CN116347544A - Target base station switching method, system, base station equipment and storage medium - Google Patents
Target base station switching method, system, base station equipment and storage medium Download PDFInfo
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- CN116347544A CN116347544A CN202310397096.9A CN202310397096A CN116347544A CN 116347544 A CN116347544 A CN 116347544A CN 202310397096 A CN202310397096 A CN 202310397096A CN 116347544 A CN116347544 A CN 116347544A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention relates to the field of communication and discloses a target base station switching method, a system, base station equipment and a storage medium, wherein the method comprises the following steps: in a switching process of switching a client from a source base station to a target base station, if a reconstruction request sent by the client is received, analyzing the reconstruction request to determine a reconstruction reason; if the reconstruction reason is the target reason, caching the current switching flow and starting to execute the reconstruction flow; and restarting the cached switching process after the reestablishment process is successful so as to finish switching. When the mobile equipment is switched, the switching failure is not directly caused by the reconstruction, and the reconstruction can be finished firstly to protect the data cached by the client in the base station to the maximum extent.
Description
Technical Field
The present invention relates to the field of communications, and in particular, to a target base station switching method, system, base station device, and storage medium.
Background
When the mobile phone moves to the cell edge, switching can occur, if the target base station is rebuilt on the mobile phone in the switching completion stage, and when the target base station finds the UE context, the target base station processing is usually to terminate the switching failure, and the reestablishing flow is processed, so that the switching success rate can be reduced, meanwhile, the data forwarded to the target station by the source base station can be caused to be discarded by the target station, the lossless switching can not be realized, the experience feeling of a user when the user uses a network in the moving process is poor, the network fluctuation caused by the mobile phone when the mobile phone is switched between the base stations is easy to be perceived, the repeated reestablishing and switching operation can waste the flow of the user, and the working pressure of the base station can be increased.
Disclosure of Invention
In a first aspect, the present application provides a target base station handover method, applied to a target base station, including:
in a switching process of switching a client from a source base station to a target base station, if a reconstruction request sent by the client is received, analyzing the reconstruction request to determine a reconstruction reason;
if the reconstruction reason is the target reason, caching the current switching flow and starting to execute the reconstruction flow;
and restarting the cached switching process after the reestablishment process is successful so as to finish switching.
Further, the caching the current switching flow includes:
and searching a context associated with the client, searching related data of a switching process of the client according to the context, and caching the related data to cache the switching process.
Further, the performing a reconstruction process includes:
sending a reconstruction signaling and a reconfiguration signaling to the client;
if the client replies successful reconstruction and successful reconfiguration, the reconstruction process is successful, and if the client replies failed reconstruction or failed reconfiguration, the reconstruction process is failed.
Further, the method further comprises:
and if the reestablishment reason is not the target reason, releasing the instance of the client, replying the failure of the switching flow to the client, and accessing the client to the target base station through an initial access flow.
Further, the method further comprises:
and if the reestablishment flow fails, releasing the instance of the client, replying the reestablishment flow failure to the client, closing the switching flow, and notifying the client of the switching failure result.
Further, the performing the reconstruction process includes:
and continuously receiving and caching the client data returned from the source base station, and encrypting the client data by utilizing the wireless resource control layer of the target base station.
In a second aspect, the present application further provides a target base station switching system, which is applied between a client, a source base station and a target base station;
when the client side executes a switching process of switching from a source base station to the target base station and sends a reconstruction request to the target base station, the target base station identifies the reconstruction request, determines the reconstruction reason of the reconstruction request, caches relevant data of the switching process if the reconstruction reason is the target reason, and starts to execute the reconstruction request;
and if the reconstruction request is successfully executed, the target base station continues to execute the switching process according to the cached related data of the switching process.
Further, if the reconstruction reason is not the target reason, the method further includes:
the target base station releases the client instance of the client, feeds back the failure of the switching process to the client, and ends the switching process;
and the client accesses the target base station again through the initial access flow.
In a third aspect, the present application also provides a base station apparatus, comprising a processor and a memory, the memory storing a computer program which, when run on the processor, performs the target base station handover method.
In a fourth aspect, the present application also provides a readable storage medium storing a computer program which, when run on a processor, performs the target base station handover method.
The invention discloses a target base station switching method, a system, base station equipment and a storage medium, wherein the method comprises the following steps: in a switching process of switching a client from a source base station to a target base station, if a reconstruction request sent by the client is received, analyzing the reconstruction request to determine a reconstruction reason; if the reconstruction reason is the target reason, caching the current switching flow and starting to execute the reconstruction flow; and restarting the cached switching process after the reestablishment process is successful so as to finish switching. When the mobile equipment is switched, the switching failure is not directly caused by the reconstruction, and the reconstruction can be finished firstly to protect the data cached by the client in the base station to the maximum extent. When the target base station receives the reestablishment request when the switching process waits for the reconfiguration to be completed, the switching process is interrupted to carry out the reestablishment process instead of releasing the user, and after the reestablishment process is successful, the switching process is continuously processed, so that the data loss rate of the target station in the switching process is greatly reduced. The experience of playing games, telephone and voice of the user is effectively ensured.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are required for the embodiments will be briefly described, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope of the present invention. Like elements are numbered alike in the various figures.
Fig. 1 is a schematic flow chart of a target base station handover method according to an embodiment of the present application;
fig. 2 is a schematic diagram of a target base station handover packet interaction according to an embodiment of the present application;
fig. 3 is a schematic diagram of a handover structure of a target base station according to an embodiment of the present application;
fig. 4 shows a schematic diagram of a handover procedure of a target base station according to another embodiment of the present application.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
The terms "comprises," "comprising," "including," or any other variation thereof, are intended to cover a specific feature, number, step, operation, element, component, or combination of the foregoing, which may be used in various embodiments of the present invention, and are not intended to first exclude the presence of or increase the likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the invention belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the invention.
The method and the device are applied to the mobile terminal when switching between two base stations, particularly when switching is performed, when the target base station firstly caches the switching flow because of interference and other problems and needs to be rebuilt, the rebuilding operation is firstly performed, and after the rebuilding operation is successful, the cached switching flow is restarted, so that the mobile device cannot lose the cache on the base station due to the rebuilding, and meanwhile, the switching of the base station can be completed in one-time switching operation, so that the switching process is smoother.
The technical scheme of the application is described in the following specific embodiments.
Example 1
As shown in fig. 1, the target base station switching method of the present embodiment includes:
step S100, in a handover procedure of a client from a source base station to the target base station, if a reestablishment request sent by the client is received, analyzing the reestablishment request to determine a reestablishment reason.
In an actual use scenario of a client, such as a mobile phone, there may be a case of switching a base station, and at this time, for a target base station, a corresponding switching process is executed according to receiving switching information from the client, where the switching process is related to a specific switching algorithm, for example, it receives and synchronizes cache data in a source base station that the client is connected last time.
The switching flow mainly establishes connection between the client and the target base station, and in an actual scene, an air interface is subject to instantaneous interference, so that a data packet cannot be sent from the client to the target base station, and the client can initiate reconstruction at the moment so as to finish uplink synchronization with the target base station again.
Specifically, when the client performs handover, a data packet rrcrecfiguration complete (a reply received by the client from rrcrecfiguration) is sent to the target base station, so as to inform the target base station that the handover procedure is successful, and if the target base station does not receive the data packet, it indicates that the communication between the target base station and the client is broken, and the reestablishment needs to be started.
That is, when the uplink synchronization between the client and the target base station is disconnected, the reconstruction is performed, and the reconstruction causes are various, and the embodiment obtains the reconstruction cause to determine whether the reconstruction cause is the reconstruction cause that needs to be focused in the embodiment.
Specifically, the reestablishment reason may be obtained in the reestablishment request packet, and when the client sends the reestablishment request, the data packet may carry a corresponding reestablishment request character, for example, rrcr on gfailure indicates that the client of the target base station configuration protocol field fails to check, or the reason, such as handover failure, indicates that the random access channel process of the client around the target base station cannot be completed, and so on. The fields represented by these reconstruction reasons may be obtained in the data packet and the specific reconstruction reason identified from the field table.
In addition, if the reestablishment reason is not the target reason, the client instance is released, the switching flow is ended, the switching failure is fed back to the client, and the client is connected with the base station again.
Step S200, if the reconstruction reason is the target reason, the switching process is cached, and the reconstruction process is started to be executed.
The target reason in this embodiment may be a reconstruction reason that is not specifically designed in a corresponding manner, for example, the aforementioned reconstruction reason, such as the handover failure, because it is usually that the process of the rach with the target station cannot be completed, and the source station will be reconstructed, and the target station will not be reconstructed, so that there is no need to cache the switching procedure, and the reconstruction operation will not be successful, and the method is not within the target reason in this embodiment.
For example, RRCReconfig failure, which does not use the configuration content issued, does not reconstruct to the target base station, but only to the source base station, and the handover procedure is performed at the target base station, RRCReconfig failure is not the target cause of the present embodiment.
Specifically, the reconstruction reason in this embodiment may be other failure, and in general, when the reconstruction reason is detected to be other failure, the situation of basically causing the reconstruction is that the air interface receives interference, and srb (signaling bearer 1) data exceeds the maximum retransmission of the rl (radio link), so that the reconstruction is required, and the reconstruction is basically performed on the target base station.
In the conventional method, the switching process is stopped because the reestablishment occurs, and after the reestablishment is performed, the switching is restarted, or the client and the target base station are directly reconnected, but a part of the buffer reserved in the base station is lost by the client.
Specifically, in order to cache the switching process, a context associated with the client is searched, and according to the context, relevant data of the switching process of the client is found, and the relevant data is cached to cache the switching process.
It can be understood that the content of the buffer memory is various intermediate data generated when the handover procedure is executed, and these data can represent the handover progress and the handover status, in general, the handover process of the base station is very fast, and is generally difficult for the user to feel, but if a reestablishment event occurs during the handover process, if the network fluctuation and disconnection are perceived by the user according to the conventional rule. After the data corresponding to the switching flow are cached in the embodiment, the data can be continuously used for switching after the reconstruction is successful.
And when the target base station is in reconstruction, sending RCC reconstruction signaling and RCC reconfiguration signaling to the client, after the client receives the RCC reconstruction signaling and the RCC reconfiguration signaling, executing corresponding reconstruction and reconfiguration operations according to the two signaling, and after the configuration and the reconstruction are finished, replying information of success of RCC reconstruction and success of RCC reconfiguration to the target base station.
In addition, there may be a case of a reconstruction failure, if the reconstruction failure is the case, the current network condition is not good, and therefore, the target base station is not suitable for continuing the handover, the target base station may release the client instance, the client knows that the reconstruction failure may be that the signal is bad or even far away from the signal range, or other reasons, and the client may establish a connection with the connectable base station through the initial connection mode.
And step S300, restarting the cached switching process after the reconstruction process is successful.
In this embodiment, after the reconstruction is successful, the handover procedure can be restarted by the cached data, and it can be understood that the target base station does not release the client because the client is not requested to be reconstructed, so that the data of the client is stored in the cache of the target base station, and inherits the progress of the previous handover procedure.
As shown in fig. 2, the operation between the target base station and the source base station when the client needs to be reestablished after the client starts the handover procedure.
It can be seen that after the target base station receives the reestablishment request from the client, the handover procedure is directly cached and suspended, and then the reestablishment procedure is started to be executed. When the reestablishment flow is executed, the target base station sends the signaling of the RCC reconfiguration and the RCC reestablishment to the client, and when the client replies that the RCC reconfiguration is successful and the RCC reestablishment is successful, the reestablishment operation is completed, the client and the target base station resume communication, and the switching flow can be continuously executed.
In addition, in the reestablishment process, because the switching process is cached on the target base station, the target base station continuously receives and caches the user data transmitted back from the source base station to the core network, the user data are synchronized from the source base station to the target base station, and after the reestablishment operation is completed, the user data are transmitted to the client in a downlink mode, so that the client can continue the operation when being connected with the source base station, and the connection is not required to be re-performed on the target base station.
For example, when the client is connected with the source base station, a page is requested, and then switching occurs, and at the moment, the target base station receives the user data, so that the problem that the client requests the page again through the target base station again, so that resource waste is caused, and meanwhile, the use experience of a user is improved.
In addition, when the user data is sent down to the client, the data is encrypted through an encryption algorithm, so that the safety of the user data is ensured.
In addition, there may be a case that the reestablishment flow fails, if the reestablishment flow fails, it indicates that the client cannot establish a connection with the target base station, where the connection may be due to the fact that the client is too far away from the base station, or may be due to other reasons such as shutdown, at this time, it is not necessary to continue reestablishing, and the target base station may end the current reestablishment and handover flow by releasing the client instance. At this time, the handover procedure fails, and the client needs to connect with the target base station again through the initial connection procedure in order to connect with the base station again.
In the target base station switching method of the embodiment, if a reestablishment request sent by a client is received in a switching process of switching the client from a source base station to the target base station, the reestablishment request is analyzed to determine a reestablishment reason; if the reconstruction reason is the target reason, caching the current switching flow and starting to execute the reconstruction flow; and restarting the cached switching process after the reestablishment process is successful so as to finish switching. When the mobile equipment is switched, the switching failure is not directly caused by the reconstruction, and the reconstruction can be finished firstly to protect the data cached by the client in the base station to the maximum extent. Meanwhile, the target base station receives the reestablishment request when the switching process waits for the reconfiguration to be completed, caches the switching process and carries out the reestablishment process instead of releasing the user, and after the reestablishment process is successful, the switching process can be further processed according to the cached data, so that the data loss rate of the target station in the switching process is greatly reduced. The experience of playing games, telephone and voice of the user is effectively ensured. In the reconstruction process, the data from the source base station can be synchronized, so that a user can have smooth experience after switching, and network fluctuation caused by switching can not be perceived.
Example 2
As shown in fig. 3, the present application further provides a target base station switching system, which is applied among the client, the source base station and the target base station;
when the client 100 performs a handover procedure from a source base station 300 to the target base station 200 and transmits a reestablishment request to the target base station 200; the target base station 200 identifies the reestablishment request, determines a reestablishment reason of the reestablishment request, caches relevant data of the switching process if the reestablishment reason is a target reason, and starts to execute the reestablishment request;
and if the reconstruction request is successfully executed, the target base station continues to execute the switching process according to the cached related data of the switching process.
In the whole switching system, the switching system mainly comprises a client 100 and a target base station 200, wherein the client 100 can be mobile equipment such as a mobile phone, when the mobile equipment moves between a source base station 300 and the target base station 200, a switching event occurs, and after the switching is successful, the target base station reports the switching result to a core network.
Fig. 4 is a schematic flow chart of the target base station in the present embodiment.
As can be seen from fig. 4, in the whole handover process, if the reestablishment occurs, it is necessary to determine whether the reestablishment is the target cause, if the reestablishment cause is not the target cause, the client instance is released, and the handover procedure is ended, so that the handover procedure fails, and the client wants to connect with the base station again, and needs to connect with the base station through the initial access procedure.
If the target reason is the target reason, the switching process is cached, and the reconstruction process is executed, which is already described in embodiment 1 of the reconstruction process and will not be described here again.
After the reconstruction is performed, whether the reconstruction process is finished is judged, and it can be understood that the reconstruction process is finished, which means that communication between the client and the target base station is normal, and then the switching process between the client and the target base station can be continued, and the switching process buffered before the use can be continued, and the switching can be continued, and the data and the progress can not be lost, so that the data of the user can be ensured to a great extent, and for practical use, the smoothness of the user can be increased, for example, the user walks and plays a game at the same time, and when the base station is switched, the switching and the network fluctuation can not be perceived due to the reconstruction event, and the use experience of the user can be ensured to a great extent.
In addition, as can be seen from fig. 4, for the case that the reconstruction occurs in the switching flow, for the case that the reconstruction causes are other than the target causes, there is a targeted processing measure, for this implementation, so that the switching failure is caused, and when the switching causes are the target causes concerned in this embodiment, the switching flow can be cached, and at this time, as long as the reconstruction is successful, the switching flow can also be successful, so that a situation that the switching failure is caused due to the reconstruction during the switching is avoided, and the success rate of the switching success is increased, thereby increasing the stability.
The present application also provides a base station apparatus comprising a processor and a memory, the memory storing a computer program which, when run on the processor, performs the target base station handover method. The base station device may be a network base station such as 3 g/4 g/5 g, and is mainly a target base station to which the client is switched.
The present application also provides a readable storage medium storing a computer program which when run on a processor performs the target base station handover method, the method comprising: in a switching process of switching a client from a source base station to a target base station, if a reconstruction request sent by the client is received, analyzing the reconstruction request to determine a reconstruction reason; if the reconstruction reason is the target reason, caching the current switching flow and starting to execute the reconstruction flow; and restarting the cached switching process after the reestablishment process is successful so as to finish switching.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners as well. The apparatus embodiments described above are merely illustrative, for example, of the flow diagrams and block diagrams in the figures, which illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules or units in various embodiments of the invention may be integrated together to form a single part, or the modules may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a smart phone, a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (10)
1. A target base station switching method, which is applied to a target base station, comprising:
in a switching process of switching a client from a source base station to a target base station, if a reconstruction request sent by the client is received, analyzing the reconstruction request to determine a reconstruction reason;
if the reconstruction reason is the target reason, caching the current switching flow and starting to execute the reconstruction flow;
and restarting the cached switching process after the reestablishment process is successful so as to finish switching.
2. The method for switching between target base stations according to claim 1, wherein the buffering the current switching procedure includes:
and searching a context associated with the client, searching related data of a switching process of the client according to the context, and caching the related data to cache the switching process.
3. The target base station handover method according to claim 1, wherein the performing a reconstruction procedure includes:
sending a reconstruction signaling and a reconfiguration signaling to the client;
if the client replies successful reconstruction and successful reconfiguration, the reconstruction process is successful, and if the client replies failed reconstruction or failed reconfiguration, the reconstruction process is failed.
4. The target base station switching method according to claim 1, further comprising:
and if the reestablishment reason is not the target reason, releasing the instance of the client, replying the failure of the switching flow to the client, and accessing the client to the target base station through an initial access flow.
5. The target base station switching method according to claim 1, further comprising:
and if the reestablishment flow fails, releasing the instance of the client, replying the reestablishment flow failure to the client, closing the switching flow, and notifying the client of the switching failure result.
6. The target base station handover method according to claim 1, wherein the performing the reestablishment procedure includes:
and continuously receiving and caching the client data returned from the source base station, and encrypting the client data by utilizing the wireless resource control layer of the target base station.
7. The target base station switching system is characterized by being applied among a client, a source base station and a target base station;
when the client side executes a switching process of switching from a source base station to the target base station and sends a reconstruction request to the target base station, the target base station identifies the reconstruction request, determines the reconstruction reason of the reconstruction request, caches relevant data of the switching process if the reconstruction reason is the target reason, and starts to execute the reconstruction request;
and if the reconstruction request is successfully executed, the target base station continues to execute the switching process according to the cached related data of the switching process.
8. The target base station switching system of claim 7, further comprising, if the reconstruction cause is not the target cause:
the target base station releases the client instance of the client, feeds back the failure of the switching process to the client, and ends the switching process;
and the client accesses the target base station again through the initial access flow.
9. A base station device comprising a processor and a memory, the memory storing a computer program which, when run on the processor, performs the target base station handover method of any of claims 1 to 6.
10. A readable storage medium, characterized in that it stores a computer program which, when run on a processor, performs the target base station handover method of any of claims 1 to 6.
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