CN107005816A

CN107005816A - A kind of processing method and processing device of group service

Info

Publication number: CN107005816A
Application number: CN201580067432.7A
Authority: CN
Inventors: 李志明; 曹龙雨; 朱奋勤
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-01-13
Filing date: 2015-01-13
Publication date: 2017-08-01
Also published as: WO2016112496A1

Abstract

The present invention provides a kind of processing method and processing device of group service, and methods described includes：The ability that cluster communication service application server GCS AS receive the UE that user equipment (UE) is sent is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；The GCS AS are indicated and the positional information according to the ability, determine activating multimedia broadcast/multicast service MBMS carrying services；The GCS AS send request message to BroadCast MultiCast Service center BM SC, and the request message is used to ask the BM SC to set up MBMS carryings for the UE.

Description

A kind of processing method and processing device of group service

Technical field

The present invention relates to communication technical field, more particularly to a kind of processing method and processing device of group service.

Background technology

Trunked communication system is that there is provided unidirectional delivery value for a kind of specific communication system with dispatching, it is allowed to which user equipment (UE) (User Equipment) is communicated with same or multiple other users.As mobile service becomes increasingly abundant, text, picture, video etc. all turn into one of cluster communication content, and traditional trunked communication system can not meet the demand of communication.Also, with the development of Long Term Evolution LTE (Long Term Evolution) technology, realize that abundant group service is possibly realized in public LTE network.Cluster communication in LTE can carry out information transfer by the way of unicast and multicast.Wherein the multicast transmission mode of cluster communication, information transfer is carried out using existing multimedia broadcast/multi broadcast business MBMS (Multimedia Broadcast/Multicast Service) technology.

In existing MBMS technologies, the MBMS areas of coverage are planned as multiple MBMS areas, each MBMS area deploys MBMS network elements, MBMS carryings are established between MBMS network elements, cluster communication applied business server GCS AS (Group Communication Service Application Server) can be carried by MBMS sends data to UE, wherein, UMTS Terrestrial radio access network E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) cellular global identity ECGI (E-UTRAN Cell Global Identifier) of evolution, the as evolution wireless access network Cell Global Identity of UE regions, positional information for identifying UE.MBMS area is static configuration, i.e., different MBMSs are played in which MBMS area, are all pre-configured with.The service area of different MBMSs may be different, it is also possible to identical.Therefore, if UE wants to receive specific MBMS, UE regions will be planned in the MBMS area of MBMS in advance.

However, because UE has mobility, specific MBMS industry is not planned so there is UE and be moved to In the region of business, cause UE can not receive the situation of specific MBMS.Because the region where UE, which is not planned as playing in the region where specific MBMS, UE, does not have MBMS carryings, GCS AS can not initiate corresponding MBMS bearing activations.

To sum up, the defect of existing MBMS technologies presence is：GCS AS can not dynamically set up MBMS carryings according to UE actual conditions.

The content of the invention

The embodiment of the present invention provides a kind of processing method and processing device of group service, for the actual conditions according to UE, dynamically sets up MBMS carryings.

First aspect of the embodiment of the present invention provides a kind of processing method of group service, including：

The ability that cluster communication service application server GCS AS receive the UE that user equipment (UE) is sent is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；

The GCS AS are indicated and the positional information according to the ability, determine activating multimedia broadcast/multicast service MBMS carrying services；

The GCS AS send request message to broadcast-multicast service center BM-SC, and the request message is used to ask the BM-SC to set up MBMS carryings for the UE.

With reference in a first aspect, in the first possible implementation of first aspect, the GCS AS are indicated and the positional information according to the ability, it is determined that activation MBMS carrying services, including：

The GCS AS are indicated and the positional information according to the ability, determine that the UE supports multicast transmission, and reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, it is determined that activation MBMS carrying services.

With reference to the first possible implementation of first aspect or first aspect, in second of possible implementation of first aspect, methods described also includes：

The GCS AS determine the generating mode of safe key, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted, the generating mode of the safe key includes generating safe key by the GCS AS, or generates safe key by the BM-SC.

With reference to second of possible implementation of first aspect, in the third possible implementation of first aspect, when it is to generate safe key by the GCS AS that the GCS AS, which determine the generating mode of safe key, methods described also includes：

The GCS AS generate safe key；

The safe key generated by the GCS AS is included in the request message that then the GCS AS are sent to BM-SC.

With reference to second of possible implementation of first aspect, in the 4th kind of possible implementation of first aspect, when it is to generate safe key by the BM-SC that the GCS AS, which determine the generating mode of safe key, methods described also includes：

The GCS AS are received in the response message that the BM-SC is sent, the response message comprising the safe key generated by the BM-SC.

With reference to the first possible implementation of first aspect or first aspect, in the 5th kind of possible implementation of first aspect, the request message includes the ECGI of the UE regions, so that the BM-SC determines that the corresponding MBMS area in the UE regions identifies MBMS SAI and according to MBMS SAI selection MBMS network elements according to the ECGI of the UE regions, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

With reference to the first possible implementation of first aspect, in the 6th kind of possible implementation of first aspect, the GCS AS send request message to BM-SC, including：

The GCS AS determine the corresponding MBMS SAI in the UE regions according to the ECGI of the UE regions；

The GCS AS send the request message for including the corresponding MBMS SAI in the UE regions to the BM-SC.

With reference to the first possible implementation of first aspect or first aspect, in the 7th kind of possible implementation of first aspect, the GCS AS send request message to BM-SC, are specially：

The GCS AS send the request message comprising the tracking area identification TAI of the UE regions and the ECGI of the UE regions to the BM-SC, so that the BM-SC selects MBMS network elements according to the TAI, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

With reference to the 6th kind of possible implementation of the first possible implementation or first aspect of first aspect, first aspect, in the 8th kind of possible implementation of first aspect, the ability that the GCS AS receive the UE that UE is sent is indicated and positional information, is specially：

The ability that the GCS AS receive the UE that the UE is reported by the GC1 interface signalings of application layer is indicated and positional information；Or

The ability that the GCS AS receive the UE that the UE is reported by Session initiation Protocol SIP flows is indicated and positional information；Or

The GCS AS are interacted by Rx interface with strategy and billing function entity PCRF, obtain the positional information of the UE.

Second aspect of the embodiment of the present invention provides a kind of processing method of group service, including：

Broadcast-multicast service center BM-SC receives the request message that cluster communication service application server GCS AS are sent, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE；

The BM-SC is that MBMS service transmission distributes MBMS system resources according to the request message；

The BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE.

With reference to second aspect, in the first possible implementation of second aspect, the evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC determines the corresponding MBMS area mark MBMS SAI in the UE regions according to the ECGI included in the request message；

The BM-SC selects MBMS network elements according to the MBMS SAI, and is that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.

With reference to second aspect, in second of possible implementation of second aspect, the request message In include the corresponding MBMS SAI in the UE regions；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

With reference to second aspect, in the third possible implementation of second aspect, the evolution wireless access network Cell Global Identity ECGI of the tracking area identification TAI and UE regions comprising UE regions in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC obtains configuration information according to the TAI included in the request message, and the configuration information includes the corresponding relation between TAI the and MBMS network elements；

The BM-SC selects MBMS network elements according to the TAI and the configuration information, and is that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.

With reference to second of possible implementation of the first possible implementation or second aspect of second aspect, second aspect, in the 4th kind of possible implementation of second aspect, the request message includes safe key, and the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

With reference to second of possible implementation of the first possible implementation or second aspect of second aspect, second aspect, in the 5th kind of possible implementation of second aspect, after the BM-SC receives the request message that GCS AS are sent, methods described also includes：

The BM-SC is sent to the GCS AS includes safe key in response message, the response message, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

The third aspect of the embodiment of the present invention provides a kind of processing method of group service, including：

User equipment (UE) reports the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；Wherein, the ability indicates that sign is described UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.

With reference to the third aspect, in the first possible implementation of the third aspect, the UE reports the ability of the UE to indicate and positional information to GCS AS, including：

The UE reports the ability of the UE to indicate and the positional information by the GC1 interface signalings of application layer to the GCS AS；Or

The UE reports the ability of the UE to indicate and positional information by Session initiation Protocol SIP flows to the GCS AS.

With reference to the first possible implementation of the third aspect or the third aspect, in second of possible implementation of the third aspect, the positional information also includes the tracking area identification TAI of the UE regions.

Fourth aspect of the embodiment of the present invention provides a kind of cluster communication service application server GCS AS, including：

First receiving unit, the ability of the UE for receiving user equipment (UE) transmission is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；

Processing unit, for being indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；

Transmitting element, for sending request message to broadcast-multicast service center BM-SC, the request message is used to ask the BM-SC to set up MBMS carryings for the UE.

With reference to fourth aspect, in the first possible implementation of fourth aspect, the processing unit specifically for：

Indicated according to the ability and the positional information, determine that the UE supports multicast transmission, and predetermined threshold value is reached with the quantity with the ECGI identicals UE of the UE regions, it is determined that activation MBMS carrying services.

With reference to the first possible implementation of fourth aspect or fourth aspect, in second of possible implementation of fourth aspect, the processing unit is additionally operable to：

The generating mode of safe key is determined, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted, the generating mode of the safe key includes generating safe key by the GCS AS, or generates safe key by the BM-SC.

With reference to second of possible implementation of fourth aspect, in the third possible implementation of fourth aspect, the GCS AS also include：

Generation unit, for determining that the generating mode of safe key is when generating safe key by the GCS AS, to generate safe key as the GCS AS；

The transmitting element specifically for：Sent to BM-SC comprising the request message by the GCS AS safe keys generated.

With reference to second of possible implementation of fourth aspect, in the 4th kind of possible implementation of fourth aspect, the GCS AS also include：

Second receiving unit, the safe key generated by the BM-SC is included for receiving in the response message that the BM-SC is sent, the response message.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the 5th kind of possible implementation of fourth aspect, the request message includes the ECGI of the UE regions, so that the BM-SC determines that the corresponding MBMS area in the UE regions identifies MBMS SAI and according to MBMS SAI selection MBMS network elements according to the ECGI of the UE regions, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

With reference to the first possible implementation of fourth aspect, in the 6th kind of possible implementation of fourth aspect, the transmitting element specifically for：

According to the ECGI of the UE regions, the corresponding MBMS SAI in the UE regions are determined；The request message for including the corresponding MBMS SAI in the UE regions is sent to the BM-SC.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the 7th kind of possible implementation of fourth aspect, the transmitting element specifically for：

The request message comprising the tracking area identification TAI of the UE regions and the ECGI of the UE regions is sent to the BM-SC, so that the BM-SC selects MBMS according to the TAI Network element, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

With reference to the 6th kind of possible implementation of the first possible implementation or fourth aspect of fourth aspect, fourth aspect, in the 8th kind of possible implementation of fourth aspect, first receiving unit specifically for：

The ability for receiving the UE that the UE is reported by the GC1 interface signalings of application layer is indicated and positional information；Or

The ability for receiving the UE that the UE is reported by Session initiation Protocol SIP flows is indicated and positional information；Or

Interacted by Rx interface with strategy and billing function entity PCRF, obtain the positional information of the UE.

The aspect of the embodiment of the present invention the 5th provides a kind of broadcast-multicast service center BM-SC, including：

Receiving unit, request message for receiving cluster communication service application server GCS AS transmissions, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE；

Allocation unit, for being that MBMS service transmission distributes MBMS system resources according to the request message；

Unit is set up, MBMS carryings are set up for the UE for the MBMS system resources using the distribution.

With reference to the 5th aspect, in the first possible implementation of the 5th aspect, the evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the BM-SC also includes：

Map unit, for according to the ECGI included in the request message, determining the corresponding MBMS area mark MBMS SAI in the UE regions；

With reference to the 5th aspect, in second of possible implementation of the 5th aspect, the unit of setting up is used for：MBMS network elements are selected according to the MBMS SAI, and utilize the MBMS systems of the distribution System resource is that the UE sets up MBMS carryings between the MBMS network elements selected.

The corresponding MBMS SAI in the UE regions are included in the request message；Then it is described set up unit specifically for：

MBMS network elements are selected according to the MBMS SAI, and are that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.

With reference to the 5th aspect, in the third possible implementation of the 5th aspect, the evolution wireless access network Cell Global Identity ECGI of the tracking area identification TAI and UE regions comprising UE regions in the request message；Then the BM-SC also includes：

Obtaining unit, for obtaining configuration information according to the TAI included in the request message, the configuration information includes the corresponding relation between TAI the and MBMS network elements；

The unit of setting up is used for：The MBMS carryings are set up between the MBMS network elements selected according to the TAI and configuration information selection MBMS network elements, and using the MBMS system resources of the distribution.

With reference to the 5th aspect, the third possible implementation of the first possible embodiment of the 5th aspect to the 5th aspect, in the 4th kind of possible implementation of the 5th aspect, the request message includes safe key, and the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

With reference to the 5th aspect, the third possible implementation of the first possible embodiment of the 5th aspect to the 5th aspect, in the 5th kind of possible implementation of the 5th aspect, the BM-SC also includes：

Transmitting element, after receiving the request message that GCS AS are sent in the BM-SC, sent to the GCS AS and safe key is included in response message, the response message, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

The aspect of the embodiment of the present invention the 6th provides a kind of user equipment (UE), including：

Processing unit, for reporting the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；Wherein, the ability indicates that sign is described UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.

With reference to the 6th aspect, the 6th aspect the first possible implementation in, the processing unit specifically for：

The ability of the UE is reported to indicate and the positional information to the GCS AS by the GC1 interface signalings of application layer；Or

The ability of the UE is reported to indicate and positional information to the GCS AS by Session initiation Protocol SIP flows.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in second of possible implementation of the 6th aspect, the positional information also includes the tracking area identification TAI of the UE regions.

The one or more technical schemes provided in the embodiment of the present invention, have at least the following technical effects or advantages：

In the embodiment of the present invention, cluster communication service application server GCS AS receive the abilities of the UE of user equipment (UE) transmission in itself and indicated and positional information, then indicated and the positional information according to the ability, request message is sent to broadcast-multicast service center BM-SC after determining activating multimedia broadcast/multicast service MBMS carrying services most, request message is used to ask BM-SC to set up MBMS carryings for UE.

Therefore, in embodiments of the present invention, GCS AS can be according to the instruction of the ability of user equipment (UE) and positional information, dynamic activation MBMS carryings, and then is the MBMS carrying services of the specific location area where UE activation UE, it is ensured that provide MBMS for UE.

Brief description of the drawings

Fig. 1 is a kind of possible communication system architecture of the processing method of the group service suitable for the embodiment of the present invention；

Fig. 2 is the flow chart of the processing method of the group service of GCS AS sides in the embodiment of the present invention；

Fig. 3 is the flow chart of the processing method of the group service of BM-SC sides in the embodiment of the present invention；

Fig. 4 is carries out MBMS carrying foundation in the embodiment of the present invention during, the friendship between each network element Mutually scheme；

Fig. 5 is carries out MBMS carrying foundation in the embodiment of the present invention during, another interaction figure between each network element；

Fig. 6 is carries out MBMS carrying foundation in the embodiment of the present invention during, the another interaction figure between each network element；

During Fig. 7 is generation safe key in the embodiment of the present invention, the interaction figure between each network element；

Fig. 8 is the flow chart of the processing method of the group service of UE sides in the embodiment of the present invention；

The functional block diagram that Fig. 9 is GCS AS in the embodiment of the present invention；

The hardware module figure that Figure 10 is GCS AS in the embodiment of the present invention；

The functional block diagram that Figure 11 is BM-SC in the embodiment of the present invention；

The hardware module figure that Figure 12 is BM-SC in the embodiment of the present invention；

The functional block diagram that Figure 13 is UE in the embodiment of the present invention；

The hardware module figure that Figure 14 is UE in the embodiment of the present invention.

Embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.

The terms "and/or", only a kind of incidence relation for describing affiliated partner, represents there may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, these three situations of individualism B.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.

Embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

The present embodiment provides a kind of processing method of group service, refer to shown in Fig. 1, and Fig. 1 is a kind of possible communication system architecture of the processing method of the group service suitable for the embodiment of the present invention, and the communication system architecture includes：User equipment (UE) (User Equipment), for receiving activating multimedia broadcast/multicast service MBMS (multimedia broadcast/multi broadcast business) services, UE has ability instruction, ability indicates to characterize whether UE supports multicast transmission, UE also has positional information, positional information includes the evolution wireless access network Cell Global Identity ECGI of UE regions, and positional information can also include the tracking area identification TAI (Tracking Area Identity) of UE regions；ENB is mainly used in the foundation of radio bearer, release, the function such as broadcast of user data；Multiple cell/multicast coordination entity MCE (Multi-cell/multicast Coordination Entity), it is mainly used in the management and running of industry Radio Resource, select suitable resource parameters such as (including) frequency, times, carry out multimedia broadcast multicast SFN MBSFN (Multimedia Broadcast multicast service Single Frequency Network) transmission, so as to reasonably, efficiently use resource；MME mobile management network elements (Mobility Management Entity) are primarily involved in the functions such as MBMS session managements；Broadcast-multicast service center BM-SC (Broadcast-Multicast Service Centre) BM-SC belongs to operation layer network element, it is the entrance of content provider, the convergence and transmission of offer business, the mandate (generation and transmission of key) of user, the foundation of MBMS carrying and initiation, initiation of session control etc., while can also realize synchronous between BM-SC and eNB；MBMS gateway MBMS GW (MBMS Getway), MBMS GW, as a node between BM-SC and eNB, are the access gatewaies of network, are responsible for the related message of the processes user data signaling related to session；Cluster communication applied business server GCS AS (Group Communication Service Application Server), GCS AS are third-party application servers, the pipe of main responsible group member Reason, activates the functions such as MBMS initiation；Strategy and billing function entity PCRF (Policy and charge rule function) are mainly responsible for the functions such as charging policy generation.

As shown in figure 1, UE is connected with eNB by Uu interfaces, UE is connected with GCS AS by CG1 interfaces；ENB is connected with MCE by M2 interfaces, and eNB is connected with MBMS GW by M1 interfaces, and eNB is connected with MME by S1-MME interface；MCE is connected with MME by M3 interfaces；MME is connected with MBMS GW by Sm interfaces；MBMS GW are connected by SGmb interfaces and SGimb interfaces；BM-SC is connected by MB2-C and MB2-U with GCS AS；GCS AS are connected by Rx interface with PCRF.

Following elder generation from GCS AS sides introduce the embodiment of the present invention in group service processing method, refer to Fig. 2, Fig. 2 is the flow chart of the processing method of the group service of GCS AS sides in the embodiment of the present invention, this method includes：

Step 101：The ability that cluster communication service application server GCS AS receive the UE that user equipment (UE) is sent is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；

Step 102：The GCS AS are indicated and the positional information according to the ability, determine activating multimedia broadcast/multicast service MBMS carrying services；

Step 103：The GCS AS send request message to broadcast-multicast service center BM-SC, and the request message is used to ask the BM-SC to set up MBMS carryings for the UE.

In the embodiment of the present invention, UE ability indicates that characterizing UE supports multicast transmission, and UE evolution wireless access network Cell Global Identity ECGI, UE of the positional information comprising UE regions positional information can also include the tracking area identification TAI of UE regions.Wherein, ECGI identify UE where position area, namely after BM-SC sets up MBMS sessions MBMS service area.ECGI is additionally operable to the ECGI selection eNB for instructing MCE to be included in being asked according to session start, then sends session start request to the eNB selected, specifically refer to the related explanation of FIG. 6 below.

In the embodiment of the present invention, GCS AS receive ability instruction and the positional information of user equipment (UE) in step 101, including：

Specifically, GCS AS, which receive UE ability instruction and positional information, following four implementation：

The first implementation is：UE reports UE itself ability to indicate and positional information by the GC1 interface signalings of application layer to GCS AS, and GCS receives ability instruction and the positional information that UE is reported.

Second of implementation be：When UE registers group, SIP (Session Initiation Protocol) flows are assisted to report the ability of itself to indicate and positional information to GCS AS by session setup, GCS receives ability instruction and the positional information that UE is reported.

During the GCS AS abilities for obtaining UE by the first above-mentioned implementation and second of implementation indicate with positional information, UE only may report UE itself ability to indicate to GCS AS, and UE itself positional information is not reported to GCS AS.In this case, the ability that GCS AS can receive UE by the third implementation as described below and the 4th kind of implementation is indicated and positional information：

The third implementation is：UE reports UE itself ability to indicate by the GC1 interfaces of application layer to GCS AS, and GCS receives the ability instruction that UE is reported, and GCS AS are interacted by Rx interface with PCRF, obtain UE positional information.

4th kind of implementation：When UE registers group, SIP (Session Initiation Protocol) flow is assisted to report the ability of itself to indicate to GCS AS by session setup, GCS receives the ability instruction that UE is reported, and GCS AS are interacted by Rx interface with PCRF, obtain UE positional information.

In execution of step 101, the ability that GCS AS receive UE indicates that, with after positional information, step 102 and step 103 can be performed.Wherein, step 102 is specially during implementing：

The GCS AS are indicated and the positional information according to the ability, determine that the UE supports multicast transmission, and reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, Then determine activation MBMS carrying services.

Specifically, the ability that GCS AS receive multiple UE is indicated and positional information, then any of multiple UE are supported the ECGI of UE regions of multicast transmission (for convenience of description, the ECGI of the UE regions of any one support multicast transmission is referred to as the first ECGI) made comparisons with the UE of other support multicast transmissions ECGI, judge that other support that there is the quantity with the first ECGI identicals UE whether to reach predetermined threshold value in the UE of multicast transmission, if it is judged that being yes, then determine activation MBMS carrying services, request message is sent to BM-SC, BM-SC is that the UE with the first ECGI sets up MBMS carryings according to the request message received.Generally, predetermined threshold value can be set according to the actual utilization ratio of network, and such as predetermined threshold value can be 8.

For example, GCS AS receive UE1, UE2, UE3, this 4 UE of UE4 ability instruction and positional information, wherein, UE1, UE2, UE3 and UE4 ability indicates to show UE1, UE2, UE3 and UE4 supports multicast transmission, UE1, UE2, UE3 and UE4 positional information shows UE1, UE2, UE3 and UE4 ECGI is respectively 1, 1, 1, 2, then GCS AS support UE such as the ECGI of UE1 regions of multicast transmission to support the UE ECGI of multicast transmissions to make comparisons with other any of 4 UE, be also by UE1 ECGI and UE2, UE3 and UE4 ECGI makes comparisons, and judges UE2, have whether the quantity with UE1 ECGI identicals UE reaches predetermined threshold value in UE3 and UE4, because UE1 ECGI is 1, UE2, UE3 and UE4 ECGI is respectively 1, 1, 2, so being UE2 and UE3 with UE1 ECGI identicals UE, quantity is 2, it is assumed that predetermined threshold value is 2, then reaches predetermined threshold value, then GCS AS determine activation MBMS carrying services, request message is sent to BM-SC, BM-SC is UE1 according to the request message received, UE2 and UE3 set up MBMS carryings.

As another example：Any of 4 UE are supported the UE such as ECGI of UE4 regions of multicast transmission to be made comparisons with the UE of other support multicast transmissions ECGI by GCS AS, also UE4 ECGI is made comparisons with UE2, UE3 and UE1 ECGI, judge that there is the quantity with UE4 ECGI identicals UE whether to reach predetermined threshold value in UE2, UE3 and UE1, because UE4 ECGI is 2, UE2, UE3 and UE1 ECGI are respectively 1,1,1, so in the absence of the ECGI identicals UE with UE4, quantity is 0, assuming that predetermined threshold value is 2, predetermined threshold value is then not up to, then GCS AS will not activate MBMS Carrying service, will not also send request message to BM-SC, and BM-SC will not be that UE4 sets up MBMS carryings according to the request message received.

In the embodiment of the present invention, the content that GCS AS are included to the BM-SC request messages sent can be different.The ECGI of the UE regions can be included in request message, either comprising by ECGI and the tracking area identification TAI of the UE region of the GCS AS to the MBMS SAI of the ECGI progress mapping generations of the UE regions or comprising the UE regions.

In the embodiment of the present invention, the content included in the request message sent according to GCS AS to BM-SC, GCS AS send request message to BM-SC, specifically there is following three kinds of embodiments：

The first embodiment is：The GCS AS send the request message of the ECGI comprising the UE regions to the BM-SC, the request message includes the ECGI of the UE regions, so that the BM-SC determines that the corresponding MBMS area in the UE regions identifies MBMS SAI and according to MBMS SAI selection MBMS network elements according to the ECGI of the UE regions, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

Second of embodiment be：The GCS AS determine the corresponding MBMS SAI in the UE regions according to the ECGI of the UE regions；

The third embodiment is：The GCS AS send the request message comprising the tracking area identification TAI of the UE regions and the ECGI of the UE regions to the BM-SC, so that the BM-SC selects MBMS network elements according to the TAI, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

Specifically, GCS AS are after UE ability instruction and positional information is received, due to including the ECGI of UE regions in positional information, so GCS AS directly can send request message with without any processing to BM-SC, UE ECGI is included in request message, BM-SC is received after ECGI, and ECGI is mapped as into SAI, and BM-SC is received after request message, SAI selection MBMS network elements in request message, are that UE sets up MBMS carryings using MBMS network elements.How specific BM-SC selects MBMS network elements according to SAI, and setting up MBMS carryings using MBMS network elements for UE is Prior art, is just repeated no more herein.

Or GCS AS are after UE ability instruction and positional information is received, due to including the ECGI of UE regions in positional information, so ECGI can be mapped as SAI by GCS AS, then request message is sent to BM-SC, the MBMS SAI for UE ECGI map generation by GCS AS are included in request message, BM-SC is received after request message, the SAI selection MBMS network elements in request message, is that UE sets up MBMS carryings using MBMS network elements.How specific BM-SC selects MBMS network elements according to SAI, and it is prior art to set up MBMS carryings using MBMS network elements for UE, is just repeated no more herein.

Or GCS AS are after UE ability instruction and positional information is received, due to removing the ECGI for including UE regions in positional information, also include the tracking area identification TAI of UE regions, so GCS AS can directly send the ECGI and TAI for including UE in request message, request message with without any processing to BM-SC, BM-SC is received after ECGI and TAI, MBMS network elements are selected according to TAI, eNB is selected according to ECGI, are that UE sets up MBMS carryings using MBMS network elements.How specific BM-SC selects MBMS network elements according to TAI, eNB is selected according to ECGI, it is that UE sets up MBMS carryings using MBMS network elements, refer to the explanation for the processing method that group service provided in an embodiment of the present invention is hereafter introduced from BM-SC sides, wouldn't describe in detail herein.

In the embodiment of the present invention, GCS AS can also carry out following steps：

When it is to generate safe key by the GCS AS that the GCS AS, which determine the generating mode of safe key, methods described also includes：

The GCS AS generate safe key；

When it is to generate safe key by the BM-SC that the GCS AS, which determine the generating mode of safe key, methods described also includes：

Wherein, GCS AS determine it is unrestricted at the time of the generating mode of safe key, can be indicated in GCS AS UE the abilities that receive UE transmissions in itself and positional information after, can also be after GCS AS send request message to BM-SC.

Specifically, because BM-SC is after MBMS carryings are set up, it can be carried out data transmission between GCS AS and UE by the MBMS carryings of foundation, in view of the security of data transfer, need to use safe key that the data transmitted between GCS AS and UE are encrypted, wherein the particular content of safe key can be：Business key label MSK ID (MBMS Service Key Identifier), MBMS Service Key MSK (MBMS Service Key) and the key term of validity (key validation) etc..The generating mode of specific safe key is determined by GCS AS.

Generally, GCS AS determine to generate safe key by GCS AS according to the demand for security of the data to transmitting between GCS AS and UE, or generate safe key by BM-SC.For example when demand for security is not high, safe key can be generated by GCS AS；When demand for security is high, safe key can be generated by BM-SC because GCS AS be third-party application server for user, GCS AS are incredible, and BM-SC is the functional network element of carrier network, using the teaching of the invention it is possible to provide believable safeguard protection.

When GCS AS determine to generate safe key by GCS AS, GCS AS can generate safe key before request message is sent to BM-SC, then be sent to BM-SC comprising the request message by the GCS AS safe keys generated.BM-SC is after request message is received, by being parsed to request message, can obtain safe key.

When GCS AS determine to generate safe key by BM-SC, GCS AS directly send request message to BM-SC, BM-SC is after request message is received, MBMS system resources are distributed according to the request message received, select MBMS network elements, MBMS carryings are set up between MBMS network elements, due to there is no safe key in request message, then BM-SC generates safe key, then BM-SC is after MBMS carryings are successfully established, response message is sent to GCS AS, in the response message comprising the safe key generated by BM-SC.GCS AS after receiving the response message, by being parsed to response message, can obtain safe key.

Next from BM-SC sides introduce the embodiment of the present invention in group service processing method, refer to Fig. 3, Fig. 3 is the flow chart of the processing method of the group service of BM-SC sides in the embodiment of the present invention, this method includes：

Step 201：Broadcast-multicast service center BM-SC receives the request message that cluster communication service application server GCS AS are sent, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE；

Step 202：The BM-SC is that MBMS service transmission distributes MBMS system resources according to the request message；

Step 203：The BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE.

Introduced in the processing method of the group service of GCS AS sides described above, the ability that GCS AS receive UE is indicated and positional information, then indicated according to UE ability and positional information determines activation MBMS carrying services, request message is sent to BM-SC, request message is used to ask BM-SC to be that UE sets up MBMS carryings according to request message.Therefore, BM-SC can receive the request message of GCS AS transmissions.

After BM-SC receives request message, step 202 can be performed, to distribute MBMS system resources for MBMS service transmission, wherein, MBMS system resources mainly include：For the frequency range of MBMS service transmission, time slot, channel etc..

Step 203 can finally be performed, in the embodiment of the present invention, the content included in the request message sent according to GCS AS to BM-SC, BM-SC can receive the request message comprising different content, BM-SC sets up MBMS carryings using the MBMS system resources of the distribution according to the request message for the UE, specifically there is following three kinds of embodiments：

The first embodiment is：The evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

Specifically, Fig. 4 is refer to, Fig. 4 is carries out MBMS carrying foundation in the embodiment of the present invention during, the interaction figure between each network element.UE first reports UE itself ability to indicate and positional information (step 1a) to GCS AS, or UE reports the ability of itself to indicate (step 1b) to GCS AS, GCS AS are interacted by Rx interface with PCRF, obtain UE positional information (step 1c)；The ability that GCS AS receive UE indicates, with after positional information, to be indicated according to UE ability and positional information, it is determined that activation MBMS carrying services (step 2)；ECGI is mapped as SAI (step 3) by GCS AS；GCS AS are determined to reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, sent to BM-SC for activating in MBMS bearing request messages, request message comprising the SAI (step 4) generated by GCS AS；BM-SC receive comprising by the GCS AS SAI generated request message when, distribute MBMS system resources, and according to SAI select MBMS network elements (step 5)；BM-SC starts MBMS carryings and sets up (step 6) according to existing MBMS flows；BM-SC sends response message (step 7) to GCS AS；GCS AS notify UE to have activated MBMS bearer services, and related application layer parameter information is sent to UE, such as safe key, the information (step 8) such as the URL USDURL (User Service Description Uniform Resource Locator) of customer service description；UE obtains customer service and describes USD (User Service Description) information, and UE from GCS AS can obtain USD by the SIP flows of prior art, from BM-SC can also obtain USD (step 9) by unicast or multicast mode；GCS AS transmit user data (step 10) by MBMS multicasts to UE.

Second of embodiment be：The corresponding MBMS SAI in the UE regions are included in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC selects MBMS network elements according to the MBMS SAI, and utilizes the distribution MBMS system resources set up the MBMS carryings between the MBMS network elements selected.

Specifically, Fig. 5 is refer to, Fig. 5 is carries out MBMS carrying foundation in the embodiment of the present invention during, another interaction figure between each network element.UE first reports UE itself ability to indicate and positional information (step 1a) to GCS AS, or UE reports the ability of itself to indicate (step 1b) to GCS AS, GCS AS are interacted by Rx interface with PCRF, obtain UE positional information (step 1c)；The ability that GCS AS receive UE indicates, with after positional information, to be indicated according to UE ability and positional information, it is determined that activation MBMS carrying services (step 2)；When GCS AS determine to reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, the ECGI (step 3) for including the UE in the request message for activating MBMS carryings, request message is sent to BM-SC；When BM-SC receives the request message of the ECGI comprising the UE, ECGI is mapped as SAI, MBMS system resources are distributed, and MBMS network elements (step 4) are selected according to SAI；BM-SC starts MBMS carryings and sets up (step 5) according to existing MBMS flows；BM-SC sends response message (step 6) to GCS AS；GCS AS notify UE to have activated MBMS bearer services, and related application layer parameter information is sent into UE, such as safe key, the information (step 7) such as USD URL；UE obtains USD information, and UE from GCS AS can obtain USD by the SIP flows of prior art, from BM-SC can also obtain USD (step 8) by unicast or multicast mode；GCS AS transmit user data (step 9) by MBMS multicasts to UE.

Above-mentioned BM-SC distributes MBMS system resources according to request message, initiates the first embodiment and second of embodiment of MBMS session establishments, it is adaptable to which UE reports ECGI scene to GCS AS.The embodiment of the present invention also provides the third embodiment, reports ECGI and TAI scene to GCS AS for UE.The third embodiment is：The evolution wireless access network Cell Global Identity ECGI of tracking area identification TAI and UE regions comprising UE regions in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC selects MBMS network elements according to the TAI and the configuration information, and sets up the MBMS between the MBMS network elements selected using the MBMS system resources of the distribution Carrying.

Specifically, in the third embodiment, BM-SC needs to select MBMS network elements using configuration information, and MBMS session establishments are initiated, wherein, configuration information characterizes the corresponding relation between TAI and MBMS network elements, configuration information can be only fitted on dns server, can also configure on BM-SC.The TAI of UE regions is included in the request message received due to BM-SC, BM-SC is after request message is received, by being parsed to request message, TAI can be obtained, the configuration information related to TAI is then extracted in itself or from dns server from BM-SC again.

For example, the corresponding relation of the TAI and MBMS network elements configured on dns server or BM-SC has：TAI 1 corresponding MBMS GW 1, MME 1, MCE 1；TAI 2 corresponding MBMS GW 2, MME 2, MCE 2；TAI 3 corresponding MBMS GW 3, MME 3, MCE 3.The TAI comprising UE regions is TAI 1 in the request message that BM-SC is received, and BM-SC is in itself or from dns server extraction MBMS network elements corresponding with TAI 1 from BM-SC：MBMS GW 1, MME1, MCE 1.

Fig. 6 is refer to, Fig. 6 is carries out MBMS carrying foundation in the embodiment of the present invention during, the another interaction figure between each network element.UE first reports UE itself ability to indicate and positional information (step 1a) to GCS AS, or UE reports the ability of itself to indicate (step 1b) to GCS AS, GCS AS are interacted by Rx interface with PCRF, obtain UE positional information (step 1c)；The ability that GCS AS receive UE indicates, with after positional information, to be indicated according to UE ability and positional information, it is determined that activation MBMS carrying services (step 2)；When GCS AS determine to reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, the ECGI and TAI (step 3) for including the UE in the request message for activating MBMS carryings, request message are sent to BM-SC；When BM-SC receives the request message of the ECGI comprising the UE, MBMS system resources are distributed, and MBMS network elements are selected according to TAI, eNB (step 4) is selected according to ECGI；BM-SC selects MBMS network elements (such as MBMS GW, MME, MCE) according to the TAI and configuration information included in request message, and by the information of these MBMS network elements (for example：IP address etc.) it is stored in parameter list, BM-SC selects MBMS GW according to parameter list, then sends session start request to the MBMS GW selected, the ECGI (step 5) included in parameter list and request message is included in session start request；MBMS GW Session start response message (step 6) is replied to BM-SC；MBMS GW select MME according to parameter list, then send session start request to the MME selected, the ECGI (step 7) included in parameter list and request message is included in session start request；MME selects MCE according to parameter list, then sends session start request to the MCE selected, the ECGI (step 8) included in parameter list and request message is included in session start request；The ECGI selection eNB that MCE is included in being asked according to session start, then send session start request (step 9) to the eNB selected；RAN sides distributing radio resource (step 10)；ENB replys session start response message to MBMS GW (step 11) by MCE and MME；BM-SC sends response message (step 12) to GCS AS；GCS AS notify UE to have activated MBMS bearer services, and related application layer parameter information is sent into UE, such as safe key, the information (step 13) such as USD URL；UE obtains USD information, and UE from GCS AS can obtain USD by the SIP flows of prior art, from BM-SC can also obtain USD (step 14) by unicast or multicast mode；GCS AS transmit user data (step 15) by MBMS multicasts to UE.

Introduced in the processing method of the group service of GCS AS sides described above, GCS AS can also determine the generating mode of safe key, determine still to generate safe key by the BM-SC by GCS AS generations safe key, safe key is used to the data transmitted between GCS AS and UE are encrypted, and wherein the particular content of safe key can be：Business key label MSK ID (MBMS Service Key Identifier), MBMS Service Key MSK (MBMS Service Key) and the key term of validity (key validation) etc..

In the embodiment of the present invention, the request message includes safe key, and the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.The safe key is generated by the GCS AS, and the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

In the embodiment of the present invention, after the BM-SC receives the request message that GCS AS are sent, methods described also includes：

Specifically, when GCS AS determine that GCS AS can be when generating safe key by GCS AS Before sending request message to BM-SC, safe key is generated, is then sent to BM-SC comprising the request message by the GCS AS safe keys generated.BM-SC is after request message is received, by being parsed to request message, can obtain safe key.

When GCS AS determine to generate safe key by BM-SC, GCS AS directly send request message to BM-SC, safe key is not included in request message, BM-SC is after request message is received, by being parsed to request message, safe key is not obtained, then actively generates safe key, then when sending the response message of activation MBMS carryings to GCS AS, send comprising the response message by the BM-SC safe keys generated.

Fig. 7 is refer to, during Fig. 7 is generation safe key in the embodiment of the present invention, the interaction figure between each network element.As shown in fig. 7, GCS AS determine the generating mode (step 1) of safe key first；When generating mode is to generate safe key by GCS AS, GCS AS generation safe keys (step 2a)；GCS AS are sent comprising the request message (step 3a) by the GCS AS safe keys generated to BM-SC；When generating mode is to generate safe key by BM-SC, GCS AS send request message (step 2b) to BM-SC；BM-SC is received after request message, request message is parsed, safe key is not obtained, then BM-SC actively generates safe key, then sent to GCS AS in the response message of activation MBMS carryings, response message and include the safe key (step 3b) generated by BM-SC.

Next from UE sides introduce the embodiment of the present invention in group service processing method, refer to Fig. 8, Fig. 8 is the flow chart of the processing method of the group service of UE sides in the embodiment of the present invention, this method includes：

Step 301：User equipment (UE) reports the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；Wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.

Introduced in the processing method of GCS AS sides described above and the group service of BM-SC sides, the ability that GCS AS receive UE is indicated and positional information, ability indicates that characterizing UE supports multicast transmission, positional information includes the evolution wireless access network Cell Global Identity ECGI of UE regions, the capability indication information and positional information that wherein GCS AS are received are reported by UE, and specific report method has following Two methods：

First method：The UE reports the ability of the UE to indicate and the positional information by the GC1 interface signalings of application layer to the GCS AS.

Second method：The UE reports the ability of the UE to indicate and positional information by Session initiation Protocol SIP flows to the GCS AS.

Specifically, as shown in figure 1, UE is connected by the GC1 interfaces of application layer with GCS AS, thus UE can by GC1 interface signalings to GCS AS report UE itself ability indicate and the positional information.Furthermore it is also possible to when UE registers group, assist SIP flows to report UE itself ability to indicate and positional information to GCS AS by session setup.

In the embodiment of the present invention, GCS AS are indicated according to UE ability and positional information determines activation MBMS carrying services.Introduced as foregoing, GCS AS are received after UE ability instruction and positional information, judge that UE supports multicast transmission, and whether reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, if it is judged that being yes, it is determined that activating multimedia broadcast/multicast service MBMS carrying services, request message is sent to BM-SC, BM-SC distributes MBMS system resources according to the request message received, sets up MBMS carryings.Specific implementation process refer to the processing method of the group service of GCS AS sides described above and BM-SC sides, just repeat no more herein.

In the embodiment of the present invention, positional information can only include the evolution wireless access network Cell Global Identity ECGI of UE regions, positional information can also include the tracking area identification TAI of UE regions in addition to the evolution wireless access network Cell Global Identity ECGI comprising UE regions.

Specifically, UE can report ECGI, BM-SC to select MBMS network elements according to ECGI to GCS AS, set up MBMS carryings.Specific implementation process refer to the processing method of the group service of GCS AS sides described above and BM-SC sides, just repeat no more herein.

UE can also report ECGI and TAI to GCS AS, and BM-SC can select MBMS network elements according to the TAI of UE regions, eNB is selected according to ECGI, set up MBMS carryings.Specific implementation process refer to the processing method of the group service of GCS AS sides described above and BM-SC sides, just repeat no more herein.

Based on same inventive concept, a kind of cluster communication service application server is provided in the embodiment of the present invention GCS AS (Group Communication Service Application Server), refer to Fig. 9, the functional block diagram that Fig. 9 is GCS AS in the embodiment of the present invention.The implication for the term that GCS AS shown in Fig. 9 are related to and implement, may be referred to earlier figures 1 to Fig. 8 and the associated description of embodiment.

As shown in figure 9, GCS AS include：

First receiving unit 11, the ability of the UE for receiving user equipment (UE) transmission is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；

Processing unit 12, for for being indicated and the positional information according to the ability, determining activating multimedia broadcast/multicast service MBMS carrying services；

Transmitting element 13, for sending request message to broadcast-multicast service center BM-SC, the request message is used to ask the BM-SC to set up MBMS carryings for the UE.

Optionally, the processing unit 12 specifically for：

Optionally, the processing unit 12 is additionally operable to：

Optionally, the GCS AS also include：

The transmitting element 13 specifically for：Sent to BM-SC comprising the request message by the GCS AS safe keys generated.

Optionally, the GCS AS also include：

Optionally, the request message includes the ECGI of the UE regions, so that the BM-SC determines that the corresponding MBMS area in the UE regions identifies MBMS SAI and according to MBMS SAI selection MBMS network elements according to the ECGI of the UE regions, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

Optionally, the transmitting element 13 specifically for：

The request message comprising the tracking area identification TAI of the UE regions and the ECGI of the UE regions is sent to the BM-SC, so that the BM-SC selects MBMS network elements according to the TAI, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.

Optionally, first receiving unit 11 specifically for：

Various change mode and instantiation in the processing method of group service in the embodiment of earlier figures 2 are equally applicable to the GCS AS of the present embodiment, pass through the detailed description of the foregoing processing method to group service, those skilled in the art are clear that the implementation of GCS AS in the present embodiment, so it is succinct for specification, it will not be described in detail herein.

It refer to Figure 10, the hardware module figure that Figure 10 is GCS AS in the embodiment of the present invention.GCS AS include：

Receiver 111, is indicated and positional information for receiving the ability of the UE of user equipment (UE) transmission, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information is comprising described The evolution wireless access network Cell Global Identity ECGI of UE regions；

Processor 112, for being indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；

Transmitter 114, for sending request message to broadcast-multicast service center BM-SC, the request message is used to ask the BM-SC to set up MBMS carryings for the UE.

Optionally, the processor 112 specifically for：

Optionally, the processor 112 is additionally operable to：

When it is to generate safe key by the GCS AS that the GCS AS, which determine the generating mode of safe key, safe key is generated；

The transmitter 114 specifically for：Sent to BM-SC comprising the request message by the GCS AS safe keys generated.

Optionally, the receiver 111 is additionally operable to：

Receive in the response message that the BM-SC is sent, the response message and include the safe key generated by the BM-SC.

Optionally, the transmitter 114 specifically for：

According to the ECGI of the UE regions, the corresponding MBMS in the UE regions is determined SAI；The request message for including the corresponding MBMS SAI in the UE regions is sent to the BM-SC.

Optionally, the transmitter 114 specifically for：

Optionally, the receiver 111 specifically for：

Wherein, in Fig. 10, bus architecture (is represented) with bus 110, and bus 110 can include the bus and bridge of any number of interconnection, and the various circuits for the memory that bus 110 represents the one or more processors including being represented by processor 112 and memory 113 are linked together.The various other of such as ancillary equipment, voltage-stablizer and management circuit or the like can also be electrically connected to together by bus 100, and these are all it is known in the art, therefore, no longer it is described further herein.EBI 115 provides interface between bus 100 and receiver 111 and transmitter 114.Receiver 111 and transmitter 114 can be that there is provided the unit for being communicated over a transmission medium with various other devices for same element, i.e. transceiver.Depending on the property of user equipment, user interface 116 can also be provided, such as keypad, display, loudspeaker, microphone, control stick.

Processor 112 is responsible for bus 110 and common processing, and memory 113 can be used for storage processor 112 used data when performing operation.

Based on same inventive concept, a kind of broadcast-multicast service center BM-SC (Broadcast-Multicast Service Centre) is provided in the embodiment of the present invention, Figure 11, the functional block diagram that Figure 11 is BM-SC in the embodiment of the present invention is refer to.The implication for the term that BM-SC shown in Figure 11 is related to and implement, may be referred to earlier figures 1 to Fig. 8 and the associated description of embodiment.

As shown in figure 11, BM-SC includes：

Receiving unit 21, request message for receiving cluster communication service application server GCS AS transmissions, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE

Allocation unit 22, for being that MBMS service transmission distributes MBMS system resources according to the request message；

Unit 23 is set up, MBMS carryings are set up for the UE for the MBMS system resources using the distribution.

Optionally, the evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the BM-SC also includes：

The unit 23 of setting up is used for：MBMS network elements are selected according to the MBMS SAI, and are that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.

Optionally, the corresponding MBMS SAI in the UE regions are included in the request message；Then it is described set up unit 23 specifically for：

Optionally, in the request message where tracking area identification TAI and UE comprising UE regions The evolution wireless access network Cell Global Identity ECGI in region；Then the BM-SC also includes：

The unit 23 of setting up is used for：The MBMS carryings are set up between the MBMS network elements selected according to the TAI and configuration information selection MBMS network elements, and using the MBMS system resources of the distribution.

Optionally, the request message includes safe key, and the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

Optionally, the BM-SC also includes：

Various change mode and instantiation in the processing method of group service in the embodiment of earlier figures 3 are equally applicable to the BM-SC of the present embodiment, pass through the detailed description of the foregoing processing method to group service, those skilled in the art are clear that the implementation of BM-SC in the present embodiment, so it is succinct for specification, it will not be described in detail herein.

It refer to Figure 12, the hardware module figure that Figure 12 is BM-SC in the embodiment of the present invention.BM-SC includes：

Receiver 221, request message for receiving cluster communication service application server GCS AS transmissions, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE；

Processor 222, for being that MBMS service transmission distributes MBMS system resources according to the request message；Using the MBMS system resources of the distribution MBMS carryings are set up for the UE.

Optionally, the evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the processor 222 is additionally operable to：

According to the ECGI included in the request message, the corresponding MBMS area mark MBMS SAI in the UE regions are determined；MBMS network elements are selected according to the MBMS SAI, and are that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.

Optionally, the corresponding MBMS SAI in the UE regions are included in the request message；Then the processor 222 specifically for：

Optionally, the evolution wireless access network Cell Global Identity ECGI of the tracking area identification TAI and UE regions of UE regions is included in the request message；Then the processor 222 is additionally operable to：

Configuration information is obtained according to the TAI included in the request message, the configuration information includes the corresponding relation between TAI the and MBMS network elements；The MBMS carryings are set up between the MBMS network elements selected according to the TAI and configuration information selection MBMS network elements, and using the MBMS system resources of the distribution.

Optionally, the BM-SC also includes：

Transmitter 223, after receiving the request message that GCS AS are sent in the BM-SC, sent to the GCS AS and safe key is included in response message, the response message, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.

Wherein, in fig. 12, bus architecture (is represented) with bus 210, and bus 220 can include the bus and bridge of any number of interconnection, and the various of memory that the one or more processors including being represented by processor 222 and memory 224 are represented are electrically connected to together by bus 220.The various other of such as ancillary equipment, voltage-stablizer and management circuit or the like can also be electrically connected to together by bus 220, and these are all it is known in the art, therefore, no longer it is described further herein.EBI 225 provides interface between bus 220 and receiver 221 and transmitter 223.Receiver 221 and transmitter 223 can be same element, i.e. transceiver there is provided for over a transmission medium with it is various The unit of other devices communication.Depending on the property of user equipment, user interface 226 can also be provided, such as keypad, display, loudspeaker, microphone, control stick.

Processor 222 is responsible for bus 220 and common processing, and memory 224 can be used for storage processor 222 used data when performing operation.

Based on same inventive concept, a kind of user equipment (UE) (User Equipment) is provided in the embodiment of the present invention, Figure 13, the functional block diagram that Figure 13 is UE in the embodiment of the present invention is refer to.The implication for the term that UE shown in Figure 13 is related to and implement, may be referred to earlier figures 1 to Fig. 8 and the associated description of embodiment.

As shown in figure 13, UE includes：

Processing unit 31, for reporting the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, activating multimedia broadcast/multicast service MBMS carrying services are determined；Wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.

Optionally, the processing unit 31 specifically for：

Optionally, the positional information also includes the tracking area identification TAI of the UE regions.

Various change mode and instantiation in the processing method of group service in the embodiment of earlier figures 8 are equally applicable to the UE of the present embodiment, pass through the detailed description of the foregoing processing method to group service, those skilled in the art are clear that the implementation of UE in the present embodiment, so for specification Succinctly, it will not be described in detail herein.

It refer to Figure 14, the hardware module figure that Figure 14 is UE in the embodiment of the present invention.UE includes：

Processor 311, for reporting the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；Wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.

Optionally, the processor 311 specifically for：

Wherein, in fig. 14, bus architecture (is represented) with bus 330, and bus 310 can include the bus and bridge of any number of interconnection, and the various of memory that the one or more processors including being represented by processor 311 and memory 312 are represented are electrically connected to together by bus 310.The various other of such as ancillary equipment, voltage-stablizer and management circuit or the like can also be electrically connected to together by bus 310, and these are all it is known in the art, therefore, no longer it is described further herein.

Processor 311 is responsible for bus 310 and common processing, and memory 312 can be used for storage processor 311 used data when performing operation.

UE is specifically as follows mobile phone, tablet personal computer and other users side apparatus.

Various change mode and instantiation in the processing method of group service in the embodiment of earlier figures 8 are equally applicable to the UE of the present embodiment, pass through the detailed description of the foregoing processing method to group service, those skilled in the art are clear that the implementation of UE in the present embodiment, so it is succinct for specification, it will not be described in detail herein.

It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program product.Therefore, the form of the embodiment in terms of the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware.Moreover, the present invention can use the form for the computer program product implemented in one or more computer-usable storage mediums (including but is not limited to magnetic disk storage and optical memory etc.) for wherein including computer usable program code.

The present invention is flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program product to describe.It should be understood that can by the flow in each flow and/or square frame and flow chart and/or block diagram in computer program instructions implementation process figure and/or block diagram and/or square frame combination.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce a machine so that produce the device for being used for realizing the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames by the instruction of the computing device of computer or other programmable data processing devices.

These computer program instructions may be alternatively stored in the computer-readable memory that computer or other programmable data processing devices can be guided to work in a specific way, so that the instruction being stored in the computer-readable memory, which is produced, includes the manufacture of command device, the command device realizes the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices, so that series of operation steps is performed on computer or other programmable devices to produce computer implemented processing, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart The step of function of being specified in one flow or multiple flows and/or one square frame of block diagram or multiple square frames.

Although having been described for embodiments of the invention, those skilled in the art once know basic creative concept, then other change and modification can be made to these embodiments.So, appended claims are intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.

Obviously, those skilled in the art can carry out various changes and modification to the present invention without departing from the spirit and scope of the present invention.So, if these modifications and variations of the present invention belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims

A kind of processing method of group service, it is characterised in that methods described includes：

The ability that cluster communication service application server GCS AS receive the UE that user equipment (UE) is sent is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；

The GCS AS are indicated and the positional information according to the ability, determine activating multimedia broadcast/multicast service MBMS carrying services；

The GCS AS send request message to broadcast-multicast service center BM-SC, and the request message is used to ask the BM-SC to set up MBMS carryings for the UE.
The method as described in claim 1, it is characterised in that the GCS AS are indicated and the positional information according to the ability, it is determined that activation MBMS carrying services, including：

The GCS AS are indicated and the positional information according to the ability, determine that the UE supports multicast transmission, and reach predetermined threshold value with the quantity with the ECGI identicals UE of the UE regions, it is determined that activation MBMS carrying services.
Method as described in right wants 1 or 2, it is characterised in that methods described also includes：

The GCS AS determine the generating mode of safe key, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted, the generating mode of the safe key includes generating safe key by the GCSAS, or generates safe key by the BM-SC.
Method as claimed in claim 3, it is characterised in that when it is to generate safe key by the GCS AS that the GCS AS, which determine the generating mode of safe key, methods described also includes：

The GCS AS generate safe key；

The safe key generated by the GCS AS is included in the request message that then the GCS AS are sent to BM-SC.
Method as claimed in claim 3, it is characterised in that when it is to generate safe key by the BM-SC that the GCS AS, which determine the generating mode of safe key, methods described also includes：

The GCS AS are received in the response message that the BM-SC is sent, the response message and included by institute State the safe key of BM-SC generations.
Method as claimed in claim 1 or 2, it is characterized in that, the request message includes the ECGI of the UE regions, so that the BM-SC determines that the corresponding MBMS area in the UE regions identifies MBMS SAI and according to MBMS SAI selection MBMS network elements according to the ECGI of the UE regions, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.
Method as claimed in claim 2, it is characterised in that the GCS AS send request message to BM-SC, including：

The GCS AS determine the corresponding MBMS SAI in the UE regions according to the ECGI of the UE regions；

The GCS AS send the request message for including the corresponding MBMS SAI in the UE regions to the BM-SC.
Method as claimed in claim 1 or 2, it is characterised in that the GCS AS send request message to BM-SC, be specially：

The GCS AS send the request message comprising the tracking area identification TAI of the UE regions and the ECGI of the UE regions to the BM-SC, so that the BM-SC selects MBMS network elements according to the TAI, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.
Method as described in claim 1,2 or 7, it is characterised in that the ability that the GCS AS receive the UE that UE is sent is indicated and positional information, is specially：

The ability that the GCS AS receive the UE that the UE is reported by the GC1 interface signalings of application layer is indicated and positional information；Or

The ability that the GCS AS receive the UE that the UE is reported by Session initiation Protocol SIP flows is indicated and positional information；Or

The GCS AS are interacted by Rx interface with strategy and billing function entity PCRF, obtain the positional information of the UE.
A kind of processing method of group service, it is characterised in that methods described includes：

Broadcast-multicast service center BM-SC receives asking for cluster communication service application server GCS AS transmissions Seek message, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE；

The BM-SC is that MBMS service transmission distributes MBMS system resources according to the request message；

The BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE.
Method as claimed in claim 10, it is characterised in that the evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC determines the corresponding MBMS area mark MBMS SAI in the UE regions according to the ECGI included in the request message；

The BM-SC selects MBMS network elements according to the MBMS SAI, and is that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.
Method as claimed in claim 10, it is characterised in that the corresponding MBMS SAI in the UE regions are included in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC selects MBMS network elements according to the MBMS SAI, and is that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.
Method as claimed in claim 10, it is characterised in that the evolution wireless access network Cell Global Identity ECGI of the tracking area identification TAI and UE regions comprising UE regions in the request message；Then the BM-SC sets up MBMS carryings using the MBMS system resources of the distribution for the UE, including：

The BM-SC obtains configuration information according to the TAI included in the request message, and the configuration information includes the corresponding relation between TAI the and MBMS network elements；

The BM-SC selects MBMS network elements according to the TAI and the configuration information, and is that the UE sets up MBMS between the MBMS network elements selected using the MBMS system resources of the distribution Carrying.
Method as described in claim 10-13 is any, it is characterised in that the request message includes safe key, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.
Method as described in claim 10-13 is any, it is characterised in that after the BM-SC receives the request message that GCS AS are sent, methods described also includes：

The BM-SC is sent to the GCS AS includes safe key in response message, the response message, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.
A kind of processing method of group service, it is characterised in that methods described includes：

User equipment (UE) reports the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；Wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.
Method as claimed in claim 16, it is characterised in that the UE reports the ability of the UE to indicate and positional information to GCS AS, including：

The UE reports the ability of the UE to indicate and the positional information by the GC1 interface signalings of application layer to the GCS AS；Or

The UE reports the ability of the UE to indicate and positional information by Session initiation Protocol SIP flows to the GCS AS.
Method as described in claim 16 or 17, it is characterised in that the positional information also includes the tracking area identification TAI of the UE regions.
A kind of cluster communication service application server GCS AS, it is characterised in that including：

First receiving unit, the ability of the UE for receiving user equipment (UE) transmission is indicated and positional information, wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions；

Processing unit, for according to the ability indicate and the positional information, determine activating multimedia broadcast/ Multicast service MBMS carrying services；

Transmitting element, for sending request message to broadcast-multicast service center BM-SC, the request message is used to ask the BM-SC to set up MBMS carryings for the UE.
GCS AS as claimed in claim 19, it is characterised in that the processing unit specifically for：

Indicated according to the ability and the positional information, determine that the UE supports multicast transmission, and predetermined threshold value is reached with the quantity with the ECGI identicals UE of the UE regions, it is determined that activation MBMS carrying services.
GCS AS as described in claim 19 or 20, it is characterised in that the processing unit is additionally operable to：

The generating mode of safe key is determined, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted, the generating mode of the safe key includes generating safe key by the GCS AS, or generates safe key by the BM-SC.
GCS AS as claimed in claim 21, it is characterised in that the GCS AS also include：

Generation unit, for determining that the generating mode of safe key is when generating safe key by the GCS AS, to generate safe key as the GCS AS；

The transmitting element specifically for：Sent to BM-SC comprising the request message by the GCS AS safe keys generated.
GCS AS as claimed in claim 21, it is characterised in that the GCS AS also include：

Second receiving unit, the safe key generated by the BM-SC is included for receiving in the response message that the BM-SC is sent, the response message.
GCS AS as described in claim 19 or 20, it is characterized in that, the request message includes the ECGI of the UE regions, so that the BM-SC determines that the corresponding MBMS area in the UE regions identifies MBMS SAI and according to MBMSSAI selection MBMS network elements according to the ECGI of the UE regions, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.
GCS AS as claimed in claim 20, it is characterised in that the transmitting element specifically for：

According to the ECGI of the UE regions, the corresponding MBMS SAI in the UE regions are determined；The request message for including the corresponding MBMS SAI in the UE regions is sent to the BM-SC.
GCS AS as described in claim 19 or 20, it is characterised in that the transmitting element specifically for：

The request message comprising the tracking area identification TAI of the UE regions and the ECGI of the UE regions is sent to the BM-SC, so that the BM-SC selects MBMS network elements according to the TAI, wherein, the MBMS network elements are used to set up MBMS carryings for the UE.
GCS AS as described in claim 19,20 or 25, it is characterised in that first receiving unit specifically for：

The ability for receiving the UE that the UE is reported by the GC1 interface signalings of application layer is indicated and positional information；Or

The ability for receiving the UE that the UE is reported by Session initiation Protocol SIP flows is indicated and positional information；Or

Interacted by Rx interface with strategy and billing function entity PCRF, obtain the positional information of the UE.
A kind of broadcast-multicast service center BM-SC, it is characterised in that the BM-SC includes：

Receiving unit, request message for receiving cluster communication service application server GCS AS transmissions, the request message is in the GCS AS UE sent according to user equipment (UE) ability instruction and positional information, the message sent after activating multimedia broadcast/multicast service MBMS carrying services to the BM-SC is determined, the request message is used to ask the BM-SC to set up MBMS carryings for the UE；

Allocation unit, for being that MBMS service transmission distributes MBMS system resources according to the request message；

Unit is set up, MBMS carryings are set up for the UE for the MBMS system resources using the distribution.
BM-SC as claimed in claim 28, it is characterised in that the evolution wireless access network Cell Global Identity ECGI of user equipment (UE) region is included in the request message；Then the BM-SC also includes：

Map unit, for according to the ECGI included in the request message, determining the corresponding MBMS area mark MBMS SAI in the UE regions；

The unit of setting up is used for：MBMS network elements are selected according to the MBMS SAI, and are that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.
BM-SC as claimed in claim 28, it is characterised in that the corresponding MBMS SAI in the UE regions are included in the request message；Then it is described set up unit specifically for：

MBMS network elements are selected according to the MBMS SAI, and are that the UE sets up MBMS carryings between the MBMS network elements selected using the MBMS system resources of the distribution.
BM-SC as claimed in claim 28, it is characterised in that the evolution wireless access network Cell Global Identity ECGI of the tracking area identification TAI and UE regions comprising UE regions in the request message；Then the BM-SC also includes：

Obtaining unit, for obtaining configuration information according to the TAI included in the request message, the configuration information includes the corresponding relation between TAI the and MBMS network elements；

The unit of setting up is used for：The MBMS carryings are set up between the MBMS network elements selected according to the TAI and configuration information selection MBMS network elements, and using the MBMS system resources of the distribution.
BM-SC as described in claim 28-31 is any, it is characterised in that the request message includes safe key, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.
BM-SC as described in claim 28-31 is any, it is characterised in that the BM-SC also includes：

Transmitting element, after receiving the request message that GCS AS are sent in the BM-SC, sent to the GCS AS and safe key is included in response message, the response message, the safe key is used to the data transmitted between the GCS AS and the UE are encrypted.
A kind of user equipment (UE), it is characterised in that the UE includes：

Processing unit, for reporting the ability of the UE to indicate and positional information to cluster communication service application server GCS AS, so that the GCS AS are indicated and the positional information according to the ability, determines activating multimedia broadcast/multicast service MBMS carrying services；Wherein, the ability indicates that characterizing the UE supports multicast transmission, and the positional information includes the evolution wireless access network Cell Global Identity ECGI of the UE regions.
UE as claimed in claim 34, it is characterised in that the processing unit specifically for：

The ability of the UE is reported to indicate and the positional information to the GCS AS by the GC1 interface signalings of application layer；Or

The ability of the UE is reported to indicate and positional information to the GCS AS by Session initiation Protocol SIP flows.
UE as described in claim 34 or 35, it is characterised in that the positional information also includes the tracking area identification TAI of the UE regions.