CN109982394A - Method and device for signaling interaction - Google Patents

Abstract

A method and device for signaling interaction are disclosed in the embodiments of the present application. In order to determine that a response message returned by a terminal is not received within a preset response time, the method sends a cell query message to a source cell; the source cell receives a cell query message based on the cell query The cell response message returned by the message includes the reestablished cell set, wherein the reestablished cell set at least includes each reestablished cell for which the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell; the terminal based on the local record is disconnected from the source cell. For each historical cell that has established a communication connection before the communication connection, obtain a set of historical cells, and obtain a set of candidate cells based on the set of historical cells and the set of reconstructed cells included in the cell response message; through each cell in the set of candidate cells respectively A control message containing specified signaling is sent to the terminal. In this way, the success rate of signaling interaction and the user's communication experience are improved.

Description

Method and device for signaling interaction

technical field

The present application relates to the field of communication technologies, and in particular, to a method and apparatus for signaling interaction.

Background technique

When a call is made through the data transmission technology (Voice over Long Term Evolution, VoLTE), the mobility management entity (Mobility Management Entity, MME) will send the signaling to be transmitted to the corresponding terminal through the cell, but due to signal interference and signal interference Due to problems such as weak coverage, the radio resource control (Radio Resource Control, RRC) connection between the cell and the terminal may be disconnected, which may cause the terminal to fail to receive signaling.

In the prior art, the method of signaling retransmission is usually used to improve the success rate of signaling transmission, that is, after the MME sends signaling to the source cell, when it is determined that the source cell fails to send signaling to the terminal, according to the set number of times, The signaling is retransmitted multiple times to the terminal through the source cell.

However, in this way, after the RRC connection between the terminal and the cell is disconnected, a cell with the highest signal strength will be selected in the neighboring cells to re-establish the RRC connection, and the cell corresponding to the connection of the terminal stored in the MME is not in time. Corresponding updates are performed. Therefore, the MME will still send signaling to the terminal through the stored source cell, which will cause signaling failures and failure of user calls to be connected, which brings inconvenience to users and reduces user communication. experience.

SUMMARY OF THE INVENTION

Embodiments of the present application provide a signaling interaction method and apparatus, which are used to improve the success rate of signaling transmission and the user's communication experience when the communication connection between the terminal and the source cell is disconnected.

The specific technical solutions provided by the embodiments of the present application are as follows:

In a first aspect, a method for signaling interaction includes:

Determine that the response message returned by the terminal is not received within the preset response time, and send a cell query message to the source cell;

receiving a cell response message including a set of re-established cells returned by the source cell based on the cell query message, wherein the set of re-established cells at least includes each re-established cell for which the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell;

Based on each historical cell that the terminal has established a communication connection with before disconnecting the communication connection with the source cell based on the local record, obtain the historical cell set, and obtain the candidate cell set based on the historical cell set and the reconstructed cell set included in the cell response message;

A control message containing designated signaling is sent to the terminal through each cell in the set of candidate cells respectively.

Preferably, the re-established cell is obtained based on the re-established cell message including the re-established cell identification information sent by the received re-established cell after the source base station disconnects the communication connection with the terminal.

Preferably, a set of historical cells is obtained based on each historical cell in which the terminal has established a communication connection before disconnecting the communication connection with the source cell based on the local record, specifically including:

Based on the locally stored historical cell connection information, each historical cell for which the terminal has established a communication connection within a preset time before disconnecting from the source cell is acquired, and the set of each historical cell is used as the historical cell set; or,

Based on the locally stored historical cell connection information, acquire each historical cell where the terminal has established a communication connection within a preset time before disconnecting from the source cell, and acquire each surrounding cell within the first preset range of each historical cell , and the acquired collection of each historical cell and surrounding cells is taken as the collection of historical cells; or,

Based on the locally stored historical cell connection information, each historical cell that the terminal has established a communication connection with within a preset time before disconnecting from the source cell is acquired, and the system cells within the second preset range of the source cell are acquired, and the The acquired set of each historical cell and system cell is taken as the set of historical cells.

Preferably, it further includes:

The cell that does not return a corresponding response message within the preset response time is regarded as the cell to be deleted;

When it is determined that the cell to be deleted is included in the historical cell set, delete adjustment is performed on the historical cell set; or/and, when it is determined that the rebuilt cell set includes the cell to be deleted, a deletion response message including the cell to be deleted is sent to the source cell, triggering the source The cell performs deletion adjustment on the set of reestablished cells based on the cells to be deleted.

In a second aspect, an apparatus for signaling interaction includes:

a first sending unit, configured to determine that no response message returned by the terminal is received within a preset response time, and send a cell query message to the source cell;

a receiving unit, configured to receive a cell response message including a set of re-established cells returned by the source cell based on the cell query message, wherein the set of re-established cells at least includes each of the re-established cells for which the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell;

The obtaining unit is used to obtain a set of historical cells based on each historical cell that the terminal has established a communication connection with before disconnecting the communication connection with the source cell based on the local record, and based on the set of historical cells and the set of reconstructed cells contained in the cell response message, obtain Set of candidate cells;

The second sending unit is configured to send a control message including designated signaling to the terminal through each cell in the set of candidate cells respectively.

Preferably, the re-established cell is obtained based on the re-established cell message including the re-established cell identification information sent by the received re-established cell after the source base station disconnects the communication connection with the terminal.

Preferably, when obtaining a set of historical cells based on each historical cell that the terminal has established a communication connection with before disconnecting the communication connection with the source cell based on the local record, the obtaining unit is specifically used for:

Based on the locally stored historical cell connection information, each historical cell for which the terminal has established a communication connection within a preset time before disconnecting from the source cell is acquired, and the set of each historical cell is used as the historical cell set; or,

Based on the locally stored historical cell connection information, acquire each historical cell where the terminal has established a communication connection within a preset time before disconnecting from the source cell, and acquire each surrounding cell within the first preset range of each historical cell , and the acquired collection of each historical cell and surrounding cells is taken as the collection of historical cells; or,

Based on the locally stored historical cell connection information, each historical cell that the terminal has established a communication connection with within a preset time before disconnecting from the source cell is acquired, and the system cells within the second preset range of the source cell are acquired, and the The acquired set of each historical cell and system cell is taken as the set of historical cells.

Preferably, the second sending unit is further used for:

The cell that does not return a corresponding response message within the preset response time is regarded as the cell to be deleted;

When it is determined that the cell to be deleted is included in the historical cell set, delete adjustment is performed on the historical cell set; or/and, when it is determined that the rebuilt cell set includes the cell to be deleted, a deletion response message including the cell to be deleted is sent to the source cell, triggering the source The cell performs deletion adjustment on the set of reestablished cells based on the cells to be deleted.

In a third aspect, an electronic device includes: one or more processors; and

One or more computer-readable media on which a program for signaling interaction is stored, wherein, when the program is executed by one or more processors, the steps of the method in any one of the above-mentioned first aspects are implemented.

In the fourth aspect, one or more computer-readable media on which a program for signaling interaction is stored, wherein, when the program is executed by one or more processors, the communication device is made to execute any one of the above-mentioned first aspects. item method.

In the embodiment of the present application, when it is determined that the communication connection between the terminal and the source cell is disconnected, based on each reestablished cell in which the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell, and Each historical cell that has established a communication connection before connection obtains a set of candidate cells, and sends a control message containing designated signaling to the terminal based on each cell in the set of candidate cells. In this way, after the communication connection between the terminal and the source cell is disconnected, a control message including signaling can be sent to the terminal through each cell that has established a communication connection with the cell, which improves the success rate of signaling interaction and the communication between users. experience.

Description of drawings

FIG. 1 is a flowchart of a method for signaling interaction in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of an apparatus for signaling interaction in an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the protection of the present application.

In order to improve the success rate of signaling transmission and the user's communication experience when the communication connection between the terminal and the source cell is disconnected, a signaling interaction method is designed in this embodiment of the present application. When the communication connection with the source cell is disconnected, based on each reestablished cell where the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell, and the various histories that the terminal established the communication connection before disconnecting the communication connection with the source cell cell, obtain a set of candidate cells, and send a control message including designated signaling to the terminal based on each cell in the set of candidate cells.

The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and not to limit the present invention, and the present application The embodiments in and features in the embodiments can be combined with each other.

Referring to FIG. 1, it is a flowchart of signaling interaction. In this embodiment of the present application, the specific process of signaling interaction is as follows:

Step 100: The MME sends a control message including designated signaling to the terminal through the source cell.

Step 101: When the MME determines that the response message of the control message returned by the terminal is not received within the preset response time, the MME retransmits the control message according to the set number of times.

Specifically, when the MME determines that the response message corresponding to the control message returned by the terminal through the source cell is not received, the MME retransmits the control message to the terminal through the source cell, and stops sending the control message until the number of times of sending reaches the set number of times, or the signaling is successfully sent.

In this way, when it is determined that the transmission of the control message fails, multiple retransmissions can be performed according to the set number of times, so as to improve the success rate of signaling transmission.

Step 102: The MME sends a cell query message to the source cell when it determines that the number of times of sending the control message reaches a set number, and when no response message is received within a preset response time after sending the control message.

Step 103: Based on the received cell query message, the source cell sends a cell response message including the set of reestablished cells to the MME.

Specifically, when step 103 is executed, when the source cell acquires a reestablished cell, the following methods may be used:

First, when the terminal determines that the communication connection with the source cell is disconnected, it selects a cell with the highest signal strength among the neighboring cells, that is, the reestablished cell for communication connection.

Then, the re-established cell sends a re-established cell message including the re-established cell identification information to the source cell.

Next, the source cell acquires the re-established cell included in the re-established cell message based on the received re-established cell message.

For example, after the terminal determines to disconnect the communication connection with the source cell, it reconnects with the cell 11. Then, the cell 11 sends the re-established cell message including the identification information of the cell 11 to the source cell, and the source cell adds the cell 11 to the re-established cell. in the collection.

Further, the set of re-established cells may further include each cell within the preset re-establishment range of each re-established cell.

In this way, it is possible to acquire each cell to which the communication connection is re-established after the terminal disconnects the communication connection with the source cell.

Step 104: The MME obtains a set of historical cells based on each historical cell recorded locally that the terminal has established a communication connection with before disconnecting the communication connection with the source cell.

Specifically, when the MME obtains the historical cell set, it can adopt the following methods:

The first method is: based on the locally stored historical cell connection information, obtain each historical cell for which the terminal has established a communication connection within a preset time before disconnecting from the source cell, and use the collection of each historical cell as the historical cell gather.

The second method is: based on the locally stored historical cell connection information, obtain each historical cell in which the terminal has established a communication connection within a preset time before disconnecting from the source cell, and obtain the first preset of each historical cell. Each surrounding cell within the range, and the acquired collection of each historical cell and surrounding cells are taken as a collection of historical cells.

In this way, each cell in the corresponding coverage area can be acquired based on each historical cell that has established a communication connection with the terminal, thereby expanding the range of the candidate cell.

The third method is: based on the locally stored historical cell connection information, obtain each historical cell that the terminal has established a communication connection with within a preset time before disconnecting from the source cell, and obtain the second preset range of the source cell. The obtained system cell, and the acquired collection of each historical cell and system cell is taken as the collection of historical cells.

In this way, the MME can, according to the locally recorded history of the connection between the terminal and the cell, obtain each historical cell that has established a connection with the terminal in a short time before the terminal disconnects the communication connection with the source cell, and obtain surrounding information based on each historical cell. and each cell in the vicinity of the source cell can be acquired, so that in subsequent steps, a control message can be sent to the terminal through each acquired cell.

Step 105: The MME obtains the candidate cell set based on the acquired historical cell set and the reconstructed cell set.

Specifically, when step 105 is performed, the MME may select any one or a combination of the historical cell set and the reestablished cell set as the candidate cell.

Step 106: The MME sends a control message including designated signaling through each cell in the candidate cell set.

In this way, after the MME determines that the terminal is disconnected from the source cell, it can perform signaling interaction with the terminal through each cell in the set of candidate cells, thereby improving the success rate of information exchange.

Step 107: The MME regards the cells that do not return a corresponding response message within the preset response time as the cells to be deleted, and adjusts the historical cell set and the reestablished cell set based on the acquired cells to be deleted.

Specifically, firstly, the MME regards the cell that does not return a corresponding response message within the preset response time as the cell to be deleted.

Then, when the MME determines that the cells to be deleted are included in the historical cell set, the MME adjusts the historical cell set based on the included cells to be deleted.

Next, when the MME determines that the reestablished cell includes the cell to be deleted, it sends a deletion response message including the cell to be deleted to the source cell.

Further, based on the acquired cells to be deleted, the source cell deletes the included cells to be deleted in the reestablished cells.

In an embodiment of the present application, an electronic device includes: one or more processors; and

One or more computer-readable media on which a program for signaling interaction is stored, wherein, when the program is executed by one or more processors, each step in the foregoing embodiment is implemented.

In this embodiment of the present application, one or more computer-readable media stores a program for signaling interaction on the readable medium, where, when the program is executed by one or more processors, the communication device can execute the foregoing embodiments in each step.

Based on the above embodiment, referring to the schematic structural diagram of the apparatus for signaling interaction shown in FIG. 2 , in the embodiment of the present application, the apparatus for signaling interaction specifically includes:

The first sending unit 20 is configured to determine that no response message returned by the terminal is received within a preset response time, and send a cell query message to the source cell;

A receiving unit 21, configured to receive a cell response message including a set of reestablished cells returned by the source cell based on the cell query message, wherein the set of reestablished cells at least includes each reestablished cell for which the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell ;

The obtaining unit 22 is used to obtain a collection of historical cells based on each historical cell that the terminal of the local record has established a communication connection with before disconnecting the communication connection with the source cell, and based on the collection of historical cells and the reconstructed cell collection contained in the cell response message, Obtain a set of candidate cells;

The second sending unit 23 is configured to send a control message including designated signaling to the terminal through each cell in the set of candidate cells respectively.

Preferably, the re-established cell is obtained based on the re-established cell message including the re-established cell identification information sent by the received re-established cell after the source base station disconnects the communication connection with the terminal.

Preferably, when obtaining a set of historical cells based on each historical cell that the terminal has established a communication connection with before disconnecting the communication connection with the source cell based on the local record, the obtaining unit 22 is specifically used for:

Based on the locally stored historical cell connection information, each historical cell for which the terminal has established a communication connection within a preset time before disconnecting from the source cell is acquired, and the set of each historical cell is used as the historical cell set; or,

Based on the locally stored historical cell connection information, acquire each historical cell where the terminal has established a communication connection within a preset time before disconnecting from the source cell, and acquire each surrounding cell within the first preset range of each historical cell , and the acquired collection of each historical cell and surrounding cells is taken as the collection of historical cells; or,

Based on the locally stored historical cell connection information, each historical cell that the terminal has established a communication connection with within a preset time before disconnecting from the source cell is acquired, and the system cells within the second preset range of the source cell are acquired, and the The acquired set of each historical cell and system cell is taken as the set of historical cells.

Preferably, the second sending unit 23 is further used for:

The cell that does not return a corresponding response message within the preset response time is regarded as the cell to be deleted;

When it is determined that the cell to be deleted is included in the historical cell set, delete adjustment is performed on the historical cell set; or/and, when it is determined that the rebuilt cell set includes the cell to be deleted, a deletion response message including the cell to be deleted is sent to the source cell, triggering the source The cell performs deletion adjustment on the set of reestablished cells based on the cells to be deleted.

In the embodiment of the present application, when it is determined that the communication connection between the terminal and the source cell is disconnected, based on each reestablished cell in which the terminal re-establishes the communication connection after disconnecting the communication connection with the source cell, and Each historical cell that has established a communication connection before connection obtains a set of candidate cells, and sends a control message containing designated signaling to the terminal based on each cell in the set of candidate cells. In this way, after the communication connection between the terminal and the source cell is disconnected, a control message including signaling can be sent to the terminal through each cell that has established a communication connection with the cell, which improves the success rate of signaling interaction and the communication between users. experience.

Those skilled in the art should understand that the embodiments in the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein .

The embodiments of the present application are described with reference to the flowcharts and/or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions The apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

Although the preferred embodiments of the embodiments of the present application have been described, additional changes and modifications to these embodiments may be made by those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present application.

Obviously, those skilled in the art can make various changes and modifications to the embodiments in the embodiments of the present application without departing from the spirit and scope of the embodiments in the embodiments of the present application. In this way, if these modifications and variations of the embodiments in the embodiments of the present application fall within the scope of the claims in the embodiments of the present application and their equivalents, the embodiments of the present application are also intended to include these modifications and variations.

Claims (7)

1. A method for signaling interaction, comprising: Determine that the response message returned by the terminal is not received within the preset response time, and send a cell query message to the source cell; Receive a cell response message including a set of re-established cells returned by the source cell based on the cell query message, wherein the set of re-established cells at least includes the terminal re-establishing a communication connection after disconnecting the communication connection with the source cell each of the reconstructed districts; Obtain a set of historical cells based on each historical cell that the terminal has established a communication connection with before disconnecting from the source cell recorded locally, and based on the set of historical cells and the reconstructed cells contained in the cell response message Set to obtain a set of candidate cells; Send a control message including designated signaling to the terminal through each cell in the set of candidate cells respectively. 2 . The method according to claim 1 , wherein the re-established cell is a message containing re-established cell identification information sent by the source base station based on the received re-established cell after disconnecting the communication connection with the terminal. 3 . Rebuild cell message obtained. 3. The method according to claim 1, wherein, based on each historical cell in which the terminal has established a communication connection with the source cell before disconnecting the communication connection with the local record, a collection of historical cells is obtained, specifically comprising: Based on the locally stored historical cell connection information, obtain each historical cell for which the terminal has established a communication connection within a preset time before disconnecting from the source cell, and use the set of each historical cell as the historical cell set; or, Based on the locally stored historical cell connection information, acquire each historical cell in which the terminal has established a communication connection within a preset time before disconnecting from the source cell, and acquire the first preset range of each historical cell Each surrounding cell of , and the acquired collection of each historical cell and surrounding cells is taken as the collection of historical cells; or, Based on the locally stored historical cell connection information, acquire each historical cell in which the terminal has established a communication connection within a preset time before disconnecting from the source cell, and acquire a second preset range of the source cell The obtained system cell, and the acquired collection of each historical cell and system cell is taken as the collection of historical cells. 4. The method of any one of claims 1-3, further comprising: Taking the cell that does not return a corresponding response message within the preset response time as the cell to be deleted; When it is determined that the cell to be deleted is included in the set of historical cells, delete adjustment is performed on the set of historical cells; or/and, when it is determined that the cell to be deleted is included in the set of reconstructed cells, the set of cells to be deleted is determined to be included in the set of cells to be deleted. A cell deletion response message is sent to the source cell, triggering the source cell to perform deletion adjustment on the reestablished cell set based on the to-be-deleted cell. 5. A device for signaling interaction, comprising: a first sending unit, configured to determine that no response message returned by the terminal is received within a preset response time, and send a cell query message to the source cell; a receiving unit, configured to receive a cell response message including a set of re-established cells returned by the source cell based on the cell query message, wherein the set of re-established cells at least includes the terminal disconnecting the communication connection with the source cell Each reestablished cell that re-establishes the communication connection afterward; an obtaining unit, configured to obtain a set of historical cells based on each historical cell that the terminal has established a communication connection with before disconnecting the communication connection with the source cell, and based on the set of historical cells and the cell response message The reconstructed cell set included in the , obtain the candidate cell set; The second sending unit is configured to send a control message including designated signaling to the terminal through each cell in the candidate cell set respectively. 6. An electronic device, comprising: one or more processors; and One or more computer-readable media on which a program for signaling interaction is stored, wherein, when the program is executed by one or more processors, the method of any one of claims 1-4 is implemented. step. 7. One or more computer-readable media, characterized in that, a program for signaling interaction is stored on the readable medium, wherein, when the program is executed by one or more processors, the communication device is made to perform as claimed in claim 1- 4. The method of any one.