CN101051921A - Control method for realizing multicase and broadcast service in radio communication system - Google Patents

Control method for realizing multicase and broadcast service in radio communication system Download PDF

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Publication number
CN101051921A
CN101051921A CNA2006100750215A CN200610075021A CN101051921A CN 101051921 A CN101051921 A CN 101051921A CN A2006100750215 A CNA2006100750215 A CN A2006100750215A CN 200610075021 A CN200610075021 A CN 200610075021A CN 101051921 A CN101051921 A CN 101051921A
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mbs
processing unit
terminal
sends
face processing
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CN100479537C (en
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陈宏�
徐红梅
刘云中
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2006/003752 priority patent/WO2007112628A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services

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

Abstract

The method includes steps: (1) MBS controller sends MBS request for increasing traffic flow to control surface process unit (CSPU) of MBS server to trigger CSPU of MBS server to send MBS service building up request to MBS signaling process unit; access network sends request for increasing dynamic traffic flow to terminal; (2) terminal returns reply message of increasing dynamic traffic flow, MBS signaling process unit sends MBS traffic building up reply to CSPU of MBS server; (3) CSPU of MBS server returns back reply message of increasing dynamic traffic flow to MBS controller, and carries out message interaction with multicast router to request multicast group to take part in; (4) MBS service data stream is sent to terminal from the multicast router. The method uses resources of core network of other system effectively, and saves spending for operation manager.

Description

Realize the control method of multicast and broadcasting service in the wireless communication system
Technical field
The present invention relates to the control method of a kind of realization multicast and broadcasting service (MBS, Multicast and broadcastservices), this control method is applicable to the IEEE802.16 wireless communication system.
Background technology
MBS is the critical function of a kind of wireless communication system of IEEE802.16 protocol definition.MBS divides single base station to insert and two kinds of situations are inserted in many base stations, and the former is meant multicast and broadcasting service in a base station; The latter is meant that all can receive MAC layer (the Medium Access Control layer) data of the encryption of a plurality of base stations synchronous transmission in descending connection in the terminal that is registered to multicast and broadcasting service on the network-level.The MBS that this paper relates to is exactly multicast and the broadcasting service that this many base stations are inserted.Fig. 1 has shown the process of terminal reception MBS data in 802.16 wireless communication systems.
802.16 the MAC layer of agreement has defined based on Business Stream notion that connects and strict QoS (service quality, Quality of Service) and has guaranteed mechanism.Terminal or network side are set up the MBS Business Stream by initiating DSA (DynamicService Add) process, and multicast that is associated and broadcast data can obtain the QoS that Business Stream provides.According to the characteristics of MBS, therefore the identical data of a plurality of base station synchronization transmission need unified processing unit MBS server (MBS Server) to finish the management of MBS Business Stream and the processing of multicast and broadcast data, comprise segmentation, scheduling etc.
The wireless communication system in past also has pair multicast and broadcasting service support, especially network side is very ripe to the support of multicast and broadcasting service, the existing network architecture can be used as the reference of 802.16 systems, wherein the core net part can directly be used in the connection service network (CSN, ConnectivityService Network) of 802.16 systems.
But because the difference of air interface protocol, the Access Network function of system was different with 802.16 systems in the past, so its implementation is to 802.16 systems and inapplicable.At present, the system architecture that does not still have a kind of complete realization 802.16 agreement MBS functions.In 802.16 systems, the management of Business Stream or connection is extremely important, and being does not have to connect with other not have the complete network of strict qos requirement different.And the characteristics of the unified scheduling of MBS uniform service management and the processing of unicast service are very different.Therefore,, need to realize a kind of rational and effective system architecture, and define the operation flow that a cover meets this system architecture for supporting the MBS function.
Summary of the invention
The technical problem to be solved in the present invention provides the control method that realizes multicast and broadcasting service in a kind of wireless communication system, can effectively utilize the resources of core network of existing other system, for operator pares down expenses.
For solving the problems of the technologies described above, the invention provides the control method that realizes multicast and broadcasting service in a kind of wireless communication system, this method comprises multicast and the broadcasting service MBS connection building process that end side is initiated, this flow process may further comprise the steps:
(a1) terminal obtains the MBS content information, sends dynamic service flow increase request message to Access Network, triggers the MBS Signaling Processing Unit and asks to professional foundation of MBS server controls face processing unit transmission MBS;
(c1) MBS server controls face processing unit is after Certificate Authority and accounting server request mandate are passed through, and MBS server controls face processing unit increases the MBS Business Stream to the request of MBS controller;
(d1) the MBS controller is replied to professional foundation of MBS Signaling Processing Unit transmission MBS by MBS server controls face processing unit, and Access Network sends the dynamic service flow increase to terminal and replys, and carries the MBS group security association information of this MBS business association;
(e1) terminal is returned dynamic service flow to Access Network increases affirmation, and triggering MBS Signaling Processing Unit sends to connect to set up to MBS server controls face processing unit and indicates;
(f1) after MBS server controls face processing unit is received and connected the foundation indication, carry out interacting message with multicast router, request multicast group adds;
(g1) the MBS business data flow sends from multicast router, after MBS server data face processing unit and MBS bag processing unit processes, sends to terminal.
Further, in the step (c1), authorize pass through after, MBS server controls face processing unit is found that this MBS connects and is set up, then carries out following steps:
(d2) directly return professional foundation of MBS and reply, and this terminal is increased in active user's tabulation to the MBS Signaling Processing Unit;
(e2) Access Network is replied to the increase of terminal transmission dynamic service flow, comprises the MBS group security association information of this MBS business association in replying;
(f2) terminal is returned dynamic service flow to Access Network increases affirmation, and utilizes the professional secret key that obtains to receive the MBS business datum.
Further, do not receive group business cipher key under this MBS group security association as terminal, then terminal return to Access Network dynamic service flow increase confirm in, send secret key request message, Access Network returns to terminal with business cipher key by response message.
Further, in the step (g1), MBS server data face processing unit carries out bandwidth scheduling to the MBS business datum unification that multicast router sends, and sends to MBS bag processing unit, sends to terminal behind the MBS bag processing unit group physical frame.
Further, this method comprises that also the MBS that end side is initiated connects the release flow process, and this flow process may further comprise the steps:
(a3) terminal sends the dynamic service flow deletion request message to Access Network, triggers the MBS Signaling Processing Unit and sends the professional release request of MBS to MBS server controls face processing unit;
(b3) MBS server controls face processing unit is judged this terminal, if this terminal is last reception user of this MBS Business Stream, then carries out following steps:
(c3) MBS server controls face processing unit sends MBS Business Stream removal request to the MBS controller;
(d3) the MBS controller returns MBS Business Stream deletion to MBS server controls face processing unit and replys, MBS server controls face processing unit returns professional release of MBS to the MBS Signaling Processing Unit and replys, Access Network sends Business Stream deletion response message to terminal, stops the transmission of this MBS Business Stream;
(e3) MBS server controls face processing unit and multicast router carry out interacting message, and the multicast group is withdrawed from request.
Further, in the step (b3),, then carry out following steps if last reception user that the terminal of the professional release request of MBS is not this MBS Business Stream is initiated in the judgement of MBS server controls face processing unit:
(c4) MBS server controls face processing unit returns professional release of MBS to the MBS Signaling Processing Unit and replys, simultaneously with the deletion from active user's tabulation of this terminal;
(d4) Access Network returns dynamic service flow deletion response message to this terminal.
For solving the problems of the technologies described above, the present invention also provides the control method that realizes multicast and broadcasting service in a kind of wireless communication system, and this method comprises multicast and the broadcasting service MBS connection building process that network side is initiated, and this flow process may further comprise the steps:
(a5) the MBS controller sends the MBS Business Stream to MBS server controls face processing unit increases request, trigger MBS server controls face processing unit and send the professional foundation request of MBS to the MBS Signaling Processing Unit, Access Network sends dynamic service flow to terminal increases request, and carries the MBS group security association information of this MBS business association;
(b5) terminal is returned dynamic service flow to Access Network increases response message, and the MBS Signaling Processing Unit sends professional foundation of MBS to MBS server controls face processing unit and replys;
(c5) MBS server controls face processing unit returns the increase of MBS Business Stream to the MBS controller again and replys, and MBS server controls face processing unit carries out interacting message with multicast router simultaneously, the adding of request multicast group;
(d5) the MBS business data flow sends from multicast router, after MBS server data face processing unit and MBS bag processing unit processes, sends to terminal.
Further, in the step (a5), do not receive group business cipher key under this MBS group security association as terminal, then terminal is in MBS Signaling Processing Unit echo reply message, send secret key request message, Access Network returns to terminal with business cipher key by response message.
Further, in the step (d5), MBS server data face processing unit carries out bandwidth scheduling to the MBS business datum unification that multicast router sends, and sends to MBS bag processing unit, sends to terminal behind the MBS bag processing unit group physical frame.
Further, this method comprises that also the MBS that network side is initiated connects the release flow process, and this flow process may further comprise the steps:
(a6) the MBS controller sends MBS Business Stream removal request to MBS server controls face processing unit, trigger MBS server controls face processing unit and send the professional release request of MBS to the MBS Signaling Processing Unit, Access Network sends the dynamic service flow deletion request message to terminal;
(b6) terminal sends Business Stream deletion response message to Access Network, and the MBS Signaling Processing Unit returns professional release of MBS to MBS server controls face processing unit and replys;
(c6) MBS server controls face processing unit and multicast router carry out interacting message, and the multicast group is withdrawed from request;
(d6) MBS server controls face processing unit returns MBS Business Stream deletion to the MBS controller and replys.
Adopt control method of the present invention can in the 802.16e wireless communication system, effectively realize broadcast/multi broadcast business, and it is multiplexing significantly with multicast, the realization of broadcasting flow process of existing other system, can effectively utilize the resources of core network of existing other system, for operator pares down expenses.The inventive method is guaranteeing under the prerequisite that the MBS business function is realized operation flow have been carried out good optimization, and the flow process complexity is little, weak point consuming time, and it is few to take resource, and it is convenient to realize.In addition, the inventive method is set up by Business Stream and the Authentication Authorization flow process has been carried out effective integration, guarantees that the disabled user can't receive broadcast/multi broadcast business, has guaranteed benefits of operators.
Description of drawings
Fig. 1 is that terminal receives MBS data procedures schematic diagram in 802.16 wireless communication systems;
Fig. 2 is the system architecture diagram of 802.16 wireless communication systems of the present invention;
Fig. 3 is the MBS connection building process figure that embodiment of the invention end side is initiated;
Fig. 4 is the MBS connection building process figure that embodiment of the invention network side is initiated;
Fig. 5 is that embodiment of the invention terminal adds the flow chart that an existing MBS connects;
Fig. 6 is that embodiment of the invention terminal connects the flow chart that withdraws from from MBS;
Fig. 7 is that the MBS that embodiment of the invention end side is initiated connects the release flow chart;
Fig. 8 is that the MBS that embodiment of the invention network side is initiated connects the release flow chart.
Embodiment
Fig. 1 has shown the process of terminal reception MBS data in 802.16 wireless communication systems.Wherein, in a MBS zone 100, comprise 101,102 and 103, two terminals 104 and 105 that receive the MBS data in three adjacent base stations, and the IAD 107 of unified management MBS, thick line 106 is routes that terminal 105 moves.Base station 101,102 and 103 belongs to MBS zone 100, and the three synchronously sends identical MBS data.Terminal 104 and 105 adds same MBS and is connected, and receives identical multicast and broadcast data.The MBS Business Stream of setting up in the IAD 107 unified managements zone 100 sends identical MAC layer MBS packet to three base stations.When terminal 105, need not to rebulid MBS and connect when 102 overlay areas move to 103 overlay areas, base station from the base station on the route 106, that is to say, need not to take place the switching of MBS join dependency.When terminal 105 is between base station 102 and 103 zone, receive the MBS data that two base stations send simultaneously, reach the effect that diversity merges, thereby improve receptivity.
Fig. 2 has shown the realization multicast in 802.16 wireless communication systems and the system architecture diagram of broadcasting service.Signalling exchange between the fine line presentation-entity among the figure, heavy line represent that data transmit, and dotted line is the interactive mode outside this paper limit of consideration.
802.16 wireless communication system comprises terminal 200, access service network 201, visit ground connection service network 202 and ownership place connection service network 203.Wherein, access service network 201 needs to realize the MBS function that defines in 802.16 agreements, and with wireless communication system in the past a great difference is arranged, and is our design focal point therefore.The multicast and the broadcasting service function of connection service network 202 and 203 functions that will finish and existing wireless communication system core net are basic identical, so we advise adopting existing core net to realize the architecture and method of multicast and broadcasting service function.
Access service network 201 comprises four functional entitys: MBS Signaling Processing Unit 204, MBS wrap processing unit 205, MBS server controls face processing unit 206 and MBS server data face processing unit 207.Wherein, MBS server controls face processing unit and MBS Signaling Processing Unit have constituted the signaling plane of Access Network processing MBS business; MBS server data face processing unit and MBS bag processing unit have constituted the data surface of Access Network processing MBS business.
The system architecture that realizes the MBS function in the wireless communication system can effectively be finished the management of MBS Business Stream and the processing of MBS data.The major function of each functional entity of access service network is as follows:
MBS server controls face processing unit is finished the unified chain of command function of handling in MBS zone, comprises that MBS area configurations, service authorization, MBS connect multicast CID (connection identifier (CID, distribution ConnectIdentifier) and MBS key management.
The MBS Signaling Processing Unit is responsible for setting up the resource of MBS join dependency.
The function of MBS server data face processing unit is that the bandwidth that MBS connects is unified scheduling, segmentation and group mac layer frame.
MBS bag processing unit is according to the result group physical layer frame of MBS server data face processing unit.
The interactive mode of each functional entity of access service network is as follows:
MBS server controls face processing unit and MBS Signaling Processing Unit and connection service network are finished service authorization and key distribution alternately.
MBS server controls face processing unit distributes MBS to connect multicast CID, and sends to the MBS Signaling Processing Unit.
The result that MBS server data face processing unit will be unified to handle sends to MBS bag processing unit.
The system architecture of realization MBS function can effectively be finished the management of MBS Business Stream in the wireless communication system that this invention provides, and comprises that service authorization, MBS connect the distribution of multicast CID etc.; Simultaneously, can effectively finish the processing of MBS data, comprise the processing of MBS scheduling, framing, MAC PDU etc.
Visit ground connection service network 202 comprises four functional entitys: multicast and broadcasting service controller 208, multicast and broadcast service content server 209, multicast router 210 and visit ground AAA (authentication, mandate and charging, Authentication, Authorization and Accounting) 212.Multicast and broadcast service content provider 211 may be operator or third party manufacturer.
Ownership place connection service network 203 comprises: ownership place aaa server 213 and user attribute database 214.
The Access Network framework of realization MBS function is handled chain of command and is separated in this wireless communication system with data surface, helps guaranteeing the reliability transmission of chain of command and the real-time transmission of data surface.
The Access Network framework of realizing the MBS function in this wireless communication system is divided into two different functional entitys with the MBS server that 802.16 agreements propose according to chain of command and data surface function, helps the decomposition and the specific implementation of operation flow.
The present invention provides a cover to meet the control method of this system architecture on the basis of this system architecture, can effectively realize the MBS business by this method in 802.16 wireless communication systems.
This control method comprises following flow process:
Flow process one: the MBS connection building process that end side is initiated;
Flow process two: the MBS connection building process that network side is initiated;
Flow process three: terminal adds an existing MBS and connects;
Flow process four: terminal withdraws from from the MBS connection;
Flow process five: the MBS that end side is initiated connects the release flow process;
Flow process six: the MBS that network side is initiated connects the release flow process.
As shown in Figure 3, the MBS connection building process of end side initiation may further comprise the steps:
Step 301: terminal obtains the MBS content information, and sending dynamic service flow to Access Network increases request message (DSA-REQ), and the MBS business is set up in request;
Step 302: Access Network returns confirmation of receipt message (DSX-RVD);
Step 303: the MBS Signaling Processing Unit that is arranged in Access Network sends professional foundation of MBS to MBS server controls face processing unit asks;
Step 304:MBS server controls face processing unit is to aaa server request mandate;
Step 305:AAA server is replied to MBS server controls face processing unit return authorization;
Step 306: as authorize success, MBS server controls face processing unit increases the MBS Business Stream to MBS controller (MBS Controller) request;
Step 307:MBS controller (MBS Controller) returns the increase of MBS Business Stream and replys;
Step 308:MBS server controls face processing unit returns professional foundation of MBS to the MBS Signaling Processing Unit and replys;
Step 309: Access Network sends the dynamic service flow increase to terminal and replys (DSA-RSP), comprises the MBS group security association information (MBS GSA) of this MBS business association in replying;
Step 310: terminal is returned the dynamic service flow increase to Access Network and is confirmed (DSA-ACK), if obtained the group business cipher key (MBS GTEK) under this MBS group security association before the terminal, then execution in step 311, otherwise while execution in step 312;
Step 311: after Access Network received that dynamic service flow increases affirmation (DSA-ACK), the MBS Signaling Processing Unit sends to connect to MBS server controls face processing unit set up indication, and MBS server controls face processing unit is execution in step 314 again;
Step 312: if the terminal group business cipher key (MBS GTEK) under the MBS group security association of this MBS business association not, terminal is when returning dynamic service flow increase affirmation (DSA-ACK) to Access Network, send secret key request message (PKM-REQ), ask the relevant business cipher key (MBS GTEK) of this MBS;
Step 313: Access Network returns to terminal with business cipher key by response message (PKM-RSP), changes execution in step 311 again;
Step 314:MBS server controls face processing unit carries out interacting message with multicast router after receiving and connecting the foundation indication, and request multicast group adds;
Step 315:MBS business data flow mails to MBS server data face processing unit from multicast router;
Step 316:MBS server data face processing unit to the MBS business datum unification carry out bandwidth scheduling, mail to MBS bag processing unit;
Step 317:MBS bag processing unit group physical frame sends to terminal;
As shown in Figure 4, the MBS connection building process of network side initiation may further comprise the steps:
Step 401:MBS controller sends the MBS Business Stream to MBS server controls face processing unit increases request;
Step 402:MBS server controls face processing unit sends professional foundation of MBS to the MBS Signaling Processing Unit and asks;
Step 403: Access Network sends dynamic service flow to terminal increases request message (DSA-REQ), and the MBS business is set up in request, comprises the MBS group security association information (MBS GSA) of this MBS business association in the message;
Step 404: terminal is returned dynamic service flow to Access Network increases response message (DSA-RSP), if received the group business cipher key (MBS GTEK) under this MBS group security association before the terminal, then execution in step 405, otherwise while execution in step 406;
Step 405:MBS Signaling Processing Unit sends professional foundation of MBS to MBS server controls face processing unit and replys, and execution in step 408 again;
Step 406: if the terminal group business cipher key (MBS GTEK) under the MBS group security association of this MBS business association not, terminal is when returning the dynamic service flow increase and replying (DSA-RSP) to Access Network, send secret key request message (PKM-REQ), ask the relevant business cipher key (MBS GTEK) of this MBS;
Step 407: Access Network returns to terminal with business cipher key by response message (PKM-RSP), changes execution in step 405 again;
Step 408:MBS server controls face processing unit returns the increase of MBS Business Stream to MBS controller (MBS Controller) and replys after receiving that the professional foundation of the MBS of MBS Signaling Processing Unit is replied;
Step 409: in step 408, MBS server controls face processing unit and multicast router carry out interacting message, and request multicast group adds;
Step 410:MBS business data flow mails to MBS server data face processing unit from multicast router;
Step 411:MBS server data face processing unit to the MBS business datum unification carry out bandwidth scheduling, mail to MBS bag processing unit;
Step 412:MBS bag processing unit group physical frame sends to terminal;
As shown in Figure 5, existing MBS connection of terminal adding may further comprise the steps:
Step 501: terminal sends dynamic service flow to Access Network increases request message (DSA-REQ), and the MBS business is set up in request;
Step 502: Access Network returns confirmation of receipt message (DSX-RVD);
Step 503: the MBS Signaling Processing Unit in the Access Network sends professional foundation of MBS to MBS server controls face processing unit and asks;
Step 504:MBS server controls face processing unit is to aaa server request mandate;
Step 505:AAA server is replied to MBS server controls face processing unit return authorization;
Step 506:MBS server controls face processing unit is found that this MBS connects and is set up, then directly returns professional foundation of MBS to the MBS Signaling Processing Unit and reply, and this terminal is increased in active user's tabulation;
Step 507: Access Network sends the dynamic service flow increase to terminal and replys (DSA-RSP), comprises the MBS group security association information (MBS GSA) of this MBS business association in replying;
Step 508: terminal is returned the dynamic service flow increase to Access Network and is confirmed (DSA-ACK) if received the affiliated group business cipher key (MBS GTEK) of this MBS group security association before the terminal, and then execution in step 511, otherwise while execution in step 509;
Step 509: if the terminal group business cipher key (MBS GTEK) under the MBS group security association of this MBS business association not, terminal is when returning dynamic service flow increase affirmation (DSA-ACK) to Access Network, send secret key request message (PKM-REQ), ask the relevant business cipher key (MBS GTEK) of this MBS;
Step 510: Access Network returns to terminal with business cipher key by response message (PKM-RSP); Step 511: the business cipher key that the terminal utilization obtains successfully receives the MBS business datum.
As shown in Figure 6, terminal withdraws from MBS and connects flow process and may further comprise the steps:
Step 601: terminal sends dynamic service flow deletion request message (DSD-REQ) to Access Network, and request discharges the MBS business;
Step 602: the MBS Signaling Processing Unit in the Access Network sends professional release of MBS to MBS server controls face processing unit and asks;
Step 603:MBS server controls face processing unit find this terminal be not last of this MBS Business Stream receive user (if last user then with reference to described later " MBS that initiates of end side connect discharge flow process); return professional release of MBS to the MBS Signaling Processing Unit and reply, simultaneously with the deletion from active user's tabulation of this terminal;
Step 604: Access Network returns dynamic service flow deletion response message (DSD-RSP) to terminal;
As shown in Figure 7, the MBS connection release flow process of end side initiation may further comprise the steps:
Step 701: terminal sends dynamic service flow deletion request message (DSD-REQ) to Access Network, and request discharges the MBS business;
Step 702: Access Network returns confirmation of receipt message (DSX-RVD) to terminal;
Step 703: the MBS Signaling Processing Unit that is arranged in Access Network sends professional release of MBS to MBS server controls face processing unit asks;
Step 704:MBS server controls face processing unit finds that this terminal is last reception user (then adopt aforementioned terminals to withdraw from MBS if not last user and connect flow process) of this MBS Business Stream, sends MBS Business Stream removal request to MBS controller (MBS Controller);
Step 705:MBS controller returns the deletion of MBS Business Stream to MBS server controls face processing unit and replys;
Step 706:MBS server controls face processing unit returns professional release of MBS to the MBS Signaling Processing Unit and replys;
Step 707: Access Network sends Business Stream deletion response message (DSD-RSP) to terminal, stops the transmission of this MBS Business Stream;
Step 708:MBS server controls face processing unit and multicast router carry out interacting message, and the multicast group is withdrawed from request;
As shown in Figure 8, the MBS connection release flow process of network side initiation may further comprise the steps:
Step 801:MBS controller (MBS Controller) sends MBS Business Stream removal request to MBS server controls face processing unit;
Step 802:MBS server controls face processing unit sends professional release of MBS to the MBS Signaling Processing Unit and asks;
Step 803: Access Network sends dynamic service flow deletion request message (DSD-REQ) to terminal, requires to discharge the MBS business;
Step 804: terminal sends Business Stream deletion response message (DSD-RSP) to Access Network;
Step 805:MBS Signaling Processing Unit returns professional release of MBS to MBS server controls face processing unit and replys;
Step 806:MBS server controls face processing unit and multicast router carry out interacting message, and the multicast group is withdrawed from request;
Step 807:MBS server controls face processing unit returns the deletion of MBS Business Stream to the MBS controller and replys.
Adopt control method provided by the invention, can in the 802.16e wireless communication system, effectively realize broadcast/multi broadcast business, and realize multiplexing to visit ground connection service network and ownership place connection service network to a great extent with multicast, the broadcasting flow process of existing other system, can effectively utilize the resources of core network of visit ground connection service network and ownership place connection service network, for operator pares down expenses.The control method of " terminal add existing MBS connect " provided by the invention and " terminal be connected from MBS withdraw from " under the prerequisite of guaranteeing the realization of MBS business function, has been carried out good optimization to operation flow, the flow process complexity is little, weak point consuming time, it is few to take resource, and it is convenient to realize.Control method provided by the invention is set up Business Stream and the Authentication Authorization flow process has been carried out effective integration, guarantees that the disabled user can't receive broadcast/multi broadcast business, has guaranteed benefits of operators.”

Claims (10)

1, realize the control method of multicast and broadcasting service in a kind of wireless communication system, this method comprises multicast and the broadcasting service MBS connection building process that end side is initiated, and this flow process may further comprise the steps:
(a1) terminal obtains the MBS content information, sends dynamic service flow increase request message to Access Network, triggers the MBS Signaling Processing Unit and asks to professional foundation of MBS server controls face processing unit transmission MBS;
(c1) MBS server controls face processing unit is after Certificate Authority and accounting server request mandate are passed through, and MBS server controls face processing unit increases the MBS Business Stream to the request of MBS controller;
(d1) the MBS controller is replied to professional foundation of MBS Signaling Processing Unit transmission MBS by MBS server controls face processing unit, and Access Network sends the dynamic service flow increase to terminal and replys, and carries the MBS group security association information of this MBS business association;
(e1) terminal is returned dynamic service flow to Access Network increases affirmation, and triggering MBS Signaling Processing Unit sends to connect to set up to MBS server controls face processing unit and indicates;
(f1) after MBS server controls face processing unit is received and connected the foundation indication, carry out interacting message with multicast router, request multicast group adds;
(g1) the MBS business data flow sends from multicast router, after MBS server data face processing unit and MBS bag processing unit processes, sends to terminal.
2, control method as claimed in claim 1 is characterized in that: in the step (c1), authorize pass through after, MBS server controls face processing unit is found that this MBS connects and is set up, then carries out following steps:
(d2) directly return professional foundation of MBS and reply, and this terminal is increased in active user's tabulation to the MBS Signaling Processing Unit;
(e2) Access Network is replied to the increase of terminal transmission dynamic service flow, comprises the MBS group security association information of this MBS business association in replying;
(f2) terminal is returned dynamic service flow to Access Network increases affirmation, and utilizes the professional secret key that obtains to receive the MBS business datum.
3, control method as claimed in claim 1 or 2, it is characterized in that: do not receive group business cipher key under this MBS group security association as terminal, then terminal is when returning dynamic service flow increase affirmation to Access Network, send secret key request message, Access Network returns to terminal with business cipher key by response message.
4, control method as claimed in claim 1, it is characterized in that: in the step (g1), MBS server data face processing unit carries out bandwidth scheduling to the MBS business datum unification that multicast router sends, and sends to MBS bag processing unit, sends to terminal behind the MBS bag processing unit group physical frame.
5, control method as claimed in claim 1 is characterized in that: this method comprises that also the MBS that end side is initiated connects the release flow process, and this flow process may further comprise the steps:
(a3) terminal sends the dynamic service flow deletion request message to Access Network, triggers the MBS Signaling Processing Unit and sends the professional release request of MBS to MBS server controls face processing unit;
(b3) MBS server controls face processing unit is judged this terminal, if this terminal is last reception user of this MBS Business Stream, then carries out following steps:
(c3) MBS server controls face processing unit sends MBS Business Stream removal request to the MBS controller;
(d3) the MBS controller returns MBS Business Stream deletion to MBS server controls face processing unit and replys, MBS server controls face processing unit returns professional release of MBS to the MBS Signaling Processing Unit and replys, Access Network sends Business Stream deletion response message to terminal, stops the transmission of this MBS Business Stream;
(e3) MBS server controls face processing unit and multicast router carry out interacting message, and the multicast group is withdrawed from request.
6, control method as claimed in claim 5 is characterized in that: in the step (b3), if last reception user that the terminal of the professional release request of MBS is not this MBS Business Stream is initiated in the judgement of MBS server controls face processing unit, then carry out following steps:
(c4) MBS server controls face processing unit returns professional release of MBS to the MBS Signaling Processing Unit and replys, simultaneously with the deletion from active user's tabulation of this terminal;
(d4) Access Network returns dynamic service flow deletion response message to this terminal.
7, realize the control method of multicast and broadcasting service in a kind of wireless communication system, this method comprises multicast and the broadcasting service MBS connection building process that network side is initiated, and this flow process may further comprise the steps:
(a5) the MBS controller sends the MBS Business Stream to MBS server controls face processing unit increases request, trigger MBS server controls face processing unit and send the professional foundation request of MBS to the MBS Signaling Processing Unit, Access Network sends dynamic service flow to terminal increases request, and carries the MBS group security association information of this MBS business association;
(b5) terminal is returned dynamic service flow to Access Network increases response message, and the MBS Signaling Processing Unit sends professional foundation of MBS to MBS server controls face processing unit and replys;
(c5) MBS server controls face processing unit returns the increase of MBS Business Stream to the MBS controller again and replys, and MBS server controls face processing unit carries out interacting message with multicast router simultaneously, the adding of request multicast group;
(d5) the MBS business data flow sends from multicast router, after MBS server data face processing unit and MBS bag processing unit processes, sends to terminal.
8, control method as claimed in claim 7, it is characterized in that: in the step (a5), do not receive group business cipher key under this MBS group security association as terminal, then terminal is in MBS Signaling Processing Unit echo reply message, send secret key request message, Access Network returns to terminal with business cipher key by response message.
9, control method as claimed in claim 7, it is characterized in that: in the step (d5), MBS server data face processing unit carries out bandwidth scheduling to the MBS business datum unification that multicast router sends, and sends to MBS bag processing unit, sends to terminal behind the MBS bag processing unit group physical frame.
10, control method as claimed in claim 7 is characterized in that, this method comprises that also the MBS that network side is initiated connects the release flow process, and this flow process may further comprise the steps:
(a6) the MBS controller sends MBS Business Stream removal request to MBS server controls face processing unit, trigger MBS server controls face processing unit and send the professional release request of MBS to the MBS Signaling Processing Unit, Access Network sends the dynamic service flow deletion request message to terminal;
(b6) terminal sends Business Stream deletion response message to Access Network, and the MBS Signaling Processing Unit returns professional release of MBS to MBS server controls face processing unit and replys;
(c6) MBS server controls face processing unit and multicast router carry out interacting message, and the multicast group is withdrawed from request;
(d6) MBS server controls face processing unit returns MBS Business Stream deletion to the MBS controller and replys.
CNB2006100750215A 2006-04-04 2006-04-04 Control method for realizing multicase and broadcast service in radio communication system Expired - Fee Related CN100479537C (en)

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