WO2009021418A1 - Procédé d'accès à un service de multidiffusion multimédia sous une architecture à évolution à long terme - Google Patents

Procédé d'accès à un service de multidiffusion multimédia sous une architecture à évolution à long terme Download PDF

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Publication number
WO2009021418A1
WO2009021418A1 PCT/CN2008/071353 CN2008071353W WO2009021418A1 WO 2009021418 A1 WO2009021418 A1 WO 2009021418A1 CN 2008071353 W CN2008071353 W CN 2008071353W WO 2009021418 A1 WO2009021418 A1 WO 2009021418A1
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WO
WIPO (PCT)
Prior art keywords
broadcast multicast
multicast service
multimedia broadcast
mbms
node
Prior art date
Application number
PCT/CN2008/071353
Other languages
English (en)
Chinese (zh)
Inventor
Lirong Shi
Hengxing Zhai
Original Assignee
Zte Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zte Corporation filed Critical Zte Corporation
Publication of WO2009021418A1 publication Critical patent/WO2009021418A1/fr

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Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/58—Message adaptation for wireless communication
    • 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
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements

Definitions

  • the mobile communication long term evolution in multimedia broadcast multicast service architecture Technical Field
  • the present invention relates to a method for accessing a communication or collar, and in particular, relates to a 3GPP (The 3 rd Generation Partnership Project , the third mobile communication ⁇ ⁇ Partnership Project) proposed Multimedia Broadcast Multicast Service (MBMS) access method under the Long Time Evolution (LTE) architecture.
  • 3GPP The 3 rd Generation Partnership Project , the third mobile communication ⁇ ⁇ Partnership Project
  • MBMS Multimedia Broadcast Multicast Service
  • LTE Long Time Evolution
  • EUTRAN Evolved UTRAN: A next-generation wireless access network that provides higher uplink and downlink rates, lower transmission delays, and more reliable wireless transmission.
  • MME Mobility Management Entity: Control plane function entity, responsible for managing and storing UE (User Equipment) context (such as UE identity, mobility management status, user security parameters, etc.), assigning temporary identifiers to users, and locating UEs. It is responsible for authenticating the user in the tracking area or the network.
  • UE User Equipment
  • UE context such as UE identity, mobility management status, user security parameters, etc.
  • assigning temporary identifiers to users and locating UEs. It is responsible for authenticating the user in the tracking area or the network.
  • SAE GW User plane function entity, user plane data routing processing, divided into Serving and PDN (external data network).
  • Serving SAE GW is the mobile pot point between the SAE system and the traditional 3 GPP system and the mobile pot point between the e-Node B;
  • PDN SAE GW terminates the downlink data of the UE in idle state, when the downlink data sent to the UE arrives At the same time, paging is initiated, and the context of the UE, such as IP bearer service parameters and network internal routing information, is managed and stored.
  • the LTE/SAE network has the functions of activating, maintaining, and deactivating bearers, and continuously providing data services for mobile users.
  • 3GPP proposes to use MBMS (Multimedia Broadcast Multicast Service) on the SAE/LTE architecture and based on WCDMA (Wideband Code Division Multiple Access) system.
  • MBMS Multimedia Broadcast Multicast Service
  • WCDMA Wideband Code Division Multiple Access
  • MBMS radio network controller
  • Node Bs base stations
  • Data integration at the physical layer can be performed to improve the reception of the MBMS service.
  • the RNC also has functions such as resource scheduling to implement service data transmission of multiple MBMS services in the RNC and subordinate base stations, and perform reasonable resource allocation and scheduling to optimize radio resources.
  • MBMS of the SAE/LTE system a similar entity is needed to implement functions such as node synchronization and resource coordination.
  • 3GPP proposes to introduce an MBMS-GW re-enactment entity in the SAE/LTE architecture.
  • This entity acts as a node between the BM-SC (Broadcast and Multicast Service Center) and the e-Node B.
  • the access gateway of the network is responsible for processing user data related messages and session related signaling, does not involve wireless network parameters, and can also implement synchronization between MBMS-GW and e-Node B.
  • the BM-SC is connected to the Content Provider/Multicast Broadcast Source to complete data aggregation.
  • MCE MBMS Coordination Entity
  • MCE MBMS Coordination Entity
  • LTE MBMS is related to MBSFN (MBMS Single Frequency Network) 4:
  • MBSFN sync area All base stations in a MBSFN sync area can synchronize and perform MBSFN transmission.
  • the MBSFN sync area supports one or more MBSFN areas. At a given frequency level, a base station belongs to only one MBSFN sync area.
  • the MBSFN sync area is independent of the MBMS service area.
  • MBSFN transmission Simultaneous transmission of the same waveform from multiple cells, MBSFN transmission on the MBSFN area can be seen by the user as transmission from the same source.
  • MBSFN area One MBSFN area contains a group of cells in the MBSFN synchronization area, and these cells can perform MBSFN transmission.
  • One cell in the MBSFN synchronization area can be multiple Part of the MBSFN area, and each MBSFN area can be distinguished by different transmission content and participating cell power ports.
  • the introduction of these concepts enables MBMS service transmission in SAE/LTE to be divided into two categories: one is MBSFN transmission and the other is non-MBSFN transmission.
  • the MBSFN area is actually an area that can adjust its own size according to the location and number of users. It can be static or dynamic, and is set according to the attributes of the service.
  • the MCE For a certain MBMS service, the MCE needs to select the appropriate resources, including parameters such as frequency and time, to construct an appropriate MBSFN for MBSFN transmission. For multiple MBMS services, the MCE needs to coordinate its corresponding multiple MBSFN transmissions, including MBSFN area size, use of wireless resources, etc., in order to be able to use resources reasonably and efficiently.
  • LTE MBMS architecture solutions Based on the characteristics of MBMS in SAE/LTE mentioned above, various vendors and operators have proposed corresponding LTE MBMS architecture solutions. The two current important solutions are: (1) NTT DoCoMo, T-Mobile, Orange and other supported Lightweight architectures proposed by NSN (shown in Figure 2); (2) Ericsson's proposed LTE MBMS architecture ( Figure 3 ).
  • the present invention aims to provide an MBMS access method in an LTE architecture.
  • the MBMS access method in the LTE architecture includes: the broadcast multicast center sends a session start message to the multimedia broadcast multicast service gateway; the multimedia broadcast multicast service gateway allocates the user plane resource and the IP multicast address, and The multimedia broadcast multicast service coordination function entity sends a session start message; the multimedia broadcast multicast service coordination function entity performs a coordinated decision of the radio resources, and sends a session start message to the e-Node B; the e-Node B joins the multicast group.
  • the session start message sent by the broadcast multicast center to the multimedia broadcast multicast service gateway may include indication information about whether to perform radio resource coordination. In this way, the multimedia broadcast multicast service coordination function entity performs coordinated decision of the wireless resource according to the indication information.
  • the multimedia broadcast multicast service coordination function entity performs the coordinated decision of the wireless resource according to the cell configuration.
  • the session start message sent by the multimedia broadcast multicast service gateway to the multimedia broadcast multicast service coordination function entity includes an IP multicast address. Accordingly, the e-Node B force. Enter the multicast group corresponding to the IP multicast address.
  • the session start message sent by the multimedia broadcast multicast service coordination function entity to the e-Node B includes the radio resource coordination result.
  • FIG. 1 is a schematic diagram of an SAE architecture according to the prior art
  • FIG. 2 is a schematic diagram of an MBMS (Lightweight) architecture based on the SAE/LTE network architecture according to the prior art
  • FIG. 1 is a schematic diagram of an SAE architecture according to the prior art
  • FIG. 2 is a schematic diagram of an MBMS (Lightweight) architecture based on the SAE/LTE network architecture according to the prior art
  • FIG. 1 is a schematic diagram of an SAE architecture according to the prior art
  • FIG. 2 is a schematic diagram of an MBMS (Lightweight) architecture based on the SAE/LTE network architecture according to the prior art
  • FIG. 1 is a schematic diagram of an SAE architecture according to the prior art
  • FIG. 2 is a schematic diagram of an MBMS (Lightweight) architecture based on the SAE/LTE network architecture according to the prior art
  • FIG. 1 is a schematic diagram of an SAE architecture according to the prior art
  • FIG. 2 is a
  • FIG. 3 is a schematic diagram of an MBMS (Lightweight) architecture according to the prior art; Schematic diagram of an MBMS architecture based on the SAE/LTE network architecture; and FIG. 4 is a flowchart of an MBMS access method in an LTE architecture according to an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention are described with reference to the accompanying drawings.
  • An embodiment of the present invention provides an MBMS access method in an LTE architecture.
  • the multimedia broadcast multicast service coordination function entity (MCE) mentioned below can be regarded as a logical entity. Whether a physical entity is independent or not depends on the requirements of the operator. As shown in FIG.
  • MCE multimedia broadcast multicast service coordination function entity
  • Step S402 A Broadcast Multicast Center (BM-SC) sends a session start message (or an MBMS session start message to the Multimedia Broadcast Multicast Service Gateway (MBMS-GW), where The indication information of whether to perform radio resource coordination may be included);
  • Step S404 the MBMS-GW allocates the user plane resource and the IP multicast address, and sends a session start message to the multimedia broadcast multicast service coordination function entity (MCE), the session start message In addition to the content of the message in the message sent by the BM-SC, the IP multicast address is also included;
  • Step S406 the MCE performs a coordinated decision on the radio resource, and sends a session start message to the e-Node B (eNB);
  • the MCE carries the indication information, and the MCE performs the coordinated decision of the radio resource according to the indication information.
  • the MCE performs the coordinated decision of the radio resource according to the cell configuration; Step S408, e-Node B force. Enter the multicast group corresponding to the IP multicast address.
  • the session start message sent in step S406 includes the radio resource coordination result.

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

Abstract

La présente invention a trait à un procédé d'accès à un service de multidiffusion multimédia (MBMS) sous une architecture à évolution à long terme. Le procédé inclut les étapes suivantes : le centre de service de multidiffusion multimédia (BM-SC) envoie la notification de début de session à la passerelle (GW) MBMS (402) ; la MBMS GW alloue la ressource d'interface utilisateur et l'adresse IP de multidiffusion et envoie la notification de début de session à l'entité de contrôle mobile (MCE) (S404) ; la MCE traite une décision de coordination de ressource sans fil et envoie la notification de début de session au nœud B évolué (S406) ; lenœud B évolué rejoint le groupe de multidiffusion (S408).
PCT/CN2008/071353 2007-08-13 2008-06-19 Procédé d'accès à un service de multidiffusion multimédia sous une architecture à évolution à long terme WO2009021418A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007101420166A CN101370173B (zh) 2007-08-13 2007-08-13 长期演进架构下的多媒体广播多播业务接入方法
CN200710142016.6 2007-08-13

Publications (1)

Publication Number Publication Date
WO2009021418A1 true WO2009021418A1 (fr) 2009-02-19

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WO (1) WO2009021418A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102396267A (zh) * 2009-03-17 2012-03-28 华为技术有限公司 信息转发方法、设备及系统
EP2466948A1 (fr) * 2009-08-11 2012-06-20 Alcatel Lucent Procédé d'élagage de trafic dans un système e-mbms et b-sc pour mettre en uvre le procédé
CN102857873B (zh) * 2011-06-30 2017-02-08 中兴通讯股份有限公司 基于td‑lte的宽带数字集群系统及其数据传输方法
WO2014059607A1 (fr) * 2012-10-16 2014-04-24 华为技术有限公司 Procédé, dispositif et système de gestion de zone de groupe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101009908A (zh) * 2006-01-24 2007-08-01 北京三星通信技术研究有限公司 Lte系统中支持mbms业务传输的方法

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN101009908A (zh) * 2006-01-24 2007-08-01 北京三星通信技术研究有限公司 Lte系统中支持mbms业务传输的方法

Non-Patent Citations (2)

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Title
"3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description(Release 6", 3GPP TS 23.246 V6.7.0, 30 June 2005 (2005-06-30), XP055353522 *
3GPP TS WG3 MEETING #56 MBMS REFERENCE ARCHITECTURE PROPOSAL, 11 May 2007 (2007-05-11) *

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CN101370173A (zh) 2009-02-18

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