5G(NSA)架构RRC中有关NR消息内容

在5G的NSA组网(双连接）结构中RRC作用之一就是添加NR小区作为以4G为锚点的SCG；1.RRC消息主要内容

NR小区配置

NR相关SCG配置

NR无线承载配置2.消息主要字段

RRC消息中的信息非常多，其中包括NR小区中的MIB,SIB和RRC配置消息；RRC连接配置中主要内容见下表：字段

Function

(Information)DescriptionNR小区下行频率和带宽

spCellConfigCommon.frequencyInfoDLspCellConfigCommon.initialDownlinkBWPNR小区上行频率和带宽spCellConfigCommon.uplinkConfigCommon.frequencyInfoULspCellConfigCommon.uplinkConfigCommon.initialUplinkBWPNR小区PRACHspCellConfigCommon.uplinkConfigCommon.initialUplinkBWP.rach-ConfigCommon解码RAR(PDSCH)的PDCCH配置spCellConfigCommon.initialDownlinkBWP.pdcch-ConfigCommon解码RAR(PDSCH)的PDSCH配置spCellConfigCommon.initialDownlinkBWP.pdsch-ConfigCommon公共信道上PUSCH信道配置spCellConfigCommon.uplinkConfigCommon.initialUplinkBWP.PUSCH-ConfigCommon专用信道（msg4和其他）的PDCCH配置spCellConfigDedicated.initialDownlinkBWP.pdcch-Config专用信道（msg4和其他）的PDSCH配置spCellConfigDedicated.initialDownlinkBWP.pdsch-Config专用信道（msg4

应答和其他）的PUCCH配置spCellConfigDedicated.initialDownlinkBWP.pdcch-Config专用信道（msg4

应答和其他）的PUSCH配置spCellConfigDedicated.initialDownlinkBWP.pdcch-ConfigTDD模式UL/DL配置spCellConfigCommn.tdd-UL-DL-ConfigurationCommonspCellConfigDedicated.tdd-UL-DL-ConfigurationDedicated3.RRC消息示例

RRCConnectionReconfiguration-v1430-IEs::=SEQUENCE{

sl-V2X-ConfigDedicated-r14

SL-V2X-ConfigDedicated-r14

OPTIONAL,

--NeedON

sCellToAddModListExt-v1430

SCellToAddModListExt-v1430

OPTIONAL,

--NeedON

perCC-GapIndicationRequest-r14

ENUMERATED{true}

OPTIONAL,

--NeedON

systemInformationBlockType2Dedicated-r14

OCTETSTRING(CONTAININGSystemInformationBlockType2)

OPTIONAL,

nonCriticalExtension

RRCConnectionReconfiguration-v15x0-IEs

OPTIONAL}

RRCConnectionReconfiguration-v1510-IEs::=SEQUENCE{

nr-Config-r15

CHOICE{

release

NULL,

setup

SEQUENCE{

endc-ReleaseAndAdd-r15

BOOLEAN,

nr-SecondaryCellGroupConfig-r15

OCTETSTRING

OPTIONAL,

--NeedON

p-MaxEUTRA-r15

P-Max

OPTIONAL

--NeedON

}

}

OPTIONAL,

--NeedON

sk-Counter-r15

INTEGER(0..65535)

OPTIONAL,

--NeedON

nr-RadioBearerConfig1-r15

OCTETSTRING

OPTIONAL,

--NeedON

nr-RadioBearerConfig2-r15

OCTETSTRING

OPTIONAL,

--NeedON

tdm-PatternConfig-r15

CHOICE{

release

NULL,

setup

SEQUENCE{

subframeAssignment-r15

SubframeAssignment-r15,

harq-Offset-r15

INTEGER(0..9)

}

}

OPTIONAL,

--NeedON

nonCriticalExtension

SEQUENCE{}

OPTIONAL}

RRCConnectionReconfiguration-v15x0-IEs

::=SEQUENCE{

endc-Config-r15

SEQUENCE{

scg-ConfigReleaseNR-r15

BOOLEAN,

sk-Counter-r15

INTEGER(0..65535)

OPTIONAL,

--NeedON

nr-SecondaryCellGroupConfig-r15

OCTETSTRING

OPTIONAL,

--NeedON

nr-RadioBearerConfig-r15

OCTETSTRING

OPTIONAL,

--NeedON

nr-RadioBearerConfigS-r15

OCTETSTRING

OPTIONAL,

--NeedON

tdm-PatternSingle-Tx-r15

SEQUENCE{

subframeAssignment-r15

SubframeAssignment-r15,

harq-Offset-r15

INTEGER(0..9)

OPTIONAL

--NeedON

}

OPTIONAL

--NeedON}

OPTIONAL

--NeedON

nonCriticalExtension

SEQUENCE{}

OPTIONAL}

nr-SecondaryCellGroupConfig1-r15,nr-SecondaryCellGroupConfig2-r15

:Includes

NRRRCReconfiguration

message.

ThefieldincludestheconfigurationofRBsconfiguredwithNRPDCP.

nr-RadioBearerConfig

:Include

NRRadioBearerConfig.MainlyforDRB,EPS,NRPDCPConfiguration

RRCConnectionResume-v15x0-IEs::=SEQUENCE{

sk-Counter-r15

INTEGER(0..65535)

OPTIONAL,

--NeedON

nr-Ra