天线端口.docx
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1、天线端口(antennaport)在LTE中,就有天线端口的定义和使用,而且还分上下行进行的定义,上行的定义如下:Anantennaportisdefinedsuchthatthechanneloverwhichasymbolontheantennaportisconveyedcanbeinferredfromthechanneloverwhichanothersymbolonthesameantennaportisconveyed.Thereisoneresourcegridperantennaport.Theantennaportsusedfortransmissionofaphysica
2、lchannelorsignaldependsonthenumberofantennaportsconfiguredforthephysicalchannelorsignalasshowninTable5.2.1-1.Theindexpisusedthroughoutclause5whenasequentialnumberingoftheantennaportsisnecessary.Table5.2.1-1:AntennaportsusedfordifferentphysicalchannelsandsignalsPhysicalchannelorsignalIndexpAntennapor
3、tnumberpasafunctionofthenumberofantennaportsconfiguredfortherespectivephysicalchannel/signal124PUSCH01020401-21412-423-.43SRS01020401-21412-423-43PUCCH,SPUCCH0100200-1-201-而对于下行来说,协议的定义如下:Anantennaportisdefinedsuchthatthechanneloverwhichasymbolontheantennaportisconveyedcanbeinferredfromthechannelove
4、rwhichanothersymbolonthesameantennaportisconveyed.ForMBSFNreferencesignals,positioningreferencesignals,UE-specificreferencesignalsassociatedwithPDSCH,demodulationreferencesignalsassociatedwithSPDCCH,anddemodulationreferencesignalsassociatedwithEPDCCH1therearelimitsgivenbelowwithinwhichthechannelcanb
5、einferredfromonesymboltoanothersymbolonthesameantennaport.Thereisoneresourcegridperantennaport.ReferenceSignalTypeAssociatedAntennaPortsCell-SpecificReferenceSignalP=0,P0,l),Pe0,l,2,3MBSFNp=4UE-SpecificReferenceSignalp=5,p=6,p=p=8,one/severalofp7,8,9,10,ll,12,13,14DMRSforEPDCCHp107,108,109,110Positi
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- 天线 端口
