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    • 7. 发明申请
    • METHOD AND SYSTEM FOR TRANSMITTING AND RECEIVING ETHERNET DATA TO AND FROM MOBILE TERMINAL SUPPORTING HIGH SPEED MOBILITY
    • 用于发送和接收以太网数据到移动终端支持高速移动的方法和系统
    • WO2007067000A1
    • 2007-06-14
    • PCT/KR2006/005312
    • 2006-12-08
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTECHO, Jai-HyungKANG, Sungsoo
    • CHO, Jai-HyungKANG, Sungsoo
    • H04L12/28
    • H04W36/0011H04W36/18H04W84/12
    • A method and a system for transmitting and receiving Ethernet data to/from a mobile terminal supporting high speed mobility are provided. The method includes: setting a wireless link between a specific access point among a plurality of wireless access points and the mobile terminal and registering identification information of the mobile terminal in the specific access point; allowing the specific access point to transmit an upward Ethernet frame received from the mobile terminal through the wireless link to the service node through the multicast tunnel connected to the specific access point; allowing the service node to recognize whether the mobile terminal is moving and to recognize a multicast tunnel address and identification information of the mobile terminal; allowing the service node to transmit the upward Ethernet frame to an external terminal, receive a downward Ethernet frame corresponding to a response to the upward Ethernet frame, and transmit the received downward Ethernet frame to the plurality of access points connected to the multicast tunnel; and allowing the specific access point, in which the identification information of the mobile terminal is registered, among the plurality of access points that receive the downward Ethernet frame to transmit the downward Ethernet frame to the mobile terminal. Accordingly, when the mobile terminal moves in a wireless LAN environment in which Ethernet data is transmitted and received to and from the mobile terminal, a soft hand-over in which service is not stopped and is stably maintained is provided.
    • 提供了一种用于向/从支持高速移动性的移动终端发送和接收以太网数据的方法和系统。 该方法包括:在多个无线接入点中的特定接入点与移动终端之间设置无线链路,并在该特定接入点登记移动终端的识别信息; 允许特定接入点通过无线链路通过连接到特定接入点的组播隧道向服务节点发送从移动终端接收的向上的以太网帧; 允许服务节点识别移动终端是否移动,并识别移动终端的多播隧道地址和识别信息; 允许服务节点将上行以太网帧发送到外部终端,接收对应于上行以太网帧的响应的向下的以太网帧,并将接收到的下行以太网帧发送到连接到组播隧道的多个接入点; 并且在接收到向下的以太网帧的多个接入点之间允许其中注册了移动终端的识别信息的特定接入点将下行以太网帧发送到移动终端。 因此,当移动终端在向移动终端发送和接收以太网数据的无线LAN环境中移动时,提供了不停止并稳定地维护业务的软切换。
    • 10. 发明申请
    • Method and System for Transmitting and Receiving Ethernet Data to and From Mobile Terminal Supporting High Speed Mobility
    • 用于向移动终端发送和接收以太网数据的方法和系统,支持高速移动性
    • US20080225770A1
    • 2008-09-18
    • US11994733
    • 2006-12-08
    • Jai-Hyung ChoSungsoo Kang
    • Jai-Hyung ChoSungsoo Kang
    • H04J15/00
    • H04W76/15H04L12/189
    • A method and a system for transmitting and receiving Ethernet data to/from a mobile terminal supporting high speed mobility are provided. The method includes: setting a wireless link between a specific access point among a plurality of wireless access points and the mobile terminal and registering identification information of the mobile terminal in the specific access point; allowing the specific access point to transmit an upward Ethernet frame received from the mobile terminal through the wireless link to the service node through the multicast tunnel connected to the specific access point; allowing the service node to recognize whether the mobile terminal is moving and to recognize a multicast tunnel address and identification information of the mobile terminal; allowing the service node to transmit the upward Ethernet frame to an external terminal, receive a downward Ethernet frame corresponding to a response to the upward Ethernet frame, and transmit the received downward Ethernet frame to the plurality of access points connected to the multicast tunnel; and allowing the specific access point, in which the identification information of the mobile terminal is registered, among the plurality of access points that receive the downward Ethernet frame to transmit the downward Ethernet frame to the mobile terminal. Accordingly, when the mobile terminal moves in a wireless LAN environment in which Ethernet data is transmitted and received to and from the mobile terminal, a soft hand-over in which service is not stopped and is stably maintained is provided.
    • 提供了一种用于向/从支持高速移动性的移动终端发送和接收以太网数据的方法和系统。 该方法包括:在多个无线接入点中的特定接入点与移动终端之间设置无线链路,并在该特定接入点登记移动终端的识别信息; 允许特定接入点通过无线链路通过连接到特定接入点的组播隧道向服务节点发送从移动终端接收的向上的以太网帧; 允许服务节点识别移动终端是否移动,并识别移动终端的多播隧道地址和识别信息; 允许服务节点将上行以太网帧发送到外部终端,接收对应于上行以太网帧的响应的向下的以太网帧,并将接收到的下行以太网帧发送到连接到组播隧道的多个接入点; 并且在接收到向下的以太网帧的多个接入点之间允许其中注册了移动终端的识别信息的特定接入点将下行以太网帧发送到移动终端。 因此,当移动终端在向移动终端发送和接收以太网数据的无线LAN环境中移动时,提供了不停止并稳定地维护业务的软切换。