ETSI TS 123 236-2002 数字蜂窝通信系统(第2+阶段).全球移动通信系统(UMTS).无线接入网(RAN)节点到多核心网(CN)节点的域内连接.3GPP TS 23.228(版本5.2.0,第5次发布)
Digital Cellular Telecommunications System (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Intra-Domain Connection of Radio Access Network (RAN) Nodes to Multiple Core Network (CN) Nodes 3GPP TS 23.228 Version 5.2.0 Release 5