LTE认证与授权 目前应用广泛的LTE,提供“roaming with other cellular or noncellular network" ■LTE ▣Radio network Fixed network,core EPC (Evolved Packet Core) LTE 认证与授权 ◼ 目前应用广泛的LTE，提供“roaming with other cellular or noncellular network” ◼ LTE Radio network Fixed network, core EPC (Evolved Packet Core)