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层三消息和信令流程 (第八课)
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Transcript of 层三消息和信令流程 (第八课)
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层三消息和信令流程(第八课)
上海市网驭通讯技术有限公司
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层三消息系统消息
包括:当前网络、位置区和小区的识别消息切换的测量消息和进程消息控制信道结构的描述消息小区可选项消息邻小区小区
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层三消息系统消息
常用系统信息分为: System Information 1, 2, 2bis, 2ter, 3, 4, 5, 5bis, 5ter, 6, 7, 8, 13系统消息的传送方式:
BCCH ---空闲模式, System Information 1-4,7,8SACCH ---通信模式, System Information 5 、 6
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层三消息系统消息
系统消息 1 (仅用于跳频)小区信道描述,包括:小区 BCCH 频点,跳频频点RACH 控制参数,包括: Max_retrains,Tx_integer,CBA,RE(呼叫重建) ,EC (紧急呼叫) ,AC (用户级别)
系统消息 2邻小区说明,包括邻小区的侦听频点PLMN 允许指示,包括 NccPermitRACH 控制参数
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层三消息系统消息
系统消息 3小区识别号, CellID位置区识别号, LAI控制信道说明,包括: ATT, AGBLK, CCCH-Conf, MFRMS, T3212小区选项,包括: PWRC, DTX, RadioLinkTimeOut小区选择参数,包括: TxPwr, AccMin, CRHRACH 控制参数
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层三消息系统消息
系统消息 4位置区识别号小区选择参数RACH 控制参数CBCH 信道说明,包括: SDCCH 的组合方式, TN , TSC ,H , MAIO , HSN , ARFCN系统消息 5邻小区说明
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层三消息系统消息
系统消息 6小区识别号位置区识别号小区选项PLMN 允许指示
系统消息 7 、 8小区重选参数,包括: PI, CBQ, CRO, TO, PT
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层三消息系统消息
系统消息 13GPRS 信息参数 ,包括: GPRS 功率控制参数, PBCCH 结构描述, RAC (路由区域码),接入优先级,网络控制顺序,
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信令流程GSM 层 3 协议平面图
CC
MM
RR
LAPDm
MS
RR
LAPDm
Um
LAPD
BTSM
LAPD
Abis
RRBTSM SCCP
MTP3
BSSAP
BTS BSC
MTP2
SCCP
MTP3
BSSAP
MTP2
CC
MM
MSC
A
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信令流程GSM 层 3 消息简介
RIL3-CC
RIL3-MM
RIL3-RR RSM BSSMAP MAP/E
TCAP
LAPDm LAPD
SCCP
MTP
SCCP
MTP
SCCP
MTP
MAP/D
MS BTS BSC MSC MSC/VLR HLR服务 归属
CM
MM
RR
L3
L2
L1
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信令流程无线端的信令接续流程
寻呼过程:
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信令流程无线端的信令接续流程
立即指配过程:
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信令流程无线端的信令接续流程
鉴权过程:
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信令流程无线端的信令接续流程
设置加密模式:
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信令流程无线端的信令接续流程
TCH 分配过程:
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信令流程无线端的信令接续流程切换过程:
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信令流程无线端的信令接续流程切换过程:
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信令流程无线端的信令接续流程
无线信道释放:
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信令流程无线端的信令接续流程位置更新:
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信令流程无线端的信令接续流程呼叫建立:
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信令流程无线端的信令接续流程呼叫释放: