CN1981464A - Method and apparatus for assigning a temporary mobile group identity in a multimedia broadcast/multicast service - Google Patents
Method and apparatus for assigning a temporary mobile group identity in a multimedia broadcast/multicast service Download PDFInfo
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- CN1981464A CN1981464A CNA2004800015069A CN200480001506A CN1981464A CN 1981464 A CN1981464 A CN 1981464A CN A2004800015069 A CNA2004800015069 A CN A2004800015069A CN 200480001506 A CN200480001506 A CN 200480001506A CN 1981464 A CN1981464 A CN 1981464A
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Abstract
A Multimedia Broadcast/Multicast Service (MBMS) server (122) in a packet data communication system (100) generates and assigns Temporary Mobile Group Identities (TMGIs) to MBMS services, thereby serving as a central repository for the TMGIs. In response to receiving a request to participate in an MBMS service, the MBMS server generates a TMGI (400). The MBMS server assigns the TMGI to the MBMS service and stores the TMGI in association with information relating to the MBMS service to produce a stored TMGI. The MBMS server further conveys the TMGI to a source of the received request, thereby providing for a distribution of the TMGI to mobile stations (102-104) subscribed to the MBMS service. The subscribed mobile stations may then use the TMGI to receive data packets associated with the MBMS service.
Description
Technical field
The present invention relates generally to packet data communication system, and relate in particular to a kind of multimedia broadcast multicast services in packet data communication system.
Background technology
The universal mobile telecommunications service (umts) standard provides a compatibility standard for cellular mobile telecommunication system.The UMTS standard guarantees that the mobile radio station (MS) or the subscriber equipment (UE) that move can obtain communication service when moving in the system of making according to this standard in a UMTS system.In order to ensure compatibility, this standard code comprise the radio system parameters and the data transfer procedure of the agreement that digital control message and bearer traffic by air interface exchange are managed.
In 3GPP TS 25.344 (third generation cooperative programme technical specification 25.344) vO.5.0,3GPPTS 23.246 v1.1.0 and 3GPP TS 23.846 v6.1.0, the UMTS standard provides by the regulation of UMTS communication system to MS supplying multimedia broadcast/multicast service (MBMS) service that this system served and subscribed this service.When mobile radio station (MS) is providing in the communication system of MBMS service when movable, described MBMS service for example is the broadcasting about audio frequency, video and/or the data of the sport event such as super or World Cup, then MS can register this MBMS service by represent to receive the wish of the multicast packet relevant with this MBMS service to this communication system.By registering this MBMS service, MS adds a multicast group relevant with this service.In response to the registration request that receives from MS, the service 3G GPRS Support Node (SGSN) that is arranged in system is served and the corresponding relevant Temporary Mobile Group Identity (TMGI) of multicast group to this MS transmission and this MBMS via the wireless access network (RAN) of this MS of service.TMGI is made by communication system then and be used for notifying described MS when communication system has the MBMS data to send the MS relevant with corresponding MBMS service/multicast group to.
, the UMTS standard do not have the regulation communication system establishment TMGI element or be used for program to relevant multicast group and corresponding MBMS service assignment TMGI.Therefore, need be used for wireless communication system establishment and the distribution TMGI relevant with the MBMS service method and apparatus.
Description of drawings
Fig. 1 is the block diagram according to the wireless communication system of the embodiment of the invention.
Fig. 2 is the block diagram according to the mobile radio station among Fig. 1 of the embodiment of the invention.
Fig. 3 A is a method logical flow chart according to the embodiment of the invention, and by this method, the communication system of Fig. 1 produces, distributes and a distribution and a Temporary Mobile Group Identity that the multi-medium broadcast/group broadcast service is relevant.
Fig. 3 B is the continuation according to the logical flow chart of Fig. 3 A method of the embodiment of the invention, by this method, and the Temporary Mobile Group Identity that communication system generation, distribution and the distribution of Fig. 1 is relevant with the multi-medium broadcast/group broadcast service.
Fig. 4 is the block diagram according to a Temporary Mobile Group Identity of the embodiment of the invention.
Embodiment
In order to solve needs for the method and apparatus of the TMGI that is used for being associated with the MBMS service in wireless communication system establishment and distribution, multi-medium broadcast/group broadcast service (MBMS) server is provided in packet data communication system, it produces for the MBMS service and distributes Temporary Mobile Group Identity (TMGI), thus the central repository of serving as TMGI.In response to receiving the request that participates in the MBMS service, the MBMS server generates TMGI.The MBMS server is distributed to the MBMS service with TMGI, and stores TMGI explicitly with the information relevant with the MBMS service, so that produce the TMGI of storage.The MBMS server also sends TMGI to the source of the request that receives, thereby this TMGI is distributed to the mobile radio station of subscribing this MBMS service.The mobile radio station of Yu Dinging can use this TMGI to receive and the relevant packet of MBMS service then.
Usually, one embodiment of the present of invention comprise a kind of method that is used for distributing to multi-medium broadcast/group broadcast service (MBMS) communication session a Temporary Mobile Group Identity (TMGI).This method comprises: receive the request that participates in the MBMS service by the MBMS server; In response to receiving this request, produce TMGI by this MBMS server; By this MBMS server TMGI is distributed to the MBMS service; By this MBMS server, store this TMGI explicitly so that produce the TMGI of storage with the information relevant with this MBMS service; And this TMGI is sent to the source of the request that receives by this MBMS server.
Another embodiment of the present invention comprises the MBMS server, and this MBMS server comprises at least one storage device and the processor that can be operatively coupled to described at least one storage device.This processor receives the request that participates in the MBMS service, generate TMGI in response to receiving described request, this TMGI is distributed to the MBMS service, in at least one storage device, store TMGI explicitly so that produce the TMGI of storage, and this TMGI sends the source of the request that receives to the information relevant with the MBMS service.
With reference to figure 1-4 the present invention can be described more fully.Fig. 1 is the block diagram according to the wireless communication system 100 of the embodiment of the invention.Communication system 100 comprises a plurality of mobile radio stations (MS) or subscriber equipment (UE) 102-104 (showing three) with wireless access network (RAN) 110 radio communications, but for example is not restricted to cell phone, radio telephone, has the PDA(Personal Digital Assistant) of radio frequency (RF) performance or provides RF the radio modem of access to digital terminal equipment (DTE) (such as laptop computer).RAN110 comprises at least one transceiver or Node B 112, and it operationally is coupled to RAN controller 114, preferably operationally is coupled to radio network controller (RNC).Communication system 100 also comprises the support node 116 that is coupled to RAN110, and multi-medium broadcast/group broadcast service (MBMS) server 122 of communicating by letter with RAN controller 114 via this support node, this multi-medium broadcast/group broadcast service (MBMS) server 122 is broadcast multicast services center (BM-SC) preferably.Support node 116 generally includes one or more service 3G-GPRS support nodes (SGSN), they each all be coupled to one or more gateway 3G-GPRS support nodes (GGSN)., the precision architecture of support node 116 is thing rather than keys of the present invention of the operator of communication system 100.RAN110, support node 116 and server 122 are called as architecture 132 jointly at this together.
Each of MS102-104 can both receive and demonstration is served audio frequency, video and/or the data that are associated with the MBMS that communication system 100 provides, and this serves to being used for that the MBMS data are distributed to MS.The MBMS service is in 3GPP (third generation cooperative programme) standard--especially at 3GPP TS (technical specification) 25.344 vO.5.0,3GPP TS 23.846 v6.0.0,3GPP TS22.146 v6.0.0,3GPP TS 23.246 v1.1.0, be described in detail among 3GPP TR (technical report) 21.905 v5.4.0 and the report R2-030063, these standards and be reported in this and be introduced into for your guidance, and its copy can be organized (the MobileCompetence Centre650 of partner bureau of publication via the Internet or 3GPP, route des Lucioles, 06921 Sophia-Antipolis Cedex France) obtains from 3GPP there.
RAN110 provides communication service via air interface 138 to the mobile radio station (such as MS102-104) that is arranged in the area of coverage (for example sub-district) that RAN serves.Air interface 138 comprises a down link 140 and a up link 145, they each all comprise a plurality of communication channels.Preferably, down link 140 comprises a paging channel 141, at least one downlink control channel 142 and at least one downlink traffic channel 143.Preferably, the link 145 of up link comprises a up link access channel 146, at least one uplink control channel 147 and at least one uplink traffic channel 148.
Referring now to Fig. 1 and 2,, each of support node 116, server 122 and MS102-104 all comprises processor 118,124,206 separately, such as one or more microprocessors, microcontroller, digital signal processor (DSP), their combination or this type of known miscellaneous equipment of those of ordinary skills.Each of support node 116, server 122 and MS102-104 all also comprises and separately relevant one or more storage devices separately 120,126,208 of processor, such as random access storage device (RAM), dynamic random access memory (DRAM) and/or read-only memory (ROM) or their equivalent, data and program that its storage can be carried out by processor and allow processor to operate in communication system 100.Mobile logo symbol (mobile ID) relevant with MS and the relevant service identifier (service ID) of MBMS service that provides with communication system 100 also are provided one or more storage devices 208 of each MS102-104.One or more storage devices 120 of support node 116 also keep and the unique relevant support node identifier of support node.
Service ID is to serve a unique relevant identifier with MBMS.In one embodiment of the invention, service ID can comprise a routing address, perhaps can be the function of a routing address, such as an Internmet agreement (IP) multicast address of identification MBMS service.For example, routing address can be and a relevant IP address of MBMS data source such as MBMS content provider 136 (it is as the sources of the relevant data with incident), 10.10.10.10 for example, or go out a application program on the server 122 of MBMS data in the source.In another embodiment of the present invention, service ID can comprise or as the function of routing address, and can comprise or as the function of the APN (APN) relevant with a specific support nodes (such as support node 116) or a MBMS server (such as server 122).For example, APN can be and the relevant uniform resource locator (URL) of the service provider such as the operator of communication system 100 of operating support node or server, for example " t-mobile.com ".In other embodiments of the invention, service ID can be that communication system 100 the MBMS service that provides and all other MBMS that communication system provides are served any identifier that makes a distinction, thereby makes communication system discern each MBMS service respectively.
Each MS102-104 also comprises receiver 202, transmitter 204 and operationally is coupled to the user interface 212 of processor 206.Receiver 202 and transmitter 204 are provided for respectively being received and emission message by MS.User interface 212 comprises display screen 214 and provides the interactional performance with MS to the user of MS, comprises that input instruction is in MS.In one embodiment of the invention, user interface 212 can also comprise a keypad, and this keypad comprises a plurality of buttons, and via button, the user of MS may input an instruction to MS.In another embodiment of the present invention, display screen 214 can comprise a touch-screen, and it can be determined position (that is, X coordinate and Y coordinate) that the user touches and position data is sent to processor 206 on touch-screen.Position-based data, processor 206 are translated into an instruction to user's touch then.Preferably, touch-screen can show " keypad " screen, should comprise a plurality of soft-key buttons by " keypad " screen, and these soft-key buttons are corresponding to the button on the routine call keypad.
Preferably, communication system 100 is the universal mobile telecommunications service (umts) communication systems according to 3GPP (third generation cooperative programme) standard operation, this 3GPP standard provides a compatibility standard for the UMTS air interface, and therefore this standard is here introduced by integral body.This standard code comprise the radio telecommunications system operating protocol of radio system parameters and call processing program.In communication system 100, the communication channel of the link 134 of the down link such as access channel, control channel, paging channel and Traffic Channel or the link 135 of up link, each all comprises the one or more of a plurality of time slots in the same frequency band width.; those of ordinary skills understand: communication system 100 can be according to any radio telecommunications system operation; such as still not being restricted to: GPRS (GPRS) communication system; code division multiple access (CDMA) 2000 communication systems, time division multiple access (TDMA) communication system or OFDM (OFDM) communication system.
For communication system 100 is set up the subscription group relevant with the supply of MBMS service and is notified the broadcast/group broadcast of the MBMS data of being correlated with to the MS that subscribes, communication system 100 generates Temporary Mobile Group Identity (TMGI), each all is assigned to a MBMS service described Temporary Mobile Group Identity, and is distributed to the MS of this service of reservation.Fig. 3 A is a method logical flow chart 300 according to the embodiment of the invention, and by it, communication system 100 produces, distributes and a distribution and a relevant Temporary Mobile Group Identity (TMGI) of MBMS service.When communication system 100--and especially server 122 will be announced (such as the sport event broadcasting such as supercup match or world cup soccer match) about the service of MBMS service when transmitting (304) to each MS102-104, logical flow chart 300 beginnings (302).
Service bulletin can be sent out with any aerial form, such as via by a broadcasting of paging channel 131, via Short Message Service (SMS) or via multicast.The service bulletin comprises the information about this incident, and this information can be made by the user of MS and be used for determining whether to subscribe this incident.For example, this information can comprise the service ID relevant with MBMS service, the routing address of such as Internet agreement (IP) address, being correlated with MBMS data source (going out the MBMS content provider 136 of the data relevant such as the source) with this incident, such as " physical culture " and/or more particularly " football " (when this incident is a football match) about the subject categories of this event topic, such as the event header of " World Cup Competition No.1 " and so on and event date and one or more among the time.
In response to receiving (306) service bulletin, MS102-104 such as MS102, determines (308) whether MBMS service of identification in the booking service bulletin.Work as MS, that is, when this service was subscribed in the MS102 decision, MS transmitted the request that (310) subscribe this MBMS service to architecture 132 (especially support node 116).Reservation request comprises an identifier relevant with service, preferably, and with the relevant routing address of MBMS service.When this service is not subscribed in the MS102 decision, except the reception of perhaps confirming this bulletin, do not respond this bulletin.
In one embodiment of the invention, MS102-104, such as MS102, can based on be stored in one or more storage devices 208 program or based on automatically being responded this bulletin to the information in the storage device by the user program of MS.For example, MS can be programmed any reservation bulletin that the subject categories that answers in the affirmative is " physical culture " or " football " and/or the topic/event that comprises phrase " world cup ".In another embodiment of the present invention, at least a portion that is included in the information in the service bulletin can be displayed on the display screen 214 of user interface 212, such as the date and time of " World Cup Competition No.1 " and this incident.MS can also show the instruction about how to subscribe on display screen 214, text or the soft-key button that can select such as the user, or the user can press so that produce a button of the keypad of response.The user of MS can come subscribed event by text, soft-key button or the button of selecting indication then.Give support node 116 in response to the user to reservation request of selection MS transmission of indication text, soft-key button or button, the user expectation of expression MS is subscribed this service, that is, and and this incident.Be included in the unique relevant mobile ID with MS that has in the response, this makes support node 116 determine response source.
In response to receiving (312) reservation request, whether the MS that support node 116 is determined (314) to subscribe (that is MS102) is first MS that activates this specific MBMS service on this support node.In response to determining that MS102 is first MS that activates this specific MBMS service on this support node, support node 116 transmission (316) message first participate in this MBMS service for server 122 requests.In one embodiment of the invention, this request can notify support node 116 to participate in the expectation of this MBMS service.In other embodiments of the invention, this request can notify expectation that MS102 participates in this MBMS service or support node 116 and MS to participate in the expectation of this MBMS service.This message comprises the support node identifier that the support node of this request is submitted in identifier (preferably, be service ID and/or with this service relevant routing address) relevant with the MBMS service and identification to, such as the routing address of support node 116.This message can also comprise and subscribe a relevant mobile ID of MS102.
Receive the message that participates in the MBMS service from support node 116 after, server 122 determines (320) whether this is that this MBMS of reservation that server receives serves first request of (that is, adding and this MBMS service or relevant group of incident) in the time.This is that server 122 generates a Temporary Mobile Group Identity symbol (TMGI) relevant with this service when subscribing first request of this MBMS service when server 122 is determined (320).By being set in server 122 rather than in support node 116, TMGI generates and distribution function, communication system 100 provides a centralized repository and conciliates the centralized control on distributing in the establishment of TMGI, distribution, distribution for all TMGI, thereby avoids possible the duplicate allocation of TMGI and the repeated use of TMGI is maximized.Storage (324) TMGI is so that produce the TMGI of a storage in the database 128 of server 122 in being included in one or more storage devices 126 of server, and this TMGI is stored in the database explicitly with the information (such as with relevant service ID and/or the routing address of MBMS service) relevant with this MBMS service.Store support node identifier such as the routing address of the support node 116 of this request of submission to explicitly by (preferably in database 128) and TMGI in one or more storage devices 126 of server, server 122 is also created (328) subscription group relevant with incident.But when mobile ID to the server time spent, the MS that server 122 can also be stored and respond (that is MS102) relevant mobile ID.
When server 122 determine (320) participate in the MBMS service one more early request is received already the time, therefore generate a relevant TMGI already and created already and a relevant subscription group of this MBMS service, so server is retrieved (326) relevant TMGI from database 128, and mobile ID that storage (328) is relevant with the MS of response in the database 128 relevant with corresponding subscription group with TMGI and a support node identifier (support node ID) relevant with the support node of serving this MS are such as the routing address of support node 116.
Determine that in step 314 MS102 is not when activating first MS of this specific MBMS service on this support node when support node 116, support node 116 transmits (318), and message is to server 122 first, and notice MS participates in the request of this MBMS service.Logical flow chart 300 proceeds to step 326 then, at this, participates in this message then of the request of this MBMS service in response to receiving notice MS, and server 122 retrieve the TMGI that is correlated with from database 128.Server 118 also in database 128 with TMGI and the support node identifier relevant with the support node of serving MS explicitly, storage (328) and the relevant mobile ID of MS that responds.
In response to generation or retrieval and the relevant TMGI of MBMS service, server 122 transmits the MS102-104 that (330,332) TMGI gives response via the support node of serving this MS (that is, support node 116).When local maintenance TMGI and support node are not stored this TMGI as yet in one or more storage devices 120 of support node 116 at support node, so in response to the TMGI that receives from server 122, support node 116 with corresponding to the mobile ID of MS102 and serve relevant service ID with MBMS and store (333) TMGI explicitly in one or more storage devices 120.
Be similar to service bulletin, TMGI can be transmitted to MS102 via any cell broadcast format (for example via the beep-page message first on the paging channel, via Short Message Service (SMS) message first, via multicast message first).In one embodiment of the invention, server 122 transmits TMGI and accepts the modification transmission TMGI of message to MS102 to activate the MBMS environment first then to support node 116 and support node.Activate the MBMS environment to accept message be known in the art and in 3GPP TR 23.846, be described.In communication system 100, activation MBMS environment is accepted message and is modified so that comprise a TMGI data field, and support node 116 is embedded in the TMGI that receive from server 122 the TMGI data field.In addition, the message that transmits TMGI can also comprise and the relevant mobile ID of MS of this incident of reservation that this makes MS determine that it is the intended recipinent of this TMGI.
In another embodiment of the present invention, support node 116 can be stored a TMGI in this locality in one or more storage devices 120 of support node.That is, when first MS such as MS102 subscribed the MBMS service via support node 116, in response to transmitting a request that participates in the MBMS service to server, support node received a TMGI from server 122 as mentioned above.Support node then the TMGI that receives be stored in explicitly in one or more storage devices 120 of support node corresponding to the service ID of MBMS service and corresponding to the mobile ID of first MS102.When by second MS (such as MS103) of support node 116 service after a while when support node transmits request that participates in the MBMS service, support node can only be retrieved (315) TMGI and transmission (332) TMGI and (that is, MS103) needn't obtain TMGI from server 122 for this MS from one or more storage devices 120 of this support node.In such an embodiment, support node 116 also with TMGI and corresponding to the service ID of MBMS service explicitly with the MS that subscribes after a while (that is, MS103) relevant mobile ID storage (317) in one or more storage devices 120.
When a MS such as MS102 received (334) TMGI, MS102 stored TMGI in (336) form 210 in one or more storage devices 208 of MS.Preferably, TMGI and IP multicast address and the APN relevant with the MBMS service are stored in the form 210 explicitly.Unless here explain in addition, otherwise all functions that here are described to be carried out by MS102-104 are all carried out by the processor 206 of MS, and all functions that here are described as being carried out by support node 116 or server 122 are all carried out by the processor 118 of support node and the processor 124 of server respectively.
Fig. 4 is the bit configuration 400 according to the TMGI of the embodiment of the invention.In the embodiment of TMGI, TMGI comprises first group identifier (group ID) data field 402, has wherein embedded a group identifier relevant with subscription group or MBMS service (group ID).In one embodiment of the invention, organizing ID can be the derivative of the out of Memory of this service of identification, such as the service ID of serving corresponding to MBMS, the routing address relevant with the MBMS service or routing address and the APN that is correlated with the MBMS service.Group ID can comprise such information, perhaps prescribes a time limit when bit space has, and comprises this type of information of shortening form.For example, server 122 can be applied to a hash function and obtain a this type of information that shortens form on this information.In another embodiment of the present invention, group ID can be any identifier of unique identification service, such as event name such as " world cup soccer 2004 matches 1 " or event name, date and time.
In another embodiment of TMGI, TMGI can also comprise second data field 404 except first data field 402.Be embedded in second data field 404 is a relevant identifier of each communication session with one or more communication sessions of related MBMS service.That is, a MBMS service can be via incident of a plurality of communication session broadcasting.For example, a MBMS serves the broadcasting that can relate to a motion event (such as a football match).But not provide the continuous broadcasting of incident, the MBMS service is broadcasted this incident via a plurality of communication sessions, wherein each communication session of a plurality of communication sessions relates to an independent aspect of this incident, such as relate to a plurality of goals, periodic score is upgraded and/or the highlight of periodically competing in each piece of video or literal.Each communication session of a plurality of communication sessions then can be related with the unique identifier that MBMS content provider 136 or server 122 generate, such as Session ID (session id) or sequence identifier (serial ID).For example, first communication session such as first goal can with session or serial ID ' 1 ' related, the second communication session such as second goal can with session or serial ID ' 2 ' related or the like.
Session id needn't be continuous, and serial ID is continuous.Session or serial ID are embedded in the data grouping related with communication session by the network element that generates this ID then.
By comprise a session id or a serial ID in TMGI, a user of MBMS service can detect the repeating transmission of MBMS data better, and therefore the user can judge whether to receive this repeating transmission.For example, before the one group one or more MBMS packets related with MBMS communication session send RAN controller 114 by MBMS content provider 136 to via server 122, comprised that the TMGI of session id or serial ID is transmitted to RAN controller 114.RAN controller 114 is broadcasted the MS102-104 that TMGI gives this service of reservation then.After receiving TMGI, a MS102-104 resolves TMGI so that the ID that acquisition session id or serial ID and storage obtain.When MS detects session id or serial ID when being received (from its memory), MS can refuse the reception of the MBMS data that current session will arrive, and can inquire perhaps the user determines whether receive these data.
After the incident corresponding to the MBMS service began, server 122 received (338) one groups of packets from MBMS content provider 136, and this group packet comprises the payload data relevant with this incident such as score, highlight and/or piece of video.In response to receiving this group packet, server 122 transmits (342) to this group packet via support node 116 and gives RAN controller 114, and service ID embeds (340) with the TMGI relevant with the MBMS service in packet by server.With the packet that transmits, server 122 can also comprise be included in this packet in the related one ' conversation description of pay(useful) load '.' conversation description ' be to describe a word or phrase that is included in the payload in this group packet, such as " goal 1 ", " goal 2 " or the like.In one embodiment of the invention, ' and conversation description ' can be embedded in this group packet by serviced device 122.In another embodiment of the present invention, MBMS content provider 136 can be ' conversation description ' be embedded in this group packet.
In response to receiving this group packet and relevant service ID and TMGI, RAN controller 114 is set up (344) communication sessions with RAN controller current service and each MS102-104 that subscribed this MBMS service.Set up a part of process of communication session except conduct, the RAN controller transmits and can also transmit outside the conversation description of describing payload to each MS that is assigned to described subscription group in addition, and RAN controller 114 is set up technology according to the MBMS communication session of knowing and set up communication session.
For example, in one embodiment of the invention, the step of setting up (344) communication session can comprise the steps.RAN controller 114 is announced all MS that serve to RAN via transceiver 112 and MBMS of downlink control channel 136 broadcasting.First announcement comprises the service ID relevant with MBMS service, be assigned to subscription group TMGI and with the related conversation description of MBMS data set that receives.In response to receiving the MBMS announcement, subscribe awake the coming of each MS that this MBMS served and be in idle pulley.In addition, in response to receiving the MBMS announcement, each MS102-104 that subscribes this MBMS service also checks one or more storage devices 208 of MS so that whether the conversation description of determining to be included in the announcement mates a conversation description that remains in one or more storage devices.When not finding coupling, each MS that subscribes this MBMS service in the sub-district and receive first announcement transmits a connection request (normally a Radio Resource control (RRC) connects the request of foundation) via an access channel and gives RAN controller 114.After receiving the connection request of subscribing MS from each, the MS of RAN controller 114 by each response sets up a PTM communication channel or FTP communication channel (RAN controller determine set up any one) and sets up a communication session.
After setting up PTM communication channel or PTP communication channel, RAN controller 114 transmits (346) this group packet via one or more channels of setting up then and gives the MS102-104 that subscribes.After receiving this group packet, each MS102-104 stores conversation description and display session description and the pay(useful) load on the display screen 214 of user interface 212 that is included in this group packet in one or more storage devices 208 of MS, such as the score or the piece of video that are included in this group packet.When this incident finished, server 122 was removed the distribution (348) of TMGI to this incident, thereby release TMGI is used for the distribution to another incident.TMGI is supported in the embodiment of the invention of node 116 local storages therein, and server 122 also distributes separating of TMGI notice (349) to delete the TMGI of storage for support node and support node from the one or more storage devices 120 of support node.Logical flow chart 300 finishes (350) then.
In one embodiment of the invention, till server 122 is not understood and is distributed described TMGI after first pre-definite deadline time cycle after this incident.Determine the time cycle by waiting for that before separating distribution T MGI this incident after finishing is pre-, the MS that server 122 allows to subscribe these incidents pre-determine the time cycle during the playback of acquisition MBMS data and retransferring of the MBMS data of losing.For example, when this incident was a motion event, server 122 can be separated and distribute till a couple of days of this TMGI after this incident has finished., determine in advance the time cycle be communication system 100 the designer thing and can change based on the event type that is broadcasted (such as motion event, concert, speech or the like).In another embodiment of the present invention, the cycle very first time can dynamically be determined.For example, server 122 can inquire periodically whether support node 116 has received retransferring of any request answer relevant with this incident or MBMS data from the MS of a reservation.Request is answered or during the retransferring of MBMS data, server is separated and distributed the TMGI relevant with this incident so when server 122 is determined not receive during second time cycle.Server 122 is by determining for first and second time cycles with reference to a timer 130 that is included in the server and be coupled on the processor 124, and the serviced device of this timer makes and is used for first and second time cycles were countdowned.
For with a kind of to RAN transparent, do not need interlayer to interact, support the MBMS data of losing to send to set up that mode that the back adds the MS of an incident provides the playback of MBMS data and the retransferring of the MBMS data of losing at one or more communication sessions, communication system 100 also provides retransferring automatically of event related data grouping by MBMS content provider 136.By the packet that retransfers, provide a chance to go to obtain lost data packets or the information of the packet that receives in early time of resetting to each MS that subscribes this incident.Retransfer and can be after the initial transmission of data take place at any time, but preferably turn back to the area of coverage of system so that catch this group entrant and those of the permission area of coverage that left communication system 100 at the latest temporarily from initial transmission is enough far away in time.
By the MBMS server 122 that generates and distribute/separate distribution Temporary Mobile Group Identity (TMGI) to serve to MBMS is provided, communication system 100 minimizes the duplicate allocation possibility of TMGI.That is, by TMGI being generated and distribution function is centrally located in the MBMS server 122, communication system 100 is avoided the possible duplicate allocation of TMGI and the repeated use of TMGI is maximized.In response to receiving a request that participates in a MBMS service, MBMS server 122 generates a TMGI.MBMS server 122 distribution T MGI give this MBMS service and explicitly TMGI are stored in the database 128 in one or more storage devices 126 of server so that produce the TMGI of a storage with the information relevant with the MBMS service.MBMS server 122 also sends TMGI to the source of the request that receives, thereby the distribution of this TMGI is provided to the mobile radio station of subscribing this MBMS service.In one embodiment of the invention, when this MBMS service was subscribed in second mobile radio station request after having subscribed the MBMS service at first mobile radio station previously and having created and stored a TMGI previously, the TMGI of the TMGI of MBMS server 122 retrieve stored from one or more storage devices 126 of server and transmission storage gave second mobile radio station.In another embodiment of the present invention, support node 116 can be in one or more storage devices 120 of support node store M BMS server generate and a TMGI of distribution.When this MBMS service is subscribed in the second mobile radio station request when subscribed MBMS service previously at the first mobile station via support node after, support node can retrieve stored TMGI in one or more storage devices 120 of support node and the TMGI that this locality is stored send second mobile radio station to.
Though illustrated and described the present invention especially with reference to specific embodiment of the present invention, it should be understood by one skilled in the art that: do not depart from the equivalent substitution that the spirit and scope of the present invention of being illustrated by following claim can be carried out various variations and element thereof.Therefore, specification and accompanying drawing are regarded as illustrative and not restrictive, and all these type of variations and replacement mean and be included in the scope of the present invention.
The solution of interests, other advantage and problem has been described in the above about certain embodiments., the solution of interests, advantage, problem and can make any interests, advantage or solution occurs or the more significant any element (group) that becomes should not be interpreted as key, essential or the important feature or the element of any or all authority requirement.As what here use, noun " comprises " that " or its any variant " is intended to cover non-monopolistic comprising, process, method, product or the equipment that therefore comprises an element tabulation does not include only those elements and cannot comprise and not listing especially or other element that this class process, method, product or equipment are intrinsic.In addition, unless here point out, not necessarily require or hint this type of relation of any reality between this type of entity or the action or in proper order otherwise the use of relevant noun (such as first and second, up and down or the like) (if any) only is used for distinguishing an entity or action and another entity or action.
Claims (13)
1. method that is used for distributing Temporary Mobile Group Identity (TMGI) to multi-medium broadcast/group broadcast service (MBMS) communication session, this method comprises:
Receive the request that participates in the MBMS service by the MBMS server;
In response to this request of reception, produce TMGI by this MBMS server;
By this MBMS server this TMGI is distributed to the MBMS service;
Store this TMGI explicitly so that produce the TMGI of storage by the information that this MBMS server is relevant with this MBMS service; With
This TMGI is sent to the source of the request that receives by this MBMS server.
2. the process of claim 1 wherein: distribute to comprise TMGI being distributed to uniquely to MBMS and serve by the MBMS server.
3. the process of claim 1 wherein: Temporary Mobile Group Identity comprises identifier, and this identifier is discerned the MBMS service in the wireless communication system uniquely.
4. the method for claim 1, wherein: storage Temporary Mobile Group Identity (TMGI) comprising: by with the identifier relevant with mobile radio station and with the relevant support node identifier of support node at least one store this TMGI explicitly, by multi-medium broadcast/group broadcast service (MBMS) server establishment subscription group.
5. the process of claim 1 wherein: the request of participation multi-medium broadcast/group broadcast service (MBMS) service that is received by the MBMS server is first request of the participation MBMS service that receives of MBMS server, and wherein this method also comprises:
Receive second request that participates in the MBMS service by the MBMS server;
In response to receiving second request, the Temporary Mobile Group Identity (TMGI) that retrieval is stored; With
The TMGI that is retrieved is sent to the source of the second received request.
6. the method for claim 1 also comprises:
Receive the Temporary Mobile Group Identity (TMGI) that transmits by multi-medium broadcast/group broadcast service (MBMS) server by support node;
The storage that this TMGI and the mobile logo relevant with mobile radio station symbol is associated by support node;
After storage TMGI, receive the request of subscribing the MBMS service from mobile radio station by support node;
In response to the request that receives from mobile radio station, by the Temporary Mobile Group Identity (TMGI) of support node retrieval by the support node storage; With
Transmit the TMGI that retrieves by support node to mobile radio station by support node.
7. the method for claim 1 also comprises:
Set up communication session with mobile radio station;
Transmit packet with embedding TMGI wherein to mobile radio station;
After communication session finishes, from the MBMS service, remove the distribution of TMGI by the MBMS server; With
Delete the TMGI that is stored by the MBMS server.
8. multi-medium broadcast/group broadcast service (MBMS) server comprises:
At least one storage device;
Can be operatively coupled to the processor of described at least one storage device, this processor receives the request that participates in the MBMS service, generate Temporary Mobile Group Identity (TMGI) in response to receiving described request, this TMGI is distributed to the MBMS service, store TMGI explicitly so that produce the TMGI of storage at least one storage device neutralization information relevant, and this TMGI is sent to the source of the request that receives with the MBMS service.
9. multi-medium broadcast/group broadcast service (MBMS) server of claim 8, wherein:
Processor is distributed to the MBMS service uniquely with this TMGI.
10. multi-medium broadcast/group broadcast service (MBMS) server of claim 8, wherein: Temporary Mobile Group Identity comprises identifier, this identifier is discerned the MBMS service in the wireless communication system uniquely.
11. multi-medium broadcast/group broadcast service (MBMS) server of claim 8, wherein: by with the mobile logo relevant symbol with mobile radio station and with the relevant support node identifier of support node at least one store TMGI explicitly and create subscription group, processor storage Temporary Mobile Group Identity (TMGI).
12. multi-medium broadcast/group broadcast service (MBMS) server of claim 8, wherein: when the request of the participation MBMS service that receives when the MBMS server was first request of the participation MBMS service that receives of MBMS server, processor generated Temporary Mobile Group Identity (TMGI) by generating TMGI.
13. multi-medium broadcast/group broadcast service (MBMS) server of claim 8, wherein: processor also receives the packet that comprises the MBMS data relevant with the MBMS service, (TMGI) is embedded in the packet Temporary Mobile Group Identity, transmit to a mobile radio station as the part of a communication session and to have the packet that is embedded in TMGI wherein, and after communication session finishes, from the MBMS service, remove the distribution of TMGI and deletion is stored from least one storage device TMGI.
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| US50900903P | 2003-10-06 | 2003-10-06 | |
| US60/509,009 | 2003-10-06 | ||
| US10/945,481 | 2004-09-20 |
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| CN1981464A true CN1981464A (en) | 2007-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2004800015069A Pending CN1981464A (en) | 2003-10-06 | 2004-10-05 | Method and apparatus for assigning a temporary mobile group identity in a multimedia broadcast/multicast service |
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| CN107431830A (en) * | 2015-01-29 | 2017-12-01 | Lg 电子株式会社 | Broadcast singal sends equipment, broadcasting signal receiving, broadcast singal sending method and broadcast signal received method |
| CN107710792A (en) * | 2015-07-10 | 2018-02-16 | 高通股份有限公司 | The technology transmitted for modularization multimedia broadcasting and multicast service (MBMS) |
| CN108370532A (en) * | 2016-04-01 | 2018-08-03 | 华为技术有限公司 | A kind of group communication method, equipment and system |
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- 2004-10-05 CN CNA2004800015069A patent/CN1981464A/en active Pending
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| CN104885485A (en) * | 2012-08-07 | 2015-09-02 | 投石通信有限公司 | System for automatically matching a service requestor with a service provider based on their proximity and establishing a voice call between them |
| CN107431830A (en) * | 2015-01-29 | 2017-12-01 | Lg 电子株式会社 | Broadcast singal sends equipment, broadcasting signal receiving, broadcast singal sending method and broadcast signal received method |
| US10516771B2 (en) | 2015-01-29 | 2019-12-24 | Lg Electronics Inc. | Apparatus for transmitting broadcast signal, apparatus for receiving broadcast signal, method for transmitting broadcast signal and method for receiving broadcast signal |
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| CN107710792A (en) * | 2015-07-10 | 2018-02-16 | 高通股份有限公司 | The technology transmitted for modularization multimedia broadcasting and multicast service (MBMS) |
| CN107710792B (en) * | 2015-07-10 | 2021-07-20 | 高通股份有限公司 | Techniques for modular Multimedia Broadcast and Multicast Service (MBMS) delivery |
| US11297467B2 (en) | 2015-07-10 | 2022-04-05 | Qualcomm Incorporated | Techniques for modular multimedia broadcast and multicast service (MBMS) delivery |
| CN108370532A (en) * | 2016-04-01 | 2018-08-03 | 华为技术有限公司 | A kind of group communication method, equipment and system |
| US10785639B2 (en) | 2016-04-01 | 2020-09-22 | Huawei Technologies Co., Ltd. | Group communication method and system, and device |
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