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)
LTE Architecture ■UE:mobile device eNodeB:wireless access point MME HSS Internet Serving PDN UE eNodeB GW GW
LTE Architecture ◼ UE: mobile device ◼ eNodeB: wireless access point
MME(Mobile Management Entity): authenticating users with HSS assigning temporary identifiers to the terminals Roaming authorization Serving GW:route packets to and from other 3GPP networks Packet Data Network GW:routing with non-3GPP networks Home Subscriber Server(HSS):subscriber data,authentication and authz,location
◼ MME(Mobile Management Entity): authenticating users with HSS assigning temporary identifiers to the terminals Roaming authorization ◼ Serving GW: route packets to and from other 3GPP networks ◼ Packet Data Network GW: routing with non-3GPP networks ◼ Home Subscriber Server(HSS):subscriber data, authentication and authz, location
Identifiers Identify user,user subscription,device IMSI (International Mobile Subscriber Identity):ITU E212,15 digits(country code,network operator code,subscriber identity),stored in SIM card TMSI(Temporary Mobile Subscriber Identity)
Identifiers ◼ Identify user, user subscription, device ◼ IMSI (International Mobile Subscriber Identity): ITU E212, 15 digits (country code, network operator code, subscriber identity), stored in SIM card ◼ TMSI (Temporary Mobile Subscriber Identity)
MSISDN (Mobile Subscriber ISDN Number):the phone number ■ IMEI (International Mobile Equipment Identity):mobile device Authentication and Key Agreement protocol (RFC3310) ▣Challenge-response ▣共享密钥：存储在SIM卡与HSS中
◼ MSISDN (Mobile Subscriber ISDN Number): the phone number ◼ IMEI (International Mobile Equipment Identity): mobile device ◼ Authentication and Key Agreement protocol (RFC3310) Challenge-response 共享密钥：存储在SIM卡与HSS中