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    • 6. 发明申请
    • MOBILE MULTICAST SYSTEM FOR SUPPORTING NETWORK-BASED MOBILITY AND METHOD THEREOF
    • 用于支持基于网络的移动性的移动多播系统及其方法
    • US20120269111A1
    • 2012-10-25
    • US13518180
    • 2010-10-22
    • Tai-Won UmJong-Wook NamKyeongseob ChoKyounghee LeeHyun-Woo LeeWon Ryu
    • Tai-Won UmJong-Wook NamKyeongseob ChoKyounghee LeeHyun-Woo LeeWon Ryu
    • H04H20/71
    • H04L12/189H04L45/16H04W8/082H04W8/186H04W76/40
    • The present invention relates to a mobile multicast system and a method thereof, and more particularly to a network-based mobility multicast system and a method thereof. The system according to one embodiment of the present invention is the mobile multicast system for supporting the network-based mobility comprising: access points which communicate with mobile terminals within an access network through a wireless channel, obtains layer 2 addresses of the terminals, and provides the obtained layer 2 addresses of the terminals; management parts which control a handover of each terminal included in the access points, transmit multicast packets to be provided to the terminals, and are provided according to the access points; a router which receives the multicast data through the network, and transmits the multicast packets to the terminals for receiving the multicast data; and a mobile control server which obtains position information of the terminals from the management parts, transmits a query message for determining the reception of the multicast data to each of the management parts so as to confirm whether the terminals join the multicast when receiving the query message from the router, and controls setting of a tunnel between the router and the management part for transmitting a membership report message when receiving the membership report message for joining the multicast.
    • 移动组播系统及其方法技术领域本发明涉及移动组播系统及其方法,更具体地涉及一种基于网络的移动性组播系统及其方法。 根据本发明的一个实施例的系统是用于支持基于网络的移动性的移动组播系统,包括:通过无线信道与接入网内的移动终端通信的接入点,获得终端的2层地址,并提供 获得的层2地址的终端; 控制接入点中包含的每个终端的切换的管理部件,发送要提供给终端的多播分组,并根据接入点提供; 通过网络接收组播数据的路由器,并将组播数据包发送到终端以接收组播数据; 以及移动控制服务器,其从所述管理部分获取所述终端的位置信息,向所述管理部件发送用于确定所述多播数据的接收的查询消息,以便在接收到所述查询消息时确认所述终端是否加入所述多播 并且在接收到加入组播的成员关系报告消息时,控制路由器和管理部分之间的隧道的设置,以发送成员报告消息。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR SUPPORTING MOBILITY OF NODE USING LAYER 2/LAYER 3 ADDRESSES
    • 支持使用层2 /层3地址的节点移动的方法和装置
    • US20090147759A1
    • 2009-06-11
    • US12134907
    • 2008-06-06
    • Tai-won UMWon RyuKyoung-hee LeeEun-jun RheeSeong-gon Choi
    • Tai-won UMWon RyuKyoung-hee LeeEun-jun RheeSeong-gon Choi
    • H04Q7/24
    • H04W8/04H04W80/04
    • Provided is a network-based mobility supporting method for supporting mobility of a node not having a mobility supporting function. The network-based mobility supporting method which is performed by a plurality of agents that connect a plurality of access networks to an Internet protocol core network integrating the plurality of access networks, includes: acquiring address information of a mobile node connected to an access point from the access point; transmitting the address information of the mobile node and layer 3 address information of an agent to a management unit which is located on the Internet protocol core network and manages the plurality of access networks, and registering a location of the mobile node; transmitting the layer 3 address information of the correspondent agent to the mobile node, in order to allow the mobile node to transmit a data packet to the agent; and receiving and transmitting the data packet between the mobile node and a correspondent node in consideration of the address information of the mobile node and information registered in the management unit. Therefore, it is possible to provide high-speed mobility to a mobile node.
    • 提供了一种用于支持不具有移动性支持功能的节点的移动性的基于网络的移动性支持方法。 由将多个接入网络连接到集成多个接入网络的因特网协议核心网络的多个代理执行的基于网络的移动性支持方法包括:从连接到接入点的移动节点获取地址信息, 接入点; 将代理的地址信息和代理的地址信息发送到位于因特网协议核心网上的管理单元,并管理多个接入网络,并登记移动节点的位置; 向移动节点发送对方代理的层3地址信息,以便允许移动节点向代理发送数据包; 考虑到移动节点的地址信息和登记在管理单元中的信息,在移动节点和通信节点之间接收和发送数据分组。 因此,可以向移动节点提供高速移动性。