CN105393635B - Application server, network element and its method for selecting network element - Google Patents
Application server, network element and its method for selecting network element Download PDFInfo
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- CN105393635B CN105393635B CN201480036020.2A CN201480036020A CN105393635B CN 105393635 B CN105393635 B CN 105393635B CN 201480036020 A CN201480036020 A CN 201480036020A CN 105393635 B CN105393635 B CN 105393635B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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Abstract
The invention discloses a kind of application server, network element and its methods for selecting network element.The application server includes the first Transmit-Receive Unit and first processing units, and the first Transmit-Receive Unit obtains tracking area identification TAI and cell ID ECGI from user equipment；First processing units inquire preset configuration information according to TAI, to select the network element of multimedia broadcasting MBMS, network element progress MBMS bearing activation, MBMS deleting load-bearing or the MBMS bearing modification of application server and selection.By the above-mentioned means, the present invention can select the network element of MBMS by TAI and ECGI.
Description
[technical field]
The present invention relates to fields of communication technology, more particularly to a kind of application server, network element and its side for selecting network element
Method.
[background technique]
Trunked communication system is a kind of specific communication system with dispatching, is capable of providing unidirectional delivery value,
User equipment (User Equipment, UE) same or multiple other users equipment are allowed to be communicated.With mobile service
Become increasingly abundant, text, picture, video etc. all become one of cluster communication content, and traditional trunked communication system cannot
Meets the needs of communication.Also, with the development of long term evolution (Long Term Evolution, LTE) technology, in public LTE
Realize that group service abundant is possibly realized on network.The mode that unicast and multicast can be used in cluster communication in LTE carries out letter
Breath transmission.The wherein multicast transmission mode of cluster communication carries out information transmission using existing MBMS technology.
As shown in Figure 1, existing multimedia broadcasting (Multimedia Broadcast/Multicast Service,
MBMS) system 10 includes: BroadCast MultiCast Service center (Broadcast-Multicast Service Center, BM-SC)
101, MBMS gateway (Multimedia Broadcast/Multicast Service Gateway, MBMS GW) 102, movement
Property managed network element (Mobility Management Entity, MME) 103, multiple cell/multicast cooperative nodes (Multi-cell/
Multicast Coordination Entity, MCE) 104 and Evolved UTRAN (Evolved
Universal Terrestrial Radio Access Network, E-UTRAN) 105.Wherein, BM-SC101 is for providing
The convergence and transmission of business, the authorization of user, the foundation of MBMS business carrying and initiation, initiation of session control etc., simultaneously also
It may be implemented synchronous between BM-SC101 and E-UTRAN105.MBMS-GW102 is between BM-SC101 and E-UTRAN105
One node, as the access gateway of network, for being responsible for the relevant message of processes user data and the relevant signaling of session.It is right
In single MBMS business, MCE104 is mainly used for the scheduling of business, that is, selects suitable resource, carries out multimedia broadcast multicast list
Frequency net (Multicast Broadcast Single Frequency Network, MBSFN) transmission；For multiple MBMS industry
Business, MCE104 need to coordinate its corresponding multiple MBSFN transmission.Cluster communication application server (Group Communication
Service Application Server, GCS AS) it 106 is third-party application server, have and is responsible for group member
Management, activates the functions such as the initiation of MBMS.
GCS AS106 selects other network nodes of BM-SC101 and BM-SC101 selection downlink, is all according in advance
The information of configuration carries out node selection, that is, be pre-configured with MBMS service area mark (MBMS Service Area Identity,
SAI) with the corresponding relationship of each network element.Specifically, corresponding relationship of the GCS AS106 according to SAI and BM-SC101, selection correspondence
BM-SC101, and to BM-SC101 send activation MBMS request；After BM-SC101 receives activation MBMS request message, according to
The corresponding relationship of SAI and MBMS GW102 select corresponding MBMS GW102, and are sent to it session start request.
For the cluster communication of the different service types of public safety field, redefine in MBMS system architecture 10
A part (being less than 8) SAI, i.e. 8 different SAI respectively indicates 8 kinds of different types of business.SAI at this time is only and public
The type of service of secured user group is related, and unrelated with the coverage of MBMS system architecture 10.If necessary to identical
Identical business is broadcasted in coverage (such as some cell cell), then base station only need to include the business pair in system broadcast message
The SAI answered；If identical coverage (such as some cell cell) broadcasts different business, need to disappear in system broadcasts in base station
Comprising the corresponding all SAI of these business, (according to the meaning of the SAI redefined, then the same cell at most can only be wide in breath
Broadcast 8 kinds of different SAI).Therefore, in MBMS bearing activation process, under the selection of the needs such as GCS AS106, BM-SC101 determines
The selection network element of one hop node can not just determine the network node of downlink according to SAI.
[summary of the invention]
In view of this, being able to solve can not root the present invention provides application server, network element and its method for selecting network element
The problem of network node of downlink is determined according to SAI.
First aspect provides a kind of application server comprising the first Transmit-Receive Unit and first processing units, the first transmitting-receiving
Unit obtains tracking area identification TAI and cell ID ECGI from user equipment；First processing units are matched according to TAI inquiry is preset
Confidence breath, to select the network element of multimedia broadcasting MBMS, network element progress the MBMS bearing activation, MBMS of application server and selection
Deleting load-bearing or MBMS bearing modification.
Implementation with reference to first aspect, in the first possible implementation, configuration information include TAI and MBMS
Network element corresponding relationship.
Implementation or the first possible implementation with reference to first aspect, in second of possible implementation
In, configuration information configures on the application server.
Implementation or the first possible implementation or second of possible implementation with reference to first aspect,
In the third possible implementation, the network element selected is BroadCast MultiCast Service center BM-SC.
Any implementation into the third possible implementation of implementation with reference to first aspect, can at the 4th kind
In the implementation of energy, the network element of application server and selection carries out MBMS bearing activation, MBMS deleting load-bearing or MBMS carrying
Modification includes:
First Transmit-Receive Unit sends activation MBMS bearing request message to the network element of selection, activates MBMS bearing request message
Including TAI and ECGI；
Alternatively, the first Transmit-Receive Unit is sent to the network element of selection deactivates MBMS bearing request message, deactivates MBMS and hold
Carrying request message includes TAI and ECGI；
Alternatively, the first Transmit-Receive Unit sends modification MBMS bearing request message to the network element of selection, modification MBMS carrying is asked
Seeking message includes TAI and ECGI.
Any implementation into the third possible implementation of implementation with reference to first aspect, can at the 5th kind
In the implementation of energy, first processing units are joined also according to network element needed for TAI selection, and by required network element setting first
The network element of number, application server and selection carries out MBMS bearing activation, MBMS deleting load-bearing or MBMS bearing modification
First Transmit-Receive Unit sends activation MBMS bearing request message to the network element of selection, activates MBMS bearing request message
Including the first parameter and ECGI；
Alternatively, the first Transmit-Receive Unit is sent to the network element of selection deactivates MBMS bearing request message, deactivates MBMS and hold
Carrying request message includes the first parameter and ECGI；
Alternatively, the first Transmit-Receive Unit sends modification MBMS bearing request message to the network element of selection, modification MBMS carrying is asked
Seeking message includes the first parameter and ECGI.
Second aspect provide it is a kind of select network element method comprising: application server from user equipment obtain TAI and
ECGI；Application server inquires preset configuration information according to TAI, to select the network element of MBMS；Application server and selection
Network element carries out MBMS bearing activation, MBMS deleting load-bearing or MBMS bearing modification.
In conjunction with the implementation of second aspect, in the first possible implementation, configuration information includes TAI and MBMS
Network element corresponding relationship.
In conjunction with the implementation of second aspect or the first possible implementation, in second of possible implementation
In, configuration information configures on the application server.
In conjunction with the implementation of second aspect or the first possible implementation or second of possible implementation,
In the third possible implementation, the network element selected is BM-SC.
In conjunction with second aspect implementation into the third possible implementation any implementation, can at the 4th kind
In the implementation of energy, carrying out MBMS bearing activation, MBMS deleting load-bearing or MBMS bearing modification with the network element of selection includes:
Application server sends activation MBMS bearing request message to the network element of selection, activates MBMS bearing request message packet
Include TAI and ECGI；
Alternatively, application server is sent to the network element of selection deactivates MBMS bearing request message, MBMS carrying is deactivated
Request message includes TAI and ECGI；
Alternatively, application server sends modification MBMS bearing request message, modification MBMS carrying request to the network element of selection
Message includes TAI and ECGI.
In conjunction with second aspect implementation into the third possible implementation any implementation, can at the 5th kind
In the implementation of energy, application server is joined also according to network element needed for TAI selection, and by required network element setting first
Number, carrying out MBMS bearing activation, MBMS deleting load-bearing or MBMS bearing modification with the network element of selection includes:
Application server sends activation MBMS bearing request message to the network element of selection, activates MBMS bearing request message packet
Include the first parameter and ECGI；
Alternatively, application server is sent to the network element of selection deactivates MBMS bearing request message, MBMS carrying is deactivated
Request message includes the first parameter and ECGI；
Alternatively, application server sends modification MBMS bearing request message, modification MBMS carrying request to the network element of selection
Message includes the first parameter and ECGI.
The third aspect provides a kind of network element comprising the second Transmit-Receive Unit and the second processing unit, the second Transmit-Receive Unit from
Application server obtains TAI and ECGI, and the second processing unit inquires preset configuration information according to TAI, to select under MBMS
One jumps network element, and network element and next-hop network element conversate beginning, session stopping or session updates.
In conjunction with the implementation of the third aspect, in the first possible implementation, configuration information includes TAI and MBMS
Network element corresponding relationship.
In conjunction with the implementation of the third aspect or the first possible implementation, in second of possible implementation
In, configuration information configures on network element.
In conjunction with the implementation of the third aspect or the first possible implementation or second of possible implementation,
In the third possible implementation, when network element is BM-SC, BM-SC selects MBMS gateway according to TAI query configuration information
MBMS GW；When network element is MBMS GW, MBMS GW selects mobile management network element MME according to TAI query configuration information.
In conjunction with the third aspect implementation into the third possible implementation any implementation, can at the 4th kind
Can implementation in, conversate beginning, session stopping or session updates of network element and next-hop network element include:
Second Transmit-Receive Unit obtains activation MBMS bearing request message from application server, and down hop network element sends meeting
Words start request message, and activation MBMS bearing request message includes TAI and ECGI, session start request message include TAI and
ECGI；
Alternatively, the second Transmit-Receive Unit is obtained from application server deactivates MBMS bearing request message, and down hop net
Member sends session and stops request message, and deactivating MBMS bearing request message includes TAI and ECGI, and session stops request message packet
Include TAI and ECGI；
Alternatively, the second Transmit-Receive Unit obtains modification MBMS bearing request message, and down hop network element from application server
Session updates request message is sent, modification MBMS bearing request message includes TAI and ECGI, and session updates request message includes
TAI and ECGI.
In conjunction with the third aspect implementation into the third possible implementation any implementation, can at the 5th kind
In the implementation of energy, the second Transmit-Receive Unit also obtains the first parameter from application server, and the first parameter includes application server
According to network element needed for TAI selection, conversate beginning, session stopping or session updates of network element and next-hop network element include:
Second Transmit-Receive Unit obtains activation MBMS bearing request message from application server, and down hop network element sends meeting
Words start request message, and activation MBMS bearing request message includes the first parameter and ECGI, and session start request message includes the
One parameter and ECGI；
Alternatively, the second Transmit-Receive Unit is obtained from application server deactivates MBMS bearing request message, and down hop net
Member sends session and stops request message, and deactivating MBMS bearing request message includes the first parameter and ECGI, and session stops request
Message includes the first parameter and ECGI；
Alternatively, the second Transmit-Receive Unit obtains modification MBMS bearing request message, and down hop network element from application server
Session updates request message is sent, modification MBMS bearing request message includes the first parameter and ECGI, session updates request message
Including the first parameter and ECGI.
Fourth aspect provides a kind of method for selecting network element comprising: network element obtains TAI and ECGI from application server；
Network element inquires preset configuration information according to TAI, to select the next-hop network element of MBMS；Network element conversates with next-hop network element
Beginning, session stopping or session updates.
In conjunction with the implementation of fourth aspect, in the first possible implementation, configuration information includes TAI and MBMS
Network element corresponding relationship.
In conjunction with the implementation of fourth aspect or the first possible implementation, in second of possible implementation
In, configuration information configures on network element.
Possible implementation is planted in conjunction with the implementation of fourth aspect or the first possible implementation or,
In the third possible implementation, when network element is BM-SC, BM-SC selects MBMS GW according to TAI query configuration information；?
When network element is MBMS GW, MBMS GW selects MME according to TAI query configuration information.
In conjunction with fourth aspect implementation into the third possible implementation any implementation, can at the 4th kind
Can implementation in, conversate beginning, session stopping or session updates of network element and next-hop network element include:
Network element obtains activation MBMS bearing request message from application server, and down hop network element sends session start and asks
Message is sought, activation MBMS bearing request message includes TAI and ECGI, and session start request message includes TAI and ECGI；
Alternatively, network element is obtained from application server deactivates MBMS bearing request message, and down hop network element sends meeting
Words stop request message, and deactivating MBMS bearing request message includes TAI and ECGI, session stop request message include TAI and
ECGI；
Alternatively, network element obtains modification MBMS bearing request message from application server, and down hop network element sends session
Request message is updated, modification MBMS bearing request message includes TAI and ECGI, and session updates request message includes TAI and ECGI.
In conjunction with fourth aspect implementation into the third possible implementation any implementation, can at the 5th kind
In the implementation of energy, network element also obtains the first parameter from application server, and the first parameter includes that application server is selected according to TAI
Select required network element, conversate beginning, session stopping or session updates of network element and next-hop network element include:
Network element obtains activation MBMS bearing request message from application server, and down hop network element sends session start and asks
Seek message, activation MBMS bearing request message includes the first parameter and ECGI, session start request message include the first parameter and
ECGI；
Alternatively, network element is obtained from application server deactivates MBMS bearing request message, and down hop network element sends meeting
Words stop request message, and deactivating MBMS bearing request message includes the first parameter and ECGI, and session stops request message and includes
First parameter and ECGI；
Alternatively, network element obtains modification MBMS bearing request message from application server, and down hop network element sends session
Request message is updated, modification MBMS bearing request message includes the first parameter and ECGI, and session updates request message includes first
Parameter and ECGI.
5th aspect provides a kind of user equipment, and user equipment reports TAI and ECGI to application server, so that application takes
Business device selects the network element of MBMS according to TAI.
Through the above scheme, the beneficial effects of the present invention are: the present invention is obtained by the first Transmit-Receive Unit from user equipment
Tracking area identification TAI and cell ID ECGI；First processing units inquire preset configuration information according to TAI, to select MBMS
Network element, the network element that TAI and ECGI select MBMS can be passed through.
[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.Wherein:
Fig. 1 is the structural schematic diagram of existing multi-media broadcasting system；
Fig. 2 is the structural schematic diagram of the communication system of first embodiment of the invention；
Fig. 3 is the structural schematic diagram of the network element of MBMS in Fig. 2；
Fig. 4 is the flow chart of the method for the selection network element of first embodiment of the invention；
Fig. 5 is the flow chart of the method for the selection network element of second embodiment of the invention；
Fig. 6 is the flow chart of the method for the selection network element of third embodiment of the invention；
Fig. 7 is the flow chart of the method for the selection network element of fourth embodiment of the invention；
Fig. 8 is the flow chart of the method for the selection network element of fifth embodiment of the invention.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 is referred to, Fig. 2 is the structure chart of the communication system of first embodiment of the invention.The present embodiment is revealed logical
Letter system 20 includes: the network element 202 and user equipment 203 of application server 201, MBMS.
Wherein, application server 201 includes the first Transmit-Receive Unit 211, first processing units 221 and the first storage unit
231, first processing units 221 are connect with the first Transmit-Receive Unit 211 and first and storage unit 231 respectively.User equipment 203 to
Application server 201 reports mark (the Tracking Area of the tracking area (Tracking Area, TA) belonging to it
Identity, TAI) and cell ID (E-UTRAN Cell Global Identity, ECGI), i.e. application server 201
First Transmit-Receive Unit 211 obtains TAI and ECGI from user equipment 203.First processing units 221 are obtained from the first Transmit-Receive Unit 211
TAI and ECGI are taken, first processing units 221 inquire preset configuration information according to TAI, to select the network element 202 of MBMS, wherein
Preset configuration information includes the corresponding relationship of the network element 202 of TAI and MBMS.Application server 201 and selection network element 202 into
Row MBMS bearing activation, MBMS deleting load-bearing or MBMS bearing modification.
Preferably, the configuration of preset configuration information is in the first storage unit 231, and first processing units 221 are directly from the
One storage unit 231 obtains preset configuration information.In other embodiments, those skilled in the art can incite somebody to action completely
Preset configuration information configuration can incite somebody to action in other equipment, such as on a dns by the configuration of preset configuration information
The corresponding relationship configuration of the network element 202 of TAI and MBMS is matched on new dns server with the corresponding relationship of TAI and common network element
The dns server set is individually present；It can also be by pair of the corresponding relationship of the network element 202 of TAI and MBMS and TAI and common network element
It should be related to configuration in same dns server, common network element is the functional network element (such as MME) in EPS network system, these network elements are not
Participate in the network element of MBMS system.
Communication system 20 further includes next-hop network element 204, and the network element 202 that next-hop network element 204 is MBMS sends message
Object.The network element 202 of MBMS include the second Transmit-Receive Unit 212, the second processing unit 222 and the second storage unit 232, second
Processing unit 222 is connect with the second Transmit-Receive Unit 212 and the second storage unit 232 respectively.The network element 202 of MBMS is from application service
Device 201 obtains TAI and ECGI, i.e. the second Transmit-Receive Unit 212 obtains TAI and ECGI from the first Transmit-Receive Unit 211.Second processing list
Member 222 obtains TAI and ECGI from the second Transmit-Receive Unit 212, and inquires preset configuration information according to TAI, to select MBMS's
Next-hop network element 204.Preset configuration information includes the corresponding relationship of the network element 202 of TAI and MBMS, i.e., preset configuration information
Corresponding relationship including TAI Yu next-hop network element 204, it is preferable that preset configuration information configuration is in the second storage unit 232
On, the second processing unit 222 directly obtains preset configuration information from the second storage unit 232.The network element 202 of MBMS with it is next
Network element 204 is jumped to conversate beginning, session stopping or session updates.
The revealed communication system 20 of the present embodiment selects MBMS by the TAI and ECGI reported according to user equipment 203
Network element 202, and then the network element 202 that TAI and ECGI select MBMS can be passed through.
Shown in Figure 3, the network element 202 of MBMS includes BM-SC, MBMS GW, MME, MCE and eNB, the net of MBMS
The preferably BM-SC or MBMS GW of member 202.Following embodiment is carried out with BM-SC, MBMS GW, MME, MCE and eNB detailed
Explanation.
The present invention also provides the communication systems of second embodiment, in the base of the revealed communication system 20 of first embodiment
It is described on plinth.The revealed application server 201 of the present embodiment and the network element 202 of selection carry out MBMS bearing activation packet
It includes:
First Transmit-Receive Unit 211 of application server 201 sends activation MBMS carrying request to the network element 202 of selection and disappears
Breath, i.e. application server 201 send activation MBMS bearing request message to the BM-SC of selection, activate MBMS bearing request message
Including TAI and ECGI；
Second Transmit-Receive Unit 212 of the network element 202 of MBMS is obtained from the first Transmit-Receive Unit 211 of application server 201 to swash
MBMS bearing request message living, to obtain TAI and ECGI.
The network element 202 of MBMS conversate with next-hop network element 204 start include:
The 212 down hop network element 204 of the second Transmit-Receive Unit of the network element 202 of MBMS sends session start request message, meeting
It includes TAI and ECGI that words, which start request message,.When the network element 202 of MBMS is BM-SC, and next-hop network element 204 is MBMS GW,
BM-SC sends session start request message to MBMS GW, and session start request message includes TAI and ECGI.
When the network element 202 of MBMS is MBMS GW, and next-hop network element 204 is MME, MBMS GW obtains session start request
Message, and preset configuration information is inquired according to TAI, to select corresponding MME；MBMS GW sends session start request to MME
Message, session start request message include TAI and ECGI.
MME obtains session start request message, and selects corresponding MCE according to ECGI；MME sends session start to MCE
Request message, session start request message include TAI and ECGI.
MCE obtains session start request message, and selects corresponding eNB according to ECGI；MCE sends session start to eNB
Request message.
ENB distributing radio resource after receiving session start request message, and send session start response to MCE and disappear
Breath.MCE sends session start response message to MME, and MME sends session start response message to MBMS GW, and MBMS GW is to BM-
SC sends session start response message, and BM-SC sends activation MBMS bearing response message to application server 201.
The present invention also provides the communication system of 3rd embodiment, it is different from the revealed communication system of second embodiment it
It is in: revealed first processing units 221 of the present embodiment also according to network element 202 needed for TAI selection, i.e., the first processing is single
Member 221 selects the network element 202 of all MBMS to be selected when carrying out MBMS bearing activation, the net of all MBMS according to TAI
Member 202 includes BM-SC, MBMS GW, MME and MCE.First processing units 221 are by the required setting of network element 202 in the first ginseng
BM-SC, MBMS GW, MME and MCE are arranged in the first parameter for number, i.e. first processing units 221.Preferably, the first parameter
It can be list of downstream nodes.
Application server 201 and the network element 202 of selection carry out MBMS bearing activation and include:
First Transmit-Receive Unit 211 of application server 201 sends activation MBMS carrying request to network element 202 needed for selection
Message, i.e. application server 201 send activation MBMS bearing request message to the corresponding BM-SC of the first parameter, and activation MBMS is held
Carrying request message includes the first parameter and ECGI；
Second Transmit-Receive Unit 212 of the network element 202 of MBMS is obtained from the first Transmit-Receive Unit 211 of application server 201 to swash
MBMS bearing request message living, to obtain the first parameter and ECGI.
The network element 202 of MBMS conversate with next-hop network element 204 start include:
The 212 down hop network element 204 of the second Transmit-Receive Unit of the network element 202 of MBMS sends session start request message, meeting
It includes the first parameter and ECGI that words, which start request message,.It is BM-SC in the network element 202 of MBMS, next-hop network element 204 is the first ginseng
When number corresponds to MBMS GW, BM-SC sends session start request message to MBMS GW, and session start request message includes the first ginseng
Several and ECGI.
It is MBMS GW in the network element 202 of MBMS, next-hop network element 204 is when corresponding to MME in the first parameter, and MBMS GW is obtained
Session start request message is taken, and corresponds to MME to the first parameter and sends session start request message, session start request message packet
Include the first parameter and ECGI.
MME obtains session start request message, and selects corresponding MCE according to ECGI；MME sends session start to MCE
Request message, session start request message include the first parameter and ECGI.
MCE obtains session start request message, and selects corresponding eNB according to ECGI；MCE sends session start to eNB
Request message.
Relative to the revealed communication system 20 of first embodiment, the revealed communication system of the present embodiment passes through will be required
Network element 202 be arranged in the first parameter, the network element 202 of MBMS can be avoided according to the first parameter selection next-hop network element 204
The network element 202 of MBMS selects next-hop network element 204 by inquiring preset configuration information according to TAI.
The present invention also provides the communication systems of fourth embodiment, in the base of the revealed communication system 20 of first embodiment
It is described on plinth.The revealed application server 201 of the present embodiment and the network element 202 of selection carry out MBMS deleting load-bearing packet
It includes:
First Transmit-Receive Unit 211 of application server 201 sends deactivation MBMS carrying request to the network element 202 of selection and disappears
Breath, i.e. application server 201 send to the BM-SC of selection and deactivate MBMS bearing request message, deactivate MBMS carrying request
Message includes TAI and ECGI；
Second Transmit-Receive Unit 212 of the network element 202 of MBMS is gone from the acquisition of the first Transmit-Receive Unit 211 of application server 201
MBMS bearing request message is activated, to obtain TAI and ECGI；
Second Transmit-Receive Unit 212 of the network element 202 of MBMS takes after obtaining deactivation MBMS bearing request message to application
Business device 201, which is sent, deactivates MBMS bearing response message.
The stopping that conversating of the network element 202 of MBMS and next-hop network element 204 includes:
The 212 down hop network element 204 of the second Transmit-Receive Unit of the network element 202 of MBMS sends session and stops request message, meeting
It includes TAI and ECGI that words, which stop request message,.When the network element 202 of MBMS is BM-SC, and next-hop network element 204 is MBMS GW,
BM-SC sends session to MBMS GW and stops request message, and it includes TAI and ECGI that session, which stops request message,.
MBMS
GW sends session to BM-SC after obtaining session and stopping request message and stops response message.In the network element 202 of MBMS
For MBMS GW, when next-hop network element 204 is MME, MBMS GW inquires preset configuration information according to TAI, corresponding to select
MME；MBMS GW sends session to MME and stops request message, and it includes TAI and ECGI that session, which stops request message,.
MME sends session to MBMS GW after obtaining session and stopping request message and stops response message.MME is according to ECGI
Select corresponding MCE；MME sends session to MCE and stops request message, and it includes TAI and ECGI that session, which stops request message,.
MCE sends session to MME after obtaining session and stopping request message and stops response message.MCE is selected according to ECGI
Corresponding eNB；MCE sends session to eNB and stops request message.
ENB distributing radio resource after receiving session and stopping request message, and send session stopping response to MCE and disappear
Breath.
In other embodiments, first processing units 221 can also select carrying out MBMS deleting load-bearing when institute according to TAI
The network element 202 for all MBMS to be selected, and by the required setting of network element 202 in the first parameter, wherein deactivating MBMS carrying
Request message includes the first parameter and ECGI, and it includes the first parameter and ECGI that session, which stops request message,.
The present invention also provides the communication systems of the 5th embodiment, in the base of the revealed communication system 20 of first embodiment
It is described on plinth.The revealed application server 201 of the present embodiment and the network element 202 of selection carry out MBMS bearing modification packet
It includes:
First Transmit-Receive Unit 211 of application server 201 sends modification MBMS carrying request to the network element 202 of selection and disappears
Breath, i.e. application server 201 send modification MBMS bearing request message to the BM-SC of selection, modify MBMS bearing request message
Including TAI and ECGI；
Second Transmit-Receive Unit 212 of the network element 202 of MBMS is repaired from the acquisition of the first Transmit-Receive Unit 211 of application server 201
Change MBMS bearing request message, to obtain TAI and ECGI；
Second Transmit-Receive Unit 212 of the network element 202 of MBMS is after obtaining modification MBMS bearing request message, to application service
Device 201 sends modification MBMS bearing response message.
The update that conversates of the network element 202 of MBMS and next-hop network element 204 includes:
The 212 down hop network element 204 of the second Transmit-Receive Unit of the network element 202 of MBMS sends session updates request message, meeting
It includes TAI and ECGI that words, which update request message,.When the network element 202 of MBMS is BM-SC, and next-hop network element 204 is MBMS GW,
BM-SC sends session updates request message to MBMS GW, and session updates request message includes TAI and ECGI.
When the network element 202 of MBMS is MBMS GW, and next-hop network element 204 is MME, MBMS GW obtains session updates request
Message, and preset configuration information is inquired according to TAI, to select corresponding MME；MBMS GW sends session updates request to MME
Message, session start request message include TAI and ECGI.
MME obtains session updates request message, and selects corresponding MCE according to ECGI；MME sends session updates to MCE
Request message, session updates request message include TAI and ECGI.
MCE obtains session updates request message, and selects corresponding eNB according to ECGI；MCE sends session updates to eNB
Request message.
ENB distributing radio resource after receiving session updates request message, and send session updates response to MCE and disappear
Breath.MCE sends session updates response message to MME, and MME sends session updates response message to MBMS GW, and MBMS GW is to BM-
SC sends session updates response message.
In other embodiments, first processing units 221 can also select carrying out MBMS bearing modification when institute according to TAI
The network element 202 for all MBMS to be selected, and by the required setting of network element 202 in the first parameter, wherein modification MBMS carrying is asked
Seeking message includes the first parameter and ECGI, and session updates request message includes the first parameter and ECGI.
The present invention also provides the methods of the selection network element of first embodiment, in the revealed communication system of first embodiment
It is described on the basis of 20.As shown in figure 4, the method for the revealed selection network element of the present embodiment includes:
S401: application server 201 obtains TAI and ECGI from user equipment 203；
S402: application server 201 inquires preset configuration information according to TAI, to select the network element 202 of MBMS；
S403: application server 201 and the network element 202 of selection carry out MBMS bearing activation, MBMS deleting load-bearing or MBMS
Bearing modification；
The network element 202 of S404:MBMS obtains TAI and ECGI from application server 201；
The network element 202 of S405:MBMS inquires preset configuration information according to TAI, to select the next-hop network element of MBMS
204；
The network element 202 of S406:MBMS and next-hop network element 204 conversate beginning, session stopping or session updates.
In S401, user equipment 203 reports the TAI and ECGI belonging to it to application server 201.
In S402, preset configuration information includes the corresponding relationship of the network element 202 of TAI and MBMS.Preferably, preset
Configuration information configures on application server 201.In other embodiments, those skilled in the art completely can will be pre-
If configuration information configure in other equipment, such as by preset configuration information configuration on a dns.
In S405, preset configuration information further includes the corresponding relationship of TAI Yu next-hop network element 204.Preferably, it presets
Configuration information configure on the network element 202 of MBMS.
The method of the revealed selection network element of the present embodiment is selected by the TAI and ECGI reported according to user equipment 203
The network element 202 of MBMS, and then the network element 202 of MBMS can be selected by TAI and ECGI.
The present invention also provides the methods of the selection network element of second embodiment, in the revealed communication system of second embodiment
On the basis of be described.As shown in figure 5, the method for the revealed selection network element of the present embodiment includes:
S501: user equipment 203 reports the TAI and ECGI belonging to it to application server 201；
S502: application server 201 sends activation MBMS bearing request message to the BM-SC of selection；
In S502, application server 201 inquires preset configuration information according to TAI, to select BM-SC.Activate MBMS
Bearing request message includes TAI and ECGI.
S503:BM-SC sends session start request message to MBMS GW；
In S503, BM-SC obtains TAI and ECGI from activation MBMS bearing request message, and preset according to TAI inquiry
Configuration information, to select MBMS GW.
S504:MBMS GW sends session start request message to MME；
In S504, MBMS GW obtains TAI and ECGI from session start request message, and matches according to TAI inquiry is preset
Confidence breath, to select MME.
S505:MME sends session start request message to MCE；
In S505, MME obtains TAI and ECGI from session start request message, and selects MCE according to ECGI.
S506:MCE sends session start request message to eNB；
In S506, MCE obtains TAI and ECGI from session start request message, and selects eNB according to ECGI.Wherein,
The session start request message that MCE is sent to eNB may include TAI and ECGI.
In S503-S505, session start request message includes TAI and ECGI.
S507:eNB distributing radio resource after receiving session start request message, and send session start to MCE and ring
Answer message；
S508:MCE sends session start response message to MME；
S509:MME sends session start response message to MBMS GW；
S510:MBMS GW sends session start response message to BM-SC；
S511:BM-SC sends activation MBMS bearing response message to application server 201.
The present invention also provides the methods of the selection network element of 3rd embodiment, in the revealed communication system of 3rd embodiment
On the basis of be described.As shown in fig. 6, the method for the revealed selection network element of the present embodiment includes:
S601: user equipment 203 reports the TAI and ECGI belonging to it to application server 201；
S602: application server 201 sends activation MBMS bearing request message, activation MBMS carrying to the BM-SC of selection
Request message includes the first parameter and ECGI；
In S602, required network element 202 is arranged according to network element 202 needed for TAI selection for application server 201
In the first parameter, the first parameter is preferably list of downstream nodes.Application server 201 is selected according to the first parameter
Select BM-SC.
S603:BM-SC sends session start request message to MBMS GW, and session start request message includes the first parameter
And ECGI；
In S603, BM-SC obtains the first parameter and ECGI from activation MBMS bearing request message, and according to the first parameter
Select MBMS GW.
S604:MBMS GW to MME send session start request message, session start request message include the first parameter and
ECGI；
In S604, MBMS GW obtains the first parameter and ECGI from session start request message, and is selected according to the first parameter
Select MME.
S605:MME sends session start request message to MCE, and session start request message includes the first parameter and ECGI；
In S605, MME obtains the first parameter and ECGI from session start request message, and selects MCE according to ECGI.
S606:MCE sends session start request message to eNB；
In S606, MCE obtains the first parameter and ECGI from session start request message, and selects eNB according to ECGI.
S607:eNB distributing radio resource after receiving session start request message, and send session start to MCE and ring
Answer message；
S608:MCE sends session start response message to MME；
S609:MME sends session start response message to MBMS GW；
S610:MBMS GW sends session start response message to BM-SC；
S611:BM-SC sends activation MBMS bearing response message to application server 201.
Relative to the method for the revealed selection network element of first embodiment, the present embodiment is by setting required network element 202
It sets in the first parameter, the network element 202 of MBMS can avoid the network element 202 of MBMS according to the first parameter selection next-hop network element 204
Next-hop network element 204 is selected by inquiring preset configuration information according to TAI.
The present invention also provides the methods of the selection network element of fourth embodiment, in the revealed communication system of fourth embodiment
On the basis of be described.As shown in fig. 7, the method for the revealed selection network element of the present embodiment includes:
S701: user equipment 203 reports the TAI and ECGI belonging to it to application server 201；
S702: application server 201 sends to the BM-SC of selection and deactivates MBMS bearing request message；
S703:BM-SC sends to application server 201 after obtaining deactivation MBMS bearing request message and deactivates MBMS
Bearing response message；
S704:BM-SC sends session to MBMS GW and stops request message；
S705:MBMS GW sends session to BM-SC after obtaining session and stopping request message and stops response message；
S706:MBMS GW sends session to MME and stops request message；
S707:MME sends session to MBMS GW after obtaining session and stopping request message and stops response message；
S708:MME sends session to MCE and stops request message；
S709:MCE sends session to MME after obtaining session and stopping request message and stops response message；
S710:MCE sends session to eNB and stops request message；
S711:eNB distributing radio resource after receiving session and stopping request message, and send session to MCE and stop ringing
Answer message.
In S702, application server 201 inquires preset configuration information according to TAI, to select BM-SC.It deactivates
MBMS bearing request message includes TAI and ECGI.
In S704, BM-SC obtains TAI and ECGI from MBMS bearing request message is deactivated, and is inquired and preset according to TAI
Configuration information, to select MBMS GW.
In S706, MBMS GW stops request message from session and obtains TAI and ECGI, and matches according to TAI inquiry is preset
Confidence breath, to select MME.
In S708, MME stops request message from session and obtains TAI and ECGI, and selects MCE according to ECGI.
In S710, MCE stops request message from session and obtains ECGI, to select eNB according to ECGI.Wherein, MCE to
It may include TAI and ECGI that the session that eNB is sent, which stops request message,.
In S704, S706 and S708, it includes TAI and ECGI that session, which stops request message,.
In other embodiments, application server 201 can also select to be wanted when carrying out MBMS deleting load-bearing according to TAI
The network element 202 of all MBMS of selection, and by the required setting of network element 202 in the first parameter, it is asked wherein deactivating MBMS carrying
Seeking message includes the first parameter and ECGI, and it includes the first parameter and ECGI that session, which stops request message,.
The present invention also provides the methods of the selection network element of the 5th embodiment, in the 5th revealed communication system of embodiment
On the basis of be described.As shown in figure 8, the method for the revealed selection network element of the present embodiment includes:
S801: user equipment 203 reports the TAI and ECGI belonging to it to application server 201；
S802: application server 201 sends modification MBMS bearing request message to the BM-SC of selection；
S803:BM-SC sends modification MBMS carrying to application server 201 after obtaining modification MBMS bearing request message
Response message；
S804:BM-SC sends session updates request message to MBMS GW；
S805:MBMS GW sends session updates request message to MME；
S806:MME sends session updates request message to MCE；
S807:MCE sends session updates request message to eNB；
S808:eNB distributing radio resource after receiving session updates request message, and send session updates to MCE and ring
Answer message；
S809:MCE sends session updates response message to MME；
S810:MME sends session updates response message to MBMS GW；
S811:MBMS GW sends session updates response message to BM-SC.
In S802, application server 201 inquires preset configuration information according to TAI, to select BM-SC.Modify MBMS
Bearing request message includes TAI and ECGI.
In S804, BM-SC obtains TAI and ECGI from modification MBMS bearing request message, and preset according to TAI inquiry
Configuration information, to select MBMS GW.
In S805, MBMS GW obtains TAI and ECGI from session updates request message, and matches according to TAI inquiry is preset
Confidence breath, to select MME.
In S806, MME obtains TAI and ECGI from session updates request message, and selects MCE according to ECGI.
In S807, MCE obtains ECGI from session updates request message, to select eNB according to ECGI.Wherein, MCE to
The session updates request message that eNB is sent may include TAI and ECGI.
In S804-806, session updates request message includes TAI and ECGI.
In other embodiments, application server 201 can also select to be wanted when carrying out MBMS bearing modification according to TAI
The network element 202 of all MBMS of selection, and by the required setting of network element 202 in the first parameter, wherein modification MBMS carrying request
Message includes the first parameter and ECGI, and session updates request message includes the first parameter and ECGI.
It is in contrast to the prior art, the present invention selects MBMS by the TAI and ECGI reported according to user equipment 203
Network element 202, and then the network element 202 that TAI and ECGI select MBMS can be passed through.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (24)
1. a kind of application server, which is characterized in that the application server includes the first Transmit-Receive Unit and first processing units,
First Transmit-Receive Unit obtains tracking area identification TAI and cell ID ECGI from user equipment；The first processing units root
Preset configuration information is inquired according to the TAI, selects the network element of multimedia broadcasting MBMS, the application server and the selection
Network element carry out MBMS bearing activation, MBMS deleting load-bearing or MBMS bearing modification.
2. application server according to claim 1, which is characterized in that the configuration information include the TAI with it is described
The corresponding relationship of the network element of MBMS.
3. application server according to claim 1 or 2, which is characterized in that the configuration information configuration is in the application
On server.
4. application server according to claim 1 or 2, which is characterized in that the selected network element is broadcast multi-broadcasting industry
Business center BM-SC.
5. application server according to claim 1 or 2, which is characterized in that the application server with it is selected
Network element carries out the MBMS bearing activation, the MBMS deleting load-bearing or the MBMS bearing modification
First Transmit-Receive Unit sends activation MBMS bearing request message, the activation MBMS carrying to the selected network element
Request message includes the TAI and the ECGI；
Alternatively, first Transmit-Receive Unit is sent to the selected network element deactivates MBMS bearing request message, it is described to deactivate
MBMS bearing request message living includes the TAI and the ECGI；
Alternatively, first Transmit-Receive Unit sends modification MBMS bearing request message, the modification to the selected network element
MBMS bearing request message includes the TAI and the ECGI.
6. application server according to claim 1 or 2, which is characterized in that the first processing units are also according to described
Network element needed for TAI selection, and by the required network element setting in the first parameter, the application server with it is selected
Network element carries out the MBMS bearing activation, the MBMS deleting load-bearing or the MBMS bearing modification
First Transmit-Receive Unit sends activation MBMS bearing request message, the activation MBMS carrying to the selected network element
Request message includes first parameter and the ECGI；
Alternatively, first Transmit-Receive Unit is sent to the selected network element deactivates MBMS bearing request message, it is described to deactivate
MBMS bearing request message living includes first parameter and the ECGI；
Alternatively, first Transmit-Receive Unit sends modification MBMS bearing request message, the modification to the selected network element
MBMS bearing request message includes first parameter and the ECGI.
7. a kind of method for selecting network element, which is characterized in that the described method includes:
Application server obtains TAI and ECGI from user equipment；
The application server inquires preset configuration information according to the TAI, selects the network element of MBMS；
The application server carries out MBMS bearing activation, MBMS deleting load-bearing or MBMS carrying with the selected network element and repairs
Change.
8. the method according to the description of claim 7 is characterized in that the application server is preset according to TAI inquiry
Configuration information includes:
The configuration information includes the corresponding relationship of the network element of the TAI and the MBMS.
9. method according to claim 7 or 8, which is characterized in that the configuration information configuration is in the application server
On.
10. method according to claim 7 or 8, which is characterized in that the selected network element is BM-SC.
11. method according to claim 7 or 8, which is characterized in that described to carry out the MBMS with the selected network element
Bearing activation, the MBMS deleting load-bearing or the MBMS bearing modification include:
The application server sends activation MBMS bearing request message to the selected network element, and the activation MBMS carrying is asked
Seeking message includes the TAI and the ECGI；
Alternatively, the application server is sent to the selected network element deactivates MBMS bearing request message, the deactivation
MBMS bearing request message includes the TAI and the ECGI；
Alternatively, the application server sends modification MBMS bearing request message, the modification MBMS to the selected network element
Bearing request message includes the TAI and the ECGI.
12. method according to claim 7 or 8, which is characterized in that the application server is selected also according to the TAI
Required network element, and by the required network element setting in the first parameter, the described and selected network element carries out the MBMS
Bearing activation, the MBMS deleting load-bearing or the MBMS bearing modification include:
The application server sends activation MBMS bearing request message to the selected network element, and the activation MBMS carrying is asked
Seeking message includes first parameter and the ECGI；
Alternatively, the application server is sent to the selected network element deactivates MBMS bearing request message, the deactivation
MBMS bearing request message includes first parameter and the ECGI；
Alternatively, the application server sends modification MBMS bearing request message, the modification MBMS to the selected network element
Bearing request message includes first parameter and the ECGI.
13. a kind of network element, which is characterized in that the network element includes the second Transmit-Receive Unit and the second processing unit, and described second receives
Bill member obtains TAI and ECGI from application server, and described the second processing unit matches confidence according to TAI inquiry is preset
Breath, to select the next-hop network element of MBMS, the network element and the next-hop network element conversate beginning, session stopping or session
It updates.
14. network element according to claim 13, which is characterized in that the configuration information includes the TAI and the MBMS
Network element corresponding relationship.
15. network element described in 3 or 14 according to claim 1, which is characterized in that the configuration information configuration is on the network element.
16. network element described in 3 or 14 according to claim 1, which is characterized in that when the network element is BM-SC, the BM-SC
The configuration information, which is inquired, according to the TAI selects MBMS gateway MBMS GW；It is described when the network element is the MBMS GW
MBMS GW inquires the configuration information according to the TAI and selects mobile management network element MME.
17. network element described in 3 or 14 according to claim 1, which is characterized in that the network element and the next-hop network element carry out institute
State session start, the session stops or the session updates include:
Second Transmit-Receive Unit obtains activation MBMS bearing request message from the application server, and to the next-hop net
Member sends session start request message, and the activation MBMS bearing request message includes the TAI and the ECGI, the session
Starting request message includes the TAI and the ECGI；
Alternatively, second Transmit-Receive Unit is obtained from the application server deactivates MBMS bearing request message, and to described
Next-hop network element sends session and stops request message, and the deactivation MBMS bearing request message includes the TAI and described
ECGI, it includes the TAI and the ECGI that the session, which stops request message,；
Alternatively, second Transmit-Receive Unit obtains modification MBMS bearing request message from the application server, and under described
One, which jumps network element, sends session updates request message, and the modification MBMS bearing request message includes the TAI and the ECGI, institute
Stating session updates request message includes the TAI and the ECGI.
18. network element described in 3 or 14 according to claim 1, which is characterized in that second Transmit-Receive Unit also takes from the application
Business device obtains the first parameter, and first parameter includes the application server according to network element needed for TAI selection, described
Conversate beginning, session stopping or session updates of network element and the next-hop network element include:
Second Transmit-Receive Unit obtains activation MBMS bearing request message from the application server, and to the next-hop net
Member sends session start request message, and the activation MBMS bearing request message includes first parameter and the ECGI, institute
Stating session start request message includes first parameter and the ECGI；
Alternatively, second Transmit-Receive Unit is obtained from the application server deactivates MBMS bearing request message, and to described
Next-hop network element sends session and stops request message, and the deactivation MBMS bearing request message includes first parameter and institute
ECGI is stated, it includes first parameter and the ECGI that the session, which stops request message,；
Alternatively, second Transmit-Receive Unit obtains modification MBMS bearing request message from the application server, and under described
One, which jumps network element, sends session updates request message, and the modification MBMS bearing request message includes first parameter and described
ECGI, the session updates request message include first parameter and the ECGI.
19. a kind of method for selecting network element, which is characterized in that the described method includes:
Network element obtains TAI and ECGI from application server；
The network element inquires preset configuration information according to the TAI, to select the next-hop network element of MBMS；
The network element and the next-hop network element conversate beginning, session stopping or session updates.
20. according to the method for claim 19, which is characterized in that the configuration information includes the TAI and the MBMS
Network element corresponding relationship.
21. method described in 9 or 20 according to claim 1, which is characterized in that the configuration information configuration is on the network element.
22. method described in 9 or 20 according to claim 1, when the network element is BM-SC, the BM-SC is according to the TAI
Inquire the configuration information selection MBMS GW；When the network element is the MBMS GW, the MBMS GW is according to the TAI
Inquire the configuration information selection MME.
23. method described in 9 or 20 according to claim 1, which is characterized in that the network element and the next-hop network element carry out institute
State session start, the session stops or the session updates include:
The network element obtains activation MBMS bearing request message from the application server, and sends meeting to the next-hop network element
Words start request message, and the activation MBMS bearing request message includes the TAI and the ECGI, the session start request
Message includes the TAI and the ECGI；
Alternatively, the network element is obtained from the application server deactivates MBMS bearing request message, and to the next-hop net
Member sends session and stops request message, and the deactivation MBMS bearing request message includes the TAI and the ECGI, the meeting
It includes the TAI and the ECGI that words, which stop request message,；
Alternatively, the network element obtains modification MBMS bearing request message from the application server, and to the next-hop network element
Session updates request message is sent, the modification MBMS bearing request message includes the TAI and the ECGI, and the session is more
New request message includes the TAI and the ECGI.
24. method described in 9 or 20 according to claim 1, which is characterized in that the network element is also obtained from the application server
First parameter, first parameter include the application server according to network element, the network element and institute needed for TAI selection
Stating conversate beginning, session stopping and session updates of next-hop network element includes:
The network element obtains activation MBMS bearing request message from the application server, and sends meeting to the next-hop network element
Words start request message, and the activation MBMS bearing request message includes first parameter and the ECGI, and the session is opened
Beginning request message includes first parameter and the ECGI；
Alternatively, the network element is obtained from the application server deactivates MBMS bearing request message, and to the next-hop net
Member sends session and stops request message, and the deactivation MBMS bearing request message includes first parameter and the ECGI,
It includes first parameter and the ECGI that the session, which stops request message,；
Alternatively, the network element obtains modification MBMS bearing request message from the application server, and to the next-hop network element
Session updates request message is sent, the modification MBMS bearing request message includes first parameter and the ECGI, described
Session updates request message includes first parameter and the ECGI.
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| CN101959133A (en) * | 2009-07-15 | 2011-01-26 | 华为技术有限公司 | M2M user equipment as well as operation control method and system thereof |
| WO2011035454A1 (en) * | 2009-09-23 | 2011-03-31 | 上海贝尔股份有限公司 | Method and device for providing multicast service in a communication system |
| CN103379447A (en) * | 2012-04-27 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for generating cluster group calling service area |
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| CN101959133A (en) * | 2009-07-15 | 2011-01-26 | 华为技术有限公司 | M2M user equipment as well as operation control method and system thereof |
| WO2011035454A1 (en) * | 2009-09-23 | 2011-03-31 | 上海贝尔股份有限公司 | Method and device for providing multicast service in a communication system |
| CN103379447A (en) * | 2012-04-27 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for generating cluster group calling service area |
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