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标题: 4G网络中NR邻区的广播消息SIB24 [查看完整版帖子] [打印本页]
时间: 2021-2-28 12:12
作者: litom2004
标题: 4G网络中NR邻区的广播消息SIB24
本帖最后由 litom2004 于 2021-2-28 12:13 编辑
为于便于终端在4G网络中重选到5G(NR)网络,3GPP在36.331的R15版本中增加了SIB24消息;空闲态下的终端接收到该消息后,根据其内容对5G(NR)小区进行测量,当满足其条件时重选到5G(NR)网络;SIB24的内容如下:
SIB 24: InterRAT/NR Neighbouring cells for cell reselection.-----SIB24:频间/NR邻区重选
SystemInformationBlockType24-r15 ::=SEQUENCE {-----系统消息Type24-r15
carrierFreqListNR-r15 CarrierFreqListNR-r15OPTIONAL, -- Need-----载波频率列表NR-R15:
t-ReselectionNR-r15 T-Reselection,-----t-NR重选R15(时间):
t-ReselectionNR-SF-r15 SpeedStateScaleFactorsOPTIONAL, -- Need OR-----t-NR重选-速率因子R15(时间):
lateNonCriticalExtension OCTETSTRING OPTIONAL,...}
CarrierFreqListNR-r15 ::=SEQUENCE (SIZE (1..maxFreq)) OF CarrierFreqNR-r15-----NR-R1载频列表
CarrierFreqNR-r15 ::= SEQUENCE { carrierFreq-r15 ARFCN-ValueNR-r15,-----载波频点
multiBandInfoList-r15 MultiFrequencyBandListNR-r15OPTIONAL, -- Need OR-----多频段指示
multiBandInfoListSUL-r15 MultiFrequencyBandListNR-r15OPTIONAL, -- Need OR-----多频段SUL指示
measTimingConfig-r15 MTC-SSB-NR-r15OPTIONAL, -- Need OR-----测量时间配置(NR MTC-SSB)
subcarrierSpacingSSB-r15 ENUMERATED{kHz15, kHz30, kHz120, kHz240},-----子载波间隔
ss-RSSI-Measurement-r15 SS-RSSI-Measurement-r15OPTIONAL, -- Cond RSRQ2-----子载波RSSI测量
cellReselectionPriority-r15 CellReselectionPriorityOPTIONAL, -- Need OP-----小区重选优先级
cellReselectionSubPriority-r15 CellReselectionSubPriority-r13OPTIONAL, -- Need OR-----小区重选次优先级
threshX-High-r15 ReselectionThreshold,-----重选高门限(X-High)
threshX-Low-r15 ReselectionThreshold,-----重选低门限(X-Low)
threshX-Q-r15 SEQUENCE { threshX-HighQ-r15 ReselectionThresholdQ-r9,------重选质量高门限(X-High)
threshX-LowQ-r15 ReselectionThresholdQ-r9} OPTIONAL, -- Cond RSRQ------重选质量低门限(X-Low)
q-RxLevMin-r15 INTEGER(-70..-22),-------重选最小接入门限
q-RxLevMinSUL-r15 INTEGER(-70..-22) OPTIONAL, -- Need OR-----SUL重选最小接入门限
p-MaxNR-r15 P-MaxNR-r15,-----NR最大发射功率
ns-PmaxListNR-r15 NS-PmaxListNR-r15OPTIONAL, -- Need OR-----NS- NR最大发射功率
q-QualMin-r15 INTEGER(-43..-12) OPTIONAL, -- Need OP-----最小接入(质量)
deriveSSB-IndexFromCell-r15 BOOLEAN,-----SSB指示
maxRS-IndexCellQual-r15 MaxRS-IndexCellQualNR-r15OPTIONAL, -- Need OR-----小区质量RS指示
threshRS-Index-r15 ThresholdListNR-r15OPTIONAL, -- Need OR...,-----RS门限指示
[[multiBandNsPmaxListNR-v1550 MultiBandNsPmaxListNR-1-v1550OPTIONAL, -- Need OR multiBandNsPmaxListNR-SUL-v1550 MultiBandNsPmaxListNR-v1550OPTIONAL, -- Need OR ssb-ToMeasure-r15 SSB-ToMeasure-r15OPTIONAL -- Need OR]]}-----多频段指示,SSB测量配置
MultiBandNsPmaxListNR-1-v1550 ::= SEQUENCE (SIZE (1.. maxMultiBandsNR-1-r15)) OFNS-PmaxListNR-r15
MultiBandNsPmaxListNR-v1550 ::= SEQUENCE (SIZE (1.. maxMultiBandsNR-r15))OF NS-PmaxListNR-r15------多频段发射功率指示
整理:Kangguoying20210228
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