CN109874155A - A kind of cell switching method and base station - Google Patents
A kind of cell switching method and base station Download PDFInfo
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- CN109874155A CN109874155A CN201711249368.1A CN201711249368A CN109874155A CN 109874155 A CN109874155 A CN 109874155A CN 201711249368 A CN201711249368 A CN 201711249368A CN 109874155 A CN109874155 A CN 109874155A
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Abstract
The invention discloses a kind of cell switching method and base stations, which comprises source base station triggering switching；The source base station sends switching request to target BS；Wherein, the ability information of to be switched terminal device is carried in the switching request, the protocol version that the target BS uses is higher than the protocol version that the source base station uses；The source base station receives the switching response message sent by the target BS, and the abstract syntax notation one corresponding with the switching response message in the communication protocol used based on the source base station, and not decoded configuration information is obtained from the switching response message；It wherein, is handoverCommandMessage OCTET STRING to the definition of the codec format of the switching response message in the HandoverCommand-r8-Ies that the abstract syntax notation one includes；The not decoded configuration information is transmitted to be switched terminal device by the source base station, so that the to be switched terminal device completes switching according to the not decoded configuration information.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of cell switching method and base stations.
Background technique
With the continuous development of the communication technology, the addition of more new features and the reparation of loophole, long term evolution (Long
Term Evolution, LTE) each version of agreement also gradually upgrading perfect, commercial protocol version R8, R9 are issued from initial,
Long Term Evolution upgrade version (LTE-Advanced, LTE-A) related protocol version R10, R12 till now etc..
Since the diversity of protocol version certainly exists the association of our station and neighboring station for the deployment of outfield real base station
Discuss the different situation of version.And when the protocol version that our station and neighboring station use is not identical, and terminal device is needed in our station and neighbour
When carrying out service switching between standing, then the case where there may be important configuration loss.For example, terminal device is by using lowest version to assist
When the source base station of view is switched to the target BS using highest version agreement, message is ready to respond to switching according in 36.331 agreements
Coded format definition, i.e. ASN.1 definition, it is known that, using the source base station of lowest version agreement according to 36.331 agreements to being fixed
When formula processing switching is ready to respond to message, the switching that target BS is fed back can be ready to respond to message and decoded completely, then compiled again
Code issues terminal device, such as obtains the configuration information for switching and being ready to respond in message to terminal device, this is then matched confidence
Terminal device is being issued after breath decoding.It, then can in the configuration information since the protocol version that target BS uses is higher than source base station
There can be field more higher than the protocol version that source base station uses, so that source base station is at the place that the solution one to the configuration information is compiled
During reason, there will be the risk for losing high protocol version field, the switching reconfiguration for issuing terminal so as to cause source base station disappears
Breath and target BS configuration are inconsistent, it could even be possible to leading to re-establishing or going offline for terminal device.
Summary of the invention
The present invention provides a kind of cell switching method and base station, low by using when terminal device in the prior art to solve
The source base station of release protocol is switched to the skill of existing loss high protocol version field when the target BS using highest version agreement
Art problem.
First aspect present invention provides a kind of cell switching method, which comprises
Source base station triggering switching；
The source base station sends switching request to target BS；Wherein, to be switched end is carried in the switching request
The ability information of end equipment, the protocol version that the target BS uses are higher than the protocol version that the source base station uses；
The source base station receives the switching response message sent by the target BS, and used based on the source base station
Abstract syntax notation one corresponding with the switching response message in communication protocol, obtains from the switching response message and does not solve
The configuration information of code；Wherein, the not decoded configuration information be the target BS according to the ability information be it is described to
The terminal equipment configuration of switching, to the switching in the HandoverCommand-r8-Ies that the abstract syntax notation one includes
The definition of the codec format of response message is handoverCommandMessage OCTET STRING；
The not decoded configuration information is transmitted to be switched terminal device by the source base station, so that described to be switched
Terminal device switching is completed according to the not decoded configuration information.
In possible embodiment, before source base station triggering switching, the method also includes:
The source base station obtains the ability information；Wherein, it is set in the ability information comprising the to be switched terminal
Standby not decoded ability code stream；
The source base station decodes the ability information, obtains the not decoded ability code stream, and will be described not decoded
Ability code stream is stored in the resource table of the source base station.
In possible embodiment, before source base station triggering switching, the method also includes:
The not decoded ability code stream is reported to core net by the source base station.
In possible embodiment, before source base station triggering switching, the method also includes:
The source base station decodes the not decoded ability code stream, obtains decoded ability code stream；Wherein, the decoding
The corresponding ability code stream of all cell frequency ranges supported in ability code stream afterwards comprising the to be switched terminal device；
Source base station determination from the decoded ability code stream is related to the cell frequency range that the source base station is supported
Ability code stream；
The ability code stream relevant to the cell frequency range of source base station support is stored in the source base station by the source base station
Resource table in.
In possible embodiment, the source base station sends switching request to target BS, comprising:
The source base station obtains the not decoded ability code stream in the resource table；
The source base station carries the not decoded ability code stream in switching request, and sends to the target BS
The switching request for carrying not decoded ability code stream.
Second aspect of the present invention provides a kind of base station, comprising:
Processing module, for triggering switching；
Sending module, for sending switching request to target BS under the control of the processing module；Wherein, described to cut
The ability information that be switched terminal device is carried in request is changed, the protocol version that the target BS uses is higher than the base
The protocol version that station uses；
Receiving module is disappeared for receiving under the control of the processing module by the handoff response that the target BS is sent
Breath；
In the communication protocol that the processing module is also used to use based on the source base station with the switching response message
Corresponding abstract syntax notation one obtains not decoded configuration information from the switching response message；Wherein, described not decoded
It according to the ability information is the to be switched terminal equipment configuration, the abstract language that configuration information, which is the target BS,
It is to the definition of the codec format of the switching response message in the HandoverCommand-r8-Ies that method label includes
handoverCommandMessage OCTET STRING；
The sending module is also used to the not decoded configuration information being transmitted to be switched terminal device, so that institute
It states to be switched terminal device and switching is completed according to the not decoded configuration information.
In possible embodiment, the processing module is also used to:
Obtain the ability information；Wherein, not decoding comprising the to be switched terminal device in the ability information
Ability code stream；
The ability information is decoded, obtains the not decoded ability code stream, and the not decoded ability code stream is deposited
Storage is in the resource table of the base station.
In possible embodiment, the sending module is also used to:
The not decoded ability code stream is reported to core net.
In possible embodiment, the processing module is also used to:
The not decoded ability code stream is decoded, decoded ability code stream is obtained；Wherein, the decoded ability code
The corresponding ability code stream of all cell frequency ranges supported in stream comprising the to be switched terminal device；
Ability code stream relevant to the cell frequency range that the base station is supported is determined from the decoded ability code stream；
The ability code stream relevant to the cell frequency range of base station support is stored in the resource table of the source base station.
In possible embodiment, the sending module is specifically used for:
Obtain the not decoded ability code stream in the resource table；
The not decoded ability code stream is carried in switching request, and is carried to described in target BS transmission
The switching request of not decoded ability code stream.
Third aspect present invention provides a kind of base station, including processor, transmitters and receivers, wherein receiver and hair
Device is sent to send and receive data under the control of a processor, the base station further includes memory, is preserved in the memory pre-
If program, processor read memory in program, according to the program execute following procedure:
Processor triggering switching；
Transmitter sends switching request to target BS under the control of the processor；Wherein, in the switching request
The ability information of to be switched terminal device is carried, the protocol version that the target BS uses is higher than what the base station used
Protocol version；
Receiver receives the switching response message sent by the target BS under the control of the processor；
In the communication protocol that the processor is also used to use based on the source base station with the switching response message pair
The abstract syntax notation one answered obtains not decoded configuration information from the switching response message；Wherein, described not decoded to match
Confidence breath is the to be switched terminal equipment configuration, the abstract syntax according to the ability information for the target BS
It is to the definition of the codec format of the switching response message in the HandoverCommand-r8-Ies that label includes
handoverCommandMessage OCTET STRING；
The transmitter is also used to the not decoded configuration information being transmitted to be switched terminal device, so that described
To be switched terminal device completes switching according to the not decoded configuration information.
Technical solution in the embodiment of the present invention has the following beneficial effects:
When terminal device needs to use the target BS of high protocol version by using the source base station of low protocol version to be switched to
When, source base station then sends switching request to target BS, so after the triggerings such as the measurement report reported according to terminal device switching
Target BS responds the switching request of the source base station afterwards, thus to the switching response message that the source base station is sent,
The source base station is after receiving the switching response message, cutting in the communication protocol that is used based on the source base station with described
The corresponding abstract syntax notation one of response message is changed, not decoded configuration information is obtained from the switching response message；Wherein, institute
It according to the ability information is the to be switched terminal equipment configuration that state not decoded configuration information, which be the target BS,
To the codec format of the switching response message in the HandoverCommand-r8-Ies that the abstract syntax notation one includes
It is defined as handoverCommandMessage OCTET STRING；Finally, source base station turns the not decoded configuration information
To be switched terminal device is issued, so that the to be switched terminal device is cut according to the not decoded configuration information completion
It changes, so that source base station no longer needs to the processing for being decoded re-encoding to switching response message, just sends the switching response message
To terminal device, the transparent transmission of switching response message is realized, avoids source base station in the solution one for being ready to respond to message to switching
The risk of the high protocol version field of loss present in the treatment process of volume, it is also possible to simplify source base station to handoff response
The treatment process of message reduces the time delay that switching executes.
Detailed description of the invention
Fig. 1 is handoff scenario schematic diagram in base station in the prior art；
Fig. 2 is the flow chart of base station switch method in the prior art；
Fig. 3 is a kind of schematic diagram of the cell switching method provided in one embodiment of the invention；
Fig. 4 is the ability code stream acquisition modes schematic diagram for the first form that one embodiment of the invention provides；
Fig. 5 is the ability code stream acquisition modes schematic diagram for second of form that one embodiment of the invention provides；
Fig. 6 is a kind of functional block diagram of the base station provided in one embodiment of the invention；
Fig. 7 is a kind of structure chart of the base station provided in one embodiment of the invention.
Specific embodiment
The present invention provides a kind of cell switching method and base station, low by using when terminal device in the prior art to solve
The source base station of release protocol is switched to the skill of existing loss high protocol version field when the target BS using highest version agreement
Art problem.
In order to solve the above-mentioned technical problem, general thought of the present invention is as follows:
When terminal device needs to use the target BS of high protocol version by using the source base station of low protocol version to be switched to
When, source base station then sends switching request to target BS, so after the triggerings such as the measurement report reported according to terminal device switching
Target BS responds the switching request of the source base station afterwards, thus to the switching response message that the source base station is sent,
The source base station is after receiving the switching response message, cutting in the communication protocol that is used based on the source base station with described
The corresponding abstract syntax notation one of response message is changed, not decoded configuration information is obtained from the switching response message；Wherein, institute
It according to the ability information is the to be switched terminal equipment configuration that state not decoded configuration information, which be the target BS,
To the codec format of the switching response message in the HandoverCommand-r8-Ies that the abstract syntax notation one includes
It is defined as handoverCommandMessage OCTET STRING；Finally, source base station turns the not decoded configuration information
To be switched terminal device is issued, so that the to be switched terminal device is cut according to the not decoded configuration information completion
It changes, so that source base station no longer needs to the processing for being decoded re-encoding to switching response message, just sends the switching response message
To terminal device, the transparent transmission of switching response message is realized, avoids source base station in the solution one for being ready to respond to message to switching
The risk of the high protocol version field of loss present in the treatment process of volume, it is also possible to simplify source base station to handoff response
The treatment process of message reduces the time delay that switching executes.
In order to be better understood by above-mentioned technical proposal, below by attached drawing and specific embodiment to technical solution of the present invention
It is described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to technical solution of the present invention
Detailed description, rather than the restriction to technical solution of the present invention, in the absence of conflict, the embodiment of the present invention and implementation
Technical characteristic in example can be combined with each other.
In embodiments of the present invention, the source base station and the target BS can be LTE system, new wireless (New
Radio, NR) base station, such as macro base station, Home eNodeB etc. in the wireless communication systems such as system, it is of course also possible to be that relaying is set
It is standby or other can pass through setting of being communicated with terminal device of one or more cells in the air interface in access net
It is standby, in embodiments of the present invention with no restriction.
Firstly, the application scenarios in the embodiment of the present invention are introduced.
The embodiment of the present invention is applied in wireless communication system, which includes at least two base stations and one
Terminal device, as shown in Figure 1.In communication system shown in Fig. 1, the protocol version that source base station uses is used lower than target BS
Protocol version, for example, source base station uses the R9 version of LTE protocol, target BS uses the R12 version of LTE protocol.The terminal is set
Standby at a time to be communicated with any one base station in two base stations, the source base station of example as shown in figure 1 works as terminal device
When movement occurs or needing to switch according to preset strategy judgement with source base station, terminal device can be switched to this two by the base station
Another base station in base station, the target BS of example as shown in figure 1, to be communicated with the target BS.
In the prior art, when source base station the triggerings such as the measurement report reported according to terminal device switch after, then obtain
The ability code stream of the terminal device stored in the resource table of source base station, the ability code stream are source base station by the premises equipment requests
What the ability information reported when establishing context decoded, then the ability code stream is encoded, and carry and asked in switching
In asking, it is sent to target BS.After target BS receives the switching request, then the switching request is responded, thus to
The switching response message that source base station is sent, and the ability code stream of the terminal device of the carrying in switching request is decoded and is deposited
Storage is got up.Switching is then ready to respond to message and all decoded, then re-encoded by source base station after receiving the switching response message
Terminal device is issued, so that the terminal device completes switching according to the switching command that source base station is sent, as shown in Figure 2.
The protocol version used due to source base station is lower than the protocol version that target BS uses, source base station is to cutting
It changes in the treatment process for one volume of a solution for being ready to respond to message, will there is the risk for losing high protocol version field.
In consideration of it, the process of this method is as follows referring to FIG. 3, providing a kind of cell switching method for the embodiment of the present invention:
Step 301: source base station triggering switching.
In embodiments of the present invention, there are many modes of source base station triggering switching, such as it can be source base station and pass through to end
The measurement report that end equipment reports makes decisions to trigger switching, or is also possible to source base station according to preset strategy, example
Such as load balancing, actively triggering switches, in embodiments of the present invention with no restriction.
Step 302: the source base station sends switching request to target BS.
Generally, after source base station, which triggers, to be switched, then switching request can be sent to target BS, and in the switching request
The middle ability code stream that can carry to be switched terminal device.The method of determination of the target BS can use side in the prior art
Formula, details are not described herein.
In inventive embodiments, the to be switched terminal device that is carried in the switching request that source base station is sent to target BS
Ability code stream can be any one in the following two kinds form:
The first form: the ability code stream and energy in the prior art of the to be switched terminal device carried in switching request
Power code stream is identical, that is, the terminal device is asked when being initially accessed source base station by the initial context foundation sent to source base station
It asks, carries the ability information of the terminal device.Source base station then establishes the request terminal device according to the initial context
Then the ability information is reported to core net, and is decoded processing to the ability information by the ability information reported, solved
Ability code stream after code, which is stored in the resource table of source base station, as shown in figure 4, the resource table
The ability code stream of middle storage is the ability code stream carried in switching request.
By the acquisition modes of the ability code stream of the first form it is found that the ability code stream of the terminal device of source base station storage
For what is obtained after being decoded to the ability information that terminal device reports, then, if the protocol version that source base station uses is lower than
The protocol version that the terminal device uses, then source base station can exist when being decoded to the ability information that terminal device reports
The risk that solution is lost.And the terminal unit ability field of some list structures, it is big to be limited to the list that board memory size defines
It is small, if it is less than list maximum item number defined in agreement, after decoding, source base station can truncate section terminating equipment ability code stream into
Row storage.The problem of thus will appear the ability code stream loss of terminal device, target base is passed in handoff procedure in this way
The terminal unit ability code stream stood be also it is lossy, the configuration for leading to some high protocol versions and function are due to having lost correspondence
Terminal unit ability code stream and be not available.
In consideration of it, the embodiment of the invention provides the ability code stream of second of form, the ability code stream in the prior art
Ability code stream it is not identical.Then the acquisition modes of the ability code stream of second of form are introduced below.
Referring to FIG. 5, before source base station executes step 301, the method also includes:
Step 501: the source base station obtains the ability information of the to be switched terminal device；Wherein, the ability letter
It include the not decoded ability code stream of the to be switched terminal device in breath；
Step 502: the source base station decodes the ability information, obtains the not decoded ability code stream, and will be described
Not decoded ability code stream is stored in the resource table of the source base station.
In embodiments of the present invention, the specific implementation of step 501 is with terminal device in the prior art on source base station
Report the process of its ability information identical, details are not described herein.It should be noted that terminal device is sending its ability to source base station
When information, it will usually which first then coding is being sent, and therefore, in the embodiment of the present invention, which is not decoded
Ability code stream be terminal device is carried into the ability information that source base station reports in the prior art ability code stream.
After executing completion step 501, the method in the embodiment of the present invention thens follow the steps 502, i.e., sends out terminal device
The ability information sent is decoded, and obtains the not decoded ability code stream that terminal device carries in the ability information.
It should be noted that since terminal device and base station are by eating dishes without rice or wine to be communicated, terminal device is to source base station
The ability information of transmission is the format for meeting air interface transmission, so that the ability information is compiled for the format of air interface transmission
Code, to need to solve the ability information when source base station obtains the ability information of the format for meeting air interface transmission
Code, to could obtain the not decoded ability code stream that terminal device reports, the decoding process and in the prior art to ability letter
Breath is decoded to obtain decoded ability code stream difference.
After source base station obtains not decoded ability code stream, then the not decoded ability code stream is stored in resource table,
To which when base station switches, source base station obtains the not decoded ability code stream in the resource table first, then that this is not decoded
The carrying of ability code stream sends the switching request for carrying not decoded ability code stream in switching request, and to target BS,
And then the not decoded ability code stream is passed into target BS, then the not decoded ability code stream is the energy of second of form
Power code stream.
In this way, encoding and decoding cause high protocol version to extend to the ability code stream for eliminating due to terminal device repeatedly
The risk of field loss, and complete ability code stream can be passed into target BS.
Certainly, source base station can also report the not decoded ability code stream after obtaining the not decoded ability code stream
To core net, so that complete ability code stream can be obtained by making core net also.
In second of form, since source base station itself may also require that the ability code stream with the terminal device,
After source base station stores not decoded ability code stream, it is also necessary to be decoded to the not decoded ability code stream, store supply source base
The ability code stream that station uses.The specific method is as follows:
The source base station decodes the not decoded ability code stream, obtains decoded ability code stream；Wherein, the decoding
The corresponding ability code stream of all cell frequency ranges supported in ability code stream afterwards comprising the to be switched terminal device；
Source base station determination from the decoded ability code stream is related to the cell frequency range that the source base station is supported
Ability code stream；
The ability code stream relevant to the cell frequency range of source base station support is stored in the source base station by the source base station
Resource table in.
In the specific implementation process, after source base station stores not decoded ability code stream, then to the not decoded ability code
Stream carries out decoding process.Since all cell frequency ranges supported in decoded ability code stream comprising the terminal device correspond to
Ability code stream, occupy memory space it is larger, therefore, in embodiments of the present invention, only by source base station support cell frequency
Section and the relevant ability code stream storage of multiband, filter out the ability code stream unrelated with source base station, and filtered by frequency range
Ability code stream is enough in the serving cell use of source base station, meanwhile, it decreases shared by decoded ability code stream storage
Memory.
After executing completion step 302, the method in the embodiment of the present invention just executes step 303, it may be assumed that the source base station
Receive the switching response message that is sent by the target BS, and in the communication protocol used based on the source base station with it is described
The corresponding abstract syntax notation one of switching response message obtains not decoded configuration information from the switching response message；Wherein,
It according to the ability information is the to be switched terminal equipment configuration that the not decoded configuration information, which is the target BS,
, to the codec format of the switching response message in the HandoverCommand-r8-Ies that the abstract syntax notation one includes
Definition be handoverCommandMessage OCTET STRING；The source base station will the not decoded configuration information
It is transmitted to be switched terminal device, so that the to be switched terminal device is cut according to the not decoded configuration information completion
It changes.
It in embodiments of the present invention, then can be to the switching after target BS receives the switching request of source base station transmission
Request is fed back, to send switching response message to source base station.Source base station is after receiving the switching response message, then not
The switching response message is decoded, the direct switching response message is sent to terminal device, to realize that handoff response disappears
The transparent transmission of breath.
It should be noted that target BS is after receiving not decoded ability code stream, then to the not decoded ability code
Stream carries out decoding process, and the relevant ability code stream of cell frequency range and multiband for only supporting target BS stores, and filters out
The ability code stream unrelated with target BS, it is possible to reduce decoded ability code stream stores occupied memory.This is processed
Journey is identical as treatment process corresponding in source base station, and details are not described herein.
It, can be using the ASN.1's for being ready to respond to message in 36.331 agreements of modification to switching during specific implementation
Definition is to realize.For example, the switching in 36.331 agreements is ready to respond to HandoverCommand-r8-IEs in message
HandoverCommandMessage OCTET STRING (CONTAINING DL-DCCH-Message) is revised as
HandoverCommandMessage OCTET STRING, removes content in bracket and bracket, thus in switching response message
Structural body in without encoded and decoded it is this to switching response message carry out secondary coding-decoding structure, become
At single eight-bit group (_ octet1) code flow structure.Certainly this is the variation for the code header file that ASN.1 is generated, source
The variation of file is no longer listed one by one herein.
It should be noted that codec used in each base station may be different, data structure is also not quite similar, but right
The standard of ASN.1 parsing is the same, and different platform, different decoders are defined according to modified ASN.1, all will not be again
Switching response message is decoded, realizes the purpose of the transparent transmission of switching response message.
In the above-mentioned technical solutions, source base station no longer needs to the processing that re-encoding is decoded to switching response message, just will
The switching response message is sent to terminal device, realizes the transparent transmission of switching response message, avoids source base station quasi- to switching
The risk of the high protocol version field of loss present in the treatment process that one solution one of standby response message is compiled, it is also possible to simple
Change source base station to the treatment process of switching response message, reduces the time delay that switching executes.
Further, when switching between base station, the complete ability code stream of storage can be issued target BS by source base station,
To make low protocol version base station will not solution lose field in the ability information of high protocol version terminal device, terminal can be set
Standby ability information completely passes to target BS, to ensure that the configuration of high protocol version base station and function can be normal
It uses.
Second aspect of the present invention provides a kind of base station, and the base station can be the wireless communication systems such as LTE system, NR system
In base station such as macro base station, Home eNodeB etc., can also be other base stations.It please refers to shown in Fig. 6, is mentioned for the embodiment of the present invention
A kind of structural schematic diagram of the base station supplied, the base station includes:
Processing module 601, for triggering switching；
Sending module 602, for sending switching request to target BS under the control of the processing module 601；Wherein,
The ability information of to be switched terminal device is carried in the switching request, the protocol version that the target BS uses is higher than
The protocol version that the base station uses；
Receiving module 603, for receiving the switching sent by the target BS under the control of the processing module 601
Response message；
In the communication protocol that processing module 601 is also used to use based on the source base station with the switching response message pair
The abstract syntax notation one answered obtains not decoded configuration information from the switching response message；Wherein, described not decoded to match
Confidence breath is the to be switched terminal equipment configuration, the abstract syntax according to the ability information for the target BS
It is to the definition of the codec format of the switching response message in the HandoverCommand-r8-Ies that label includes
handoverCommandMessage OCTET STRING；
Sending module 602 is also used to the not decoded configuration information being transmitted to be switched terminal device, so that institute
It states to be switched terminal device and switching is completed according to the not decoded configuration information.
Since the base station that second aspect of the present invention provides is in the cell switching method provided with first aspect present invention
It is proposed under same idea, therefore the various changes of the cell switching method based on 36.331 agreements in earlier figures 3-5 embodiment
Change mode and specific embodiment are equally applicable to the base station of the present embodiment, by the aforementioned detailed description to cell switching method,
Those skilled in the art are clear that the implementation process of base station in the present embodiment, so in order to illustrate the succinct of book,
This is no longer described in detail.
Third aspect present invention provides a kind of base station, and the base station can be the wireless communication systems such as LTE system, NR system
In base station, such as base station (such as macro base station, Home eNodeB etc.) is also possible to RN (relaying) equipment, can also be other bases
It stands.It please refers to shown in Fig. 7, is the structure chart of base station provided in an embodiment of the present invention.As shown in fig. 7, the base station includes:
Processor 701, for triggering switching；
Transmitter 702 is connect with processor 701, for cutting under the control of the processor 701 to target BS transmission
Change request；Wherein, the ability information of to be switched terminal device is carried in the switching request, what the target BS used
Protocol version is higher than the protocol version that the base station uses；
Receiver 703 is connect with processor 701, for receiving under the control of the processor 701 by the target base
Stand send switching response message；
It is corresponding with the switching response message in the communication protocol that processor 701 is also used to use based on the source base station
Abstract syntax notation one, not decoded configuration information is obtained from the switching response message；Wherein, the not decoded configuration
It according to the ability information is the to be switched terminal equipment configuration, the abstract syntax mark that information, which is the target BS,
It is to the definition of the codec format of the switching response message in the HandoverCommand-r8-Ies that note includes
handoverCommandMessage OCTET STRING；
Transmitter 702 is also used to the not decoded configuration information being transmitted to be switched terminal device, so that described
To be switched terminal device completes switching according to the not decoded configuration information.
Optionally, processor 701 specifically can be central processing unit, application-specific integrated circuit (English:
Application Specific Integrated Circuit, referred to as: ASIC), it can be one or more for controlling journey
The integrated circuit that sequence executes can be use site programmable gate array (English: Field Programmable Gate
Array, referred to as: FPGA) exploitation hardware circuit, can be baseband processor.
Optionally, processor 701 may include at least one processing core.
Optionally, electronic equipment further includes memory, and memory may include read-only memory (English: Read Only
Memory, referred to as: ROM), random access memory (English: Random Access Memory, referred to as: RAM) and disk storage
Device.Memory data required when being run for storage processor 701.The quantity of memory is one or more.
Since the base station that fourth aspect present invention provides is in the cell switching method provided with first aspect present invention
It is proposed under same idea, therefore the various changes of the cell switching method based on 36.331 agreements in earlier figures 3-5 embodiment
Change mode and specific embodiment are equally applicable to the base station of the present embodiment, by the aforementioned detailed description to cell switching method,
Those skilled in the art are clear that the implementation process of base station in the present embodiment, so in order to illustrate the succinct of book,
This is no longer described in detail.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of cell switching method, which is characterized in that the described method includes:
Source base station triggering switching；
The source base station sends switching request to target BS；Wherein, to be switched terminal is carried in the switching request to set
Standby ability information, the protocol version that the target BS uses are higher than the protocol version that the source base station uses；
The source base station receives the switching response message sent by the target BS, and the communication used based on the source base station
Abstract syntax notation one corresponding with the switching response message in agreement, obtains not decoded from the switching response message
Configuration information；Wherein, it according to the ability information is described to be switched that the not decoded configuration information, which is the target BS,
Terminal equipment configuration, in the HandoverCommand-r8-Ies that the abstract syntax notation one includes to the handoff response
The definition of the codec format of message is handoverCommandMessage OCTET STRING；
The not decoded configuration information is transmitted to be switched terminal device by the source base station, so that the to be switched end
End equipment completes switching according to the not decoded configuration information.
2. the method as described in claim 1, which is characterized in that before source base station triggering switching, the method is also wrapped
It includes:
The source base station obtains the ability information；It wherein, include the to be switched terminal device in the ability information
Not decoded ability code stream；
The source base station decodes the ability information, obtains the not decoded ability code stream, and will the not decoded ability
Code stream is stored in the resource table of the source base station.
3. method according to claim 2, which is characterized in that before source base station triggering switching, the method is also wrapped
It includes:
The not decoded ability code stream is reported to core net by the source base station.
4. method as claimed in claim 2 or claim 3, which is characterized in that before source base station triggering switching, the method is also
Include:
The source base station decodes the not decoded ability code stream, obtains decoded ability code stream；Wherein, described decoded
The corresponding ability code stream of all cell frequency ranges supported in ability code stream comprising the to be switched terminal device；
The source base station determines energy relevant to the cell frequency range that the source base station is supported from the decoded ability code stream
Power code stream；
The ability code stream relevant to the cell frequency range of source base station support is stored in the money of the source base station by the source base station
In the table of source.
5. method as claimed in claim 4, which is characterized in that the source base station sends switching request to target BS, comprising:
The source base station obtains the not decoded ability code stream in the resource table；
The source base station carries the not decoded ability code stream in switching request, and to described in target BS transmission
Carry the switching request of not decoded ability code stream.
6. a kind of base station characterized by comprising
Processing module, for triggering switching；
Sending module, for sending switching request to target BS under the control of the processing module；Wherein, the switching is asked
The ability information of to be switched terminal device is carried in asking, the protocol version that the target BS uses is higher than the base station and makes
Protocol version；
Receiving module, for receiving the switching response message sent by the target BS under the control of the processing module；
It is corresponding with the switching response message in the communication protocol that the processing module is also used to use based on the source base station
Abstract syntax notation one, not decoded configuration information is obtained from the switching response message；Wherein, the not decoded configuration
It according to the ability information is the to be switched terminal equipment configuration, the abstract syntax mark that information, which is the target BS,
It is to the definition of the codec format of the switching response message in the HandoverCommand-r8-Ies that note includes
handoverCommandMessage OCTET STRING；
The sending module is also used to the not decoded configuration information being transmitted to be switched terminal device so that it is described to
The terminal device of switching completes switching according to the not decoded configuration information.
7. base station as claimed in claim 6, which is characterized in that the processing module is also used to:
Obtain the ability information；It wherein, include the not decoded energy of the to be switched terminal device in the ability information
Power code stream；
The ability information is decoded, obtains the not decoded ability code stream, and the not decoded ability code stream is stored in
In the resource table of the base station.
8. base station as claimed in claim 7, which is characterized in that the sending module is also used to:
The not decoded ability code stream is reported to core net.
9. base station as claimed in claim 7 or 8, which is characterized in that the processing module is also used to:
The not decoded ability code stream is decoded, decoded ability code stream is obtained；Wherein, in the decoded ability code stream
The corresponding ability code stream of all cell frequency ranges supported comprising the to be switched terminal device；
Ability code stream relevant to the cell frequency range that the base station is supported is determined from the decoded ability code stream；
The ability code stream relevant to the cell frequency range of base station support is stored in the resource table of the source base station.
10. base station as claimed in claim 9, which is characterized in that the sending module is specifically used for:
Obtain the not decoded ability code stream in the resource table；
The not decoded ability code stream is carried in switching request, and is not solved to being carried described in target BS transmission
The switching request of the ability code stream of code.
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| CN113038545A (en) * | 2019-12-24 | 2021-06-25 | 中国电信股份有限公司 | Method and communication system for reducing handover failure |
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