unit 54 may be configured to: determine the second time window according to the first time window and a predefined offset.

The processing unit 54 may be configured to: determine the number of available RBs in the second time window according to the load indication information and the maximum value of a predefined load level; determine the second number of available RBs according to the number of available RBs The total amount of available resources within the time window.

The processing unit 54 may be configured to: determine the number of available RBs as:

表示所述第二时间窗内的所述可用RB的数量，l_OI表示所述负载指示信息，L_OI表示所述预定义的负载等级的最大值，M_RB表示所述第二时间窗内的的上行数据信道的总的RB的数量。in,

Indicates the number of the available RBs in the second time window, _{10I represents the load indication information, L0I represents} the maximum value of the predefined load level, and M _RB represents the number of available RBs in the second time window. The total number of RBs of the uplink data channel.

The M _RB may be delivered by a network device.

Further, the processing unit 54 may be configured to: determine the total number of available resources within the second time window as:

Wherein, Layer _nw represents the total number of available resources in the second time window, M _sf represents the total number of available subframes of the uplink data channel in the second time window, and m _RB represents a predefined The number of RBs on the unit data channel resources of , and m _layer represents the number of code division multiplexing resources on the predefined unit data channel resources.

Wherein, the M _sf and the M _RB may be received by the UE 50 from the network device in advance. Correspondingly, the receiving unit 52 can also be used for:

Receive the broadcast information system information block SIB from the network device, the broadcast information SIB includes the resource information of the uplink data channel, the resource information includes the information of the total number and number of RBs, and the total number of available subframes and number information.

The processing unit 54 is specifically configured to: randomly select one resource from the total available resources as the sending resource. Or, the processing unit 54 is specifically configured to: use the resource numbered by the modulo operation of the identification ID of the user equipment and the total number of available resources as the sending resource.

之后，用户设备可以根据该可用RB的数量选择发送资源，并在发送资源上进行上行数据的传输。本发明实施例无需在总的RB的数量的时频资源上由用户设备进行竞争发送，在可用RB的数量的时频资源上进行上行传输，这样其他的时频资源可以由网络设备用于其他的通信用途，从而能够提高资源的利用率。每个用户设备根据自己的ID确定发送资源，由于不同的用户设备具有不同的ID，从而不同的用户设备会选择不同的发送资源发送上行数据，这样能够避免多个UE之间的冲突，进而减少由于传输失败导致的重传，从而能够提高传输的效率。In the embodiment of the present invention, the network device determines the load indication information in the first time window according to the number of random access user equipments in the first time window, and sends the load indication information in the form of broadcast. The user equipment determines the number of available RBs in the second time window based on the received load indication information, that is,

Afterwards, the user equipment may select a transmission resource according to the number of the available RBs, and perform uplink data transmission on the transmission resource. In this embodiment of the present invention, there is no need for the user equipment to compete for transmission on the time-frequency resources of the total number of RBs, and uplink transmission is performed on the time-frequency resources of the number of available RBs, so that other time-frequency resources can be used by the network equipment for other communication purposes, so as to improve the utilization of resources. Each user equipment determines the sending resource according to its own ID. Since different user equipments have different IDs, different user equipments will select different sending resources to send uplink data, which can avoid conflicts between multiple UEs, thereby reducing Due to the retransmission caused by the transmission failure, the transmission efficiency can be improved.

It should be noted that in this embodiment of the present invention, the receiving unit 52 may be implemented by a receiver, the processing unit 54 may be implemented by a processor, and the sending unit 56 may be implemented by a transmitter. As shown in FIG. 6 , the user equipment 60 may include a processor 610 , a receiver 620 , a transmitter 630 and a memory 640 . Wherein, the memory 640 may be used to store the timing relationship, the maximum value of the load level, the offset, etc., and may also be used to store the code executed by the processor 610 and the like.

Various components in the user equipment 60 are coupled together through a bus system 650, wherein the bus system 650 includes a power bus, a control bus and a status signal bus in addition to a data bus.

The user equipment 50 shown in FIG. 5 or the user equipment 60 shown in FIG. 6 can implement each process implemented by the UE in the foregoing method embodiment of FIG. 2 , which is not repeated here to avoid repetition.

It should be noted that the above method embodiments of the present invention may be applied to a processor, or implemented by a processor. A processor may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software. The above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (FieldProgrammable Gate Array, FPGA) or other programmable Logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present invention may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art. The storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.

It can be understood that the memory in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Wherein, the non-volatile memory may be Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (Erasable PROM, EPROM), Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (SynchLink DRAM, SLDRAM) And direct memory bus random access memory (DirectRambus RAM, DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but not be limited to, these and any other suitable types of memory.

FIG. 7 is a structural block diagram of a network device according to an embodiment of the present invention. The network device 70 shown in FIG. 7 includes a receiving unit 72 , a processing unit 74 and a sending unit 76 .

The receiving unit 72 is configured to receive an uplink random access request signal from at least one user equipment within the first time window.

The processing unit 74 is configured to determine the load indication information according to the number of uplink random access request signals received by the receiving unit 72 within the first time window.

The sending unit 76 is configured to send the load indication information determined by the processing unit 74 to the at least one user equipment, where the load indication information is used for the at least one user equipment within the second time window for respectively sending uplink data. Send resource determination.

The receiving unit 72 is further configured to receive, in the second time window, uplink data respectively sent by the multiple user equipments on the respective determined sending resources.

The uplink random access request signal received by the receiving unit 72 may be PRACH or SRS.

The load indication information received by a certain user equipment is the load indication information related to the uplink random access request signal sent by the user equipment. The load indication information may be used by the user equipment to respectively determine the sending resources of the second time window for sending the uplink data.

Optionally, as an embodiment, the processing unit 74 is specifically configured to: acquire a predefined access request load level relationship; and determine the number corresponding to the uplink random access request signal according to the access request load level relationship the load level; take the corresponding load level as the load indication information.

The sending unit 76 is further configured to send broadcast information SIB, where the broadcast information SIB includes resource information of the uplink data channel, and the resource information includes the number and number of available RBs, and the number and number of available subframes.

In the embodiment of the present invention, the network device determines the random access request load in the first time window by counting the synchronization signals or channels sent by the random access users in the first time window, and sends the load indication information in the form of broadcast . Based on the received random access load indication information, the UE determines the random transmission resources of the data channel in the second time window, and consecutively numbers the resources of the data channel in the second time window, and each user determines the data according to its own user number. The transmission resources of the channel. In this way, collision among multiple UEs can be avoided, thereby improving transmission efficiency.

It should be noted that in this embodiment of the present invention, the receiving unit 72 may be implemented by a receiver, the processing unit 74 may be implemented by a processor, and the sending unit 76 may be implemented by a transmitter. As shown in FIG. 8 , the network device 80 may include a processor 810 , a receiver 820 , a transmitter 830 and a memory 840 . Wherein, the memory 840 may be used to store the load level relationship of the access request, etc., and may also be used to store the code executed by the processor 810 and the like.

Various components in the network device 70 are coupled together through a bus system 850, wherein the bus system 850 includes a power bus, a control bus and a status signal bus in addition to a data bus.

The network device 70 shown in FIG. 7 or the network device 80 shown in FIG. 8 can implement each process implemented by the network device in the foregoing method embodiment of FIG. 2 , which is not repeated here to avoid repetition.

It should be noted that the above method embodiments of the present invention may be applied to a processor, or implemented by a processor. A processor may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software. The aforementioned processors may be general purpose processors, DSPs, ASICs, FPGAs or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. Various methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present invention may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art. The storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.

It can be understood that the memory in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory may be ROM, PROM, EPROM, EEPROM or flash memory. Volatile memory can be RAM, which acts as an external cache. By way of example and not limitation, many forms of RAM are available, such as SRAM, DRAM, SDRAM, DDR SDRAM, ESDRAM, SLDRAM, and DR RAM. It should be noted that the memory of the systems and methods described herein is intended to include, but not be limited to, these and any other suitable types of memory.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the embodiments of the present invention.

Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working process of the above-described systems, devices and units may refer to the corresponding processes 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 system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

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

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium. Based on this understanding, the technical solutions of the embodiments of the present invention are essentially, or the parts that make contributions to the prior art or the parts of the technical solutions can be embodied in the form of software products, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (16)

1. A method of data transmission, comprising:

the user equipment sends an uplink random access request signal to the network equipment in a first time window;

the user equipment receives load indication information related to the uplink random access request signal from the network equipment;

the user equipment determines a second time window according to the first time window, wherein the second time window is used for subsequently sending uplink data;

the user equipment determines the total available resources in the second time window according to the load indication information;

the user equipment selects a transmission resource from the total available resources;

and the user equipment sends the uplink data to the network equipment on the sending resource.

2. The method of claim 1, wherein the receiving load indication information related to the uplink random access request signal from the network device comprises:

determining a downlink receiving time according to the first time window and the timing relation;

receiving the load indication information related to the uplink random access request signal from the network equipment in a downlink receiving time window where the downlink receiving time is located;

wherein the timing relationship is used to represent a difference between the downlink receiving time and the first time window.

3. The method of claim 2, wherein the determining the downlink receiving time comprises:

and taking the sum of the number of the last subframe of the first time window and the difference as the number of the subframe at the downlink receiving moment.

4. The method of any of claims 1 to 3, wherein determining a second time window from the first time window comprises:

determining the second time window according to the first time window and a predefined offset.

5. The method of any of claims 1 to 3, wherein the determining the total available resources within the second time window comprises:

according to the maximum value of the load indication information and a predefined load level, determining the number of available Resource Blocks (RBs) in the second time window as:

determining, according to the number of available RBs, the number of available resources in the second time window as:

wherein,

representing the number of available RBs, l, within the second time window_OIRepresenting said load indication information, L_OIRepresents a maximum value, M, of said predefined load level_RBRepresenting the total number of RBs, Layer, of the uplink data channel within the second time window_nwRepresenting the total amount of available resources, M, within the second time window_sfRepresenting the total number of available subframes, m, of the uplink data channel in the second time window_RBRepresenting the number of RBs, m, on a predefined unit data channel resource_layerIndicating the number of resources of the code division multiplex on a predefined unit data channel resource.

6. The method of claim 5, further comprising, prior to the method:

receiving a broadcast information System Information Block (SIB) from the network device, wherein the SIB includes resource information of the uplink data channel, and the resource information includes information of the number and number of total RBs and information of the number and number of total available subframes.

7. The method according to any of claims 1 to 3 or 6, wherein said selecting transmission resources from said total available resources comprises:

randomly selecting one resource from the total available resources as the transmission resource;

or,

and taking the resource numbered as the resource of the modulo operation of the identification ID of the user equipment and the total available resource quantity as the sending resource.

8. A method of data transmission, comprising:

the network equipment receives an uplink random access request signal from at least one user equipment in a first time window;

the network equipment determines load indication information according to the number of the uplink random access request signals received in the first time window;

the network device sends the load indication information to the at least one user device, wherein the load indication information is used for determining sending resources in second time windows of the at least one user device for respectively sending uplink data;

and the network equipment receives uplink data which are respectively sent on the determined sending resources from the at least one user equipment in the second time window.

9. The method of claim 8, wherein the determining the load indication information comprises:

acquiring a predefined access request load level relation;

determining load grades corresponding to the number of the uplink random access request signals according to the access request load grade relation;

and taking the corresponding load grade as the load indication information.

10. A user device, comprising:

a sending unit, configured to send an uplink random access request signal to a network device within a first time window;

a receiving unit, configured to receive load indication information related to the uplink random access request signal from the network device;

a processing unit, configured to determine a second time window according to the first time window, where the second time window is used for subsequently sending uplink data; determining total available resources in the second time window according to the load indication information received by the receiving unit; and selecting a transmission resource from the total available resources;

the sending unit is further configured to send the uplink data to the network device on the sending resource selected by the processing unit.

11. The user equipment of claim 10,

the processing unit is further configured to determine a downlink receiving time according to the first time window and the timing relationship;

the receiving unit is specifically configured to receive the load indication information related to the uplink random access request signal from the network device in a downlink receiving time window where the downlink receiving time determined by the processing unit is located;

wherein the timing relationship is used to represent a difference between the downlink receiving time and the first time window.

12. The ue of claim 11, wherein the processing unit is specifically configured to:

and taking the sum of the number of the last subframe of the first time window and the difference as the number of the subframe at the downlink receiving moment.

13. The ue of any one of claims 10 to 12, wherein the processing unit is specifically configured to:

according to the maximum value of the load indication information and a predefined load level, determining the number of available Resource Blocks (RBs) in the second time window as:

determining, according to the number of available RBs, the number of available resources in the second time window as:

wherein,

representing the number of available RBs, l, within the second time window_OIRepresenting said load indication information, L_OIRepresents a maximum value, M, of said predefined load level_RBRepresenting the total number of RBs, Layer, of the uplink data channel within the second time window_nwRepresenting the total amount of available resources, M, within the second time window_sfRepresenting the post within the second time windowTotal number of available subframes, m, of the uplink data channel_RBRepresenting the number of RBs, m, on a predefined unit data channel resource_layerIndicating the number of resources of the code division multiplex on a predefined unit data channel resource.

14. The ue of any one of claims 10 to 12, wherein the processing unit is specifically configured to:

randomly selecting one resource from the total available resources as the transmission resource;

or,

and taking the resource numbered as the resource of the modulo operation of the identification ID of the user equipment and the total available resource quantity as the sending resource.

15. A network device, comprising:

a receiving unit, configured to receive an uplink random access request signal from at least one user equipment within a first time window;

a processing unit, configured to determine load indication information according to the number of the uplink random access request signals received by the receiving unit in the first time window;

a sending unit, configured to send the load indication information determined by the processing unit to the at least one ue, where the load indication information is used to determine sending resources in second time windows of the at least one ue, where the second time windows are used for sending uplink data, respectively;

the receiving unit is further configured to receive, in the second time window, uplink data from the at least one user equipment that is respectively sent on the respective determined sending resources.

16. The network device according to claim 15, wherein the processing unit is specifically configured to:

acquiring a predefined access request load level relation;

determining load grades corresponding to the number of the uplink random access request signals according to the access request load grade relation;

and taking the corresponding load grade as the load indication information.

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