GAA：Generic Authentication Architecture，通用認(rèn)證架構(gòu)

3GPP：Third Generation Partnership Project，第三代合作伙伴計(jì)劃

3GPP2：Third Generation Partnership Project Ⅱ，第三代合作伙伴計(jì)劃第二組 

GMLC：Gateway Mobile Location Center，網(wǎng)關(guān)移動(dòng)位置中心

GMSC：Gateway Mobile Switching Centre，網(wǎng)關(guān)移動(dòng)交換中心

GoTa：Global Open Trunking Architechture，開放式集群結(jié)構(gòu)

GSM：Global System for Mobile communication，全球移動(dòng)通信系統(tǒng)

GPRS：General Packet Radio Service，通用分組無線業(yè)務(wù)