CN101112020A - Method and system for transmitting/receiving session non-interest indication information of ue in a multimedia broadcast/multicast service system - Google Patents

Method and system for transmitting/receiving session non-interest indication information of ue in a multimedia broadcast/multicast service system Download PDF

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Publication number
CN101112020A
CN101112020A CNA2006800034779A CN200680003477A CN101112020A CN 101112020 A CN101112020 A CN 101112020A CN A2006800034779 A CNA2006800034779 A CN A2006800034779A CN 200680003477 A CN200680003477 A CN 200680003477A CN 101112020 A CN101112020 A CN 101112020A
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China
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mbms
service
session
loseing interest
mbms service
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Inventor
郭鲁濬
海姆科·范德维尔德
李国熙
郑景仁
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

An apparatus and method are provided for transmitting session non-interest indication information for a Multimedia Broadcast/Multicast Service (MBMS) service of a user equipment (UE) in an MBMS system. A serving radio network controller (SRNC) determines whether the UE desires to receive a current session for an MBMS service joined by the UE. The SRNC transmits session non-interest indication information for the MBMS service of the UE to a drift radio network controller (DRNC) according to the determination result. The DRNC includes the UE in an MBMS context for the MBMS service and determines whether to exclude the UE from counting for the MBMS service according to the session non-interest indication information of the UE.

Description

The session of the transmission/reception subscriber equipment method and system of indication information of loseing interest in the multi-medium broadcast/group broadcast service system
Technical field
The present invention relates generally to multi-medium broadcast/group broadcast service (MBMS) service.Specifically, the present invention relates to a kind of method, wherein when detecting subscriber equipment (UE) move to new floating radio network controller (DRNC) during session, whether this UE of service wireless network controller (SRNC) notice DRNC has received session.
Background technology
Along with recent development of Communication Technique, the service that provides in the mobile communication system of utilizing Wideband Code Division Multiple Access (WCDMA) (WCDMA) scheme develops into multimedia broadcasting/communication, it not only can support the traditional voice service, and can support to be used for the packet service and the multimedia service of high capacity data transmission.In order to support multimedia broadcasting/communication, now to provide the MBMS service of serving a plurality of UE to discuss from one or more multi-medium datas source.
Term used herein " MBMS service " is meant the service that same multi-medium data is sent to a plurality of recipients via wireless network.The MBMS service is saved wireless transmission resources by allowing a plurality of recipients to share a wireless channel.The transmission of MBMS service support multi-medium data such as realtime graphic and voice, rest image and text, and can provide speech data and view data simultaneously according to multimedia transmission.For that purpose, the MBMS service needs a large amount of transfer resources.
Fig. 1 is the view that is schematically illustrated in the general mobile communications network node that participates in providing the MBMS service.Here suppose that for example, the MBMS service is applied to third generation partner program (3GPP) system, it is the standard that is used for based on the third generation asynchronous mobile communiation system of global system for mobile communications (GSM) and GPRS (GPRS).
With reference to figure 1, subscriber equipment (UE) 161,162,163,171 and each expression of 172 can receive the terminal equipment or the subscriber (subscriber) of MBMS service, and as the sub-district #1160 and the sub-district #2170 of base station, be physics or the logical services district of each representative of Node B, be used for the data wireless relevant with MBMS sent to the subscriber by respective nodes B control.Radio network controller (RNC) 140 control sub-districts 160 and 170 optionally send to specific cell with multi-medium data, and the wireless channel that control is set up is to provide MBMS service.Being connected by Radio Resource control (RRC) interface between RNC 140 and UE 161,162,163,171 and 172 carried out.
(Serving GPRS Support Node SGSN) 130 is connected to packet switching or packet service (PS) network, such as the internet to RNC 140 by Serving GPRS Support Node.Communicating by letter between RNC 140 and PS network realizes by packet switching (PS) signaling.Specifically, being connected between RNC 140 and SGSN 130 is called as Iu-PS interface.SGSN 130 each subscriber's of control the service relevant with MBMS.The typical model function of SGSN 130 controls comprises the function of the data relevant with service charging of managing each subscriber and the function that optionally sends to specific RNC 140.
The communication path that transit network (transit network) 120 is provided between broadcast multicast services center (BM-SC) 110 and the SGSN 130, and can be via Gateway GPRS Support Node (GatewayGPRS Support Node, GGSN, not shown) be connected to external network.BM-SC 110, as the source of MBMS data, are responsible for the scheduling (scheduling) of MBMS data.
RNC 140 is connected to circuit switching (CS) network by mobile switching centre (MSC) 150.The CS network is represented based on the legacy towards voice (succession) communication network that connects.Communicating by letter between RNC 140 and MSC 150 realizes by circuit switching (CS) signaling.Specifically, being connected between RNC 140 and MSC 150 is called as the Iu-SC interface.
The MBMS data flow that generates from BM-SC 110 arrives UE 161,162,163,171 and 172 through transit network 120, SGSN 130, RNC 140 and Node B or sub-district 160 and 170.
Though not shown in Fig. 1, in other configuration, can provide a plurality of SGSN, and provide a plurality of RNC for each SGSN for MBMS service.The optionally data that each SGSN carries out a plurality of RNC send, and the optionally data that each RNC carries out a plurality of sub-districts send.For this reason, SGSN and RNC storage they should be (for example to the tabulation of the lower level node (lowernodes) of its Data transmission stream, be respectively the tabulation of RNC and the tabulation of sub-district), and only the node that is included in the described tabulation is carried out optionally MBMS data transmission.
Fig. 2 illustrates the wherein view of SRNC and DRNC different situation for particular UE.Just, Fig. 2 shows a kind of like this situation, though the wherein communication of RNC1302 management UE 311 to 314 in mobile communication system, in fact UE 311 to 314 uses the Radio Resource by the RNC2303 management as their location physically.
With reference to figure 2, the node as BM-SC, transit network, MSC and SGSN has been represented in core network (CN) node 301 concentrated areas (collectively).RNC1302 and RNC2303 all are connected to CN node 301.The thread path 331 that has that is used to connect CN node 301 to RNC 302 and 303 is called as the Iu interface, is called as the Iur interface and be used to connect RNC1302 to the thread path 332 that has of RNC2303.Here omitted and be used for directly managing one or more sub-districts and the Node B between RNC2303 and UE311 to 314.RNC2303 is called as Drift Radio Network Controller (DRNC), be used for directly managing wherein one or more sub-districts at UE 311 to 314 places, and RNC1302 is called as Serving RNC (SRNC), is used to control the communication of UE 311 to 314.
Fig. 3 is the view that is illustrated in the MBMS service process between UE and the network.In Fig. 3, BM-SC 206 communicates via RNC 204 and UE 202, and RNC 204 communicates via SGSN (not shown) and BM-SC 206.Though figure 3 illustrates a RNC 204 and a UE 202, embodiments of the invention are not limited thereto, identical process can also be applied to UE and a plurality of RNC that a plurality of expectations receive the MBMS service.
With reference to figure 3, subscribing (subscription) step 210, expectation receives the user of MBMS service, and promptly UE 202, registration oneself in as service provider's BM-SC 206.In this step, BM-SC 206 and UE 202 exchanges and the essential information relevant of chargeing (accounting) with the service reception.
In declaration (announcement) step 220, UE analyzes the essential information of relevant MBMS service.For example, UE finds MBMS identifier (ID), service time started and the duration that is used for distinguishing in the available MBMS service of BM-SC 206.MBMS ID comprises multicast address and APN (APN).In announce step 220, insert the node between BM-SC 206 and the UE 202, i.e. RNC 204, SGSN and transit network, the node of discerning UE 202 and being connected with UE 202.For example, SGSN analyzes the tabulation that expectation receives the UE of MBMS service, and the tabulation of the RNC at UE place, and the MBMS data is only sent to the RNC at UE place based on tabulation.
After the essential information of obtaining about the MBMS service, UE 202 carries out and adds step 230, to receive the MBMS service data of expectation.UE 202 is provided at the MBMS ID of at least one expectation in MBMS ID of obtaining by announce step 220 to BM-SC 206.
In notifying process 240, notify from a phone call UE 202 and be about to begin to inform its MBMS service by UE 202 requests.Just, 240 pairs of notifying process add a plurality of UE execution group's calls (group paging) of MBMS service.
Allocation of radio resources step 250 distributes the Radio Resource between UE 202 and the RNC 204 to serve so that MBMS to be provided, and corresponding information is provided to interdependent node.RNC 204 can be based on the information of the UE quantity of each sub-district that belongs to it and RRM (RRM) function selecting point-to-multipoint (point-to-multipoint, PTM) and in point-to-point (PTP) scheme one.
In data transfer step 260, actual MBMS data are sent to UE 202 via RNC 204.Change information if desired about MBMS service, cryptographic key (ciphering key) for example, then RNC 204 provides new cryptographic key for all UE that receive the MBMS service.
When the MBMS service finished (closing), Radio Resource release steps 270 discharged assigned radio resource, and informs that UE 202 described MBMS Radio Resources are released.Though not shown, in step 250, in the process that receives the MBMS service, UE 202 can ask to interrupt the MBMS service naturally and stop to receive the MBMS service.
For each MBMS service, RNC manages MBMS context (context), has wherein stored the information that receives the UE of MBMS service about expectation.A MBMS service comprises some sessions.Management MBMS context, do not receive the UE that MBMS serves up to MBMS service end or RNC, and no matter the beginning and the end of session, and when new session begins, consider that the quantity that is included in the UE in the MBMS context determines whether to use PTP scheme or PTM scheme to send session.The process of calculating UE quantity is called as computational process.
Fig. 4 illustrates the view that wherein sends the situation of same MBMS service in sub-district #1401 and sub-district #2402.As shown in the figure, can repeat for the identical session of MBMS service, and this is called " session of repetition ".Under the situation of the session that repeats, some UE have received identical session, and RNC gets rid of this UE outside computational process, increases the efficient of Radio Resource thus.
Under the situation of the session of this repetition, though recognizing UE, SRNC received session, when UE had moved to another sub-district by the DRNC management, DRNC was included in this UE in the computational process, shown in reference marker 450.In this case, because in fact UE does not receive session, may be to the wherein MBMS service of preferred PTP scheme of PTM scheme setting, this has just wasted Radio Resource.
Therefore, existence moves to new floating radio network controller (DRNC) and informs whether the described UE of DRNC has received the needs of the method and apparatus of session being used to detect subscriber equipment (UE) during session.
Summary of the invention
Therefore, an object of the present invention is to solve above-mentioned in fact and other problem, and a kind of method and apparatus is provided, wherein when UE moves to the Target cell of being managed by DRNC, SRNC determines in fact whether this UE received session, and object information is offered DRNC.
Another object of the present invention provides a kind of method and apparatus, and wherein when receiving indication UE from SRNC when whether in fact having received the information of session, DRNC gets rid of UE outside computational process, to use Radio Resource effectively.
Aspect according to an embodiment of the invention provides a kind of being used for to send subscriber equipment (UE) to the lose interest in method of indication information of the session of MBMS service in multi-medium broadcast/group broadcast service (MBMS) system.The method comprising the steps of: determine by service wireless network controller (SRNC) whether UE expects to receive the current sessions of the MBMS service that is added by this UE; By SRNC according to determining that the result sends to floating radio network controller (DRNC) with UE to the session of the MBMS service indication information of loseing interest in; And described UE is included in the MBMS context of MBMS service, and determine whether this UE is got rid of outside the calculating of MBMS service according to the session of the UE indication information of loseing interest in by DRNC.
Another aspect provides a kind of and has been used to provide multi-medium broadcast/group broadcast service (MBMS) service to give the MBMS system of subscriber equipment (UE) according to an embodiment of the invention.This MBMS system comprises: service wireless network controller (SRNC) is used to generate session that whether indication UE expect to receive the current sessions of the MBMS service that this UE the adds indication information of loseing interest in; And floating radio network controller (DRNC), be used for from the session that SRNC the receives UE indication information of loseing interest in, and determine whether this UE is got rid of outside the calculating of MBMS service according to this session indication information of loseing interest in.
Description of drawings
By the detailed description below in conjunction with accompanying drawing, above-mentioned and other purpose of embodiments of the invention, feature and advantage will be clearer, wherein:
Fig. 1 is the view that the general networking configuration of MBMS service is shown;
Fig. 2 illustrates the wherein view of SRNC and DRNC different situation for particular UE;
Fig. 3 is the view that the general MBMS service process between UE and the network is shown;
Fig. 4 illustrates the view that wherein same MBMS service is sent to two situations in the neighbor cell;
Fig. 5 is according to the RNC in the state except the CELL_DCH state of first example embodiment of the present invention and the signaling diagram between the UE;
Fig. 6 is according to the RNC in the state except the CELL_DCH state of second example embodiment of the present invention and the signaling diagram between the UE;
Fig. 7 is the flow chart that illustrates according to the demonstration of the SRNC of the signaling diagram of Fig. 5;
Fig. 8 is the flow chart that illustrates according to the demonstration of the SRNC of the signaling diagram of Fig. 6;
Fig. 9 is the flow chart according to the demonstration of the DRNC of first and second example embodiment of the present invention;
Figure 10 is the signaling diagram according to the 3rd example embodiment of the present invention;
Figure 11 is the flow chart that illustrates according to the operation of the SRNC of the 3rd example embodiment of the present invention; And
Figure 12 is the flow chart that illustrates according to the operation of the DRNC of the 3rd example embodiment of the present invention.
In whole accompanying drawings, similar reference number will be understood that to refer to similar part, parts and structure.
Embodiment
Describe example embodiment of the present invention in detail referring now to accompanying drawing.In the following description, for clarity and conciseness, omitted the known function of institute's combination here and the detailed description of configuration.
An aspect of embodiments of the invention provides UE that specific MBMS is served " session interest indication information " from SRNC to DRNC.Here, statement " UE loses interest in to specific MBMS service " has comprised that UE is repeating to send the situation that receives same session under the situation.In addition, statement " UE is interested in specific MBMS service " has comprised that UE never received the situation of this session in the past.
Fig. 5 is according to the UE in the state except CELL_ designated lane (CELL_DCH) state of wherein being in of example embodiment of the present invention, does not promptly have the UE of DCH, moves to the signaling diagram under the situation of another sub-district.
With reference to figure 5, when the height that detects neighbor cell received susceptibility, in step 510, UE 501 sent to cell update message the DRNC 502 of control neighbor cell.In step 520, DRNC 502 transmits message by uplink signalling cell update message is delivered to SRNC 503.
When receiving cell update message, in step 530, SRNC 503 determines the current whether well afoot of MBMS service that UE 501 add, and if MBMS service well afoot, determine then whether UE 501 is receiving the current sessions of MBMS service.
If determine that UE 501 is receiving current sessions, then SRNC 503 does not set the designator of loseing interest in that (or not setting) indication UE 501 is receiving current sessions, and will not set (no-set) designator of loseing interest in and be included in downlink signaling with the service ID of MBMS service and transmit that (Downlink Signaling Transfer is DST) in the message.Here, do not set the designator of loseing interest in and be meant that the designator of will not loseing interest in is included in downlink signaling and transmits the method that the designator of maybe will loseing interest in the message is set at N (denying).
Though if UE 501 adds service, do not receiving current sessions, then SRNC 503 sets the designator of loseing interest in, and it is included in the downlink signaling transmission message with service ID.Here, set the designator of loseing interest in and be meant the method that the designator of loseing interest in is set at Y (being).
In Fig. 5, if 501 pairs of MBMS services of UE S 1 is interested, and MBMS service S2 is lost interest in, then in step 503, SRNC 503 does not set the designator of loseing interest in to S1, and sets the designator of loseing interest in to S2.In step 540, SRNC 503 transmits message with downlink signaling and sends to DRNC 502.
In step 550, DRNC 502 determines to transmit the designator of having set in the message each MBMS service of loseing interest at downlink signaling.If determine to have set the designator of loseing interest in, then DRNC502 is included in UE 501 in the MBMS context, but UE 501 is got rid of outside calculating.But, if determine not set the designator of loseing interest in, and have only service ID to be included in downlink signaling and transmit in the message, then DRNC 502 is included in UE 501 in the MBMS context, also UE 501 is included in the calculating of the transfer mode that is used for definite MBMS service.As a reference, the process that UE is included in the MBMS context used herein is called as " adding " process.
In step 560, DRNC 502 sends to UE 501 with the cell update acknowledge message.Perhaps, DRNC502 can send the cell update acknowledge message after sending uplink signalling transmission message.
Fig. 6 is according to the UE in the state except the CELL_DCH state of wherein being in of example embodiment of the present invention, does not promptly have the UE of DCH, is allowed to move to by the signaling diagram under the situation of the sub-district of DRNC management.
With reference to figure 6, in step 610, SRNC 603 determines whether to allow UE 601 to move to the sub-district of being managed by new DRNC 602, and determines in step 620 whether UE 601 is in fact receiving the session of MBMS service.
If determine that UE 601 is in fact receiving current sessions, then in step 620, SRNC 603 does not set indication UE 601 and is not receiving the designator of loseing interest in of current sessions, and the service ID that will not set designator and the MBMS service of loseing interest in is included in Radio Link and sets up in the message.But, if, do not receiving current sessions though UE 601 adds service, the SRNC 603 settings designator of loseing interest in then, and it is included in Radio Link with service ID sets up in the message.
In step 630, SRNC 603 sets up message with Radio Link and sends to DRNC 602.
In step 640, DRNC 602 determines to set up the designator of whether having set up in the message each independent MBMS service of loseing interest at Radio Link.If set the designator of loseing interest in, then DRNC602 is included in UE 601 in the MBMS context, and UE 601 is got rid of outside calculating.But, if determine not set the designator of loseing interest in, and have only service ID to be included in Radio Link and set up in the message, then DRNC 602 is included in UE 601 in the MBMS context, and UE 601 is included in the calculating of MBMS service.
In step 650, SRNC 603 sets up renewal (Active Set Update) message to send to UE 601 activation, as the result of step 610, switches to allow UE 601 to carry out.
In Fig. 5 and Fig. 6, by way of example, comprise that downlink signaling transmits the designator or set up message from the Radio Link that SRNC sends DRNC and have the form shown in table 1 and the table 2 of loseing interest in of (DST) message, whether the designator of wherein loseing interest in indication UE is receiving current sessions.
Table 1 shows the form according to 1 designator that is used as the designator of loseing interest in of the first embodiment of the present invention.
For example, the designator of loseing interest in=" 1 " (setting up) is though indication UE has added the MBMS service, and this UE is not receiving current sessions.Yet the designator of loseing interest in=" 0 " (not setting up) indication UE is receiving current sessions.For example, the sub-district that the sub-district that 1 designator is used in the initial place of UE and UE will move to aspect sending regularly under the consistent mutually hypothesis, still also is not limited to this in session.
Table 1
The IE/ group name Exist Scope IE type and reference Semantic description The key degree The crucial degree that distributes
MBMS carries (Bearer) service list 0..<maxno of MBMS> GLOBAL Ignore
＞TMGI M 9.2.1.80
＞UE the designator of loseing interest in O 1 If comprise, then UE loses interest in to current sessions
Table 2 shows the session that according to a second embodiment of the present invention the session id with current sessions is included in UE and sets up in the indication information, and to DRNC provide indication UE whether to the method for the interested designator of loseing interest in of the corresponding session of session id.
Even also can use this method when the transmission of the session between the sub-district is regularly inconsistent, but also be not limited to this.Use session id to comprise indication (session ID inclusion indication) as loseing interest in designator, this method can allow DRNC to determine whether UE has received corresponding session.
Table 2
The IE/ group name Exist Scope IE type and reference Semantic description The key degree The crucial degree that distributes
Type of message M 9.2.1.40 Be Refusal
Affairs ID M 9.2.1.59
MBMS carries service list 0..<maxno of MBMS>
＞TMGI M Service id Be Refusal
＞session id O Current sessions, id Be Ignore
Fig. 7 is the flow chart that illustrates according to the demonstration of the SRNC of the signaling diagram of Fig. 5.
With reference to figure 7, in step 700, (Uplink SignalingTransfer, UST) system receives cell update message to SRNC, and in step 710, determines whether cell update message asks inter-RNC to switch from the uplink signalling transmission.
Switch to new RNC if determine request, then in step 720, SRNC checks the quantity n of the MBMS service that UE adds, and index i is set at 0, determines whether i＜n in step 730 then.If determine i 〉=n, then SRNC advances to step 780.But if i＜n, then SRNC serves repeated execution of steps 740 to 770 to all MBMS that UE adds.
Just, in step 740, SRNC checks whether UE is interested in the current sessions of i MBMS service.If determine that UE is interested in the current sessions, promptly UE is receiving current sessions, and then SRNC advances to step 755, does not set the designator of loseing interest in to i MBMS service here.But, though add i MBMS service if determine UE, but current sessions is lost interest in, that is, if UE is not receiving current sessions, then in step 760, SRNC sets the designator of loseing interest in to i MBMS service, and in step 770, the service ID of i MBMS service and the designator of loseing interest in is included in the service list, and i added 1, return step 730 then.
After 770, in step 780, the service list that SRNC will have the form shown in table 1 or the table 2 is included in the DST message, and in step 790, DST message is sent to DRNC at all MBMS service repeating steps 730 that UE is added.
If determine not have request to switch to new DRNC in step 710, then in step 790, SRNC will have DST message and send to DRNC, then end operation.
Fig. 8 is the flow chart according to the demonstration of the SRNC of the signaling diagram of Fig. 6.
With reference to figure 8, in step 800, SRNC determines whether to allow the UE that is in the CELL_DCH state to carry out switching, and in step 810, determines whether to need to carry out switch to new DRNC.
Switch to new DRNC if determine to carry out, then SRNC advances to step 820.Otherwise in step 890, SRNC sends to DRNC with existing wireless link establishment message, then end operation.
In step 820, SRNC checks the quantity n of the MBMS service that UE adds, and index i is set at 0.Afterwards, in step 830, SRNC determines whether i＜n.If determine i 〉=n, then SRNC advances to step 880.But if i＜n, then SRNC serves repeated execution of steps 840 to 870 to all MBMS that UE adds.
Just, in step 850, SRNC checks whether UE is interested in the current sessions of i MBMS service.If determine that UE is interested in the current sessions, promptly UE is receiving current sessions, and then SRNC advances to step 855, does not set the designator of loseing interest in to i MBMS service here.
But, if determine that UE loses interest in to current sessions, though indication UE has added i MBMS service, it is lost interest in to current sessions, promptly, if UE is not receiving current sessions, then in step 860, SRNC sets the designator of loseing interest in to i MBMS service, and in step 870, the service ID of i MBMS service and the designator of loseing interest in are included in the service list, and i is added 1, return step 830 then.
Serve repeating steps 830 after 870 at all MBMS that UE is added, in step 880, the service list that SRNC will have a form shown in table 1 or the table 2 is included in Radio Link and sets up in the message, and in step 890, Radio Link is set up message send to DRNC, then complete operation.
Fig. 9 is the flow chart that the demonstration of DRNC according to the first and second aspects of the present invention is shown.
With reference to figure 9, in step 900, DRNC receives from SRNC downlink signaling transmission (DST) message or the Radio Link of particular UE is set up message, and determines that in step 910 downlink signaling that is received transmits message or Radio Link sets up whether comprise the service list shown in table 1 or the table 2 in the message.If determine not comprise service list, in step 980, DRNC carries out the operation of the DRNC of previous definition.
But if determine to have comprised service list, then in step 920, DRNC checks the quantity n of the MBMS service that UE adds, and index i is set to 0.And determine whether i＜n in step 930.If determine i 〉=n, then DRNC advances to step 980.But if i＜n, then DRNC serves repeated execution of steps 940 to 970 to all MBMS that UE adds.
Just, in step 940, whether DRNC checks the designator of loseing interest in that has been included in i MBMS service initialization in the service list.If determined to i MBMS service initialization the designator of loseing interest in, then DRNC advances to step 960, UE is added (adding) here in the MBMS context of i MBMS service, and this UE is got rid of outside the calculating of the transfer mode that is used for determining that i MBMS serves.
But if definite do not have to set the designator of loseing interest in to i MBMS service, then in step 950, DRNC adds UE in the MBMS context of i MBMS service to, and UE is included in the calculating that i MBMS served.
To after being included in all the MBMS service execution steps 930 to 970 in the service list, in step 980, DRNC carries out based on downlink signaling and transmits the existing operation that message or Radio Link are set up message, complete operation then.
The session of the service of current well afoot or service is interested in the one or more MBMS services whether third embodiment of the present invention indication UE adds this UE, and no matter the mobility of UE.
Figure 10 is the signaling diagram of a third embodiment in accordance with the invention, and wherein UE has added MBMS service S1 and S2.
With reference to Figure 10, in step 1010, SRNC 1003 receives the MBMS modify request messages that comprises the indication information of loseing interest in of MBMS service from UE 1001, and the current sessions that each MBMS that whether this UE is added at step 1020 inspection UE 1001 serves is interested.For example, suppose that 1001 couples of S2 of UE lose interest in Figure 10.
In step 1030, SRNC 1003 sends to DRNC 1002 has indication UE to the MBMS session of the uninterested indication information of loseing interest in of the S2 Indication message that unwinds.
By way of example, the table 3 MBMS session that the shows a third embodiment in accordance with the invention exemplary format of Indication message that unwinds.
Table 3
The IE/ group name Exist Scope The IE type reaches Semantic description The key degree Distribute
Reference The key degree
MBMS carries service list 0..<maxnoof MBMS> GLOBAL Ignore
＞TMGI M 9.2.1.80
＞session id O Current sessions id If comprise, then UE loses interest in to session
As shown in table 3, unwind at least one interim MBMS group id (the Temporary MBMS Group Identify of comprising of Indication message necessity of MBMS session as the MBMS service ID, TMGI), but so that provide MBMS carrying service list (MBMS Bearer Service list) as the indication information of loseing interest in that UE 1001 has been added the service that does not receive to DRNC 1002.In addition, the MBMS session Indication message that unwinds is included in the session id of the current sessions in the MBMS carrying service list, so that send the information that whether the indication UE of each independent MBMS service is being received current sessions.
In step 1040, DRNC 1002 does not carry out comprising calculating UE, that comprise the MBMS service in the MBMS carrying service list, and described MBMS carrying service list is included in the MBMS session that is received and unwinds in the Indication message.
Figure 11 is the flow chart of operation that the SRNC of a third embodiment in accordance with the invention is shown.
With reference to Figure 11, in step 1100, when receiving indication UE from UE to the uninterested MBMS modify request messages of the current sessions of specific MBMS service, in step 1110, SRNC checks the quantity n of the MBMS service that UE adds, and index i is set to is " 0 ", then in step 1120, determine whether i＜n.If determine i 〉=n, then SRNC advances to step 1170.But if i＜n, then SRNC serves repeated execution of steps 1130 to 1160 to all MBMS that UE adds.
That is to say that in step 1130, SRNC checks the MBMS context of i MBMS service, and, determine whether UE is interested in i MBMS service in step 1140.If determine that UE loses interest in to i MBMS, then in step 1150, SRNC is included in the service ID and the session id of i MBMS service in the MBMS carrying service list, and in step 1160 index i is added 1, returns step 1120 then.But if UE is interested in i MBMS service, then SRNC jumps to step 1160.
Definite UE whether to current ongoing all MBMS services interested after, in step 1170, SRNC carries MBMS of service list and is included in the MBMS session and unwinds in the Indication message, and in step 1180, and the MBMS session Indication message that unwinds is sent to DRNC.
Figure 12 is the flow chart of operation that the DRNC of a third embodiment in accordance with the invention is shown.
With reference to Figure 12, in step 1200, DRNC receives from SRNC to have the MBMS session of the MBMS carrying service list of the particular UE Indication message that unwinds.In step 1210, DRNC checks the quantity n that is included in the MBMS service in the MBMS carrying service list, and index i is set at " 0 ".In step 1220, DRNC determines whether i＜n.If determine i 〉=n, then DRNC is at step 1250 end operation.But if determine i＜n, then DRNC serves repeated execution of steps 1230 and 1240 to all MBMS that UE adds.Just, in step 1230, DRNC gets rid of UE outside the calculating of the transfer mode that i the MBMS that is used for determining being included in MBMS carrying service list serves, and in step 1240 index i is added 1, returns step 1220 then.
Be appreciated that from aforementioned description SRNC determines whether UE is interested in the session, and this information is offered DRNC when UE moves to the sub-district of being managed by new RNC.When detecting indication UE to the uninterested information of session, DRNC is not included in this UE in the calculating, increases the efficient of Radio Resource thus.No matter just, embodiments of the invention inform whether the described UE of DRNC is receiving the session of the current service of the service that this UE is added, and the mobility of UE, thereby have increased the efficient of Radio Resource.
Though illustrate and described the present invention with reference to the specific example embodiment of the present invention, but those skilled in the art are to be understood that, under the situation that does not break away from the spirit and scope of the present invention that define by appended claims, can carry out the change on various forms and the details here.

Claims (13)

1. one kind is used for sending subscriber equipment (UE) to the lose interest in method of indication information of the session of MBMS service in multi-medium broadcast/group broadcast service (MBMS) system, and the method comprising the steps of:
Determine by service wireless network controller (SRNC) whether described UE expects to receive the current sessions of the MBMS service that is added by this UE;
By SRNC according to determining that the result sends to floating radio network controller (DRNC) with described UE to the session of the MBMS service indication information of loseing interest in; And
By DRNC described UE is included in the MBMS context of MBMS service, and determines whether this UE is got rid of outside the calculating of MBMS service according to the session of the described UE indication information of loseing interest in.
2. the method for claim 1 also comprises step:
Before determining whether described UE expects to receive the current sessions of the MBMS service that is added by this UE, receive the cell update request by DRNC from this UE by SRNC.
3. the method for claim 1 also comprises step:
Before determining whether described UE expects to receive the current sessions of the MBMS service that is added by this UE, receive the session of the MBMS service indication information of loseing interest in from this UE by SRNC.
4. the method for claim 1, wherein said session indication information of loseing interest in comprises that the described UE of indication does not expect to receive the designator of loseing interest in of current sessions, and the service identifier (ID) of MBMS service.
5. method as claimed in claim 4, wherein said forwarding step may further comprise the steps:
If described UE is receiving the current sessions of MBMS service, then carry out not setting of the described designator of loseing interest in;
If described UE is not receiving the current sessions of MBMS service, then carry out the setting of the described designator of loseing interest in; And
The described designator of loseing interest in is sent to DRNC with the service ID that described MBMS serves.
6. method as claimed in claim 5, wherein said determining step may further comprise the steps:
If set the described designator of loseing interest in, then described UE is got rid of outside the calculating of MBMS service; And
If do not set the described designator of loseing interest in, then described UE is included within the calculating of MBMS service.
7. method as claimed in claim 4, if after wherein the sub-district at place and described UE move before described UE moves between the sub-district at place session send regularly inconsistently substantially, then 1 designator is used as the described designator of loseing interest in.
8. one kind is used to provide multi-medium broadcast/group broadcast service (MBMS) service to give the MBMS system of subscriber equipment (UE), comprising:
Service wireless network controller (SRNC) is used to generate session that whether the described UE of indication expect to receive the current sessions of the MBMS service that this UE the adds indication information of loseing interest in; And
Floating radio network controller (DRNC) is used for from the session that SRNC the receives UE indication information of loseing interest in, and determines whether this UE is got rid of outside the calculating of MBMS service according to this session indication information of loseing interest in.
9. MBMS as claimed in claim 8 system, wherein said SRNC be configured to by DRNC when described UE receives the cell update request, the session that generates this UE indication information of loseing interest in.
10. MBMS as claimed in claim 8 system, wherein said DRNC are configured to determine based on the session that receives from the described UE indication information of loseing interest in whether this UE is receiving current sessions.
11. MBMS as claimed in claim 8 system, the wherein said session indication information of loseing interest in comprises that the described UE of indication does not expect to receive the designator of loseing interest in of current sessions, and the service identifier (ID) of MBMS service.
12. MBMS as claimed in claim 11 system, wherein said SRNC is configured to:
If described UE is receiving current sessions, then carry out not setting of the described designator of loseing interest in;
If described UE is not receiving current sessions, then carry out the setting of the described designator of loseing interest in; And
The described designator of loseing interest in is sent to DRNC with the service ID that described MBMS serves.
13. MBMS as claimed in claim 12 system, wherein said DRNC is configured to:
If set the described designator of loseing interest in, then described UE is got rid of outside the calculating of MBMS service; And
If do not set the described designator of loseing interest in, then described UE is included within the calculating of MBMS service.
CNA2006800034779A 2005-01-28 2006-01-27 Method and system for transmitting/receiving session non-interest indication information of ue in a multimedia broadcast/multicast service system Pending CN101112020A (en)

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