LTE空口信令流程详解.docx
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LTE空口信令流程详解
LTE空口信令流程详解
EPSMM
Extendedservicerequest
ULCCCH
rrcConnectionRequest
DLCCCH
rrcConnectionSetup
ULDCCH
rrcConnectionSetupComplete
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLDCCH
securityModeCommand
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
2.2、UE被叫信令流程
(统计时延:
红色的为开始和结束信令)
DLPCCH
Paging
EPSMM
Extendedservicerequest
ULCCCH
rrcConnectionRequest
DLCCCH
rrcConnectionSetup
ULDCCH
rrcConnectionSetupComplete
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLDCCH
securityModeCommand
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
2.3、前台测试中UE主叫、切换L3信令流程
2.4、后台软件中掉线、接入、RRC连接的L3信令与对应的Event事件
3、重选与切换信令流程
3.1、小区重选信令流程
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformation
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformation
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformationBlockType1
3.2、基站内同频切换信令流程
(统计时延:
红色的为开始和结束信令)
ULDCCH
measurementReport
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformationBlockType1
DLBCCH:
DLSCH
systemInformation
3.3、基站间同频切换信令流程
(统计时延:
红色的为开始和结束信令)
ULDCCH
measurementReport
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
DLBCCH:
DLSCH
systemInformationBlockType1
DLDCCH
rrcConnectionReconfiguration
ULDCCH
rrcConnectionReconfigurationComplete
4、跟踪区域更新信令流程
4.1、新小区所属跟踪区域不在终端跟踪区域列表中信令流程
4.2、周期性跟踪区域更新信令流程
4.2、ENODEB间同频切换及TAU更新流程
4.2、ENODEB间同频切换MR中的消息