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METHOD AND APPARATUS FOR SUPPORTING ROUTING AREA UPDATE PROCEDURES IN A SINGLE TUNNEL GPRS-BASED WIRELESS COMMUNICATION SYSTEM
METHOD AND APPARATUS FOR SUPPORTING ROUTING AREA UPDATE PROCEDURES IN A SINGLE TUNNEL GPRS-BASED WIRELESS COMMUNICATION SYSTEM
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机译:基于单隧道基于GPRS的无线通信系统中支持路由区域更新过程的方法和装置
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摘要
The present invention is related to aA method and apparatussystem for supporting routing area update procedures in a single tunnel general packet radio services (GPRS)-based wireless communication system are disclosed. A wireless transmit/receive unit (WTRU) sends a routing area update request message to a serving general packet radio service (GPRS) support node (SGSN) via an radio network controller (RNC). The SGSN sends an update packet data protocol (PDP) context request message to a gateway GPRS support node (GGSN). The GGSN sends an update PDP context response message to the SGSN. The SGSN sends a tunnel establishment request message to the RNC and a single tunnel is established between the RNC and the GGSN. For handover operations, a previous single tunnel established between the GGSN and another RNC is released and the routing area update is accepted and completed.
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