ETSI TS 148 014-2005 数字蜂窝通信系统(第2+阶段).通用分组无线业务(GPRS).基站系统(BSS)-伺服GPRS支持节点(SGSN)接口.Gb接口第1层.3GPP TS 48.014(版本6.0.0,第6次发布)
Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Base Station System (BSS) - Serving GPRS Support Node (SGSN) interface; Gb Interface Layer 1 3GPP TS 48.014 version 6.0.0 Release 6