CDMA信令流程

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CDMA信令流程

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目 录

MSC、BSC全流程整理 ............................................................................................ 错误!未定义书签。 1 呼叫全流程 ............................................................................................................................................... 3 2 位置更新流程 ........................................................................................................................................... 6 3 短消息流程 ............................................................................................................................................... 7 .1 网络侧向MS侧发送短消息(在寻呼信道) ..................................................................................... 7 .1 直接在寻呼信道发送短消息 ........................................................................................................ 7 .2 使用寻呼流程定位后再在寻呼信道发送短消息 ........................................................................ 7 .2 网络侧向MS侧发送短消息(在业务信道) ..................................................................................... 8 .3 MS侧向网络侧发送短消息(在接入信道) ..................................................................................... 8 .4 MS侧向网络侧发送短消息(在业务信 2 / 7

道) ..................................................................................... 9 4 软切换流程 ............................................................................................................................................. 10 .1 BTS内软、更软切换流程 ................................................................................................................. 10 .2 BTS间软切换流程 ............................................................................................................................. 11 .3 BSC间软切换增加分支流程 ............................................................................................................. 11 .4 BSC间软切换删除分支流程 ............................................................................................................. 13 5 硬切换流程 ............................................................................................................................................. 14 .1 BSC内异频硬切换 ............................................................................................................................. 14 .2 BSC间硬切换 .....................................................................................................................................

14 6 数据业务流程 ......................................................................................................................................... 16 .1 呼叫建立流程 ..................................................................................................................................... 3 / 7

16 .2 MS发起的呼叫释放流程(正常情况) ........................................................................................... 16 .3 PDSN发起的呼叫释放流程 .............................................................................................................. 17 .4 状态迁移流程 .....................................................................................................................................

18 .3 Dormant到ACTIVE态 ................................................................................................................. 18 .4 ACTIVE到NULL态 ..................................................................................................................... 19 .5 ACTIVE到Dormant态 ................................................................................................................. 19 .5 同PDSN的Dormant切换 .................................................................................................................... 20 .6 同PDSN内BSC间硬切换 ................................................................................................................... 21 .7 同PDSN内PCF间硬切换 ................................................................................................................... 23

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252817804.doc

01.呼叫全流程

1.呼叫全流程 4 / 7

主叫方 MSACHPCHOrigination MsgBase Ack Order主叫方BTSAbis-ACH Msg

Transfer(ORM)主叫方BSCCM Service ReqMSCHLRAbis-PCH Msg Transfer(BS

Ack)Abis-BTS SetupAbis-ConnectAbis-Connect AckAbis-BTS Setup

AckAbis-is-2000 FCH Fwd(Null data)Abis-is-2000 FCH Rvs(Idle

data)Abis-PCH Msg Transfer(ECAM)Abis-is-2000 FCH

Rvs(Preamble)Abis-is-2000 FCH Fwd(BS Ack)Abis-is-2000 FCH Rvs(Idle

Data)Abis-is-2000 FCH Rvs(Ms Ack)CC(connection confirm)Assignment

ReqLOCREQ (BILLID,ORIID,DGTSDIALED) (TRANSCAP,

TAT)TCHPCHTCHTCHTCHTCHTCHTCHNull Traffic DataECAMTraffic Channel

PreambleBase Ack OrderIdle TCH DataMS Ack OrderService Connect MsgService