1 1鉴权一般过程 MSBSSMSCVLRHLR/AUCREQUEST(CKSNo,IMSI/TMSI)相关MAP消息Send parameters
(IMSI/TMSI)(CKSNo,IMSI/TMSI)
(与呼叫建立,位置更新,补充业务
有关的业务请求)
Authentication parameters(RAND/SRES/Kc)Authenticate
(RAND,CKSNn)Authentication request
(RAND,CKSNn)
Authentication response(SRES)Authentication response(SRES)相关的MAP消息响应
RESPONSE(相关业务请求接受)Authentication reject 合法用户
非法用户
合法用户:业务请求接收消息非法用户:业务请求拒绝消息
鉴权核对 成功:合法用户失败:非法用户 2
2位置更新操作(一)____位置更新仅涉及本VLR MSBSSMSCVLR
UmBSSAP
MAP
AB
Location updating request(位置更新类型,CKSNo, LAIo,IMSI/TMSI)
COMPLETE L3 INFORMATION(Layer 3 信息)Update location area
(CKSN,LAIo,LAIn,IMSI/TMSI)Authentication
(RAND,CKSNn)Authentication request (RAND,CKSNn)
Authentication response (SRES)Authentication response(SRES)
Set cyphering mode(Kc和算法标识符或不进行编码的指示)Forward new TMSI(TMSI)
Update location area ack.(HLR号)CYPHER MODE COMMAND (Kc,L3头部消息)
CYPHER MODE COMPLETELocation updating accept(TMSIn,LAIn)TMSI reallocation complete CLEAR COMMAND(资源释放)CLEAR COMPLETE
TMSI acknowledge
(cause,L3头部消息) 3
3位置更新操作(二)____位置更新涉及本VLR和HLR(当MS进入新的VLR或MS首次登录,或相关网络数据丢失 后,且MS都使用IMSI来标识自己)
MSBSSMSCVLRHLR/AUC
Locating updating request(IMSI)
UmBSSAP
MAPMAP
ABD
COMPLETE L3 INFO.Update location area
(IMSI)Send parameters(IMSI)
Authentication parameters(RAND/SRES/Kc,IMSI)AuthenticateAuthentication request
Authentication responseAuthentication responseUpdate location
Inserte subscriber dataSubscriber data insertion ack. cancel locationcancel location ack.
PVLRUpdate location ack.(HLR号)Set cyphering mode
Forward new TMSIUpdate location area ack. CYPHER MODE COMMAND
CYPHER MODE COMPLETELocation updating accepteTMSI reallocation completeTMSI acknowledge
CLEAR COMMAND
CLEAR COMPLETE
先前的VLR从正在单中删除相关的MS数据
拜访本VLR的MS名 4
4呼叫接续信号流程____移动用户呼叫移动用户(主被叫MS在同一MSC内)(一) UmABD
AUmMSaBSSaMSCVLRHLR
AUC
BSSbMSb信道请求RACH
SDCCHCM service request(CKSN,IMSI/TMSI)COMPLETE L3 INFO(包含CM service req.)
CON_CONF (SCCP接续确认 消息CC)Process access req.(包含CM service req.)Send parametersAUT_INFO_REQ内部接口AUT_INFO_PROV (IMSI,RAND/SRES/Kc)
(IMSI/TMSI)
Authentication para.(IMSI,RAND/SRES/Kc)Authenticate(RAND,CKSNn)Authentication request(RAND,CKSNn)
Authentication response(SRES)Authen. res.(SRES)Set cyphering modeAccess req. accepted(IMSI/MSISDN)CM service accept
CIPHER MODE COMMAND(Kc)CIPHER MODE COMPLETE呼叫建立 Setup ( 被叫号码MSISDN)Send info. for o/g call setup(包含service indication,call number)
Complete Call(包含所请求的呼叫处理信息)基本业务和补充业务
Call proceeding
ASSIGNMENT REQUESTASSIGNMENT COMPLETESend routing info. (MSISDN,补充业务信息)
Provide roaming number(IMSI) roaming numberRouting infomation acknowledgesend info.for i/c call setup
page MS(LAI)PAGING
Page responseCOMPLETE L3 INFORMATION (包含Page response)
(内部过程)鉴权核对成功启动加密
为来话发送消息,VLR将核对参数寻呼启动
VLR核对IMSI分配MSRN 5
5呼叫接续信号流程____移动用户呼叫移动用户(主被叫MS在同一MSC中)(二) UmABD
AUmMSaBSSaMSCVLRHLR
AUC
BSSbMSb
内部
接口
连接证实 CON_CONF(SCCP接续确认消息CC)Process access req.Send para.
(IMSI/TMSI)AUT_INFO_REQ
AUT_INFO_PROV Authen. para.
(IMSI,RAND/SRES/Kc)(IMSI,RAND/SRES/Kc)Authenticate
(RAND,CKSNn)
Authentication request(RAND,CKSNn)
Authentication(SRES)Authentication response(SRES)Set cyphering modeAccess request acceptedComplete callCIPHER MODE COMMAND(Kc)
CIPHER MODE COMPLETE呼叫建立Setup呼叫证实Call confirmedASSIGNMENT REQUESTASSIGNMENT COMPLETE提醒 Alerting连接 Connect连接证实 Connect acknowledge通话Alerting 回铃音 ConnectConnect acknowledge网路接续
TCH振铃应答
完成呼叫(回送被叫用户数据) 6
6呼叫接续流程____挂机过程 UmAB
D
AUm
MSaBSSaMSCVLRHLRAUC
BSSbMSb(一) 主叫先挂机断连 Disconnect断连 Disconnect
释放 Release释放 Release
释放完成 Release complete释放完成 Release complete
清除命令 CLEAR COMMMAND
清除完成 CLEAR COMPLETE
CLEAR COMMAND
CLEAR COMPLETE
MSC释放陆地信道和物理连接(二) 被叫先挂机
断连 Disconnect断连 Disconnect
释放 Release释放完成 Release complete
清除命令 CLEAR COMMAND清除完成 CLEAR COMPLETE
释放 Release释放完成 Release completeCLEAR COMMAND
CLEAR COMPLETEMSC释放陆地信道和物理连接