CN101217697B - A signaling load establishing method and corresponding system, mobile management object - Google Patents
A signaling load establishing method and corresponding system, mobile management object Download PDFInfo
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Abstract
The invention provides a method for setting up signaling bearing and a system thereof. The method comprises that: mobile management entity, based on parameters used for setting up signaling bearing, distributes bearing resource to the signaling and establishes signaling bearing context; the mobile management entity sends request for setting up bearing to a base station, triggers the base station to set up bearing; the request for setting up bearing carries the bearing resource distributed by mobile management entity which renews the signaling bearing context on the basis of the bearing resource of base station side returned from the base station. The technical scheme provided by the embodiment of the invention saves the resources of SAE service gateway and SAE packet data protocol gateway.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of method and system thereof that sets up signaling bear.
Background technology
Third generation collaborative project (3GPP; 3rd Generation Partnership Project) mobile communcations system core network system architecture evolution network (SAE of future generation; System Architecture Evolution) be a unified network that Packet Service is provided, relevant speech business is carried on the SAE network.SAE provides always online function to the user; Behind user access network,, the user carries for setting up default IP; Follow-up signaling; As call out called subscriber's session initiation protocol (SIP, Session Initial Protocol) signaling or do not have the data that special service quality (QOS, Quality of Service) requires and use default bearer to transmit usually.
The SAE network architecture is generally plane (FLAT) framework of two-layer node mode; Be used to realize to control and separating of carrying; Its default bearer passage is: the UMTS land radio access web (EUTRAN of evolution; Evolved UTRAN) <-SAE gateway (Serving SAE GW) <-SAE packet data protocol gateway (PDN SAE GW, Packet Data Protocol SAE Gateway).
It is following that concrete default bearer is set up process:
Steps A: mobile management entity (MME; Mobile Management Entity) adhere to insert finish dealing with after; The QOS parameter corresponding according to the default bearer that obtains from home subscriber server (HSS, Home Subscriber Server) initiates to create the request of carrying (Create BearerRequest) to Serving SAE GW; Serving SAE GW distributes local bearing resource; And initiate CreateBearer Request to PDN SAE GW and ask, PDN SAE GW is that this carries distribution local resource, distributing IP address; And to policy control and charging regulation function entity (PCRF; Policy Control and Charging RuleFunction) the corresponding control strategy of application returns the establishment carrying to Serving SAE GW and replys (CreateBearer Response), carries the local bearing resource that distributes, mobile phone IP address etc.;
Step B:Serving SAE GW sends Create Bearer Response to MME, carries the local bearing resource that distributes etc.;
Step C:MME sends to adhere to EUTRAN and accepts message, carries information such as the bearing resource that mobile phone IP address, ServingSAE GW distributes, QOS strategy.EUTRAN distributes local resource according to control strategy, and initiates to adhere to accept request to mobile phone, and the notice mobile phone is set up carrying simultaneously;
Step D: travelling carriage (MS, Mobile Station) carries to set up to be handled, and echo reply is given EUTRAN.EUTRAN returns to adhere to and accepts to reply to MME, and carries the local bearing resource that distributes etc.;
Step e: MME carries the bearing resource of EUTRAN distribution etc. to Serving SAE GW starting update load bearing (Update Bearer) request;
Step F: Serving SAE GW upgrades the bearing resource of EUTRAN, returns more new bearer and replys (Update Bearer Response).
Setting up process by above-mentioned default bearer can know, MME is through set up default bearer end to end three times with Serving SAE GW, PDN SAEGW alternately.
Said default bearer is the SIP signaling bear, when MS is attached to network, sets up, and after MS and network detach, said SIP signaling bear just is released, and the life cycle of adhering to the user is identical.
Under the Flat of SAE framework, because Serving SAE GW directly faces EUTRAN, the change in path will constantly appear along with the variation of EUTRAN in default bearer in this section path of EUTRAN and Serving SAE GW.When passing in and out idle (IDLE) attitude like the user, the path between EUTRAN and the Serving SAE GW is recovered to set up and is removed, and also need carry out the bearer update flow process between MME and the Serving SAE GW.
And default bearer is set up when the user adheres to, and all need preserve its bearer context at MME/Serving SAE GW/PDN SAEGW.
Therefore; In carrying out the invention process; The inventor finds to exist at least in the prior art following problem: because the SIP signaling bear is based upon between MME and SAE gateway, the SAE packet data protocol gateway; Therefore all need preserve bearer context on SAE gateway and the SAE packet data protocol gateway, waste the resource of gateway greatly; In addition, owing to need carry out the bearer update flow process between MME and the SAE gateway, therefore increased the time delay that signaling bear recovers.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of method and system thereof that sets up signaling bear, can reduce the waste to gateway resource.
For solving the problems of the technologies described above, the purpose of the embodiment of the invention realizes through following technical scheme:
Inventive embodiments provides a kind of method of setting up signaling bear, comprising:
Mobile management entity is said signaling assignment signalling bearing resource according to the parameter that is used to set up signaling bear, creates the signaling bear context;
Said mobile management entity informing base station is according to the signaling bear asset creation signaling bear of said distribution;
The signaling bear that said mobile management entity is created according to said base station upgrades said signaling bear context.
Inventive embodiments provides a kind of system that sets up signaling bear, comprising:
Mobile management entity is used for according to the parameter that is used to set up signaling bear, is said signaling assignment signalling bearing resource, establishment signaling bear context;
The base station; Being used for according to said mobile management entity is the signaling bear resource that said signaling is distributed; Create signaling bear; And the signaling bear resource of said establishment returned to mobile management entity, and make said mobile management entity according to the signaling bear resource of the base station side of returning, upgrade said signaling bear context.
Inventive embodiments provides a kind of mobile management entity, comprising:
The bearing resource allocation units are used for being signaling assignment signalling bearing resource according to the parameter that is used to set up signaling bear, and create the signaling bear context;
Create and carry request transmitting unit, be used for sending the request of creating signaling bear, carry the signaling bear resource that mobile management entity distributes in the request that said establishment is carried to the base station;
Receiving element is used to receive the signaling bear resource of the base station side of returning said base station;
Updating block, the signaling bear resource of the base station side that the base station that is used for receiving according to said receiving element is returned is upgraded the signaling bear context that said bearing resource allocation units are created.
The method of setting up signaling bear that provides through the embodiment of the invention and system thereof, mobile management entity because signaling bear is based upon on the mobile management entity, have therefore been practiced thrift the resource on SAE gateway and the SAE packet data protocol gateway.
Description of drawings
Fig. 1 sets up the flow chart of an embodiment of method of signaling bear for the present invention;
Fig. 2 sets up the flow chart that the back service bearer is set up process for signaling bear of the present invention;
Fig. 3 sets up the structure chart of an embodiment of system of signaling bear for the present invention.
Embodiment
The embodiment of the invention provides a kind of method and system thereof that sets up signaling bear.For making technical scheme of the present invention clearer, below with reference to accompanying drawing and enumerate embodiment, to further explain of the present invention.
Please with reference to Fig. 1, set up the flow chart of first embodiment of the method for signaling bear for the present invention.
The said detailed process of setting up signaling bear comprises:
The attach request that step 101:MME sends according to MS according to the relevant parameter of the signaling bear of having known, is said signaling assignment signalling bearing resource after accomplishing and adhering to the access processing, and creates the signaling bear context;
In the present embodiment, said signaling is the SIP signaling.
The relevant parameter of said signaling bear comprises the information such as flow template of QOS parameter, SIP signaling bear.
MME is before setting up signaling bear, and the relevant parameter of said signaling bear can obtain from HSS through MME, also can carry out pre-configured through equipment of itself.
In the time of MME assignment signalling bearing resource, can also distribute registering IP address for the SIP signaling, MS can carry out Signalling exchange through said registering IP address and upper management entity.
Step 102:MME sends strategy request to PCRF, and request PCRF provides the control strategy of signaling bear, and said strategy request is carried flow template information;
The strategy request that step 103:PCRF sends according to MME is sent the strategy request response message to MME, carries the control strategy of signaling bear;
Step 104:MME revises the context of signaling bear according to the control strategy of the signaling bear of PCRF transmission;
Wherein, step 102 is when PCRF asks the control strategy of SIP signaling bear, to carry out to step 104, so step 102 can be omitted to step 104.
Step 105:MME sends signaling bear to evolved base station (eNodeB) and sets up request and adhere to and accept message, and said adhering to accepted message and carry signaling bear sign, the request of setting up of said signaling bear to carry the bearing resource information and the MME that distribute for signaling be signaling bear IP address allocated etc.;
Said signaling bear is set up request and is adhered to and accepts message and can set up in (Init Context Setup) message and send through being carried on initial content.Said signaling bear sign can be used for signaling bear and other carrying is distinguished.Said signaling bear resource information comprises the identification information of bearing resource.
Step 106:eNodeB creates local signaling bear; And send signaling bear to MS and set up request, wherein carrying to adhere to and receive information, MS accepts this signaling bear and sets up request; Return signaling bear and set up response message, wherein carry and adhere to completion information to eNodeB;
Step 107:eNodeB returns signaling bear to MME and sets up response message, and carries the signaling bear resource of eNodeB side and adhere to completion information;
The signaling bear resource that step 108:MME returns according to eNodeB is upgraded the signaling bear resource in the signaling bear context, sets up the signaling bear between MME and the MS.
The sign of said signaling bear is distributed by MME.
In the present embodiment; Said signaling is the SIP signaling; MS can distinguish the carrying of SIP signaling bear and other type according to the sign of said signaling bear, and carries out Signalling exchange according to its this signaling bear corresponding IP address and upper management entity, for example registers or the like to the IMS territory.
In addition, when user terminal switched between the base station, the access side signaling bear resource information of signaling bear needed change, and MME only need change the signaling bear resource information on this equipment, upgrades and need not to notify Serving GW to carry out beared information.
When signaling bear terminated on the MME, the data of transmitting on the signaling bear directly sent to mobile management entity and carry out buffer memory, and mobile management entity can directly trigger the paging flow process, shortened the time delay that signaling bear recovers foundation.
Therefore; Can find out from the embodiment of the invention described above,, walk around Serving SAE GW/PDN SAE GW because said signaling bear is to be based upon between MS and the MME; And when user terminal switches between the base station; MME only need change the bearing resource information on this equipment, therefore, has saved the Internet resources on the GW; In addition,, carry data and can directly be issued to MME, trigger paging, reduced the paging time delay by MME when signaling bear terminates on the MME.For example for the called SIP signaling etc. that waits of the calling in the telephone service, can directly send to and initiate the paging flow process on the MME immediately, follow-up SIP signaling bear recovery process also can be accelerated.
Please with reference to Fig. 2, for signaling bear of the present invention is set up the flow chart that the back service bearer is set up process.After adopting signaling bear method for building up of the present invention to set up signaling bear; When user terminal need carry out business; Also need set up service bearer, the process of setting up of said service bearer will be initiated by the MME in the network, and the detailed process of the foundation of said service bearer is following:
Step 201:MME obtains the corresponding control strategy of service bearer from PCRF;
In the present embodiment, said business is that SIP is professional.
Step 202:MME is according to said control strategy; For service bearer distributes bearing identification; Set up the service bearer context; And to Serving SAE GW transmission establishment service bearer context request (CreateBearer Context Request), the information of carrying said control strategy and PDN SAE GW;
The information of said PDN SAE GW comprises the IP address information of PDN SAE GW.
Step 203:Serving SAE GW is according to the contextual request of said establishment service bearer; Service bearer resource for this side of traffic assignments; Set up the service bearer context; And send Create BearerContext Request and ask GW, and carry the service bearer resource of said control strategy and the distribution of this side to PDN SAE;
Step 204:PDN SAE GW asks according to said Create Bearer Context Request; Service bearer resource and IP address for this side of traffic assignments; And send to create bearing response message (CreateBearer Context Response) and send to Serving SAE GW, carry service bearer resource and IP address that this side is distributed;
Step 205:Serving SAE GW upgrades the information of PDN SAE GW, and returns and create bearing response message to MME, carries the service bearer resource that Serving SAE GW distributes;
Step 206:MME sends service bearer to eNodeB and sets up request, carries service bearer resource that bearing identification, ServingSAE GW distribute, PDN SAE GW IP address allocated, corresponding QOS strategy, flow template information etc.;
MS can use said IP address and upper management entity to carry out the business transmission.
Step 207:eNodeB sets up request according to said service bearer, distributes this side business bearing resource, and notice MS creates service bearer;
Step 208:MS creates service bearer, and returns service bearer to MME and set up response message, carries the service bearer resource that eNodeB distributes;
Step 209:MME initiates bearer update request (Update Bearer) to Serving SAE GW; And carry the service bearer resource that eNodeB distributes; Serving SAE GW upgrades the service bearer resource of eNodeB in bearer context, and echo reply message is given MME.
Please, set up the structure chart of an embodiment of system of signaling bear for the present invention with reference to Fig. 3.The said system that sets up signaling bear comprises mobile management entity 31, base station 32, home subscriber server 33, policy control and charging regulation function entity 34, SAE gateway 35, SAE packet data protocol gateway 36.
Said mobile management entity 31 is used for according to being used to set up signaling bear, is signaling assignment signalling bearing resource, creates the signaling bear context.
Said mobile management entity 31 sends the request of creating signaling bear and gives said base station 32, carries the signaling bear resource that said mobile management entity 31 distributes in the request that said establishment is carried.
Said signaling is the SIP signaling.The relevant parameter of said signaling bear comprises the information such as flow template of QOS parameter, SIP signaling bear.
In the time of said mobile management entity 31 assignment signalling bearing resources, can also distribute registering IP address for signaling, travelling carriage can carry out Signalling exchange through said registering IP address and upper management entity.Said base station 32; Be used for request according to the establishment signaling bear of said mobile management entity 31 transmissions; Create signaling bear; And the signaling bear resource of said establishment returned to mobile management entity 31, mobile management entity 31 upgrades said signaling bear context according to the signaling bear resource of the base station side of returning.
Said base station 32 can be eNodeB, and the request that said establishment is carried can be set up in the message and sends through being carried on initial content.Said base station 32; Be used for according to the signaling bear resource of said mobile management entity 31 for said signaling distribution; Create signaling bear; And the signaling bear resource of said establishment returned to mobile management entity 31, and make mobile management entity 31 according to the signaling bear resource of the base station side of returning, upgrade said signaling bear context.
Said home subscriber server 33, the relevant parameter that is used to the SIP signaling bear is provided is to said mobile management entity 31.
Said policy control and charging regulation function entity 34 are used for providing to mobile management entity 31 control strategy of SIP signaling bear.
After setting up signaling bear, when user terminal need carry out business, need set up service bearer.Said business can be professional for SIP.
Said SAE gateway 34 is used for the request according to mobile management entity 31, is traffic assignments service bearer resource, creates the service bearer context, and request SAE packet data protocol gateway 35 is said service creation service bearer.
Said SAE packet data protocol gateway 35; Be used for request according to said SAE gateway 34; Be the service bearer resource and the IP address of traffic assignments, and return to SAE gateway 34, so that upgrade the SAE packet data protocol gateway information in the SAE gateway 34.
Said mobile management entity 31 further can comprise:
The bearing resource allocation units are used for the relevant parameter corresponding according to signaling bear, are signaling assignment signalling bearing resource, and create the signaling bear context;
Create and carry request transmitting unit, be used for sending the request of creating signaling bear, carry the signaling bear resource of MME distribution in the request of said establishment signaling bear and be service bearer IP address allocated information to the base station;
Receiving element is used to receive the signaling bear resource of the base station side of returning the base station;
Updating block, the signaling bear resource of the base station side that the base station that is used for receiving according to said receiving element is returned is upgraded the signaling bear context that the bearing resource allocation units are created.
Said mobile management entity 31 can also comprise:
The quality of service policy information unit is used to provide the corresponding relevant parameter of signaling bear to said bearing resource allocation units.
Said mobile management entity 31 can also comprise:
Service bearer is set up the unit, and being used to ask the base station is the service creation service bearer, and the request user terminal is that the service bearer resource of said traffic assignments is set up the service bearer context according to the base station.
Mobile management entity in the embodiment of the invention can also be other other functional entitys of realizing similar functions.
The method of setting up signaling bear that provides through the embodiment of the invention and system thereof, mobile management entity because signaling bear is based upon on the mobile management entity, have therefore been practiced thrift the resource on SAE gateway and the SAE packet data protocol gateway; And because signaling bear is based upon on the mobile management entity, when signaling bear terminated on the mobile management entity, signaling directly sent to mobile management entity, can shorten the paging time delay; In addition, because signaling bear is based upon on the mobile management entity,, when signaling bear need be changed, only need to upgrade the bearing resource information on the mobile management entity, so the time delay that signaling bear recovers has also obtained shortening when user terminal switches between the base station.
More than a kind of method and system, mobile management entity and system thereof that sets up signaling bear provided by the present invention carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used to help to understand disclosed technical scheme; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (15)
1. a method of setting up signaling bear is used to signaling and sets up carrying, it is characterized in that, comprising:
Mobile management entity is said signaling assignment signalling bearing resource according to the parameter that is used to set up signaling bear, creates the signaling bear context;
Said mobile management entity informing base station is according to the signaling bear asset creation signaling bear of said distribution;
The signaling bear that said mobile management entity is created according to said base station upgrades said signaling bear context.
2. the method for setting up signaling bear according to claim 1 is characterized in that, the signaling bear that said mobile management entity is created according to the base station, and renewal also comprises after setting up said signaling bear context:
Said mobile management entity returns the mobile management entity registering IP address corresponding with signaling bear between the user terminal and the sign of signaling bear to user terminal, and said registering IP address is distributed according to the parameter that is used to set up signaling bear by mobile management entity.
3. the method for setting up signaling bear according to claim 1 is characterized in that, also comprises before the signaling bear asset creation signaling bear of said mobile management entity informing base station according to said distribution:
Said mobile management entity obtains the control strategy of said signaling bear from policy control and charging regulation function entity;
Said mobile management entity is revised the context of signaling bear according to the control strategy of said signaling bear.
4. the method for setting up signaling bear according to claim 1 is characterized in that, the said parameter that is used to set up signaling bear comprises the QoS parameter of signaling bear.
5. the method for setting up signaling bear according to claim 1 is characterized in that, mobile management entity also comprises for before the signaling assignment signalling bearing resource according to the parameter that is used to set up signaling bear:
Said mobile management entity obtains to be used to set up the parameter of signaling bear or carry out the pre-configured parameter that is used to set up signaling bear through equipment of itself from home subscriber server.
6. the method for setting up signaling bear according to claim 1 is characterized in that, when user terminal need carry out business, also comprises: said mobile management entity request base station is said service creation service bearer;
Said mobile management entity receives the service bearer resource that said base station is said service creation;
Said mobile management entity sends to user terminal and creates the contextual request of service bearer, carries the service bearer resource into said traffic assignments, and the control user terminal is set up the service bearer context.
7. the method for setting up signaling bear according to claim 6 is characterized in that, said mobile management entity request base station is that the detailed process that said service creation carries comprises:
The control strategy that said mobile management entity is corresponding according to service bearer for service bearer distributes bearing identification, is set up the service bearer context, and sends establishment service bearer context request to System Architecture Evolution network SAE gateway;
Said SAE gateway for the service bearer resource of this side of traffic assignments, is set up the service bearer context according to the contextual request of said establishment service bearer, and request SAE packet data protocol gateway is said service creation service bearer;
Service bearer and IP address that said SAE gateway is said service creation according to said SAE packet data protocol gateway; Upgrade SAE packet data protocol gateway information; And return and create bearing response message to said mobile management entity, said establishment bearing response message is carried the service bearer resource that said SAE gateway distributes;
Said mobile management entity sends service bearer to said base station and sets up request, and the request of setting up of said service bearer carries said bearing identification, said service bearer resource and SAE packet data protocol gateway IP address allocated.
8. the method for setting up signaling bear according to claim 1 is characterized in that, the signaling bear that said mobile management entity is created according to said base station upgrades said signaling bear context and is specially:
The signaling bear that said mobile management entity is created according to said base station upgrades that mobile management entity is the signaling bear resource of signaling distribution with the base station in the said signaling bear context, sets up the signaling bear between mobile management entity and the base station.
9. a system that sets up signaling bear is characterized in that, comprising:
Mobile management entity is used for according to the parameter that is used to set up signaling bear, is said signaling assignment signalling bearing resource, establishment signaling bear context;
The base station; Being used for according to said mobile management entity is the signaling bear resource that said signaling is distributed; Create signaling bear; And the signaling bear resource of said establishment returned to mobile management entity, and make said mobile management entity according to the signaling bear resource of the base station side of returning, upgrade said signaling bear context.
10. the system that sets up signaling bear according to claim 9 is characterized in that, also comprises:
Home subscriber server, the parameter that is used to be provided for setting up signaling bear is to said mobile management entity.
11. the system that sets up signaling bear according to claim 9 is characterized in that, also comprises:
Policy control and charging regulation function entity are used for providing to said mobile management entity the control strategy of signaling bear.
12. the system that sets up signaling bear according to claim 9 is characterized in that, also comprises:
System Architecture Evolution network SAE gateway is used for the request according to mobile management entity, is traffic assignments service bearer resource, creates the service bearer context;
SAE packet data protocol gateway according to the request of said SAE gateway, is said traffic assignments service bearer resource and IP address, and returns to the SAE gateway, so that upgrade the SAE packet data protocol gateway information in the said SAE gateway.
13. a mobile management entity is characterized in that, comprising:
The bearing resource allocation units are used for being signaling assignment signalling bearing resource according to the parameter that is used to set up signaling bear, and create the signaling bear context;
Create and carry request transmitting unit, be used for sending the request of creating signaling bear, carry the signaling bear resource that mobile management entity distributes in the request that said establishment is carried to the base station;
Receiving element is used to receive the signaling bear resource of the base station side of returning said base station;
Updating block, the signaling bear resource of the base station side that the base station that is used for receiving according to said receiving element is returned is upgraded the signaling bear context that said bearing resource allocation units are created.
14. mobile management entity according to claim 13 is characterized in that, also comprises:
Parameter provides the unit, and the relevant parameter that is used to signaling bear is provided is to said bearing resource allocation units.
15. mobile management entity according to claim 13 is characterized in that, said mobile management entity also comprises:
Service bearer is set up the unit, and being used to ask the base station is the service creation service bearer, and the request user terminal is that the service bearer resource of said traffic assignments is set up the service bearer context according to the base station.
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| CN2007103078807A CN101217697B (en) | 2007-12-29 | 2007-12-29 | A signaling load establishing method and corresponding system, mobile management object |
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| CN101742452B (en) * | 2008-11-10 | 2012-08-29 | 华为技术有限公司 | Load bearing management method, relevant equipment and network system |
| CN101437297B (en) * | 2008-12-16 | 2012-07-04 | 华为技术有限公司 | Method, apparatus and system for processing business |
| CN101998567B (en) * | 2009-08-21 | 2014-09-10 | 中兴通讯股份有限公司 | Connection activating method and connection activating system for changing service gateway during converting terminal into connection state |
| CN106341812B (en) * | 2015-07-17 | 2019-07-02 | 电信科学技术研究院 | Data transmission method, base station, mobile management entity, terminal and system |
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| CN101043705A (en) * | 2006-03-21 | 2007-09-26 | 华为技术有限公司 | Method and system for limiting signaling of mobile management in wireless evolvement network |
| EP1848167A1 (en) * | 2006-04-21 | 2007-10-24 | NEC Corporation | A mobile communication system for matching resource amount of core network bearer and resource amount of visited network bearer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043705A (en) * | 2006-03-21 | 2007-09-26 | 华为技术有限公司 | Method and system for limiting signaling of mobile management in wireless evolvement network |
| EP1848167A1 (en) * | 2006-04-21 | 2007-10-24 | NEC Corporation | A mobile communication system for matching resource amount of core network bearer and resource amount of visited network bearer |
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| 3GPP System Architecture Evolution: Report onTechnicalOptions and Conclusions (Release 7).3GPP TR 23.882V 1.12.0.2007,V 1.12.023-27,209. * |
| 3GPPSystemArchitectureEvolution:ReportonTechnicalOptionsandConclusions(Release7).3GPPTR23.882V1.12.0.2007 V 1.12.023-27 |
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