CN110022567B - Data transmission method and user terminal - Google Patents
Data transmission method and user terminal Download PDFInfo
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- CN110022567B CN110022567B CN201810016512.5A CN201810016512A CN110022567B CN 110022567 B CN110022567 B CN 110022567B CN 201810016512 A CN201810016512 A CN 201810016512A CN 110022567 B CN110022567 B CN 110022567B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
Abstract
The embodiment of the invention provides a data transmission method and a user terminal, wherein the method comprises the following steps: if the data transmission of the user terminal is interrupted in the non-activated state, initiating a Radio Resource Control (RRC) resume process; if the RRC resume process is successful, entering an inactive state and transmitting data; and if the RRC resume process fails, initiating an RRC reestablishment process. Therefore, data transmission in an inactive state can be realized, and if the RRC resume process fails, the RRC reestablishment process is initiated, so that the data transmission performance of the user terminal can be improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a data transmission method and a user terminal.
Background
Fifth generation (5)thgeneration, 5G) communication system, a new inactive state (RRC inactive state) is introduced in addition to an idle state (RRC idle state) and a connected state (RRC connected state). However, currently, the data packet transmission in the inactive state is mainly completed by using a Radio Resource Control (RRC) recovery (resume) procedure. Specifically, a Message (MSG)3 of the RRC resume procedure carries uplink data to implement data transmission. However, in practical applications, there may be coverage holes or poor cell signals, and in these cases, the RRC resume procedure may not be completely performed, thereby resulting in poor data transmission performance of the ue.
Disclosure of Invention
The embodiment of the invention provides a data transmission method and a user terminal, aiming at solving the problem of poor data transmission performance of the user terminal.
In order to solve the technical problem, the invention is realized as follows: a data transmission method is applied to a user terminal, and is characterized by comprising the following steps:
if the cell signal strength is smaller than a preset first threshold value or a cell coverage hole is entered, monitoring the cell signal strength;
if the data transmission of the user terminal is interrupted in the non-activated state, initiating a Radio Resource Control (RRC) recovery (resume) process;
if the RRC resume process is successful, entering an inactive state and transmitting data;
and if the RRC resume process fails, initiating an RRC reestablishment process.
In a first aspect, an embodiment of the present invention further provides a data transmission method, applied to a user terminal, where the method includes:
if the data transmission of the user terminal is interrupted in the non-activated state, initiating an RRC resume process;
if the RRC resume process is successful, entering an inactive state and transmitting data;
and if the RRC resume process fails, initiating an RRC reestablishment process.
In a second aspect, an embodiment of the present invention provides a user terminal, including:
a first initiating module, configured to initiate an RRC resume procedure if data transmission of the ue is interrupted in an inactive state;
the first transmission module is used for entering an inactive state and transmitting data if the RRC resume process is successful;
a second initiating module, configured to initiate an RRC reestablishment procedure if the RRC resume procedure fails.
In a third aspect, an embodiment of the present invention provides a user terminal, including: the data transmission method comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the computer program is executed by the processor, the steps in the data transmission method provided by the embodiment of the invention are realized.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements the steps of the data transmission method provided in the embodiment of the present invention.
In the embodiment of the invention, if the data transmission of the user terminal is interrupted in the non-activated state, a radio resource control RRC resume process is initiated; if the RRC resume process is successful, entering an inactive state and transmitting data; and if the RRC resume process fails, initiating an RRC reestablishment process. Therefore, data transmission in an inactive state can be realized, and if the RRC resume process fails, the RRC reestablishment process is initiated, so that the data transmission performance of the user terminal can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a structural diagram of a data transmission system 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 flowchart of another data transmission method provided in the embodiment of the present invention;
fig. 4 is a flowchart of another data transmission method provided in the embodiment of the present invention;
fig. 5 is a structural diagram of a user equipment according to an embodiment of the present invention;
fig. 6 is a block diagram of another ue according to an embodiment of the present invention;
fig. 7 is a block diagram of another ue according to an embodiment of the present invention;
fig. 8 is a block diagram of another ue according to an embodiment of the present invention;
fig. 9 is a block diagram of another ue according to an embodiment of the present invention;
fig. 10 is a block diagram of another user terminal according to an embodiment of the present invention;
fig. 11 is a structural diagram of another user terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a structural diagram of a system for processing radio link failure according to an embodiment of the present invention, and as shown in fig. 1, the system includes a user terminal 11 and a network node 12, where the user terminal 11 may be a ue (user equipment), for example: the terminal side Device may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), or a Wearable Device (Wearable Device), and it should be noted that the specific type of the user terminal 11 is not limited in the embodiments of the present invention. The network node 12 may be a base station (e.g., a gbb, a 5G NR NB) in a 5G network, or the network node 12 may be a base station (e.g., an eNB, an lte 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 invention.
Referring to fig. 2, fig. 2 is a flowchart of a data transmission method according to an embodiment of the present invention, where the method is applied to a user terminal, and as shown in fig. 2, the method includes the following steps:
In addition, the above reasons for interruption of data transmission include, but are not limited to, weak Signal Strength (SS), such as: the signal intensity of the cell is smaller than a certain preset threshold value, or the data transmission is interrupted due to cell signal reasons such as a coverage hole when the user terminal enters the cell.
In addition, the above RRC resume procedure may be initiated in the original cell, for example: when the cell signal strength of a certain cell is weak, the user terminal measures the cell signal strength, and finds that the cell signal strength of the cell becomes strong, the RRC resume procedure can be initiated in the cell. Or, the user terminal may move from a cell to access the coverage hole, so that the coverage is restored to another cell, and the cell signal strength of the cell is strong, then the RRC resume procedure may be initiated in the cell.
The data transmission interruption may be understood as a case where data transmission fails or data transmission is abnormal, and the like.
The data transmission may be continued from the interruption of data transmission of the user equipment, where the interruption of data transmission may be caused by the cell signal strength being lower than a preset first threshold, or the interruption of data transmission due to a coverage hole. Therefore, the user terminal can be ensured to continue transmitting data in time through step 202, so as to improve the data transmission performance of the user terminal.
The step can realize that if the RRC resume process exists, the RRC reestablishment process can be initiated to access the connection state for data transmission, so that the data transmission performance of the user terminal is improved.
It should be noted that the above method can be applied to a 5G communication system or a 4G communication system (e.g., an lte communication system), but is not limited thereto, and for example: but also to 6G communication systems and the like.
In the embodiment of the invention, if the data transmission of the user terminal is interrupted in the non-activated state, a radio resource control RRC resume process is initiated; if the RRC resume process is successful, entering an inactive state and transmitting data; and if the RRC resume process fails, initiating an RRC reestablishment process. Therefore, data transmission in an inactive state can be realized, and if the RRC resume process fails, the RRC reestablishment process is initiated, so that the data transmission performance of the user terminal can be improved.
Referring to fig. 3, fig. 3 is a flowchart of another data transmission method according to an embodiment of the present invention, where the method is applied to a user equipment, and as shown in fig. 3, the method includes the following steps:
The first cell may be a cell into which the user terminal enters when data transmission is interrupted in an inactive state. For example: in the process of data transmission in the inactive state, the cell signal strength of the cell is weak, which causes interruption of data transmission, and then the user terminal may measure the cell signal strength, and if the cell signal strength of the cell is greater than or equal to a preset first threshold, may initiate an RRC resume procedure.
Of course, in this embodiment, it is not limited that the first cell may be a cell into which the user terminal enters when data transmission is interrupted in the inactive state, for example: the first cell may also be a neighboring cell of a cell into which the ue enters when data transmission is interrupted in an inactive state.
Through step 301 and step 302, the ue rapidly recovers to the inactive state when the measured cell signal strength of the first cell is greater than or equal to the preset first threshold, so as to improve the data transmission performance of the ue.
As an optional implementation manner, if the data transmission of the ue is interrupted in the inactive state, and the measured cell signal strength of the first cell is greater than or equal to a preset first threshold, initiating an RRC resume procedure, including:
if the data transmission of the user terminal is interrupted in the non-activated state, monitoring the cell signal intensity of the first cell;
if the cell signal intensity of the first cell is smaller than or equal to a preset second threshold value, starting a first timer, and carrying out cell measurement on the first cell;
if the cell signal strength of the first cell is measured to be larger than or equal to a preset first threshold value before the first timer is overtime, initiating an RRC resume process;
wherein the preset first threshold is greater than the preset second threshold.
The first timer may be configured in advance to the user equipment by the network side, for example: can be sent to the user terminal through RRC signaling or special signaling. Of course, this is not limited, for example: but also pre-agreed by the protocol, or pre-set by the user terminal, etc.
The preset first threshold and the preset second threshold may be pre-configured to the user terminal by the network side, for example: can be sent to the user terminal through RRC signaling or special signaling. Of course, this is not limited, for example: but also pre-agreed by the protocol, or pre-set by the user terminal, etc.
The embodiment can be implemented, if the cell signal strength of the first cell is smaller than the preset second threshold, starting a first timer, and performing cell measurement on the first cell, if the cell signal strength of the first cell measured by the user terminal becomes stronger within the effective time of the timer, and the cell signal strength is greater than or equal to the preset second threshold from being smaller than the preset first threshold, the user terminal can directly initiate an RRC resume process, so that the user terminal can be quickly restored to the inactive state, and the data transmission performance of the user terminal is further improved.
Optionally, in this embodiment, the initiating the RRC reestablishment procedure if the RRC resume procedure fails includes:
if the first timer is overtime, the RRC resume process fails, a second timer is started, and an RRC reestablishment process is initiated within the effective time of the second timer.
The second timer may be configured in advance to the user equipment by the network side, for example: can be sent to the user terminal through RRC signaling or special signaling. Of course, this is not limited, for example: but also pre-agreed by the protocol, or pre-set by the user terminal, etc.
The above-mentioned initiating the RRC reestablishment procedure within the valid time of the second timer may be, when the second timer is started, initiating the RRC reestablishment procedure until the RRC reestablishment procedure is successful, or the second timer is overtime, so that the user terminal may initiate the RRC reestablishment procedure multiple times before the second timer is not overtime, so as to improve the success rate of access. Of course, the above-mentioned initiating the RRC reestablishment procedure within the valid time of the second timer may be initiating the RRC reestablishment procedure once or multiple times within the valid time of the second timer, where the maximum number of times of initiating may be configured by the network side, or preset by the user equipment, and the like.
As an optional implementation manner, after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the method further includes:
if the RRC reestablishment process is successful, entering a connection state, and carrying out data transmission in the connection state; or
And if the RRC reestablishment process is successful, entering a connected state, and if indication information which indicates that the network side enters the non-activated state is received in the connected state, entering the non-activated state and carrying out data transmission.
In this embodiment, if the RRC reestablishment process is successful, the ue enters the connected state and performs data transmission in the connected state, so as to improve the data transmission performance of the ue.
In addition, after entering the connected state, if the connected state receives indication information indicating that the network side sends the indication information to enter the inactive state, the connected state can enter the inactive state and perform data transmission, so that flexible state conversion can be realized, and data transmission can be performed.
As an optional implementation manner, after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the method further includes:
if the RRC reestablishment process fails, entering an idle state;
if the monitored cell signal strength is greater than or equal to a third cell with a preset third threshold value in an idle state, and the third cell is not in an access notification area (RNA) or an access paging area (RPA) of the user terminal, initiating an RRC connection establishment process;
and if the monitored cell signal strength is larger than or equal to a third cell with a preset third threshold value in an idle state, the third cell is in the RNA or RPA of the user terminal, and the user terminal also reserves the context information of the user terminal, initiating an RRC resume process.
The RNA or RPA may be an RNA or RPA recorded in advance by the user terminal, or an RNA or RPA configured in advance for the user terminal by the network side, and the like, which is not limited in this embodiment of the present invention.
The above-mentioned RRC reestablishment process fails, and the entering into the idle state may be that the user terminal enters into the idle state if the RRC reestablishment process of the user terminal fails once, or may be that the user terminal enters into the idle state only if the RRC reestablishment process of the user terminal fails for a preset number of times. Of course, if the RRC resume procedure fails and the user terminal starts the second timer, the RRC reestablishment procedure fails, and the idle state may be entered if the second timer is overtime and the RRC reestablishment procedure is not successful, so that the success rate of the user terminal access may be increased.
In addition, the preset third threshold may be configured in advance to the user equipment by the network side, for example: can be sent to the user terminal through RRC signaling or special signaling. Of course, this is not limited, for example: but also pre-agreed by the protocol, or pre-set by the user terminal, etc. In addition, the preset third threshold may be greater than the preset second threshold.
In this embodiment, since the third cell is not in the RNA or RPA of the ue, the RRC connection establishment procedure is initiated, so that the ue can be prevented from initiating an RRC resume procedure under the condition, and the ue can access the cell as soon as possible. And if the third cell is in the RNA or RPA of the user terminal and the user terminal also reserves the context information (UE context) of the user terminal, initiating an RRC resume process, so that the user terminal can be quickly restored to an inactive state, and the data transmission performance of the user terminal is further improved.
In addition, if the user terminal initiates the RRC connection establishment procedure in the third cell successfully, the user terminal may enter a connected state and perform data transmission in the connected state; or, the network enters the connected state, and if the indication information indicating that the network enters the inactive state is received in the connected state, the network can enter the inactive state and perform data transmission.
As an optional implementation, after the starting the first timer and performing the cell measurement on the first cell, the method further includes:
and if the fourth cell with the cell signal strength larger than or equal to the preset first threshold value is monitored before or after the first timer is overtime, and the fourth cell is not in the RNA or RPA of the user terminal, initiating an RRC reestablishment process.
If the fourth cell whose monitored cell signal strength is greater than or equal to the preset second threshold value before or after the first timer expires, the fourth cell whose monitored cell signal strength is not greater than or equal to the preset first threshold value but is greater than or equal to the preset first threshold value before the fourth cell is monitored may be used. If the ue monitors 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 executed to initiate an RRC resume procedure in the first cell.
In this embodiment, if it is monitored that the cell signal strength is greater than or equal to the fourth cell of the preset first threshold and the fourth cell is not in the RNA or RPA of the user equipment, the RRC reestablishment procedure may be initiated, so that the user equipment may rapidly initiate the RRC establishment procedure.
If the RRC reestablishment process is successful, entering a connected state and transmitting data in the connected state; or, the network enters the connected state, and if the indication information indicating that the network enters the inactive state is received in the connected state, the network can enter the inactive state and perform data transmission.
If the RRC reestablishment process fails, entering an idle state, and if a cell with a cell signal strength greater than or equal to a preset third threshold value is monitored in the idle state and the cell is not in the RNA or RPA of the user equipment, initiating an RRC connection establishment process; or if the monitored cell in the idle state has the cell signal strength greater than or equal to the preset third threshold value, the cell is in the RNA or RPA of the user terminal, and the user terminal further retains the context information of the user terminal, the RRC resume process may be initiated.
Of course, if the fourth cell is in the RNA or RPA of the ue, the RRC resume procedure may be initiated, or if the fourth cell is in the RNA or RPA of the ue and the ue still retains the context information of the ue, the RRC resume procedure may be initiated, so that the ue may quickly recover to the inactive state.
As an optional implementation manner, after the RRC resume procedure is initiated, the method further includes:
sending interruption parameter information to a network side in an RRC resume process or an RRC reestablishment process; or
Sending interruption parameter information to a network side after an RRC resume process or an RRC reestablishment process is successful;
wherein the interruption parameter information is used for indicating data transmission interruption of the user terminal.
In this embodiment, sending the interrupt parameter information to the network side in the RRC resume process or the RRC reestablishment process may be implemented, so that signaling transmission may be saved, and transmission resources and power consumption of the user terminal may be saved.
In addition, the method can also realize that the interruption parameter information is sent to the network side after the RRC resume process or the RRC reestablishment process is successful, so that the probability of successful transmission of the interruption parameter information can be improved.
In this embodiment, the network side can effectively discover the coverage and vulnerability problems of the network by reporting the interruption parameter information, for example: and finding the position with weaker cell signal strength or cell coverage holes and the like, and further performing network optimization to improve the overall performance of the communication system.
Optionally, the interrupt parameter information includes, but is not limited to:
at least one of cell identification before interruption of data transmission, cell signal strength at the time of interruption of data transmission, beam measurement information at the time of interruption of data transmission, location information of interruption of data transmission, and network slice information of interruption of data transmission.
The beam measurement information may be measurement information related to a beam (beam), for example: the measurement information of the transmission beam, or the measurement information of the reception beam, etc., which are not limited in this embodiment of the present invention.
Through the interruption parameter information, the network node can more easily and quickly judge the reason of the data transmission interruption failure, and the network can be further optimized efficiently. It should be noted that the interruption parameter information may also be referred to as interruption indication information, because it may indicate the interruption of data transmission that occurs in the user terminal.
In addition, only the interruption parameter information is sent in the RRC resume procedure or the RRC reestablishment procedure, or after the RRC resume procedure or the RRC reestablishment procedure is successful, but in some embodiments, the interruption parameter information may also be sent in the RRC connection establishment procedure, or after the RRC connection establishment procedure is successful, and the same beneficial effects may be achieved. For example: in the above-described embodiment in which the RRC connection establishment procedure is initiated in the third cell, the interruption parameter information may also be sent during the RRC connection establishment procedure or after the RRC connection establishment procedure is successful.
In this embodiment, various optional implementation manners are added on the basis of the embodiment shown in fig. 2, and all of them can improve the data transmission performance of the user terminal, and quickly recover to an inactive state or a fast access connection state, so as to improve the efficiency of data transmission of the user terminal.
Referring to fig. 4, fig. 4 is a flowchart of another data transmission method according to an embodiment of the present invention, where the method is applied to a user equipment, and as shown in fig. 4, the method includes the following steps:
In this step, the interruption of data transmission may be an interruption caused by the user terminal moving into a coverage hole, where the coverage hole may refer to a location that is not covered by a cell signal, or a network node of a cell that may cover the location may have a fault, and the user terminal may not monitor the cell signal at the location.
The recovery from the coverage hole to the cell signal coverage range may be that the location of the ue recovers from the coverage hole to the cell signal coverage, for example: the user terminal moves to the position covered by the cell signal, or the coverage hole is caused by the fault of the network side, and the network side repairs the fault, so that the user terminal recovers the coverage range of the cell signal.
In step 401, the RRC resume procedure is initiated when the coverage hole is restored to the cell signal coverage, so that the ue can be quickly restored to the inactive state, thereby further improving the data transmission performance of the ue.
As an optional implementation manner, if the data transmission of the ue is interrupted in the inactive state, and the ue recovers from the coverage hole to a cell signal coverage area, initiating an RRC resume procedure, including:
if the data transmission of the user terminal is interrupted in the non-activated state, the user terminal recovers from the coverage hole to a second cell with the cell signal strength larger than or equal to a preset first threshold value, and the second cell is in an access notification area RNA or a paging notification area RPA of the user terminal, and then an RRC resume process is initiated.
The RNA or RPA may be an RNA or RPA recorded in advance by the user terminal, or an RNA or RPA configured in advance for the user terminal by the network side, and the like, which is not limited in this embodiment of the present invention.
In this embodiment, after the ue enters a cell coverage hole, cell signal strength monitoring may be performed, and if it is monitored that the cell signal strength is greater than or equal to a second cell with a preset first threshold and is in an RNA or RPA of the ue, an RRC resume process may be initiated. In addition, the second cell may be a cell different from a cell that the user terminal enters before entering the coverage hole, for example: and the user terminal moves from a certain cell to enter the coverage hole and then monitors the second cell. Of course, this is not limited, for example: the second cell may be the same cell as a cell that the user terminal enters before entering the coverage hole.
The RRC resume process is directly initiated at the user terminal RNA or RPA in the second cell, so that the user terminal can be quickly restored to the non-activated state, and the data transmission performance of the user terminal is further improved.
And step 402, if the RRC resume process is successful, entering an inactive state and transmitting data.
As an optional implementation manner, after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the method further includes:
if the RRC reestablishment process is successful, entering a connection state, and carrying out data transmission in the connection state; or
And if the RRC reestablishment process is successful, entering a connected state, and if indication information which indicates that the network side enters the non-activated state is received in the connected state, entering the non-activated state and carrying out data transmission.
The above embodiments can refer to corresponding descriptions in the embodiment shown in fig. 3, which are not described herein again, and the same effective effects can be achieved.
As an optional implementation manner, after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the method further includes:
if the RRC reestablishment process fails, entering an idle state;
if the monitored cell signal intensity is larger than or equal to a third cell with a preset third threshold value in an idle state, and the third cell is not in the RNA or RPA of the user terminal, initiating an RRC connection establishment process;
and if the monitored cell signal strength is larger than or equal to a third cell with a preset third threshold value in an idle state, the third cell is in the RNA or RPA of the user terminal, and the user terminal also reserves the context information of the user terminal, initiating an RRC resume process.
The above embodiments can refer to corresponding descriptions in the embodiment shown in fig. 3, which are not described herein again, and the same effective effects can be achieved.
As an optional implementation, after the starting the first timer and performing the cell measurement on the first cell, the method further includes:
and if the fourth cell with the cell signal strength larger than or equal to the preset first threshold value is monitored before or after the first timer is overtime, and the fourth cell is not in the RNA or RPA of the user terminal, initiating an RRC reestablishment process.
As an optional implementation, after initiating the RRC resume procedure, the method further includes:
sending interruption parameter information to a network side in an RRC resume process or an RRC reestablishment process; or
Sending interruption parameter information to a network side after an RRC resume process or an RRC reestablishment process is successful;
wherein the interruption parameter information is used for indicating data transmission interruption of the user terminal.
Optionally, the interrupt parameter information includes:
at least one of cell identification before interruption of data transmission, cell signal strength at the time of interruption of data transmission, beam measurement information at the time of interruption of data transmission, location information of interruption of data transmission, and network slice information of interruption of data transmission.
The above embodiments can refer to corresponding descriptions in the embodiment shown in fig. 3, which are not described herein again, and the same effective effects can be achieved.
In this embodiment, various optional implementation manners are added on the basis of the embodiment shown in fig. 2, and all of them can improve the data transmission performance of the user terminal, and quickly recover to an inactive state or a fast access connection state, so as to improve the efficiency of data transmission of the user terminal.
Referring to fig. 5, fig. 5 is a structural diagram of a user terminal according to an embodiment of the present invention, and as shown in fig. 5, a user terminal 500 includes:
a first initiating module 501, configured to initiate an RRC resume process if data transmission of the ue is interrupted in an inactive state;
a first transmission module 502, configured to enter an inactive state and perform data transmission if the RRC resume procedure is successful;
a second initiating module 503, configured to initiate an RRC reestablishment procedure if the RRC resume procedure fails.
Optionally, the first initiating module 501 is configured to initiate an RRC resume process when the measured cell signal strength of the first cell is greater than or equal to a preset first threshold value if the data transmission of the ue is interrupted in the inactive state.
Optionally, as shown in fig. 6, the first initiation module 501 includes:
a monitoring unit 5011, configured to monitor a cell signal strength of the first cell if data transmission of the ue is interrupted in an inactive state;
a measurement unit 5012, configured to start a first timer and perform cell measurement on the first cell if the cell signal strength of the first cell is less than or equal to a preset second threshold;
a first initiating unit 5013, configured to initiate an RRC resume procedure if the cell signal strength of the first cell is measured to be greater than or equal to a preset first threshold before the first timer expires;
wherein the preset first threshold is greater than the preset second threshold.
Optionally, the second initiating module 503 is configured to start a second timer if the RRC resume procedure fails when the first timer is overtime, and initiate an RRC reestablishment procedure within an effective time of the second timer.
Optionally, the first initiating module 501 is configured to initiate an RRC resume process when the ue recovers from the coverage hole to a coverage area of a cell signal if data transmission of the ue is interrupted in an inactive state.
Optionally, the first initiating module 501 is configured to initiate an RRC resume process when the ue recovers from the coverage hole to a second cell whose cell signal strength is greater than or equal to a preset first threshold value if data transmission of the ue is interrupted in the inactive state, and the second cell is in an RNA or an RPA of the ue.
Optionally, as shown in fig. 7, the user terminal 500 further includes:
a second transmission module 504, configured to enter a connected state and perform data transmission in the connected state if the RRC reestablishment process is successful; or
A third transmission module 505, configured to enter a connected state if the RRC reestablishment process is successful, and enter an inactive state and perform data transmission if indication information indicating that the network side enters the inactive state is received in the connected state.
Optionally, as shown in fig. 8, the user terminal 500 further includes:
an entering module 506, configured to enter an idle state if the RRC reestablishment procedure fails;
a third initiating module 507, configured to initiate an RRC connection establishment procedure if it is monitored that the cell signal strength is greater than or equal to a third cell with a preset third threshold in an idle state, and the third cell is not in the RNA or RPA of the user equipment;
a fourth initiating module 508, configured to initiate an RRC resume process if it is monitored in an idle state that the cell signal strength is greater than or equal to a third cell of a preset third threshold, the third cell is in the RNA or RPA of the ue, and the ue further retains context information of the ue.
Optionally, as shown in fig. 9, the user terminal 500 further includes:
a fifth initiating module 509, configured to initiate an RRC reestablishment procedure if it is monitored that the cell signal strength is greater than or equal to the fourth cell of the preset first threshold before or after the first timer expires, and the fourth cell is not in the RNA or RPA of the user equipment.
Optionally, as shown in fig. 10, the user terminal 500 further includes:
a first sending module 510, configured to send the interrupt parameter information to the network side in an RRC resume process or an RRC reestablishment process; or
A second sending module 511, configured to send the interruption parameter information to the network side after the RRC resume process or the RRC reestablishment process is successful;
wherein the interruption parameter information is used for indicating data transmission interruption of the user terminal.
Optionally, the interrupt parameter information includes:
at least one of cell identification before interruption of data transmission, cell signal strength at the time of interruption of data transmission, beam measurement information at the time of interruption of data transmission, location information of interruption of data transmission, and network slice information of interruption of data transmission.
The mobile terminal provided in the embodiment of the present invention can implement each process implemented by the mobile terminal in the method embodiments of fig. 2 to fig. 4, and is not described herein again to avoid repetition. The data transmission performance of the user terminal can be improved.
Figure 11 is a schematic diagram of a hardware structure of a user terminal implementing various embodiments of the present invention,
the user terminal 1100 includes, but is not limited to: radio frequency unit 1101, network module 1102, audio output unit 1103, input unit 1104, sensor 1105, display unit 1106, user input unit 1107, interface unit 1108, memory 1109, processor 1110, and power supply 1111. Those skilled in the art will appreciate that the terminal structure shown in fig. 11 does not constitute a limitation of the terminal, and that the terminal may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
Wherein, the radio frequency unit 1101 is configured to initiate a radio resource control RRC resume process if data transmission of the user equipment is interrupted in an inactive state;
if the RRC resume process is successful, entering an inactive state and transmitting data;
and if the RRC resume process fails, initiating an RRC reestablishment process.
Optionally, the initiating, by the radio frequency unit 1101, an RRC resume procedure if the data transmission of the user equipment is interrupted in the inactive state includes:
if the data transmission of the user terminal is interrupted in the non-activated state, initiating an RRC resume process under the condition that the measured cell signal strength of the first cell is greater than or equal to a preset first threshold value.
Optionally, the initiating, by the radio frequency unit 1101, an RRC resume procedure when the measured cell signal strength of the first cell is greater than or equal to a preset first threshold value if the data transmission of the user equipment is interrupted in the inactive state includes:
if the data transmission of the user terminal is interrupted in the non-activated state, monitoring the cell signal intensity of the first cell;
if the cell signal intensity of the first cell is smaller than or equal to a preset second threshold value, starting a first timer, and carrying out cell measurement on the first cell;
if the cell signal strength of the first cell is measured to be larger than or equal to a preset first threshold value before the first timer is overtime, initiating an RRC resume process;
wherein the preset first threshold is greater than the preset second threshold.
Optionally, if the RRC resume procedure executed by the radio frequency unit 1101 fails, the initiating an RRC reestablishment procedure includes:
if the first timer is overtime, the RRC resume process fails, a second timer is started, and an RRC reestablishment process is initiated within the effective time of the second timer.
Optionally, the initiating, by the radio frequency unit 1101, an RRC resume procedure if the data transmission of the user equipment is interrupted in the inactive state includes:
and if the data transmission of the user terminal is interrupted in the non-activated state, initiating an RRC resume process under the condition that the user terminal recovers from the coverage hole to the coverage range of the cell signal.
Optionally, if the data transmission of the user equipment is interrupted in the inactive state and the user equipment recovers from the coverage hole to the coverage area of the cell signal, the radio frequency unit 1101 initiates an RRC resume process, including:
if the data transmission of the user terminal is interrupted in the non-activated state, the user terminal recovers from the coverage hole to a second cell with the cell signal strength larger than or equal to a preset first threshold value, and the second cell is in an access notification area RNA or a paging notification area RPA of the user terminal, and then an RRC resume process is initiated.
Optionally, after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the radio frequency unit 1101 is further configured to:
if the RRC reestablishment process is successful, entering a connection state, and carrying out data transmission in the connection state; or
And if the RRC reestablishment process is successful, entering a connected state, and if indication information which indicates that the network side enters the non-activated state is received in the connected state, entering the non-activated state and carrying out data transmission.
Optionally, after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the radio frequency unit 1101 is further configured to:
if the RRC reestablishment process fails, entering an idle state;
if the monitored cell signal intensity is larger than or equal to a third cell with a preset third threshold value in an idle state, and the third cell is not in the RNA or RPA of the user terminal, initiating an RRC connection establishment process;
and if the monitored cell signal strength is larger than or equal to a third cell with a preset third threshold value in an idle state, the third cell is in the RNA or RPA of the user terminal, and the user terminal also reserves the context information of the user terminal, initiating an RRC resume process.
Optionally, after starting the first timer and performing cell measurement on the first cell, the radio frequency unit 1101 is further configured to:
and if the fourth cell with the cell signal strength larger than or equal to the preset first threshold value is monitored before or after the first timer is overtime, and the fourth cell is not in the RNA or RPA of the user terminal, initiating an RRC reestablishment process.
Optionally, after initiating the RRC resume procedure, the radio frequency unit 1101 is further configured to:
sending interruption parameter information to a network side in an RRC resume process or an RRC reestablishment process; or
Sending interruption parameter information to a network side after an RRC resume process or an RRC reestablishment process is successful;
wherein the interruption parameter information is used for indicating data transmission interruption of the user terminal.
Optionally, the interrupt parameter information includes:
at least one of cell identification before interruption of data transmission, cell signal strength at the time of interruption of data transmission, beam measurement information at the time of interruption of data transmission, location information of interruption of data transmission, and network slice information of interruption of data transmission.
The user terminal 1100 described above can improve data transmission performance.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 1101 may be configured to receive and transmit signals during a message transmission or a call, and specifically, receive downlink data from a base station and then process the received downlink data to the processor 1110; in addition, the uplink data is transmitted 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 frequency unit 1101 may also communicate with a network and other devices through a wireless communication system.
The user terminal provides wireless broadband internet access to the user through the network module 1102, such as helping the user send and receive e-mails, browse web pages, and access streaming media.
The audio output unit 1103 may convert 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 sound. Also, the audio output unit 1103 may also provide audio output related to a specific function performed by the user terminal 1100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 1103 includes a speaker, a buzzer, a receiver, and the like.
The input unit 1104 is used to receive audio or video signals. The input Unit 1104 may include a Graphics Processing Unit (GPU) 11041 and a microphone 11042, and the Graphics processor 11041 processes image data of still pictures or video obtained by an image capturing device, such as a camera, in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 1106. The image frames processed by the graphic processor 11041 may be stored in the memory 1109 (or other storage medium) or transmitted via the radio frequency unit 1101 or the network module 1102. The microphone 11042 may receive sound and can process such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 1101 in case of the phone call mode.
The user terminal 1100 also includes at least one sensor 1105, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 11061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 11061 and/or a backlight when the user terminal 1100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 1105 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., and will not be described in detail herein.
The display unit 1106 is used to display information input by a user or information provided to the user. The Display unit 1106 may include a Display panel 11061, and the Display panel 11061 may 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 may be used to receive input numeric or character information and 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, may collect touch operations by a user on or near the touch panel 11071 (e.g., operations by a user on or near the touch panel 11071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 11071 may include two portions of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, and sends the touch point coordinates to the processor 1110, and receives and executes commands sent from the processor 1110. In addition, the touch panel 11071 may be implemented by various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The user input unit 1107 may include other input devices 11072 in addition to the touch panel 11071. In particular, the other input devices 11072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 11071 can be overlaid on the display panel 11061, and when the touch panel 11071 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 1110 to determine the type of the touch event, and then the processor 1110 provides a corresponding visual output on the display panel 11061 according to the type of the touch event. Although the touch panel 11071 and the display panel 11061 are shown in fig. 11 as two separate 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 to implement the input and output functions of the terminal, and the implementation is not limited herein.
The interface unit 1108 is an interface through 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 supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. Interface unit 1108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within user terminal 1100 or may be used to transmit data between user terminal 1100 and external devices.
The memory 1109 may 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, where the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory 1109 may include high speed random access memory and may 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, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 1109 and calling data stored in the memory 1109, thereby integrally monitoring the terminal. Processor 1110 may include one or more processing units; preferably, the processor 1110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 1110.
The user terminal 1100 may further include a power supply 1111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 1111 may be logically connected to the processor 1110 through a power management system, so as to manage charging, discharging, and power consumption management functions through the power management system.
In addition, the user terminal 1100 includes some functional modules that are not shown, and thus, are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, including a processor 1110, a memory 1109, and a computer program stored in the memory 1109 and capable of running on the processor 1110, where the computer program, when executed by the processor 1110, implements each process of the data transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the data transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (20)
1. A data transmission method is applied to a user terminal, and is characterized by comprising the following steps:
if the data transmission of the user terminal is interrupted in the non-activated state, initiating a Radio Resource Control (RRC) resume process;
if the RRC resume process is successful, entering an inactive state and transmitting data;
if the RRC resume process fails, initiating an RRC reestablishment process;
if the data transmission of the user terminal is interrupted in the non-activated state, initiating an RRC resume process, including:
if the data transmission of the user terminal is interrupted in the non-activated state, initiating an RRC resume process under the condition that the measured cell signal strength of the first cell is greater than or equal to a preset first threshold value; alternatively, the first and second electrodes may be,
and if the data transmission of the user terminal is interrupted in the non-activated state, initiating an RRC resume process under the condition that the user terminal recovers from the coverage hole to the coverage range of the cell signal.
2. The method of claim 1, wherein if the ue is in an inactive state and data transmission is interrupted, initiating an RRC resume procedure when the measured cell signal strength of the first cell is greater than or equal to a preset first threshold, comprising:
if the data transmission of the user terminal is interrupted in the non-activated state, monitoring the cell signal intensity of a first cell;
if the cell signal intensity of the first cell is smaller than or equal to a preset second threshold value, starting a first timer, and carrying out cell measurement on the first cell;
if the cell signal strength of the first cell is measured to be larger than or equal to a preset first threshold value before the first timer is overtime, initiating an RRC resume process;
wherein the preset first threshold is greater than the preset second threshold.
3. The method of claim 2, wherein the initiating the RRC reestablishment procedure if the RRC resume procedure fails comprises:
if the first timer is overtime, the RRC resume process fails, a second timer is started, and an RRC reestablishment process is initiated within the effective time of the second timer.
4. The method of claim 1, wherein the initiating the RRC resume procedure when the ue recovers from a coverage hole to within a cell signal coverage if the ue has interrupted data transmission in the inactive state comprises:
if the data transmission of the user terminal is interrupted in the non-activated state, the user terminal recovers from the coverage hole to a second cell with the cell signal strength larger than or equal to a preset first threshold value, and the second cell is in an access notification area RNA or a paging notification area RPA of the user terminal, and then an RRC resume process is initiated.
5. The method of any of claims 1 to 4, wherein after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the method further comprises:
if the RRC reestablishment process is successful, entering a connection state, and carrying out data transmission in the connection state; or
And if the RRC reestablishment process is successful, entering a connected state, and if indication information which indicates that the network side enters the non-activated state is received in the connected state, entering the non-activated state and carrying out data transmission.
6. The method of any of claims 1 to 4, wherein after initiating the RRC reestablishment procedure if the RRC resume procedure fails, the method further comprises:
if the RRC reestablishment process fails, entering an idle state;
if the monitored cell signal intensity is larger than or equal to a third cell with a preset third threshold value in an idle state, and the third cell is not in the RNA or RPA of the user terminal, initiating an RRC connection establishment process;
and if the monitored cell signal strength is larger than or equal to a third cell with a preset third threshold value in an idle state, the third cell is in the RNA or RPA of the user terminal, and the user terminal also reserves the context information of the user terminal, initiating an RRC resume process.
7. The method of claim 2 or 3, wherein after the starting of the first timer and the cell measurement of the first cell, the method further comprises:
and if the fourth cell with the cell signal strength larger than or equal to the preset first threshold value is monitored before or after the first timer is overtime, and the fourth cell is not in the RNA or RPA of the user terminal, initiating an RRC reestablishment process.
8. The method of any of claims 1-4, wherein after the initiating the RRC resume procedure, the method further comprises:
sending interruption parameter information to a network side in an RRC resume process or an RRC reestablishment process; or
Sending interruption parameter information to a network side after an RRC resume process or an RRC reestablishment process is successful;
wherein the interruption parameter information is used for indicating data transmission interruption of the user terminal.
9. The method of claim 8, wherein the interruption parameter information comprises:
at least one of cell identification before interruption of data transmission, cell signal strength at the time of interruption of data transmission, beam measurement information at the time of interruption of data transmission, location information of interruption of data transmission, and network slice information of interruption of data transmission.
10. A user terminal, comprising:
a first initiating module, configured to initiate an RRC resume procedure if data transmission of the ue is interrupted in an inactive state;
the first transmission module is used for entering an inactive state and transmitting data if the RRC resume process is successful;
a second initiating module, configured to initiate an RRC reestablishment procedure if the RRC resume procedure fails;
the first initiating module is configured to initiate an RRC resume procedure when the measured cell signal strength of the first cell is greater than or equal to a preset first threshold value if the data transmission of the user terminal is interrupted in the inactive state; alternatively, the first and second electrodes may be,
the first initiating module is used for initiating an RRC resume process under the condition that the user terminal recovers from the coverage hole to the cell signal coverage area if the data transmission of the user terminal is interrupted in the non-activated state.
11. The user terminal of claim 10, wherein the first initiation module comprises:
a monitoring unit, configured to monitor a cell signal strength of a first cell if data transmission of the user terminal is interrupted in an inactive state;
the measurement unit is used for starting a first timer and carrying out cell measurement on the first cell if the cell signal strength of the first cell is less than or equal to a preset second threshold value;
a first initiating unit, configured to initiate an RRC resume procedure if the cell signal strength of the first cell is measured to be greater than or equal to a preset first threshold before the first timer expires;
wherein the preset first threshold is greater than the preset second threshold.
12. The ue according to claim 11, wherein the second initiating module is configured to start a second timer if the first timer expires and the RRC resume procedure fails, and initiate an RRC reestablishment procedure within a valid time of the second timer.
13. The ue of claim 10, wherein the first initiating module is configured to initiate an RRC resume procedure when the ue recovers from a coverage hole to a second cell with a cell signal strength greater than or equal to a preset first threshold if data transmission of the ue is interrupted in an inactive state, and the second cell is in an RNA or RPA of the ue.
14. The user terminal according to any of claims 10 to 13, wherein the user terminal further comprises:
the second transmission module is used for entering a connection state and transmitting data in the connection state if the RRC reestablishment process is successful; or
And the third transmission module is used for entering a connected state if the RRC reestablishment process is successful, and entering an inactivated state and transmitting data if indication information which indicates that the network side enters the inactivated state and is sent by the network side is received in the connected state.
15. The user terminal according to any of claims 10 to 13, wherein the user terminal further comprises:
an entering module, configured to enter an idle state if the RRC reestablishment procedure fails;
a third initiating module, configured to initiate an RRC connection establishment procedure if it is monitored in an idle state that a cell signal strength is greater than or equal to a third cell with a preset third threshold, and the third cell is not in an RNA or an RPA of the ue;
a fourth initiating module, configured to initiate an RRC resume process if it is monitored in an idle state that a cell signal strength is greater than or equal to a third cell with a preset third threshold, the third cell is in an RNA or RPA of the ue, and the ue further retains context information of the ue.
16. The user terminal according to claim 11 or 12, wherein the user terminal further comprises:
a fifth initiating module, configured to initiate an RRC reestablishment procedure if it is monitored that the cell signal strength is greater than or equal to the fourth cell of the preset first threshold and the fourth cell is not in the RNA or RPA of the user equipment before or after the first timer expires.
17. The user terminal according to any of claims 10 to 13, wherein the user terminal further comprises:
a first sending module, configured to send interrupt parameter information to a network side in an RRC resume process or an RRC reestablishment process; or
A second sending module, configured to send the interrupt parameter information to the network side after the RRC resume procedure or the RRC reestablishment procedure is successful;
wherein the interruption parameter information is used for indicating data transmission interruption of the user terminal.
18. The user terminal of claim 17, wherein the interruption parameter information comprises:
at least one of cell identification before interruption of data transmission, cell signal strength at the time of interruption of data transmission, beam measurement information at the time of interruption of data transmission, location information of interruption of data transmission, and network slice information of interruption of data transmission.
19. A user terminal, comprising: memory, processor and computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, carries out the steps in the data transmission method according to any one of claims 1 to 9.
20. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the data transmission method according to one of claims 1 to 9.
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| CN201810016512.5A CN110022567B (en) | 2018-01-08 | 2018-01-08 | Data transmission method and user terminal |
| PCT/CN2019/070071 WO2019134644A1 (en) | 2018-01-08 | 2019-01-02 | Data transmission method and user terminal |
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| CN201810016512.5A CN110022567B (en) | 2018-01-08 | 2018-01-08 | Data transmission method and user terminal |
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| CN116210259A (en) * | 2020-07-31 | 2023-06-02 | 中兴通讯股份有限公司 | Data transmission in the inactive state |
| CN114390567A (en) * | 2020-10-22 | 2022-04-22 | 大唐移动通信设备有限公司 | Exception handling method, terminal and storage medium |
| EP4240098A4 (en) * | 2020-12-25 | 2024-01-03 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Data transmission method and apparatus, communication device, and storage medium |
| CN114828112B (en) * | 2021-01-29 | 2024-03-08 | 大唐移动通信设备有限公司 | Service reliability processing method, device and storage medium |
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| US7957360B2 (en) * | 2007-01-09 | 2011-06-07 | Motorola Mobility, Inc. | Method and system for the support of a long DRX in an LTE—active state in a wireless network |
| US8396037B2 (en) * | 2008-06-23 | 2013-03-12 | Htc Corporation | Method for synchronizing PDCP operations after RRC connection re-establishment in a wireless communication system and related apparatus thereof |
| US9363694B2 (en) * | 2012-06-29 | 2016-06-07 | Apple Inc. | Determining connection states of a mobile wireless device |
| CN107302788A (en) * | 2016-04-14 | 2017-10-27 | 中兴通讯股份有限公司 | The system of selection of core net, apparatus and system |
| WO2017184837A1 (en) * | 2016-04-20 | 2017-10-26 | Convida Wireless, Llc | Downlink synchronization |
| CN106304215A (en) * | 2016-08-30 | 2017-01-04 | 湖南中车时代通信信号有限公司 | Self adaptation railway private network and the method and system of public network |
| CN106658758A (en) * | 2017-02-10 | 2017-05-10 | 北京小米移动软件有限公司 | State conversion method, state keeping method and device, and user equipment |
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