CN109429180A - The method and apparatus of data exchange - Google Patents
The method and apparatus of data exchange Download PDFInfo
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- CN109429180A CN109429180A CN201710495255.3A CN201710495255A CN109429180A CN 109429180 A CN109429180 A CN 109429180A CN 201710495255 A CN201710495255 A CN 201710495255A CN 109429180 A CN109429180 A CN 109429180A
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- dedicated bearer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The embodiment of the invention provides a kind of method and apparatus of data exchange, applied to broadband cluster communication B-TrunC system, the B-TrunC system includes cluster core net, trunked base station and colony terminal, the cluster core net includes eMME, which comprises the eMME judges whether the colony terminal is in ECM IDLE state；When the colony terminal is in ECM IDLE state, the eMME establishes the dedicated bearer and default bearing between the trunked base station simultaneously；The eMME carries out data exchange by the dedicated bearer and the default bearing and the trunked base station.The embodiment of the present invention solves the problems, such as that the voice group call service call delay between eMME release and trunked base station under the scene of the first context connection is long, also making the message of cluster core network internal Signalling exchange reduces a pair, cluster core-network side TCF simultaneously establishes original dedicated bearer with shared cluster dedicated bearer, significantly shortens time delay.
Description
Technical field
The present invention relates to the technical fields of communication, the device of method and data exchange more particularly to data exchange.
Background technique
B-TrunC (Broadband Trunking Communication, broadband cluster communication) the system overwhelming majority is protected
It has stayed with the signaling process under original LTE framework.Such as attachment flow after terminal booting etc..B-TrunC system is only in LTE
Under original system framework, the distinctive process of B-TrunC system, such as endpoint to register process, terminal call individual calling process are increased,
Terminal group-calling process.It seeks to solve the problem in practical group of call flow herein.
After colony terminal booting, progress tradition LTE attachment flow, colony terminal are successfully attached to network, establish one first
The permanent online default bearing of item.Then colony terminal initiates the peculiar process of cluster, and colony terminal register flow path should in the process eventually
End can be to the user information of IMS (IP Multimedia Subsystem, IP multimedia subsystem) side registration terminal, Yi Jijin
The authorizing procedure of the side row IMS.After the process is completed, belong in cluster core net configuration colony terminal A, colony terminal B same
In a cluster group.Then cluster core net initiates S1 release process to colony terminal A, it is therefore an objective to so that colony terminal A is in ECM
IDLE state.Then colony terminal A initiates the group calling under ECM idle state.By cluster terminal side tool analysis, and grab
Packet analysis, it is 600 milliseconds time-consuming which exhales process, but it is 450 milliseconds that the group under group system framework, which exhales index,；It is apparent that above-mentioned
It is not up to standard to initiate voice group call service time delay by colony terminal A under scene.Terminal group-calling process defined in B-TrunC group system, it is real
Border usage scenario is exactly voice group call or the calling of video group.The two groups exhale process to define end in B-TrunC system
NAS (Non-Access Stratum, the Non Access Stratum) message at end, and VoP or video data packet need it is dedicated
Establishing process is carried, then continues to use LTE process.So this there is cluster individual calling process with LTE establish special feature process it is mutual it
Between time cooperation, if cooperation slightly problem, with regard to will appear video or voice group call service time delay problem not up to standard.
Summary of the invention
The embodiment of the invention provides the devices of the method for data exchange and corresponding data exchange, to solve in B-
The too long problem of video or voice group call service call delay in TrunC system.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of methods of data exchange, are applied to broadband cluster
B-TrunC system is communicated, the B-TrunC system includes cluster core net, trunked base station and colony terminal, the cluster core
Net includes the mobility management entity eMME of evolution, which comprises
The eMME judges whether the colony terminal is in evolved packet system connection management free time ECM IDLE state；
When the colony terminal is in ECM IDLE state, the eMME is established between the trunked base station simultaneously
Dedicated bearer and default bearing；
The eMME carries out data exchange by the dedicated bearer and the default bearing and the trunked base station.
Preferably, the cluster core net further includes xGW, clustered control entity function device TCF, group service entity function
The energy device TMF and user attaching subscribed services device eHSS of evolution.
Preferably, before the eMME judges the step of whether colony terminal is in ECM IDLE state, further includes:
After the colony terminal starting, it is attached in the cluster core net.
Preferably, the eMME judges that the step of whether colony terminal is in ECM IDLE state includes:
The eMME judges whether to receive the first initial message from the trunked base station；
When the eMME is received from the first initial message of the trunked base station, determine that the colony terminal is in
ECM IDLE state.
Preferably, the dedicated bearer includes original dedicated bearer and shared cluster dedicated bearer, described when described
When colony terminal is in ECM IDLE state, the eMME establishes the dedicated bearer and default between the trunked base station simultaneously
The step of carrying includes:
The eMME receives the carrying that the xGW is sent and establishes request；
The eMME responds the carrying and establishes request, sends initial context and establishes request to the trunked base station；
The eMME receives the trunked base station and responds the dedicated bearer that the initial context is established request and sent
And the corresponding service surface information of default bearing；
The eMME sends the corresponding carrying information of the service surface information to the xGW, while establishing and the cluster
Original dedicated bearer between base station, shared cluster dedicated bearer and default bearing.
Preferably, before the eMME judges the step of whether colony terminal is in ECM IDLE state, the collection
After group terminal starting, it is attached to after the step in the cluster core net, further includes:
The first context between the eMME release and the trunked base station connects.
The embodiment of the invention also discloses a kind of methods of data exchange, are applied to B-TrunC system, the B-TrunC
System includes cluster core net, trunked base station and colony terminal, and the cluster core net includes eMME, which comprises
When the colony terminal is in ECM IDLE state, the trunked base station is established between the eMME simultaneously
Dedicated bearer and default bearing；
The trunked base station carries out data exchange by the dedicated bearer and the default bearing and the eMME.
Preferably, the dedicated bearer includes original dedicated bearer and shared cluster dedicated bearer, described when described
When colony terminal is in ECM IDLE state, the trunked base station establishes the dedicated bearer and default between the eMME simultaneously
The step of carrying includes:
When the eMME, which receives the carrying that the xGW is sent, establishes request, the trunked base station receives the eMME
The initial context of transmission establishes request；Wherein, it includes that dedicated bearer and default bearing are believed that the initial context, which establishes request,
Breath；
The trunked base station establishes the original between the eMME according to the dedicated bearer and default bearing information simultaneously
Some dedicated bearers, shared cluster dedicated bearer and default bearing.
The embodiment of the invention also discloses a kind of devices of data exchange, are applied to broadband cluster communication B-TrunC system,
The B-TrunC system includes cluster core net, trunked base station and colony terminal, and the cluster core net includes the movement of evolution
Property management entity eMME, described device include:
It is idle to judge whether the colony terminal is in evolved packet system connection management for the eMME for judgment module
ECM IDLE state；
Module is established in first carrying, for when the colony terminal is in ECM IDLE state, the eMME to be built simultaneously
Dedicated bearer and default bearing between the vertical and described trunked base station；
First data exchange module passes through the dedicated bearer and the default bearing and the cluster for the eMME
Base station carries out data exchange.
Preferably, the cluster core net further includes xGW, clustered control entity function device TCF, group service entity function
The energy device TMF and user attaching subscribed services device eHSS of evolution.
Preferably, the module being connected with the judgment module, further includes:
Attachable module is attached in the cluster core net after colony terminal starting.
Preferably, the judgment module includes:
Judging submodule judges whether to receive the first initial message from the trunked base station for the eMME；
Submodule is determined, for determining when the eMME is received from the first initial message of the trunked base station
The colony terminal is in ECM IDLE state.
Preferably, the dedicated bearer includes original dedicated bearer and shared cluster dedicated bearer, and described first holds
Load establishes module
Request receiving submodule is established in carrying, is received the carrying that the xGW is sent for the eMME and is established request；
First sending submodule responds the carrying for the eMME and establishes request, sends initial context foundation and asks
It asks to the trunked base station；
Second sending submodule receives the trunked base station response initial context foundation for the eMME and asks
The corresponding service surface information of dedicated bearer and default bearing asked and sent；
First carrying setting up submodule sends the corresponding carrying information of the service surface information to described for the eMME
XGW, while establishing original dedicated bearer, shared cluster dedicated bearer and default bearing between the trunked base station.
Preferably, the module being connected with the attachable module, further includes:
Release module is connected for the first context between eMME release and the trunked base station.
The embodiment of the invention also discloses a kind of devices of data exchange, are applied to B-TrunC system, the B-TrunC
System includes cluster core net, trunked base station and colony terminal, and the cluster core net includes eMME, and described device includes:
Module is established in second carrying, for when the colony terminal is in ECM IDLE state, the trunked base station to be same
Dedicated bearer and default bearing between Shi Jianli and the eMME；
Second data exchange module, for the trunked base station by the dedicated bearer and the default bearing with it is described
EMME carries out data exchange.
Preferably, the dedicated bearer includes original dedicated bearer and shared cluster dedicated bearer, and described second holds
Load establishes module
Initial context establishes request receiving module, for establishing when the eMME receives the carrying that the xGW is sent
When request, the trunked base station receives the initial context that the eMME is sent and establishes request；Wherein, the initial context is built
Vertical request includes dedicated bearer and default bearing information；
Second carrying setting up submodule, for the trunked base station according to the dedicated bearer and default bearing information simultaneously
Establish original dedicated bearer, shared the cluster dedicated bearer and default bearing between the eMME.
The embodiment of the present invention includes following advantages:
It in the embodiment of the present invention, after the colony terminal starting, is attached in the cluster core net, the eMME release
The first context between the trunked base station is connect, and the eMME judges whether the colony terminal is in evolution grouping system
System connection management free time ECM IDLE state, when the colony terminal is in ECM IDLE state, the eMME is established simultaneously
Dedicated bearer and default bearing between the trunked base station, the eMME pass through the dedicated bearer and the default bearing
Data exchange is carried out with the trunked base station；The embodiment of the present invention solves the first context between eMME release and trunked base station
The long problem of voice group call service call delay under the scene of connection, not only consumption of network resources is few, and stability is high, also to collect
The message of group's core network internal Signalling exchange reduces a pair, plays to the reduction of cluster core net network overhead very crucial
Effect, and the colony terminal of cluster core net access is more, and the performance to cluster core net is a very big promotion, cluster
Core-network side TCF simultaneously establishes original dedicated bearer with shared cluster dedicated bearer, cluster core net operational excellence, greatly
The earth shortens time delay.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing；
Fig. 1 is a kind of step flow chart of the embodiment of the method one of data exchange of the embodiment of the present invention；
Fig. 2 is a kind of composition schematic diagram of the cluster core net of B-TrunC system of the embodiment of the present invention；
Fig. 3 is a kind of step flow chart of the embodiment of the method two of data exchange of the embodiment of the present invention；
Fig. 4 is a kind of structural block diagram of the Installation practice three of data exchange of the embodiment of the present invention；
Fig. 5 is a kind of structural block diagram of the Installation practice four of data exchange of the embodiment of the present invention.
Specific embodiment
The technical issues of in order to keep the embodiment of the present invention solved, technical solution and beneficial effect are more clearly understood, with
The embodiment of the present invention is further described in lower combination accompanying drawings and embodiments.It should be appreciated that specific implementation described herein
Example is only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig.1, a kind of step flow chart of the embodiment of the method one of data exchange of the embodiment of the present invention is shown, is answered
For broadband cluster communication B-TrunC system, the B-TrunC system includes cluster core net, trunked base station and colony terminal,
The cluster core net includes the mobility management entity eMME of evolution, can specifically include following steps:
Step 101, it after the colony terminal starting, is attached in the cluster core net；
In the embodiment of the present invention, which may include cluster core net, trunked base station and colony terminal, go back
It may include data terminal, dispatching desk, SBC (Session Border Controller, Session Border Controller) etc., this hair
Bright embodiment to this with no restriction, it should be noted that the B-TrunC system be with LTE (Long Term Evolution, it is long
Phase evolution) establish based on technology.
The major function of the cluster core net is that the carrying of group service is supported to establish, the operation flow of group service, collect
Encryption end to end, the management of user's access authentication and service authentication, cluster user and group service subscription data of group business
Deng showing a kind of composition schematic diagram of the cluster core net of B-TrunC system of the embodiment of the present invention, the cluster core referring to Fig. 2
Heart host will include five logic entities: eMME (evolve Mobilty management entity, the mobility pipe of evolution
Manage entity), xGW (x GateWay, conjunction set gateway), eHSS (evolve Home Subscriber Server, the user of evolution
Home subscribed services device), TCF (Trunking Control Function, clustered control entity function device), TMF
(Trunking Media Function, group service entity function device)；Wherein, SCC (Switch and Control
Center, switching control center) it can be made of TCF and TMF, above-mentioned logic entity can close according to actual deployment and set shape
At practical network element device, further, the major function of the trunked base station is to support the relevant RRC signaling of group service, cluster
The system message scheduling and transmission of interface in the sky, group service radio bearer are established and control, cluster service user face data
The encryption of wireless access signaling of eating dishes without rice or wine that forwarding, the relevant point-to-point mode of group service are transmitted and integrity protection, data
Encryption etc.；In addition, the major function of the colony terminal is logic channel required for supporting cluster basic service and supplementary service
System information relevant with transmission channel, cluster and paging information.
Wherein, eMME is the mobile management entity of evolution, is responsible for mobility and bearer management；EHSS is subscription data management
Center and Authentication Center；XGW, which refers to closing, sets gateway, is in 3GPP (3rdGeneration Partnership
Project, third generation partner program) conjunction that defines of standard sets gateway SAE (System Architecture
Evolution, system architecture evolution) enhance clustering functionality on the basis of-GW (GateWay, gateway), including cluster carrying establish,
Modification and deletion, company-data routing and forwarding, group service charging information collecting；TCF is mainly responsible for the scheduling of group service
Management；TMF is responsible for the data transmission of group service, in addition, xGW can be by SSPS (SGW sub process system, SGW
(Serving GateWay, gateway) subprocessing system), PSPS (PGW sub processsystem, PGW (PDN
(Packet Data Network, Packet Data Network) GateWay, PDN Gateway) subprocessing system), PCSPS (PCRF (Policy
And Charging Rules Function, Policy and Charging Rules Function) sub process system, PCRF
Processing system), UPPS (userplan process system, user's surface treatment subsystem) composition.
In the embodiment of the present invention, after user starts the colony terminal, after colony terminal searches for network, selected according to priority
It selects suitable network to be adhered to and registered, specifically, colony terminal can send attach request, colony terminal to trunked base station
It completes mutual authentication between cluster core net, the operation such as carries out user location registration and establish default bearing, it can think
Attachment is completed.
Step 102, the first context between the eMME release and the trunked base station connects；
In the concrete realization, which is connected as initial context connection, can adhere to network for colony terminal
Afterwards, the initial context connection established between the eMME and the trunked base station, the trunked base station can send release request
Release request is responded to the eMME, the eMME, the initial context discharged between eMME and trunked base station connects.
Step 103, the eMME judges whether the colony terminal is in evolved packet system connection management free time ECM
IDLE state；
Further, after the first context between eMME release and the trunked base station connects, i.e. the eMME
After initial context connection between release and the trunked base station, which judges whether the colony terminal is in evolution
Grouping system connection management free time ECM IDLE state, for reality, when eMME receives first from the trunked base station
When initial message, which can be S1initial UE message, can determine that the colony terminal is in ECM
(EPS (Evolved Packet System, the grouping system of evolution) Connection Management, evolved packet system
Connection management) IDLE (free time) state.
In a kind of preferred embodiment of the embodiment of the present invention, the eMME judges whether the colony terminal is in ECM
The step of IDLE state includes following sub-step:
Sub-step S1031, the eMME judge whether to receive the first initial message from the trunked base station；
Sub-step S1032, when the eMME is received from the first initial message of the trunked base station, described in determination
Colony terminal is in ECM IDLE state.
Step 104, when the colony terminal is in ECM IDLE state, the eMME is established and the cluster base simultaneously
Dedicated bearer and default bearing between standing；
In the concrete realization, when colony terminal is in ECM IDLE state, eMME is established between trunked base station simultaneously
Dedicated bearer and default bearing, colony terminal is in ECM IDLE state, i.e. between eMME and trunked base station dedicated bearer and
Default bearing can be all released, wherein the patent carrying includes that the patent of original responsible calling service carries, and can also be wrapped
Shared cluster dedicated bearer is included, with no restriction to this, i.e., the dedicated bearer may include original dedicated to the embodiment of the present invention
Carrying and shared cluster dedicated bearer.
It is described when the colony terminal is in ECMIDLE state in another preferred embodiment of the embodiment of the present invention,
The step of dedicated bearer and default bearing that the eMME is established between the trunked base station simultaneously includes following sub-step:
Sub-step S1041, the eMME receive the carrying foundation request that the xGW is sent；
Request is established in sub-step S1042, the eMME response carrying, is sent initial context foundation and is requested to described
Trunked base station；
Sub-step S1043, the eMME, which receive the trunked base station and respond the initial context, to be established request and sends out
The corresponding service surface information of the dedicated bearer and default bearing sent；
Sub-step S1044, the corresponding carrying information of the eMME transmission service surface information are built simultaneously to the xGW
Original dedicated bearer, shared cluster dedicated bearer and default bearing between the vertical and described trunked base station.
For reality, xGW sends carrying and establishes request to eMME, and request is established in the eMME response carrying, sends initial
Context establishes request to the trunked base station, and trunked base station responds the initial context and establishes the dedicated bearer that request is sent
And the corresponding service surface information of default bearing, to eMME, which is included in S1initial context setup
Response message, eMME send the corresponding carrying information of the service surface information to the xGW, and eMME is using the dedicated bearer
And the corresponding service surface information of default bearing establishes the dedicated bearer and default bearing between the trunked base station simultaneously, into one
Step, in the embodiment of the present invention, eMME does not need to issue modify bearer request (bearer update request) to xGW again
The information of default bearing is updated, is revised as parallel in addition, dedicated bearer is established in TCF initiation with establishing shared cluster dedicated bearer
It triggers simultaneously.And be no longer serially to trigger, time delay is significantly shortened using serial triggering.
Step 105, the eMME carries out data by the dedicated bearer and the default bearing and the trunked base station
Exchange.
In the concrete realization, after establishing dedicated bearer and the default bearing, eMME passes through the dedicated bearer and described
Default bearing and the trunked base station carry out data exchange, such as pass through web data packet, VoP and video data packet
The dedicated bearer and default bearing carries out data transmission or data exchange, it is, of course, also possible to special using shared cluster
Carried out data transmission with carrying or data exchange.
It in the embodiment of the present invention, after the colony terminal starting, is attached in the cluster core net, the eMME release
The first context between the trunked base station is connect, and the eMME judges whether the colony terminal is in ECM IDLE shape
State, when the colony terminal is in ECM IDLE state, the eMME establishes dedicated between the trunked base station simultaneously
Carrying and default bearing, the eMME carry out data friendship by the dedicated bearer and the default bearing and the trunked base station
It changes；The embodiment of the present invention solves the voice group call service under the scene of the first context connection between eMME release and trunked base station
The long problem of call delay, not only consumption of network resources is few, and can disposably solve the problems, such as this, and stability is very high, also makes
The message of cluster core network internal Signalling exchange reduces a pair, plays to the reduction of cluster core net network overhead very crucial
Effect, and cluster core net access colony terminal it is more, advantage is more obvious, the performance to cluster core net be one very
Big promotion, cluster core-network side TCF simultaneously establish original dedicated bearer with shared cluster dedicated bearer, cluster core
Net operational excellence, significantly shortens time delay.
Referring to Fig. 3, a kind of step flow chart of the embodiment of the method two of data exchange of the embodiment of the present invention is shown, is answered
For B-TrunC system, the B-TrunC system includes cluster core net, trunked base station and colony terminal, the cluster core
Net includes eMME, can specifically include following steps:
Step 201, when the colony terminal is in ECM IDLE state, the trunked base station simultaneously establish with it is described
Dedicated bearer and default bearing between eMME；
In the embodiment of the present invention, when eMME determines that the colony terminal is in ECM IDLE state, trunked base station
To establish the dedicated bearer and default bearing between eMME simultaneously, wherein the dedicated bearer may include original dedicated holds
The cluster dedicated bearer for carrying and sharing；
It is described when the colony terminal is in ECMIDLE state in a kind of preferred embodiment of the embodiment of the present invention, institute
The step of stating the dedicated bearer and default bearing between trunked base station while foundation and the eMME includes following sub-step:
Sub-step S2011, when the eMME, which receives the carrying that the xGW is sent, establishes request, the trunked base station
It receives the initial context that the eMME is sent and establishes request；Wherein, it includes dedicated bearer that the initial context, which establishes request,
And default bearing information；
Sub-step S2012, the trunked base station established simultaneously according to the dedicated bearer and default bearing information with it is described
Original dedicated bearer between eMME, shared cluster dedicated bearer and default bearing.
Specifically, which receives the hereafter foundation comprising dedicated bearer and default bearing information of eMME transmission
When request, held using the dedicated bearer and default that the dedicated bearer and default bearing information are established between the eMME simultaneously
It carries, it should be noted that be sent to the NAS message carried in the S1 message of colony terminal and only carry a dedicated bearer information i.e.
Can, because colony terminal has had the parameter information of default bearing.
Step 202, the trunked base station carries out data by the dedicated bearer and the default bearing and the eMME
Exchange.
In the concrete realization, the trunked base station carries out data by the dedicated bearer and the default bearing and eMME
Exchange is such as carried out web data packet, VoP and video data packet by the dedicated bearer and the default bearing
Data transmission or data exchange, it is, of course, also possible to which the cluster dedicated bearer that use is shared carries out data transmission or data exchange.
In the embodiment of the present invention, when the colony terminal is in ECM IDLE state, the trunked base station is established simultaneously
Dedicated bearer and default bearing between the eMME, the trunked base station pass through the dedicated bearer and the default bearing
Data exchange is carried out with the eMME；The first context that the embodiment of the present invention solves between eMME release and trunked base station connects
The long problem of voice group call service call delay under the scene connect, not only consumption of network resources is few, and stability is high.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 4, a kind of structural block diagram of the Installation practice three of data exchange of the embodiment of the present invention is shown, is applied
In broadband cluster communication B-TrunC system, the B-TrunC system includes cluster core net, trunked base station and colony terminal, institute
The mobility management entity eMME that cluster core net includes evolution is stated, can specifically include following module:
Judgment module 301 judges whether the colony terminal is in evolved packet system connection management for the eMME
Idle ECM IDLE state；
Module 302 is established in first carrying, for when the colony terminal is in ECM IDLE state, the eMME to be simultaneously
Establish the dedicated bearer and default bearing between the trunked base station；
First data exchange module 303, for the eMME by the dedicated bearer and the default bearing with it is described
Trunked base station carries out data exchange.
Preferably, the cluster core net further includes xGW, clustered control entity function device TCF, group service entity function
The energy device TMF and user attaching subscribed services device eHSS of evolution.
Preferably, the module being connected with the judgment module, further includes:
Attachable module is attached in the cluster core net after colony terminal starting.
Preferably, the judgment module includes:
Judging submodule judges whether to receive the first initial message from the trunked base station for the eMME；
Submodule is determined, for determining when the eMME is received from the first initial message of the trunked base station
The colony terminal is in ECM IDLE state.
Preferably, the dedicated bearer includes original dedicated bearer and shared cluster dedicated bearer, and described first holds
Load establishes module
Request receiving submodule is established in carrying, is received the carrying that the xGW is sent for the eMME and is established request；
First sending submodule responds the carrying for the eMME and establishes request, sends initial context foundation and asks
It asks to the trunked base station；
Second sending submodule receives the trunked base station response initial context foundation for the eMME and asks
The corresponding service surface information of dedicated bearer and default bearing asked and sent；
First carrying setting up submodule sends the corresponding carrying information of the service surface information to described for the eMME
XGW, while establishing original dedicated bearer, shared cluster dedicated bearer and default bearing between the trunked base station.
Preferably, the module being connected with the attachable module, further includes:
Release module is connected for the first context between eMME release and the trunked base station.
Referring to Fig. 5, a kind of structural block diagram of the Installation practice four of data exchange of the embodiment of the present invention is shown, is applied
In broadband cluster communication B-TrunC system, the B-TrunC system includes cluster core net, trunked base station and colony terminal, institute
The mobility management entity eMME that cluster core net includes evolution is stated, can specifically include following module:
Module 401 is established in second carrying, is used for the trunked base station when the colony terminal is in ECM IDLE state
The dedicated bearer and default bearing between the eMME are established simultaneously；
Second data exchange module 402, for the trunked base station by the dedicated bearer and the default bearing with
The eMME carries out data exchange.
Preferably, the dedicated bearer includes original dedicated bearer and shared cluster dedicated bearer, and described second holds
Load establishes module
Initial context establishes request receiving module, for establishing when the eMME receives the carrying that the xGW is sent
When request, the trunked base station receives the initial context that the eMME is sent and establishes request；Wherein, the initial context is built
Vertical request includes dedicated bearer and default bearing information；
Second carrying setting up submodule, for the trunked base station according to the dedicated bearer and default bearing information simultaneously
Establish original dedicated bearer, shared the cluster dedicated bearer and default bearing between the eMME.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
It above to a kind of method provided by the present invention and a kind of device, is described in detail, tool used herein
Principle and implementation of the present invention are described for body example, the above embodiments are only used to help understand this hair
Bright method and its core concept；At the same time, for those skilled in the art, according to the thought of the present invention, specific real
Apply in mode and application range that there will be changes, in conclusion the content of the present specification should not be construed as to limit of the invention
System.
Claims (16)
1. a kind of method of data exchange, which is characterized in that be applied to broadband cluster communication B-TrunC system, the B-TrunC
System includes cluster core net, trunked base station and colony terminal, and the cluster core net includes the mobility management entity of evolution
EMME, which comprises
The eMME judges whether the colony terminal is in evolved packet system connection management free time ECM IDLE state；
When the colony terminal is in ECM IDLE state, the eMME establishes dedicated between the trunked base station simultaneously
Carrying and default bearing；
The eMME carries out data exchange by the dedicated bearer and the default bearing and the trunked base station.
2. the method according to claim 1, wherein the cluster core net further includes xGW, clustered control entity
The user attaching subscribed services device eHSS of functional device TCF, group service entity function device TMF and evolution.
3. the method according to claim 1, wherein the eMME judges whether the colony terminal is in ECM
Before the step of IDLE state, further includes:
After the colony terminal starting, it is attached in the cluster core net.
4. method according to claim 1 or 2, which is characterized in that the eMME judges whether the colony terminal is in
The step of ECM IDLE state includes:
The eMME judges whether to receive the first initial message from the trunked base station；
When the eMME is received from the first initial message of the trunked base station, determine that the colony terminal is in ECM
IDLE state.
5. method according to claim 1 or 2 or 3, which is characterized in that the dedicated bearer includes original dedicated bearer
And shared cluster dedicated bearer, it is described when the colony terminal be in ECM IDLE state, the eMME establish simultaneously and
The step of dedicated bearer and default bearing between the trunked base station includes:
The eMME receives the carrying that the xGW is sent and establishes request；
The eMME responds the carrying and establishes request, sends initial context and establishes request to the trunked base station；
The eMME, which receives the trunked base station and responds the initial context, establishes request and the dedicated bearer that sends and silent
Recognize the corresponding service surface information of carrying；
The eMME sends the corresponding carrying information of the service surface information to the xGW, while establishing and the trunked base station
Between original dedicated bearer, shared cluster dedicated bearer and default bearing.
6. method according to claim 1 or 2, which is characterized in that the eMME judges whether the colony terminal is in
Before the step of ECM IDLE state, after the colony terminal starting, it is attached to after the step in the cluster core net, also
Include:
The first context between the eMME release and the trunked base station connects.
7. a kind of method of data exchange, which is characterized in that be applied to B-TrunC system, the B-TrunC system includes cluster
Core net, trunked base station and colony terminal, the cluster core net includes eMME, which comprises
When the colony terminal is in ECM IDLE state, the trunked base station is established dedicated between the eMME simultaneously
Carrying and default bearing；
The trunked base station carries out data exchange by the dedicated bearer and the default bearing and the eMME.
8. the method according to the description of claim 7 is characterized in that the dedicated bearer includes original dedicated bearer and shares
Cluster dedicated bearer, it is described when the colony terminal is in ECM IDLE state, the trunked base station simultaneously establish and institute
The step of stating the dedicated bearer and default bearing between eMME include:
When the eMME, which receives the carrying that the xGW is sent, establishes request, the trunked base station receives the eMME and sends
Initial context establish request；Wherein, it includes dedicated bearer and default bearing information that the initial context, which establishes request,；
The trunked base station is established original between the eMME simultaneously according to the dedicated bearer and default bearing information
Dedicated bearer, shared cluster dedicated bearer and default bearing.
9. a kind of device of data exchange, which is characterized in that be applied to broadband cluster communication B-TrunC system, the B-TrunC
System includes cluster core net, trunked base station and colony terminal, and the cluster core net includes the mobility management entity of evolution
EMME, described device include:
Judgment module judges whether the colony terminal is in evolved packet system connection management free time ECM for the eMME
IDLE state；
Module is established in first carrying, for when the colony terminal be in ECM IDLE state, the eMME establish simultaneously and
Dedicated bearer and default bearing between the trunked base station；
First data exchange module passes through the dedicated bearer and the default bearing and the trunked base station for the eMME
Carry out data exchange.
10. device according to claim 9, which is characterized in that the cluster core net further includes xGW, clustered control reality
The user attaching subscribed services device eHSS of body function device TCF, group service entity function device TMF and evolution.
11. device according to claim 9, which is characterized in that the module being connected with the judgment module, further includes:
Attachable module is attached in the cluster core net after colony terminal starting.
12. device according to claim 9 or 10, which is characterized in that the judgment module includes:
Judging submodule judges whether to receive the first initial message from the trunked base station for the eMME；
Submodule is determined, described in determining when the eMME is received from the first initial message of the trunked base station
Colony terminal is in ECM IDLE state.
13. according to device described in claim 9 or 10 or 11, which is characterized in that the dedicated bearer includes original dedicated
Carrying and shared cluster dedicated bearer, first carrying establish module and include:
Request receiving submodule is established in carrying, is received the carrying that the xGW is sent for the eMME and is established request；
First sending submodule responds the carrying for the eMME and establishes request, sends initial context and establishes request extremely
The trunked base station；
Second sending submodule, for the eMME receive the trunked base station respond the initial context establish request and
The corresponding service surface information of the dedicated bearer and default bearing of transmission；
First carrying setting up submodule sends the corresponding carrying information of the service surface information to the xGW for the eMME,
Original dedicated bearer, shared the cluster dedicated bearer and default bearing between the trunked base station are established simultaneously.
14. device according to claim 9 or 10, which is characterized in that the module being connected with the attachable module is also wrapped
It includes:
Release module is connected for the first context between eMME release and the trunked base station.
15. a kind of device of data exchange, which is characterized in that be applied to B-TrunC system, the B-TrunC system includes collection
Group's core net, trunked base station and colony terminal, the cluster core net includes eMME, and described device includes:
Module is established in second carrying, for when the colony terminal is in ECM IDLE state, the trunked base station to be built simultaneously
Dedicated bearer and default bearing between the vertical and described eMME；
Second data exchange module passes through the dedicated bearer and the default bearing and the eMME for the trunked base station
Carry out data exchange.
16. device according to claim 15, which is characterized in that the dedicated bearer includes original dedicated bearer and is total to
The cluster dedicated bearer enjoyed, second carrying establish module and include:
Initial context establishes request receiving module, for establishing request when the eMME receives the carrying that the xGW is sent
When, the trunked base station receives the initial context that the eMME is sent and establishes request；Wherein, the initial context foundation is asked
It asks including dedicated bearer and default bearing information；
Second carrying setting up submodule, is established for the trunked base station according to the dedicated bearer and default bearing information simultaneously
Original dedicated bearer between the eMME, shared cluster dedicated bearer and default bearing.
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| CN109429180B (en) | 2020-09-11 |
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