ETSI TS 122 129-2002 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).UTRAN和GERAN或其他无线系统间的切换要求.3GPP TS 22.129(版本5.2.0,第5次发布)
Digital Cellular Telecommunications System (Phase 2+); Universal Mobile Telecommunications System (UMTS); Handover Requirements between UTRAN and GERAN or Other Radio Systems 3GPP TS 22.129 Version 5.2.0 Release 5