GAA:Generic Authentication Architecture,通用认证架构
3GPP:Third Generation Partnership Project,第三代合作伙伴计划
3GPP2:Third Generation Partnership Project Ⅱ,第三代合作伙伴计划第二组
GMLC:Gateway Mobile Location Center,网关移动位置中心
GMSC:Gateway Mobile Switching Centre,网关移动交换中心
GoTa:Global Open Trunking Architechture,开放式集群结构
GSM:Global System for Mobile communication,全球移动通信系统
GPRS:General Packet Radio Service,通用分组无线业务