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    • 8. 发明申请
    • METHODS FOR SUPPORTING IPv6 USING BRIDGE EXTENSION IN WIRELESS COMMUNICATION SYSTEM
    • 在无线通信系统中支持IPv6扩展的方法
    • US20100232306A1
    • 2010-09-16
    • US12377979
    • 2007-08-17
    • Hong-Seok JeonEun-Ah KimHee-Young JungHyeong-Ho LeeJung-Hoon Jee
    • Hong-Seok JeonEun-Ah KimHee-Young JungHyeong-Ho LeeJung-Hoon Jee
    • H04L12/26H04H20/71H04L12/56
    • H04L12/4625
    • The present invention relates to a method for supporting Internet Protocol version 6 (IPv6) in a wireless communication system. According to an exemplary embodiment of the present invention, a wireless communication system consists of an access router, a bridge, and a base station. The access router allocates a common network prefix to all subscriber stations served by it. When receiving IP multicast data destined for all nodes on the same link, the access router forwards the data back to the bridge. The bridge transmits IP multicast data with reference to an identification cache table (ICT) which includes MAC addresses of each subscriber stations, identifiers for point-to-point connections between the bridge and base station, IPv6 addresses of each subscriber station and valid flags for the IPv6 addresses. The base station provides point-to-point connections to both the bridge and each of subscriber stations.
    • 本发明涉及在无线通信系统中支持因特网协议版本6(IPv6)的方法。 根据本发明的示例性实施例,无线通信系统由接入路由器,桥接器和基站组成。 接入路由器为其所服务的所有用户站分配公共网络前缀。 当接收去往同一链路上所有节点的IP组播数据时,接入路由器将数据转发回桥。 桥接器参考包括每个用户站的MAC地址,桥与基站之间的点对点连接的标识符,每个用户站的IPv6地址以及每个用户站的IPv6地址的标识高速缓存表(ICT)以及用于 IPv6地址。 基站提供与桥接器和每个用户站的点对点连接。
    • 9. 发明申请
    • FAST HANDOVER METHOD AND SYSTEM USING NETWORK-BASED LOCALIZED MOBILITY MANAGEMENT
    • 使用基于网络的本地化移动性管理的快速切换方法和系统
    • US20100027508A1
    • 2010-02-04
    • US12518267
    • 2007-12-07
    • Jung-Hoon JeeHong-Seok JeonEun-Ah KimChang-Min Park
    • Jung-Hoon JeeHong-Seok JeonEun-Ah KimChang-Min Park
    • H04W36/00
    • H04W36/0011H04W8/087H04W80/04
    • The present invention relates to a method in which a mobile node having mobility performs handover in a mobile communication system, and more particularly, to a fast handover method and system using network-based localized mobility Management. According to an exemplary embodiment of the present invention, in a network access process between a mobile node and a base station, the base station sends a message allowing network access to the mobile node and a link-up message to an access router. Then, the access router sends a location registration message, which includes a mobile node identifier, a target base station identifier, a localized mobility anchor identifier, and access permission flag information, to a localized mobility anchor (LMA), and receives an acknowledgement (Ack) message including network prefix information. Accordingly, when a router advertisement (RA) message is sent to the base station, the mobile node performs duplicate address detection (DAD). Accordingly, fast handover is performed to reduce packet loss and delay that occur when the mobile node moves between networks, thereby minimizing the packet loss and delay.
    • 本发明涉及具有移动性的移动节点在移动通信系统中执行切换的方法,更具体地说,涉及使用基于网络的本地化移动性管理的快速切换方法和系统。 根据本发明的示例性实施例,在移动节点和基站之间的网络接入过程中,基站发送允许对移动节点进行网络接入的消息和到接入路由器的链路消息。 然后,接入路由器向本地化移动锚(LMA)发送包括移动节点标识符,目标基站标识符,本地化移动锚定标识符和访问允许标志信息的位置登记消息,并且接收确认( Ack)消息,包括网络前缀信息。 因此,当向基站发送路由器通告(RA)消息时,移动节点执行重复地址检测(DAD)。 因此,执行快速切换以减少当移动节点在网络之间移动时发生的分组丢失和延迟,从而最小化分组丢失和延迟。