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METHOD AND APPARATUS FOR SUPPORTING HANDOFF AND SERVING RADIO NETWORK SUBSYSTEM RELOCATION PROCEDURES IN A SINGLE TUNNEL GPRS-BASED WIRELESS COMMUNICATION SYSTEM
METHOD AND APPARATUS FOR SUPPORTING HANDOFF AND SERVING RADIO NETWORK SUBSYSTEM RELOCATION PROCEDURES IN A SINGLE TUNNEL GPRS-BASED WIRELESS COMMUNICATION SYSTEM
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机译:基于单隧道GPRS无线通信系统中支持切换和服务无线电网络子系统重定位过程的方法和装置
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摘要
A serving radio network subsystem (SRNS) relocation method is implemented in a wireless communication system. When an old serving general packet radio service (GPRS) support node (SGSN) indicates that a source RNC requires SRNS relocation, the new SGSN sends a relocation request message to a target RNC indicating a single tunnel operation, a tunnel endpoint identity (TEID) of a gateway GPRS support node (GGSN), the identification number of a wireless transmit/receive unit (WTRU) and the packet data protocol (PDP) address of the WTRU. The new SGSN sends an update PDP context request message to the GGSN indicating a single tunnel operation and the target RNC TEID. The GGSN updates a binding of the target RNC TEID with the WTRU PDP address and the identification number. A new tunnel is established between the target RNC and the GGSN, and an old tunnel between the source RNC and the GGSN is released.
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