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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 routingarea update procedures in a single tunnel general packet radio services (GPRS)-basedwireless communication system are disclosed. A wireless transmit/receive unit(WTRU) sends a routing area update request message to a serving general packet radioservice (GPRS) support node (SGSN) via an radio network controller (RNC). TheSGSN sends an update packet data protocol (PDP) context request message to a gatewayGPRS support node (GGSN). The GGSN sends an update PDP context response messageto the SGSN. The SGSN sends a tunnel establishment request message to the RNC anda 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 releasedand the routing area update is accepted and completed.
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