CN100466757C - System for providing multicasting service in WiWAX mobile communication system - Google Patents
System for providing multicasting service in WiWAX mobile communication system Download PDFInfo
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- CN100466757C CN100466757C CNB2006100655526A CN200610065552A CN100466757C CN 100466757 C CN100466757 C CN 100466757C CN B2006100655526 A CNB2006100655526 A CN B2006100655526A CN 200610065552 A CN200610065552 A CN 200610065552A CN 100466757 C CN100466757 C CN 100466757C
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 7
- 238000007726 management method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009432 framing Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 2
- 239000002674 ointment Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- 235000021186 dishes Nutrition 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4006—Conversion to or from arithmetic code
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
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Abstract
The disclosed MB service system in WiMAX mobile communication system comprises: at least one MB service area, a MB server, a MB content providing server, a MB content server, and a MB controller. This invention divides primary BS and salve BS from one MBSZone to support macro-diversity function, and shares wireless and network side channels to save resource.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of system that the multicast service is provided in the WiMAX mobile communication system.
Background technology
WiMAX (global inserting of microwave interoperability forum, Worldwide Interoperability forMicroware Access Forum) is a broadband wireless access (Broadband Wireless Access, a BWA) technology.The existing network architecture of WiMAX system is divided into following three layers as shown in Figure 1:
ASN (Access Service Network, access service network);
CSN (Connectivity Service Network, connectivity serving network);
ASP (Application Service Provider, application service provider) network/Internet.
ASN is a series of network functional entities that wireless access is provided for the user, comprises BS (BaseStation, base station) and ASN-GW (Access Service Network Gateway, access service network gateway).The function of ASN comprises:
Provide the layer 2 between MSS (Mobile Subscriber Station, mobile subscriber station) and the BS to be connected; The agency transmits AAA (Authentication, Authorization, and Accounting, authentication, mandate, accounting server) message to the user attaching network, is used for authentication, mandate and charging; Find and select suitable NSP (Network Service Provider, Internet Service Provider) to be linked into the WiMAX service providing system; Connect setting up for user's layer 3 provides relay function (as, IP address assignment); Radio Resource is managed etc.
CSN provides IP internuncial a series of network functional entities for the user.The function of CSN comprises:
The IP address assignment of MSS; The access of Internet; Act on behalf of AAA () and ownership AAA (HomeAAA) function; Strategy and control based on user Profile; Support the ASN-CSN tunnel; Clearing between user's charging and the operator; Tunnel between the Inter-CSN of support roaming function; Support Inter-ASN mobility etc.
The third party supplier of customer service or application is called application service provider ASP; The network that the application service provider is set up is called the ASP network; Internet, i.e. the Internet.
Multicast stream can be broadcasted in a multicast zone (being referred to as MBS Zone), can receive the multicast service (Multicast BroadcastService, multicast and broadcast service) in the MBS Zone after the user's registration in this MBSZone.When MSS moves to another BS from a BS in a MBS Zone, then MSS does not need to rebulid and connects the control multicast service.
In order to strengthen the receptivity of MSS, need to support grand diversity (macro diversity) function to guarantee that the multicast service transmission in one group of BS is synchronous.
The present network architecture of WiMAX only can provide unicast services to MSS, relies on the existing technology of packet domain that the multi-case data business can't be provided.The standard of eating dishes without rice or wine of WiMAX has only been mentioned the notion of MBS business and grand diversity, does not define the implementation of MBS business and grand diversity.
Summary of the invention
Technical problem to be solved by this invention is, a kind of system that the multicast service is provided in the WiMAX mobile communication system is provided, and is implemented in the multicast service is provided in the WiMAX system.
The invention provides a kind of system that the multicast service is provided in the WiMAX mobile communication system, be used for providing multicast service for mobile subscriber station, comprising in the WiMAX system that comprises access service network and connectivity serving network:
At least one multicast service area, delimit in access service network, each multicast service area comprises that a dominant base and at least one are from the base station, mobile subscriber's station information under safeguarding separately respectively in the scope, the base station controller BSC of dominant base correspondence/Packet Control Function PCF is as main BSC/PCF, from the BSC/PCF of base station correspondence as from BSC/PCF, wherein, comprise the multicast service scheduling entity among the main BSC/PCF, the scheduling and the framing that are used for cast service data under the grand diversity are guaranteed the transmitting synchronous of the multi-case data under each base station in the multicast service area;
Multicast server is set up in access service network gateway, is used for writing down the base station information of multicast service area, described multicast service area of management and control and BSC/PCF thereof;
Multicast content provides server, sets up in connectivity serving network, is used to provide the multicast service content;
The multicast content server is set up in connectivity serving network, is used to receive the multicast content that multicast content provides server to provide, and is transmitted to described main BSC/PCF through described access service network gateway;
The multicast controller, set up in connectivity serving network, be used for the content that auxiliary described mobile subscriber station acquisition can be subscribed to, and management provides the content delivery of server to the multicast content server from multicast content, and the content delivery that starts and stop the multicast content server
Wherein, described access service network gateway under the management and control of multicast server, mails to main BSC/PCF with specific cast service data, and main BSC/PCF is to providing cast service data from BSC/PCF.
Described system further comprises:
Multicast router is connected between described multicast content server and the access service network gateway, is used for cast service data is sent to access service network gateway from the multicast content server.
Comprise in the described connectivity serving network:
Aaa server is connected between multicast controller and the access service network gateway, is used for multicast service is carried out authentication, authorizes charging.
Technology of the present invention is compared with prior art, can fill the blank of prior art, and the system that realizes the multicast service is provided in the WiMAX system, makes MSS can obtain multicast service.This invention can be shared wireless side and network channels preferably by marking off main BS and support grand diversity feature from BS in a MBS Zone, economizes on resources.
Description of drawings
Fig. 1 is the existing schematic network structure of WiMAX system;
Fig. 2 is the schematic network structure of system of the present invention;
Fig. 3 is the schematic diagram of multicast zone MBS Zone in the system of the present invention.
Embodiment
The present invention proposes a kind of system that multicast is provided, be applied in the WiMAX system.The network reference model of WiMAX system multicast service as shown in Figure 2.
This model mainly contains following characteristics:
1. in ASN-GW, increase MBS server (MBS Server), finish multicast service relevant control and management, as, MBS connection identifier (MBS CID, MBS Connection IDentifier) distributes, the multicast service mandate.The MBS server admin is to liking BSC/PCF (Base StationController/Packet Control Function, base station controller/Packet Control Function), and management MBSZone does not distinguish the user, only writes down BS information, and BS safeguards MSS information.
2. as shown in Figure 3, determine a main BS in a MBS Zone, corresponding BSC/PCF is called main BSC/PCF (Master BSC/PCF), and other BS conduct is from BS, and corresponding BSC/PCF is called from BSC/PCF (Slave BSC/PCF).Main BSC/PCF in the MBS Zone can fix according to concrete implementation strategy difference, also can be flexible configuration.In main BSC/PCF, increase multicast service scheduler program (MBS Scheduler) entity, finish functions such as multicast service scheduling, framing under the grand diversity.By the multicast service scheduler program cast service data in the MBS Zone is carried out centralized dispatching, guarantee the transmitting synchronous of the multi-case data under each BS in the MBS Zone, promptly only mail to main BSC/PCF for specific multicast flow data ASN-GW, ASN-GW also only sets up the R6 tunnel with main BSC/PCF, only need carry out the R6 Signalling exchange from BSC/PCF with ASN-GW, do not need to set up the R6 tunnel, main BSC/PCF by the R8 tunnel to multicast stream is provided from BSC/PCF, guarantee under MBS Zone of MSS that when mobile, the MBS program of watching does not interrupt.
3. increase MBS content providing server (MBS Content Provider), promptly the supplier of MBS content or source can be provided by operator.
4. increase MBS content server (MBS Content Server), for the access user of WiMAX system provides the multicast content service.The MBS content server can receive the multicast content that different MBS content providers provides, and they are merged and handle, and is transmitted to main BSC/PCF by ASN-GW then.
5. increase MBS controller (MBS Controller), the content that auxiliary MSS acquisition can be subscribed to, and the content delivery of management from MBS content supplier to the MBS content server; And the content delivery that starts and stop the MBS content server.
6. multicast router (MR), this consists of optionally.If adopt tunnel transmission between MBS content server and the ASN-GW, then can omit MR.
7. at the original AAA of system, increase authentication, mandate and the billing function of MBS business.
Simply, the MBS operation flow comprises following basic step:
Step 1.MSS inserts the success of WiMAX network;
Step 2.MSS obtains the IP address of MBS controller;
Step 3.MSS visit MBS controller, the content information of request multicast service;
The foundation of step 4. multicast bearer path;
Step 5. transmission multicast Media Stream;
Other MSS of step 6. add the multicast service of building up;
The release of step 7. multicast bearer path.
But according to initiator's difference of operation flow, the foundation and the dispose procedure of multicast bearer path are different, and the applicant will describe in detail in follow-up invention.
System of the present invention has increased effective multicast service function in the WiMAX system, has filled the existing technological gap of WiMAX, fully conserve network resources.By dividing MBS Zone, and determine main BS in MBS Zone, control the transmission that MBS flows to other BS MSS down in the MBS Zone, thereby guarantee MSS under a MBS Zone when mobile, assurance MBS business is not interrupted.The division of MBS Zone can be overlapping, and promptly a BS can belong to a plurality of MBS Zone, like this, guaranteed better MSS stride BS when moving the MBS business do not interrupt.
The above only is preferred embodiment of the present invention, and purpose is to make those skilled in the art can make or use the present invention.The various modifications of these embodiment are conspicuous for a person skilled in the art, and Ding Yi rule can be applied among other embodiment and not use creativity here.Therefore, the embodiment that the present invention is not limited to illustrate here, and be applicable to and meet here the principle the most wide in range scope consistent with novel feature that discloses.
Claims (5)
1, a kind of system that the multicast service is provided in the WiMAX mobile communication system is used for providing multicast service in the WiMAX system that comprises access service network and connectivity serving network for mobile subscriber station, it is characterized in that, comprising:
At least one multicast service area, delimit in access service network, each multicast service area comprises that a dominant base and at least one are from the base station, mobile subscriber's station information under safeguarding separately respectively in the scope, the base station controller BSC of dominant base correspondence/Packet Control Function PCF is as main BSC/PCF, from the BSC/PCF of base station correspondence as from BSC/PCF, wherein, comprise the multicast service scheduling entity among the main BSC/PCF, the scheduling and the framing that are used for cast service data under the grand diversity are guaranteed the transmitting synchronous of the multi-case data under each base station in the multicast service area;
Multicast server is set up in access service network gateway, is used for writing down the base station information of multicast service area, described multicast service area of management and control and BSC/PCF thereof;
Multicast content provides server, sets up in connectivity serving network, is used to provide the multicast service content;
The multicast content server is set up in connectivity serving network, is used to receive the multicast content that multicast content provides server to provide, and is transmitted to described main BSC/PCF through described access service network gateway;
The multicast controller, set up in connectivity serving network, be used for the content that auxiliary described mobile subscriber station acquisition can be subscribed to, and management provides the content delivery of server to the multicast content server from multicast content, and the content delivery that starts and stop the multicast content server
Wherein, described access service network gateway under the management and control of multicast server, mails to main BSC/PCF with specific cast service data, and main BSC/PCF is to providing cast service data from BSC/PCF.
2, the system as claimed in claim 1 is characterized in that, further comprises:
Multicast router is connected between described multicast content server and the access service network gateway, is used for cast service data is sent to access service network gateway from the multicast content server.
3, the system as claimed in claim 1 is characterized in that, comprises in the described connectivity serving network:
Aaa server is connected between multicast controller and the access service network gateway, is used for multicast service is carried out authentication, authorizes charging.
4, the system as claimed in claim 1 is characterized in that, described access service network gateway and main BSC/PCF set up the R6 tunnel and transmit data, and with carry out the R6 Signalling exchange from BSC/PCF.
5, the system as claimed in claim 1 is characterized in that, described main BSC/PCF is by setting up the R8 tunnel to providing cast service data from BSC/PCF.
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| CNB2006100655526A CN100466757C (en) | 2006-03-22 | 2006-03-22 | System for providing multicasting service in WiWAX mobile communication system |
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| CNB2006100655526A CN100466757C (en) | 2006-03-22 | 2006-03-22 | System for providing multicasting service in WiWAX mobile communication system |
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| CN100466757C true CN100466757C (en) | 2009-03-04 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009062355A1 (en) * | 2007-11-12 | 2009-05-22 | Zte Corporation | Method for sending multicast and broadcast service media access control layer protocol data unit |
| CN101572859A (en) | 2008-04-30 | 2009-11-04 | 中兴通讯股份有限公司 | Synchronized method of common control information among network elements |
| CN101656615B (en) * | 2008-08-23 | 2012-02-22 | 华为技术有限公司 | Method, devices and system for managing multicast broadcasting service |
| CN103560909B (en) * | 2013-10-24 | 2016-08-17 | 杭州华三通信技术有限公司 | Region access control list item maintaining method and device |
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| CN1450752A (en) * | 2002-04-09 | 2003-10-22 | 华为技术有限公司 | Method for realizing multicast business based on universal land radio insertion network interface |
| US20050075107A1 (en) * | 2003-06-09 | 2005-04-07 | Jun Wang | Method and apparatus for broadcast application in a wireless communication system |
| US20050090273A1 (en) * | 2003-08-08 | 2005-04-28 | Haipeng Jin | Header compression enhancement for broadcast/multicast services |
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Patent Citations (5)
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| US20030073453A1 (en) * | 2001-10-11 | 2003-04-17 | Henrik Basilier | Systems and methods for multicast communications |
| CN1437367A (en) * | 2002-02-09 | 2003-08-20 | 华为技术有限公司 | Multicast business realizing method in mobile network |
| CN1450752A (en) * | 2002-04-09 | 2003-10-22 | 华为技术有限公司 | Method for realizing multicast business based on universal land radio insertion network interface |
| US20050075107A1 (en) * | 2003-06-09 | 2005-04-07 | Jun Wang | Method and apparatus for broadcast application in a wireless communication system |
| US20050090273A1 (en) * | 2003-08-08 | 2005-04-28 | Haipeng Jin | Header compression enhancement for broadcast/multicast services |
Non-Patent Citations (2)
| Title |
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| 802.16e Part 16: Air Interface for Fixed andMobileBroadbandWireless Access Systems. IEEE Standard for Local and metropolitan area networks, 802.16e. 2006 * |
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