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    • 4. 发明申请
    • METHOD AND APPARATUS FOR MULTICAST MOBILITY
    • 用于多媒体移动的方法和装置
    • US20110110286A1
    • 2011-05-12
    • US12885218
    • 2010-09-17
    • Guang LuShamim A. RahmanJuan Carlos ZunigaMichelle PerrasCatherine M. Livet
    • Guang LuShamim A. RahmanJuan Carlos ZunigaMichelle PerrasCatherine M. Livet
    • H04H20/71
    • H04W4/06H04L12/185H04L12/1877H04L12/189H04W4/08H04W8/08H04W8/085H04W36/0016H04W60/005H04W80/04H04W80/045
    • A method and an apparatus for a proxy mobile Internet protocol (PMIP) supporting a dedicated multicast local mobility anchor (LMA) and mobile access gateway (MAG) is provided. The LMA assigns an Internet Protocol (IP) address to a wireless transmit receive unit (WTRU) that processes the IP address and sends a router solicitation message to a serving MAG. A WTRU is disclosed to receive a first IP address that is for unicast service and a second IP address that is for multicast services. Generally, the method and apparatus proposes architecture, interfaces, and procedures to enable multicast mobility using Proxy Mobile IP. More specifically operations of aggregated PMIP tunnels for multicast services are described. Multicast mobility is enabled when mobile nodes move from one MAG to another MAG, intra-LMA, and inter-LMA. And, Multicast mobility is enabled between bidirectional network and downlink only multicast network in a hybrid network.
    • 提供了一种支持专用组播本地移动锚(LMA)和移动接入网关(MAG)的代理移动因特网协议(PMIP)的方法和装置。 LMA为处理该IP地址的无线发射接收单元(WTRU)分配一个因特网协议(IP)地址,并向服务MAG发送路由器请求消息。 公开了一种WTRU来接收用于单播服务的第一IP地址和用于多播服务的第二IP地址。 通常,该方法和装置提出使用代理移动IP来实现组播移动性的架构,接口和过程。 更具体地说明用于多播服务的聚合PMIP隧道的操作。 当移动节点从一个MAG移动到另一个MAG,LMA内和LMA之间时,启用组播移动性。 并且,在混合网络中的双向网络和下行链路仅组播网络之间启用组播移动性。