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1. 发明申请

US20090016300A1 METHOD AND APPARATUS FOR FAST INTER-SYSTEM HANDOVER 有权
标题翻译：用于快速系统间切换的方法和装置
公开(公告)号：US20090016300A1
公开(公告)日：2009-01-15
申请号：US12140623
申请日：2008-06-17
申请人： Kalle I. Ahmavaara , Lorenzo Casaccia , George (Georgios) Tsirtsis , Wolfgang Granzow
发明人： Kalle I. Ahmavaara , Lorenzo Casaccia , George (Georgios) Tsirtsis , Wolfgang Granzow
IPC分类号： H04Q7/36
CPC分类号： H04W36/0072 , H04W36/0066 , H04W92/045
摘要： Systems and methodologies are described that facilitate inter-system handover in a wireless communication system. Various aspects described herein provide for handover techniques that enable a target system to be prepared by a mobile device via a source system in order to minimize specific changes required to source system and/or target system. Techniques are described herein in which the radio link of a source system can be utilized to tunnel signaling messages which are in a format understood by a destination node in a target system. Further, fast inter-access handover can be facilitated by establishing a simple generic transmission tunnel between respective network nodes in source and target systems that handle intra-system mobility and providing a Layer 2 (L2) tunneling mechanism over the radio interface of each involved system technology.
摘要翻译：描述了促进无线通信系统中的系统间切换的系统和方法。本文描述的各个方面提供了切换技术，其使目标系统能够由移动设备经由源系统准备，以便最小化源系统和/或目标系统所需的特定变化。这里描述了技术，其中可以利用源系统的无线电链路来隧道化目标系统中目的地节点所理解的格式的信令消息。此外，通过在处理系统内移动性的源系统和目标系统中的各个网络节点之间建立简单的通用传输隧道，并通过每个相关系统的无线电接口提供第二层（L2）隧道机制，可以促进快速的接入间切换技术。

2. 发明授权

US08559321B2 Mobile IP home agent discovery 有权
标题翻译：移动IP归属代理发现
公开(公告)号：US08559321B2
公开(公告)日：2013-10-15
申请号：US12134636
申请日：2008-06-06
申请人： Gerardo Giaretta , George (Georgios) Tsirtsis , Kalle I. Ahmavaara
发明人： Gerardo Giaretta , George (Georgios) Tsirtsis , Kalle I. Ahmavaara
IPC分类号： G01R31/08
CPC分类号： H04W8/005 , H04L29/12066 , H04L61/1511 , H04W8/12 , H04W48/14 , H04W48/17 , H04W80/045
摘要： Systems and methodologies are described that facilitate Mobile IP home agent (HA) discovery in a wireless communication system. Discovery of a HA for Mobile IP can be conducted as described herein for a mobile terminal located on a network wherein movement of the terminal is managed by a network-based mobility protocol. For example, various aspects described herein can be utilized for discovery of a HA located in a 3GPP network from 3GPP and/or non-3GPP access. Further, various aspects described herein can be utilized to discover a gateway acting as mobility anchor for a network mobility protocol utilized by the network. As additionally described herein, HA discovery can be conducted in connection with DNS query formation and communication, network attach and/or re-attach procedures, Neighbor Discovery signaling, and/or other procedures.
摘要翻译：描述了在无线通信系统中促进移动IP归属代理（HA）发现的系统和方法。对于移动IP的HA的发现可以如本文所述对位于网络上的移动终端进行，其中终端的移动由基于网络的移动性协议来管理。例如，本文描述的各个方面可用于从3GPP和/或非3GPP接入发现位于3GPP网络中的HA。此外，本文描述的各个方面可以用于发现网关充当网络所使用的网络移动性协议的移动性锚点。如本文另外描述的，HA发现可以结合DNS查询形成和通信，网络附接和/或重新附接过程，邻居发现信令和/或其他过程进行。

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