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    • 12. 发明申请
    • Method and Apparatus for Signaling Proprietary Information Between Network Elements of a Core Network in a Wireless Communication Network
    • 用于在无线通信网络中的核心网络的网元之间信令专有信息的方法和装置
    • US20100080123A1
    • 2010-04-01
    • US12241244
    • 2008-09-30
    • Colin KahnPhilip Lamoureux
    • Colin KahnPhilip Lamoureux
    • H04W8/00H04W28/02
    • H04W80/04H04L69/16H04L69/161
    • The invention includes a method and apparatus for signaling proprietary information between network elements of a core network (CN) of a wireless communication network. A method for signaling proprietary information within the CN includes encoding the proprietary information in an IPv4 Options field of an inner header of an IP packet, and pre-pending an outer header to the IP packet for Mobile IPv4 (MIPv4) tunneling the IP packet from a first node of the CN to a second node of the CN. The first and second nodes of the CN may include a mobility anchor node and a mobility gateway node, respectively. The first and second nodes of the CN may include a mobility gateway node and a mobility anchor node, respectively. A method for signaling proprietary information includes receiving a tunneled IP packet at a first node of the CN (where the IP packet includes an outer header, an inner header, and a payload), removing the outer header from the IP packet, stripping an IP Options field from the inner header of the IP packet where the IPv4 Options field includes the proprietary information, and propagating the proprietary information from the first node of the CN to a second node. The first node of the CN may be a mobility gateway node and the second node may be a node of a radio access network (RAN). The first node of the CN may be a mobility anchor node and the second node may be another node of the CN.
    • 本发明包括用于在无线通信网络的核心网络(CN)的网络元件之间发信号通知专有信息的方法和装置。 用于在CN内发送专有信息的方法包括在IP分组的内部报头的IPv4选项字段中对专有信息进行编码,并且将用于移动IPv4(MIPv4)的IP分组的外部报头预先挂起,从而将IP分组从 CN的第一节点到CN的第二节点。 CN的第一和第二节点可以分别包括移动锚点节点和移动性网关节点。 CN的第一和第二节点可以分别包括移动性网关节点和移动锚点节点。 用于信令专有信息的方法包括在CN的第一节点(其中IP分组包括外部报头,内部报头和有效载荷)接收隧道化IP分组,从IP分组中移除外部报头,剥离IP IP包的内部头部的选项字段,其中IPv4选项字段包括专有信息,并将专有信息从CN的第一个节点传播到第二个节点。 CN的第一节点可以是移动性网关节点,而第二节点可以是无线电接入网络(RAN)的节点。 CN的第一节点可以是移动锚点节点,而第二节点可以是CN的另一个节点。
    • 20. 发明授权
    • Method and apparatus for local gateway assignment in wireless networks
    • 无线网络中本地网关分配的方法和装置
    • US08605656B2
    • 2013-12-10
    • US12955014
    • 2010-11-29
    • Colin KahnAlistair Urie
    • Colin KahnAlistair Urie
    • H04W4/00
    • H04W8/26H04W24/02H04W28/08H04W88/16
    • A local gateway assignment capability is depicted and described herein. In a wireless service provider network, the local gateway assignment capability enables a local gateway, rather than a core gateway, to be selected to serve a user request for an APN. The local gateway and core gateway may be a Local-GGSN (L-GGSN) and a GGSN, respectively, where the L-GGSN is associated with an SGSN and provides local traffic offloading for the GGSN and where the GGSN provides a gateway for the core network portion of the wireless service provider network. A DNS element or other device is configured to determine an SGSN-specific APN in response to receiving a DNS Request from an SGSN. A DNS element is configured to identify, using an SGSN-specific APN associated with an SGSN, an L-GGSN associated with the SGSN, and to provide an indication of the L-GGSN to the SGSN from which the DNS Request is received, thereby enabling the user associated with the DNS Request to use the L-GGSN rather than the GGSN.
    • 这里描绘和描述了本地网关分配能力。 在无线服务提供商网络中,本地网关分配能力使得能够选择本地网关而不是核心网关来为APN提供用户请求。 本地网关和核心网关可以分别是本地GGSN(L-GGSN)和GGSN,其中L-GGSN与SGSN相关联,并为GGSN提供本地流量卸载,并且其中GGSN为 无线服务提供商网络的核心网络部分。 DNS元件或其他设备被配置为响应于从SGSN接收到DNS请求来确定SGSN特定APN。 DNS元素被配置为使用与SGSN相关联的SGSN特定APN来识别与SGSN相关联的L-GGSN,并且向从其接收DNS请求的SGSN提供L-GGSN的指示,由此 使与DNS请求相关联的用户能够使用L-GGSN而不是GGSN。