信令总流程.ppt

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2017-07-06 发布于湖北
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信令总流程.ppt

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信令总流程

Continue 1 MSCC A BTSC BSCC A-bis Um MS HO COMMPLETE(DT1) (Cause) BSSMAP MSCA MSCB E B RR(New FACCH) HO DETECTION HO ACCESS PHYS INFO PHYS INFO L2-SABM L2-UI ESTA IND HO COMPLET DATA IND HO COMPL HO ACCESS ANC(TUP) MAP_SEND_END_SIGNAL RR(FACCH) MAP_PROCESS_ACCESS _SIGNALLING RR(FACCH) RR(FACCH) RR(FACCH) RR(FACCH) RR(FACCH) HO DETECT(DT1) BSSMAP HO Detect HO Complete Subsequent Inter-MSC Handover MAP_SEND_END_SIGNAL ACK REL(TUP) RLC(TUP) T204 - T103 - Subsequent Inter-MSC Handback MSCB A BTSB BSCB A-bis Um MS RR(SACCH) L2-UI MEAS REP MEAS REP HO REQU(DT1) Cell Id lst,Cause MSCA VLRA E B MAP_PREPARE_ Subs_HANDOVER MAP_ALLOCATE_HO_NUMBER MAP_SEND_ HO_REPORT MAP_PREPARE_Subs_HANDOVER ACK MAP_SEND_ HO_REPORT ACK HO CMD(DT1) (Cell,Ch Inf,Ho Ref) DATA REQ HO CMD HO COMMAND RR(FACCH) BSSMAP BSSMAP RF CHA REL (old TCH) RF CHA REL ACK After HO Succeed BSCA BSSMAP HO REQ(DT1) CHAN ACTIV CC CHA ACT ACK CR(Ch typ,Clmk) (Cell, Ciph K) HO REQ ACK(DT1) BSSMAP BTSA BTSB BSCB CLEAR CMD(DT1) BSSMAP CLEAR CMP(DT1) BSSMAP HO Request HO Request ACK T104 + Continue 1 MSCA A BTSA BSCA A-bis Um MS HO COMMPLETE(DT1) (Cause) BSSMAP MSCB E RR(New FACCH) HO DETECTION HO ACCESS PHYS INFO PHYS INFO L2-SABM L2-UI ESTA IND HO COMPLET DATA IND HO COMPL HO ACCESS REL(TUP) MAP_SEND_END_SIGNAL ACK RR(FACCH) RR(FACCH) RR(FACCH) RR(FACCH) RR(FACCH) RR(FACCH) HO Complete Subsequent Inter-MSC Handback RLC(TUP) T104 - MS MSC BTS BSC RR(RACH) Channel Request Channel Required Channel Activation Channel Activation ACK IMM ASSIGNMENT Immediate Assignment RR(AGCH) (L2 - UI) A interface Abis interface Um interface IMSI DETACH IMSI DETACH IND EST IND IMSI DETACH IND CR(COMPL - L3 - INFO) L2 - UA (MS ID) RR(SDCCH) RR(SDCCH) BSSMAP UNIT DATA REQ (SDCCH ID) (L2-SABM) VLR B interface IMSI DETACH IND MAP_DETACH_IMSI ** ** : If no RR connection exists, the MM sublayer within the mobile station will request the RR sublayer to establish a RR connection. If establishment of the RR connection is not possible bec