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21. 发明申请

US20120172034A1 Terminal and Method for Idle Handoff Based on High Rate Packet Data System 有权
标题翻译：基于高速率分组数据系统的空闲切换终端和方法
公开(公告)号：US20120172034A1
公开(公告)日：2012-07-05
申请号：US13391090
申请日：2010-05-25
申请人： Yuanfang Yu , Ting Lu
发明人： Yuanfang Yu , Ting Lu
IPC分类号： H04W36/14
CPC分类号： H04W48/18 , H04W28/06 , H04W28/18 , H04W76/28
摘要： The present invention provides a terminal and method for an idle handoff based on a High Rate Packet Data (HRPD) system. The method includes, when the terminal switches from the HRPD system to a non-HRPD radio access technology system, an HRPD protocol stack of the terminal migrating from a non-tunnel state to a tunnel state. When the terminal is in a handoff area, and performs the idle handoff from the HRPD system to the non-HRPD radio access technology system, the terminal after the handoff is in the tunnel state, and the HRPD session information of the terminal is reserved. Thus, when the terminal switches back to the HRPD system, it is not necessary to perform the HRPD session negotiation again, thereby effectively avoiding the waste of air interface resources and system processing capabilities, and improving efficiency of interconnection and intercommunication between the HRPD system and other radio access technology system.
摘要翻译：本发明提供了一种基于高速率分组数据（HRPD）系统的空闲切换的终端和方法。该方法包括当终端从HRPD系统切换到非HRPD无线接入技术系统时，终端从非隧道状态迁移到隧道状态的HRPD协议栈。当终端处于切换区域并执行从HRPD系统到非HRPD无线接入技术系统的空闲切换时，切换后的终端处于隧道状态，并保留终端的HRPD会话信息。因此，当终端切换回HRPD系统时，不需要再次执行HRPD会话协商，从而有效避免了空中接口资源的浪费和系统处理能力，提高了HRPD系统与其他无线接入技术系统。

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