WO2019134644A1

WO2019134644A1 - Data transmission method and user terminal

Info

Publication number: WO2019134644A1
Application number: PCT/CN2019/070071
Authority: WO
Inventors: 金巴
Original assignee: 维沃移动通信有限公司
Priority date: 2018-01-08
Filing date: 2019-01-02
Publication date: 2019-07-11
Also published as: CN110022567A; CN110022567B

Abstract

The present disclosure provides a data transmission method and user terminal, the method comprising: if a user terminal in an inactive state breaks off data transmission, initiating a radio resource control (RRC) resume process; if the RRC resume process is successful, entering an inactive state and performing data transmission; and if the RRC resume process fails, initiating an RRC re-establishment process.

Description

Data transmission method and user terminal

Cross-reference to related applications

The present application claims priority to Chinese Patent Application No. 20181001651, filed on Jan. 8, s.

Technical field

The present disclosure relates to the field of communications technologies, and in particular, to a data transmission method and a user terminal.

Background technique

Fifth Generation (5 ^th generation, 5G) communication system, a user terminal state except the idle state (RRC idle state) and the connected state (RRC connected state), but also introduces a new non-active state (RRC inactive state). However, the current data transmission in the inactive state is mainly completed by the Radio Resource Control (RRC) recovery process. Specifically, the message (MSG) 3 of the RRC recovery resume process carries uplink data to implement data transmission. However, in practical applications, there may be a coverage vulnerability or a poor cell signal. In these cases, the RRC resume process may not be completely implemented, and thus the data transmission performance of the user terminal is relatively poor.

Summary of the invention

The embodiments of the present disclosure provide a data transmission method and a user terminal to solve the problem that the data transmission performance of the user terminal is relatively poor.

In order to solve the above technical problem, the present disclosure is implemented as follows: a data transmission method, which is applied to a user terminal, and includes:

If the cell signal strength is less than a preset first threshold or enters a cell coverage vulnerability, cell signal strength monitoring is performed;

If the data transmission interruption of the user terminal in the inactive state, initiate a Radio Resource Control (RRC) recovery process;

If the RRC resume process is successful, enter an inactive state and perform data transmission;

If the RRC resume process fails, an RRC reestablishment procedure is initiated.

In a first aspect, an embodiment of the present disclosure further provides a data transmission method, which is applied to a user terminal, where

If the data transmission interruption of the user terminal in the inactive state, the RRC resume process is initiated;

If the RRC resume process fails, an RRC reestablishment procedure is initiated.

In a second aspect, an embodiment of the present disclosure provides a user terminal, including:

a first initiating module, configured to initiate an RRC resume process if the user terminal is interrupted in data transmission in an inactive state;

a first transmission module, configured to enter an inactive state and perform data transmission if the RRC resume process is successful;

The second initiating module is configured to initiate an RRC re-establishment process if the RRC resume process fails.

In a third aspect, an embodiment of the present disclosure provides a user terminal, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is used by the processor The steps in the data transmission method provided by the present disclosure are implemented at the time of execution.

In a fourth aspect, an embodiment of the present disclosure provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by a processor, the data transmission method provided by the present disclosure is implemented. step.

In the embodiment of the present disclosure, if the data transmission of the user terminal is interrupted in the inactive state, the radio resource control RRC resumes the resume process; if the RRC resume process succeeds, the inactive state is entered, and data transmission is performed; If the RRC resume process fails, an RRC reestablishment procedure is initiated. In this way, data transmission in the inactive state can be implemented. If the RRC resume process fails, the RRC re-establishment process is initiated, thereby improving the data transmission performance of the user terminal.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings used in the description of the embodiments of the present disclosure will be briefly described. It is obvious that the drawings in the following description are only some embodiments of the present disclosure. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

FIG. 1 is a structural diagram of a data transmission system according to an embodiment of the present disclosure;

2 is a flowchart of a data transmission method according to an embodiment of the present disclosure;

FIG. 3 is a flowchart of another data transmission method according to an embodiment of the present disclosure;

4 is a flowchart of another data transmission method according to an embodiment of the present disclosure;

FIG. 5 is a structural diagram of a user terminal according to an embodiment of the present disclosure;

FIG. 6 is a structural diagram of another user terminal according to an embodiment of the present disclosure;

FIG. 7 is a structural diagram of another user terminal according to an embodiment of the present disclosure;

FIG. 8 is a structural diagram of another user terminal according to an embodiment of the present disclosure;

FIG. 9 is a structural diagram of another user terminal according to an embodiment of the present disclosure;

FIG. 10 is a structural diagram of another user terminal according to an embodiment of the present disclosure;

FIG. 11 is a structural diagram of another user terminal according to an embodiment of the present disclosure.

Detailed ways

The technical solutions in the embodiments of the present disclosure are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present disclosure. It is obvious that the described embodiments are a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present disclosure without departing from the inventive scope are the scope of the disclosure.

Referring to FIG. 1 , FIG. 1 is a structural diagram of a system for processing a radio link failure according to an embodiment of the present disclosure. As shown in FIG. 1 , the user terminal 11 and the network node 12 are included, where the user terminal 11 may be a UE. (User Equipment), for example: mobile phone, tablet personal computer, laptop computer, personal digital assistant (PDA), mobile Internet device (MID) Or a terminal device such as a wearable device, it should be noted that the specific type of the user terminal 11 is not limited in the embodiment of the present disclosure. The network node 12 may be a base station (eg, gNB, 5G NR NB) in a 5G network, or the network node 12 may be a base station (eg, an eNB, an eLTE NB) in a 4G network. It should be noted that the specific type of the network node 12 is not limited in the embodiment of the present disclosure.

Referring to FIG. 2, FIG. 2 is a flowchart of a data transmission method according to an embodiment of the present disclosure. The method is applied to a user terminal. As shown in FIG. 2, the method includes the following steps:

Step 201: If the data transmission of the user terminal is interrupted in the inactive state, the RRC resume process is initiated.

The step 201 may be that the data transmission interruption occurs in the data transmission process of the user terminal in the inactive state, after which the user terminal may initiate an RRC resume process, or the user terminal may be interrupted in the inactive state. Initiate an RRC resume process. Through step 201, it is effectively restored to the inactive state as soon as possible to perform data transmission, thereby improving the data transmission performance of the user terminal.

In addition, the reason for the above data transmission interruption includes, but is not limited to, the signal strength (SS) of the cell is weak, for example, the cell signal strength is less than a certain preset threshold, or the user terminal enters a cell coverage vulnerability and other cell signal causes. Data transfer is interrupted.

In addition, the foregoing RRC resume process may be initiated in the original cell. For example, when the cell signal strength of a cell is weak, the user terminal measures the signal strength of the cell, and if the cell signal strength of the cell becomes strong, the The cell initiates an RRC resume process. Alternatively, the user terminal may move the access coverage vulnerability from a cell, so that the coverage is restored to another cell, and the cell signal strength of the cell is strong, and the RRC resume process may be initiated in the cell.

It should be noted that the above data transmission interruption can be understood as a case where data transmission failure or data transmission abnormality or the like is not successful.

Step 202: If the RRC resume process is successful, enter an inactive state and perform data transmission.

Wherein, the data transmission may be continued from the interruption of the data transmission of the user terminal, wherein the data transmission interruption may be because the cell signal strength is lower than a preset first threshold, or the data transmission caused by the coverage hole is transmitted. Interrupted. Therefore, through step 202, the user terminal can ensure that the data is continuously transmitted in time to improve the data transmission performance of the user terminal.

Step 203: If the RRC resume process fails, initiate an RRC re-establishment process.

In this step, if the RRC resume process is performed, the RRC re-establishment process may be initiated to access the connection state for data transmission, thereby improving data transmission performance of the user terminal.

It should be noted that the foregoing method may be applied to a 5G communication system, or a 4G communication system (for example, an eLTE communication system). Of course, it is not limited thereto, for example, it may be applied to a 6G communication system or the like.

Referring to FIG. 3, FIG. 3 is a flowchart of another data transmission method according to an embodiment of the present disclosure. The method is applied to a user terminal. As shown in FIG. 3, the method includes the following steps:

Step 301: If the data transmission of the user terminal is interrupted in the inactive state, the RRC resume process is initiated when the cell signal strength of the first cell is measured to be greater than or equal to the preset first threshold.

The first cell may be a cell that is entered when the user terminal interrupts data transmission in an inactive state. For example, when the user terminal performs data transmission in an inactive state, the cell signal strength of the cell is weak, and the data transmission is interrupted. After that, the user terminal can measure the signal strength of the cell, if the cell signal strength of the cell is greater than or Equal to the preset first threshold, the RRC resume process can be initiated.

Of course, in this embodiment, the first cell may not be a cell that the user terminal enters when the data transmission is interrupted in the inactive state, for example, the first cell may also be the data transmission interruption of the user terminal in the inactive state. The neighboring cell of the cell that entered.

Step 302: If the RRC resume process is successful, enter an inactive state and perform data transmission.

Step 301 and step 302 can be implemented. When the user terminal measures that the cell signal strength of the first cell is greater than or equal to the preset first threshold, the user terminal quickly recovers to the inactive state, thereby improving the data of the user terminal. Transmission performance.

Step 303: If the RRC resume process fails, initiate an RRC reestablishment process.

As an optional implementation manner, if the data transmission of the user terminal is interrupted in the inactive state, if the cell signal strength of the first cell is greater than or equal to the preset first threshold, the RRC resume is initiated. Process, including:

Monitoring the cell signal strength of the first cell if the data transmission of the user terminal is interrupted in the inactive state;

If the cell signal strength of the first cell is less than or equal to a preset second threshold, start a first timer, and perform cell measurement on the first cell;

If the cell signal strength of the first cell is greater than or equal to a preset first threshold before the first timer expires, an RRC resume process is initiated;

The preset first threshold is greater than the preset second threshold.

The first timer may be pre-configured to the user terminal by the network side, for example, may be sent to the user terminal by using RRC signaling or proprietary signaling. Of course, this is not limited, for example, it may be pre-agreed by the protocol, or preset by the user terminal, and the like.

The preset first threshold value and the preset second threshold value may be pre-configured to the user terminal by the network side, for example, may be sent to the user terminal by using RRC signaling or proprietary signaling. Of course, this is not limited, for example, it may be pre-agreed by the protocol, or preset by the user terminal, and the like.

The implementation may be implemented, if the cell signal strength of the first cell is less than a preset second threshold, start a first timer, and perform cell measurement on the first cell, if the timer is valid. During the time, the user terminal measures that the cell signal strength of the first cell becomes stronger, and the cell signal strength is less than the preset first threshold to be greater than or equal to the preset second threshold, and the user terminal can directly initiate the RRC resume process. In this way, the user terminal can be quickly restored to the inactive state to further improve the data transmission performance of the user terminal.

Optionally, in this implementation manner, if the RRC resume process fails, the RRC re-establishment process is initiated, including:

If the first timer expires, the RRC resume process fails, the second timer is started, and an RRC re-establishment process is initiated within the valid time of the second timer.

The second timer may be pre-configured to the user terminal by the network side, for example, may be sent to the user terminal by using RRC signaling or proprietary signaling. Of course, this is not limited, for example, it may be pre-agreed by the protocol, or preset by the user terminal, and the like.

The foregoing process of initiating the RRC re-establishment in the valid time of the second timer may be: when the second timer is started, the RRC re-establishment process is initiated until the RRC re-establishment process succeeds, or the second timer expires, so that Before the timer expires, the user terminal may initiate an RRC re-establishment process multiple times to improve the success rate of the access. The RRC re-establishment process may be initiated in the effective time of the second timer, and the RRC re-establishment process may be initiated in the effective time of the second timer. The maximum number of initiations may be configured on the network side, or the user may be configured. The terminal is preset and so on.

As an optional implementation manner, after the RRC resuming process fails, after the RRC re-establishment process is initiated, the method further includes:

If the RRC re-establishment process is successful, enter a connected state, and perform data transmission in a connected state; or

If the RRC re-establishment process is successful, the connection state is entered, and if the indication information sent by the network side to enter the inactive state is received in the connected state, the inactive state is entered, and data transmission is performed.

In this implementation manner, if the RRC re-establishment process succeeds, the connection state is entered, and data transmission is performed in the connected state to improve data transmission performance of the user terminal.

In addition, after entering the connected state, if the indication information sent by the network side to enter the inactive state is received in the connected state, the inactive state may be entered and the data transmission may be performed, so that the state transition can be flexibly performed, and both can be performed. Data transfer.

If the RRC reestablishment process fails, entering an idle state;

If the third cell with the cell signal strength greater than or equal to the preset third threshold is detected in the idle state, and the third cell is not in the RAN notification area (RNA) or access of the user terminal In the RAN paging area (RPA), an RRC connection establishment process is initiated;

If the third cell in which the cell signal strength is greater than or equal to the preset third threshold is detected in the idle state, and the third cell is in the RNA or RPA of the user terminal, and the user terminal further retains the The context information of the user terminal initiates an RRC resume process.

The above-mentioned RNA or RPA may be RNA or RPA pre-recorded by the user terminal, or RNA or RPA configured in advance on the network side for the user terminal, and the like, which is not limited in this embodiment.

If the RRC re-establishment process fails, the idle state may be that if the user terminal RRC re-establishment process fails once, the idle state is entered, or the user terminal RRC re-establishment process fails the preset number of times, and then enters the idle state. Of course, if the RRC resume process fails and the user terminal starts the second timer, the RRC re-establishment process fails, and the idle state may be entered. If the second timer expires and the RRC re-establishment process is not successful, the idle state is entered. Improve the success rate of user terminal access.

In addition, the preset third threshold may be pre-configured to the user terminal by the network side, for example, may be sent to the user terminal by using RRC signaling or proprietary signaling. Of course, this is not limited, for example, it may be pre-agreed by the protocol, or preset by the user terminal, and the like. In addition, the preset third threshold value may be greater than a preset second threshold value.

In this implementation manner, since the third cell is not in the RNA or the RPA of the user terminal, the RRC connection establishment process is initiated, so that the user terminal can be prevented from initiating the RRC resume process in this case, so that the user terminal can access the cell as soon as possible. . If the third cell is in the RNA or RPA of the user terminal, and the user terminal further retains the context information (UE context) of the user terminal, the RRC resume process is initiated, so that the user terminal can be quickly restored to inactive. State to further improve the data transmission performance of the user terminal.

In addition, if the user terminal initiates the RRC connection establishment process in the third cell, the connection state may be entered, and data transmission is performed in the connected state; or, the connection state is entered, and if the indication sent by the network side is received in the connected state, the indication is entered. The active state indication information can enter the inactive state and perform data transmission.

As an optional implementation manner, after the first timer is started, and the cell measurement is performed on the first cell, the method further includes:

If the fourth cell with the cell signal strength greater than or equal to the preset first threshold is detected before the timeout of the first timer or after the timeout, and the fourth cell is not in the RNA of the user terminal or Within the RPA, an RRC re-establishment process is initiated.

If the fourth cell that detects that the cell signal strength is greater than or equal to the preset second threshold is before or after the first timer expires, the fourth cell may be detected before the fourth cell is detected. The cell signal strength of a cell is not greater than or equal to a preset first threshold, but a fourth cell whose cell signal strength is greater than or equal to the preset first threshold is monitored. If the user equipment first detects that the cell signal strength of the first cell is greater than or equal to the preset first threshold before the first timer expires, step 301 is performed to initiate an RRC resume process in the first cell.

In this implementation manner, if the fourth cell that detects that the cell signal strength is greater than or equal to the preset first threshold is detected, and the fourth cell is not in the RNA or RPA of the user terminal, the RRC is initiated. The reconstruction process, so that the user terminal can quickly initiate the RRC establishment process.

If the RRC re-establishment process is successful, the connection state may be entered, and data transmission may be performed in the connected state; or, the connection state may be entered, and if the indication information sent by the network side to enter the inactive state is received in the connected state, the information may be entered. Inactive state and data transfer.

If the RRC re-establishment process fails, the idle state may be entered. If the cell with the cell signal strength greater than or equal to the preset third threshold is detected in the idle state, and the cell is not in the RNA or RPA of the user terminal, then the cell is not in the RNA or RPA of the user terminal. Initiating an RRC connection setup process; or if a cell with a cell signal strength greater than or equal to a preset third threshold is detected in an idle state, and the cell is in an RNA or RPA of the user terminal, and the user terminal retains The context information of the user terminal may initiate an RRC resume process.

Of course, if the fourth cell is in the RNA or RPA of the user terminal, the RRC resume process may be initiated, or if the fourth cell is in the RNA or RPA of the user terminal, and the user terminal further retains the user The context information of the terminal can initiate an RRC resume process, so that the user terminal can quickly resume the inactive state.

As an optional implementation manner, after the foregoing RRC resume process is initiated, the method further includes:

Transmitting the interrupt parameter information to the network side during the RRC resume process or the RRC reestablishment process; or

Transmitting the interrupt parameter information to the network side after the RRC resume process or the RRC re-establishment process succeeds;

The interrupt parameter information is used to indicate that the data transmission occurred by the user terminal is interrupted.

In this implementation manner, the interrupt parameter information may be sent to the network side during the RRC resume process or the RRC re-establishment process, which may save signaling transmission, thereby saving transmission resources and power consumption of the user terminal.

In addition, it is also possible to send the interrupt parameter information to the network side after the RRC resume process or the RRC re-establishment process succeeds, so that the probability of successful interruption parameter information transmission can be improved.

In this implementation manner, by reporting the interrupt parameter information, the network side can effectively discover the coverage and vulnerability of the network, for example, discovering a location where the cell signal strength is weak, or a cell coverage vulnerability, etc., thereby performing network optimization to improve the communication system. Overall performance.

Optionally, the interrupt parameter information includes but is not limited to:

At least one of a cell identifier before data transmission interruption, a cell signal strength when data transmission is interrupted, beam measurement information when data transmission is interrupted, position information of data transmission interruption, and network slice information of data transmission interruption.

The above-mentioned beam measurement information may be related information of a beam, for example, measurement information of a transmission beam, or measurement information of a reception beam, and the like.

Through the above interrupt parameter information, it is easier for the network node to quickly determine the cause of the data transmission interruption failure, thereby efficiently optimizing the network. It should be noted that the foregoing interrupt parameter information may also be referred to as interrupt indication information, because the data transmission interruption that occurs at the user terminal may be indicated.

In addition, the foregoing only describes the sending of the interrupt parameter information in the RRC resume process or the RRC re-establishment process, or after the RRC resume process or the RRC re-establishment process succeeds. In this embodiment, in some embodiments, in the RRC connection establishment process. The above interrupt parameter information may also be sent after the RRC connection establishment process is successful, and the same beneficial effect can be achieved. For example, in the foregoing implementation manner in which the third cell initiates an RRC connection setup procedure, the interrupt parameter information may also be sent in the RRC connection setup process or after the RRC connection setup process succeeds.

In this embodiment, a plurality of optional implementation manners are added on the basis of the embodiment shown in FIG. 2, and the data transmission performance of the user terminal can be improved, and the inactive state is quickly restored, or the fast access connection is fast. State to improve the efficiency of data transmission at the user terminal.

Referring to FIG. 4, FIG. 4 is a flowchart of another data transmission method according to an embodiment of the present disclosure. The method is applied to a user terminal. As shown in FIG. 4, the method includes the following steps:

Step 401: If the data transmission of the user terminal is interrupted in the inactive state, and the user terminal recovers from the coverage vulnerability to the coverage of the cell signal, the RRC resume process is initiated.

The data transmission interruption in this step may be an interruption caused by the user terminal moving into the coverage vulnerability, where the coverage vulnerability may refer to a location that is not covered by the cell signal, or a network node of the cell that can cover the location is faulty, etc., the user terminal The cell signal cannot be detected at this location.

The above recovery from the coverage vulnerability to the coverage of the cell signal may be that the location of the user terminal recovers from the coverage vulnerability to the coverage of the cell signal, for example, the location where the user terminal moves to the cell signal coverage, or the coverage vulnerability is caused by a network side failure. The network side repairs the fault so that the user terminal recovers the coverage of the cell signal.

In step 401, the RRC resume process is initiated when the coverage hole is restored to the coverage of the cell signal, so that the user terminal can quickly return to the inactive state to further improve the data transmission performance of the user terminal.

As an optional implementation manner, if the data transmission of the user terminal is interrupted in the inactive state, and the user terminal recovers from the coverage vulnerability to the coverage of the cell signal, the RRC resume process is initiated, including:

If the data transmission of the user terminal is interrupted in the inactive state, the user terminal recovers from the coverage vulnerability to the second cell whose cell signal strength is greater than or equal to the preset first threshold, and the second cell is in the user The RRC resume process is initiated within the access notification area RNA or the paging notification area RPA of the terminal.

In this implementation manner, after the user terminal enters the cell coverage vulnerability, the cell signal strength monitoring may be performed. If the second cell with the cell signal strength greater than or equal to the preset first threshold is detected, and the RNA or RPA of the user terminal is detected. Within, the RRC resume process can be initiated. In addition, the foregoing second cell may be a cell different from the cell that the user terminal enters before entering the coverage vulnerability. For example, the user terminal moves from a certain cell to the coverage vulnerability, and then the second cell is monitored. Certainly, this is not limited. For example, the foregoing second cell may be the same cell as the cell that the user terminal enters before entering the coverage vulnerability.

Since the RRC resume process is directly initiated in the user terminal RNA or RPA in the second cell, the user terminal can be quickly restored to the inactive state to further improve the data transmission performance of the user terminal.

Step 402: If the RRC resume process is successful, enter an inactive state and perform data transmission.

Step 403: If the RRC resume process fails, initiate an RRC reestablishment process.

For the foregoing embodiment, reference may be made to the corresponding description in the embodiment shown in FIG. 3, which is not described herein, and the same effective effect can be achieved.

If the RRC reestablishment process fails, entering an idle state;

If the third cell with the cell signal strength greater than or equal to the preset third threshold is detected in the idle state, and the third cell is not in the RNA or RPA of the user terminal, the RRC connection establishment process is initiated;

As an optional implementation manner, after the RRC resume process is initiated, the method further includes:

Optionally, the interrupt parameter information includes:

Referring to FIG. 5, FIG. 5 is a structural diagram of a user terminal according to an embodiment of the present disclosure. As shown in FIG. 5, the user terminal 500 includes:

The first initiating module 501 is configured to initiate an RRC resume process if the data transmission interruption of the user terminal in the inactive state is performed;

The first transmission module 502 is configured to enter an inactive state and perform data transmission if the RRC resume process is successful;

The second initiating module 503 is configured to initiate an RRC re-establishment process if the RRC resume process fails.

Optionally, the first initiating module 501 is configured to: if the data transmission interruption of the user terminal in the inactive state, is performed, if the cell signal strength of the first cell is greater than or equal to the preset first threshold, RRC resume process.

Optionally, as shown in FIG. 6, the first initiating module 501 includes:

The monitoring unit 5011 is configured to monitor a cell signal strength of the first cell if the data transmission of the user terminal is interrupted in an inactive state;

The measuring unit 5012 is configured to: if the cell signal strength of the first cell is less than or equal to a preset second threshold, start a first timer, and perform cell measurement on the first cell;

The first initiating unit 5013 is configured to initiate an RRC resume process if the cell signal strength of the first cell is greater than or equal to a preset first threshold before the first timer expires;

The preset first threshold is greater than the preset second threshold.

Optionally, the second initiating module 503 is configured to: if the first timer expires, the RRC resume process fails, start a second timer, and initiate an RRC reestablishment within a valid time of the second timer. process.

Optionally, the first initiating module 501 is configured to initiate an RRC resume process if the user terminal is interrupted in the inactive state, and the user terminal recovers from the coverage vulnerability to the coverage of the cell signal.

Optionally, the first initiating module 501 is configured to: when the user terminal is interrupted in the inactive state, the user terminal recovers from the coverage hole to the cell signal strength that is greater than or equal to the preset first threshold. The second cell, and the second cell is within the RNA or RPA of the user terminal, and initiates an RRC resume process.

Optionally, as shown in FIG. 7, the user terminal 500 further includes:

The second transmission module 504 is configured to enter a connected state and perform data transmission in a connected state if the RRC re-establishment process is successful; or

The third transmission module 505 is configured to enter a connection state if the RRC re-establishment process is successful, and enter an inactive state if the indication sent by the network side is received in the connected state, enter an inactive state, and perform data transmission. .

Optionally, as shown in FIG. 8, the user terminal 500 further includes:

The module 506 is configured to enter an idle state if the RRC reestablishment process fails.

a third initiating module 507, configured to: if the third cell in which the cell signal strength is greater than or equal to the preset third threshold is detected in the idle state, and the third cell is not in the RNA or RPA of the user terminal, Initiating an RRC connection establishment process;

The fourth initiating module 508 is configured to: if the third cell in which the cell signal strength is greater than or equal to the preset third threshold, is detected in the idle state, and the third cell is in the RNA or RPA of the user terminal, and The user terminal also retains the context information of the user terminal, and then initiates an RRC resume process.

Optionally, as shown in FIG. 9, the user terminal 500 further includes:

The fifth initiating module 509 is configured to: after the timeout of the first timer expires or after the timeout, monitor the fourth cell with the cell signal strength greater than or equal to the preset first threshold, and the fourth cell The RRC re-establishment process is initiated without being within the RNA or RPA of the user terminal.

Optionally, as shown in FIG. 10, the user terminal 500 further includes:

The first sending module 510 is configured to send the interrupt parameter information to the network side in an RRC resume process or an RRC re-establishment process; or

The second sending module 511 is configured to send the interrupt parameter information to the network side after the RRC resume process or the RRC re-establishment process succeeds;

Optionally, the interrupt parameter information includes:

The mobile terminal provided by the embodiment of the present disclosure can implement various processes implemented by the mobile terminal in the method embodiment of FIG. 2 to FIG. 4, and details are not described herein again to avoid repetition. The data transmission performance of the user terminal can be improved.

FIG. 11 is a schematic structural diagram of hardware of a user terminal that implements various embodiments of the present disclosure,

The user terminal 1100 includes, but is not limited to, a radio frequency unit 1101, a network module 1102, an audio output unit 1103, an input unit 1104, a sensor 1105, a display unit 1106, a user input unit 1107, an interface unit 1108, a memory 1109, a processor 1110, and Power supply 1111 and other components. It will be understood by those skilled in the art that the terminal structure shown in FIG. 11 does not constitute a limitation to the terminal, and the terminal may include more or less components than those illustrated, or some components may be combined, or different component arrangements. In the embodiments of the present disclosure, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle terminal, a wearable device, and a pedometer.

The radio unit 1101 is configured to initiate a radio resource control RRC recovery resume process if the user terminal is interrupted in data transmission in an inactive state;

If the RRC resume process fails, an RRC reestablishment procedure is initiated.

Optionally, if the data transmission of the user terminal in the inactive state is interrupted by the radio unit 1101, the RRC resume process is initiated, including:

If the data transmission of the user terminal is interrupted in the inactive state, the RRC resume process is initiated when the cell signal strength of the first cell is measured to be greater than or equal to the preset first threshold.

Optionally, the data transmission performed by the radio unit 1101 is interrupted when the user terminal is in an inactive state, and the RRC resume is initiated when the cell signal strength of the first cell is measured to be greater than or equal to a preset first threshold. Process, including:

The preset first threshold is greater than the preset second threshold.

Optionally, if the RRC resume process performed by the radio unit 1101 fails, the RRC re-establishment process is initiated, including:

If the data transmission of the user terminal is interrupted in the inactive state, the RRC resume process is initiated when the user terminal recovers from the coverage vulnerability to the coverage of the cell signal.

Optionally, if the user terminal performs the data transmission interruption in the inactive state, the RF unit 1101 initiates an RRC resume process, where the user terminal recovers from the coverage vulnerability to the coverage of the cell signal, including:

Optionally, after the RRC restart process fails, after the RRC re-establishment process is initiated, the radio unit 1101 is further configured to:

If the RRC reestablishment process fails, entering an idle state;

Optionally, after the first timer is started, and the cell measurement is performed on the first cell, the radio unit 1101 is further configured to:

Optionally, after the RRC resume process is initiated, the radio unit 1101 is further configured to:

Optionally, the interrupt parameter information includes:

The above user terminal 1100 can improve data transmission performance.

It should be understood that, in the embodiment of the present disclosure, the radio frequency unit 1101 can be used for receiving and transmitting signals during the transmission and reception of information or during a call, and specifically, after receiving downlink data from the base station, processing the processor 1110; The uplink data is sent to the base station. In general, radio frequency unit 1101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio unit 1101 can also communicate with the network and other devices through a wireless communication system.

The user terminal provides the user with wireless broadband Internet access through the network module 1102, such as helping the user to send and receive emails, browse web pages, and access streaming media.

The audio output unit 1103 can convert the audio data received by the radio frequency unit 1101 or the network module 1102 or stored in the memory 1109 into an audio signal and output as a sound. Moreover, the audio output unit 1103 can also provide audio output (eg, call signal reception sound, message reception sound, etc.) related to a particular function performed by the user terminal 1100. The audio output unit 1103 includes a speaker, a buzzer, a receiver, and the like.

The input unit 1104 is for receiving an audio or video signal. The input unit 1104 may include a graphics processing unit (GPU) 11041 and a microphone 11042, and the graphics processor 11041 images an still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The data is processed. The processed image frame can be displayed on the display unit 1106. The image frames processed by the graphics processor 11041 may be stored in the memory 1109 (or other storage medium) or transmitted via the radio unit 1101 or the network module 1102. The microphone 11042 can receive sound and can process such sound as audio data. The processed audio data can be converted to a format output that can be transmitted to the mobile communication base station via the radio unit 1101 in the case of a telephone call mode.

User terminal 1100 also includes at least one type of sensor 1105, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 11061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 11061 when the user terminal 1100 moves to the ear. / or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the terminal attitude (such as horizontal and vertical screen switching, related games, Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; sensor 1105 may also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared Sensors, etc., will not be described here.

The display unit 1106 is for displaying information input by the user or information provided to the user. The display unit 1106 can include a display panel 11061. The display panel 11061 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

The user input unit 1107 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 1107 includes a touch panel 11071 and other input devices 11072. The touch panel 11071, also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 11071 or near the touch panel 11071. operating). The touch panel 11071 may include two parts of a touch detection device and a touch controller. Wherein, the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information. The processor 1110 receives the commands from the processor 1110 and executes them. In addition, the touch panel 11071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 11071, the user input unit 1107 may also include other input devices 11072. Specifically, other input devices 11072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which are not described herein.

Further, the touch panel 11071 can be overlaid on the display panel 11061. After the touch panel 11071 detects a touch operation thereon or nearby, the touch panel 11071 transmits to the processor 1110 to determine the type of the touch event, and then the processor 1110 according to the touch. The type of event provides a corresponding visual output on display panel 11061. Although in FIG. 11 , the touch panel 11071 and the display panel 11061 are used as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 11071 and the display panel 11061 may be integrated. The input and output functions of the terminal are implemented, and are not limited herein.

The interface unit 1108 is an interface in which an external device is connected to the user terminal 1100. For example, the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more. The interface unit 1108 can be configured to receive input from an external device (eg, data information, power, etc.) and transmit the received input to one or more components within the user terminal 1100 or can be used at the user terminal 1100 and externally Data is transferred between devices.

Memory 1109 can be used to store software programs as well as various data. The memory 1109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.). Moreover, memory 1109 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 1110 is a control center of the terminal, which connects various parts of the entire terminal using various interfaces and lines, and executes by executing or executing software programs and/or modules stored in the memory 1109, and calling data stored in the memory 1109. The terminal's various functions and processing data, so as to monitor the terminal as a whole. The processor 1110 may include one or more processing units; preferably, the processor 1110 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and performs modulation and demodulation. The processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 1110.

The user terminal 1100 may further include a power source 1111 (such as a battery) for supplying power to the respective components. Preferably, the power source 1111 may be logically connected to the processor 1110 through the power management system to manage charging, discharging, and power management through the power management system. And other functions.

In addition, the user terminal 1100 includes some functional modules not shown, and details are not described herein again.

Preferably, an embodiment of the present disclosure further provides a terminal, including a processor 1110, a memory 1109, a computer program stored on the memory 1109 and executable on the processor 1110, and the computer program is implemented by the processor 1110. The processes of the foregoing data transmission method embodiments can achieve the same technical effects. To avoid repetition, details are not described herein again.

The embodiment of the present disclosure further provides a computer readable storage medium. The computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements various processes of the data transmission method embodiment, and can achieve the same technical effect. To avoid repetition, we will not repeat them here. The computer readable storage medium, such as a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the foregoing embodiment method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is better. Implementation. Based on such understanding, the technical solution of the present disclosure, which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM). The instructions include a number of instructions for causing a terminal (which may be a cell phone, computer, server, air conditioner, or network device, etc.) to perform the methods described in various embodiments of the present disclosure.

The embodiments of the present disclosure have been described above with reference to the drawings, but the present disclosure is not limited to the specific embodiments described above, and the specific embodiments described above are merely illustrative and not restrictive, and those skilled in the art In the light of the present disclosure, many forms may be made without departing from the scope of the disclosure and the scope of the appended claims.

Claims

A data transmission method is applied to a user terminal, including:

If the data transmission interruption of the user terminal in the inactive state, initiate a radio resource control RRC recovery process;

If the RRC recovery process is successful, enter an inactive state and perform data transmission;

If the RRC recovery process fails, an RRC reestablishment procedure is initiated.
The method according to claim 1, wherein if the data transmission of the user terminal is interrupted in an inactive state, the RRC recovery process is initiated, including:

If the data transmission of the user terminal is interrupted in the inactive state, the RRC recovery process is initiated when the cell signal strength of the first cell is measured to be greater than or equal to the preset first threshold.
The method according to claim 2, wherein if the data transmission of the user terminal is interrupted in an inactive state, when the cell signal strength of the first cell is measured to be greater than or equal to a preset first threshold value, , initiate the RRC recovery process, including:

Monitoring the cell signal strength of the first cell if the user terminal is interrupted in data transmission in an inactive state;

If the cell signal strength of the first cell is less than or equal to a preset second threshold, start a first timer, and perform cell measurement on the first cell;

If the cell signal strength of the first cell is greater than or equal to a preset first threshold before the first timer expires, an RRC recovery process is initiated;

The preset first threshold is greater than the preset second threshold.
The method of claim 3, wherein if the RRC recovery process fails, the RRC re-establishment process is initiated, including:

If the first timer expires, the RRC recovery process fails, the second timer is started, and an RRC re-establishment process is initiated within the valid time of the second timer.
The method according to claim 1, wherein if the data transmission of the user terminal is interrupted in an inactive state, the RRC recovery process is initiated, including:

If the data transmission of the user terminal is interrupted in the inactive state, the RRC recovery process is initiated when the user terminal recovers from the coverage vulnerability to the coverage of the cell signal.
The method according to claim 5, wherein if the user terminal is interrupted in data transmission in an inactive state, and the RRC recovery process is initiated when the user terminal recovers from a coverage vulnerability to a cell signal coverage range ,include:

If the data transmission of the user terminal is interrupted in the inactive state, the user terminal recovers from the coverage vulnerability to the second cell whose cell signal strength is greater than or equal to the preset first threshold, and the second cell is in the user The RRC recovery process is initiated within the access notification area RNA or the paging notification area RPA of the terminal.
The method according to any one of claims 1 to 6, wherein, if the RRC recovery process fails, after the RRC re-establishment process is initiated, the method further includes:

If the RRC re-establishment process is successful, enter a connected state, and perform data transmission in a connected state; or

If the RRC re-establishment process is successful, the connection state is entered, and if the indication information sent by the network side to enter the inactive state is received in the connected state, the inactive state is entered, and data transmission is performed.
The method according to any one of claims 1 to 6, wherein, if the RRC recovery process fails, after the RRC re-establishment process is initiated, the method further includes:

If the RRC reestablishment process fails, entering an idle state;

If the third cell with the cell signal strength greater than or equal to the preset third threshold is detected in the idle state, and the third cell is not in the RNA or RPA of the user terminal, the RRC connection establishment process is initiated;

If the third cell in which the cell signal strength is greater than or equal to the preset third threshold is detected in the idle state, and the third cell is in the RNA or RPA of the user terminal, and the user terminal further retains the The context information of the user terminal initiates an RRC recovery process.
The method of claim 3 or 4, wherein after the first timer is started and the cell measurement is performed on the first cell, the method further includes:

If the fourth cell with the cell signal strength greater than or equal to the preset first threshold is detected before the timeout of the first timer or after the timeout, and the fourth cell is not in the RNA of the user terminal or Within the RPA, an RRC re-establishment process is initiated.
The method of any of claims 1 to 6, wherein after the initiating the RRC recovery process, the method further comprises:

Transmitting the interrupt parameter information to the network side during the RRC recovery process or the RRC re-establishment process; or

Transmitting the interrupt parameter information to the network side after the RRC recovery process or the RRC re-establishment process succeeds;

The interrupt parameter information is used to indicate that the data transmission occurred by the user terminal is interrupted.
The method of claim 10 wherein said interrupt parameter information comprises:

At least one of a cell identifier before data transmission interruption, a cell signal strength when data transmission is interrupted, beam measurement information when data transmission is interrupted, position information of data transmission interruption, and network slice information of data transmission interruption.
A user terminal comprising:

a first initiating module, configured to initiate an RRC recovery process if the data transmission interruption of the user terminal in the inactive state;

a first transmission module, configured to enter an inactive state and perform data transmission if the RRC recovery process is successful;

The second initiating module is configured to initiate an RRC re-establishment process if the RRC recovery process fails.
The user terminal according to claim 12, wherein the first initiating module is configured to: if the data transmission interruption of the user terminal in an inactive state, measure that the cell signal strength of the first cell is greater than or equal to a preset number In the case of a threshold, an RRC recovery procedure is initiated.
The user terminal of claim 13, wherein the first initiating module comprises:

a monitoring unit, configured to monitor a cell signal strength of the first cell if the user terminal is interrupted in data transmission in an inactive state;

a measuring unit, configured to: if a cell signal strength of the first cell is less than or equal to a preset second threshold, start a first timer, and perform cell measurement on the first cell;

a first initiating unit, configured to initiate an RRC recovery process if the cell signal strength of the first cell is greater than or equal to a preset first threshold before the first timer expires;

The preset first threshold is greater than the preset second threshold.
The user terminal according to claim 14, wherein the second initiating module is configured to: if the first timer expires, the RRC recovery process fails, start a second timer, and in the second timer The RRC re-establishment process is initiated within the effective time.
The user terminal according to claim 12, wherein the first initiating module is configured to: when the user terminal is interrupted in data transmission in an inactive state, recovering from the coverage hole to the coverage of the cell signal in the user terminal In this case, the RRC recovery process is initiated.
The user terminal according to claim 16, wherein the first initiating module is configured to: when the user terminal is interrupted in data transmission in an inactive state, recovering from the coverage hole to the cell signal strength of the user terminal is greater than or equal to The second cell of the first threshold is preset, and the second cell is within the RNA or RPA of the user terminal, and an RRC recovery process is initiated.
The user terminal according to any one of claims 12 to 17, further comprising:

a second transmission module, configured to enter a connected state and perform data transmission in a connected state if the RRC re-establishment process is successful; or

The third transmission module is configured to enter a connection state if the RRC re-establishment process is successful, and enter an inactive state if the indication sent by the network side is received in the connected state, and enter an inactive state, and perform data transmission.
The user terminal according to any one of claims 12 to 17, further comprising:

The entering module is configured to enter an idle state if the RRC reestablishment process fails;

a third initiating module, configured to: if the third cell in which the cell signal strength is greater than or equal to the preset third threshold is detected in the idle state, and the third cell is not in the RNA or RPA of the user terminal, RRC connection establishment process;

a fourth initiating module, configured to: if the third cell in which the cell signal strength is greater than or equal to the preset third threshold, is detected in the idle state, and the third cell is in the RNA or RPA of the user terminal, and The user terminal also retains the context information of the user terminal, and initiates an RRC recovery process.
The user terminal according to claim 14 or 15, further comprising:

a fifth initiating module, configured to: before the timeout of the first timer expires or after a timeout, monitor a fourth cell whose cell signal strength is greater than or equal to the preset first threshold, and the fourth cell is absent The RRC re-establishment process is initiated within the RNA or RPA of the user terminal.
The user terminal according to any one of claims 12 to 17, further comprising:

a first sending module, configured to send, to the network side, interrupt parameter information during an RRC recovery process or an RRC re-establishment process; or

a second sending module, configured to send the interrupt parameter information to the network side after the RRC recovery process or the RRC re-establishment process succeeds;

The interrupt parameter information is used to indicate that the data transmission occurred by the user terminal is interrupted.
The user terminal of claim 21, wherein the interrupt parameter information comprises:

At least one of a cell identifier before data transmission interruption, a cell signal strength when data transmission is interrupted, beam measurement information when data transmission is interrupted, position information of data transmission interruption, and network slice information of data transmission interruption.
A user terminal comprising: a memory, a processor, and a computer program stored on the memory and operable on the processor, the computer program being implemented by the processor to implement as in claims 1 to 11 The steps in the data transmission method of any of the above.
A computer readable storage medium, wherein the computer readable storage medium stores a computer program, the computer program being executed by a processor to implement the data transmission method according to any one of claims 1 to step.