3GPP5G射頻指標解釋包含發(fā)射和接收指標,圖片展示,適用于初級和中級射頻工程師

5G頻段分兩部分：FR1和FR2鼻米速以利到6/73GHx鼻米速以利到6/73GHx為主在3Gppt辦改中,5G的總體埴譜資源可以分為以下兩個FR[FrequencyRange)FR1:SuMG或段,也就是我們說的低頻減段.是5畝的主用頻段;其中3GHz以下的頻率我們稱之為sub3G,其余頻也稱為Gband□FR2:圣米波.3就是我咕溟的高速凝毆,為沁的擴展頻段,蒜后變浮豐宿卜面是FR1也就是sub6G的頻段表:

HRoperatingbandUplink(UL)operatingbandBSreceive/UEtransmitFuL_Iow_FuL_hiBhDownlink(DL)operatingbandBStransmit/UEreceiveFdl」*-FDL_highDuplexMeden11920MHz—1980MHz2110MHz-2170MHzFDDn21350MHz—1910MHz1930MHz-1S90MHzFDDn31710MHZ-1735MHZ13D5MHZ-1880MHZFDDn5824MhZ-849MHz669MHZ-894MHzFDDn72500Mhz-2570MHz2620MHz-269QMHzFDDn8880MH1一915MHz925MHz-960MHzFDDn12699Mhz-71SMHz729MHz-746MHzFDDn1476SMhZ-79&MHZ758MHZ-768MHzFDDnW315MhZ-830MHZ860MHZ-375MHzFDD口20832Mhz-362MHz791MHz-321MHzFDD1350MHz—1915MHz1930MHz-1995MHzFDD誣703Mhz-748MHz758MHz-803MHzFDDn30d2305M1Z-2315MHz2350MHZ-2360MHzFDDn342010Mhz-2025MHz2010MHz-2025MHzTDDn382570Mhz-2620MHz2570MHz-2620MHzTDDn391380Mhz-1920MHz18&0MHz-1920MHzTDDF1402300MHz-2400MHz23?？贛Hz-2400MHzTDDn412496Mhz-2690MHz2496MHZ-2690MHzTDDn483550Mhz-3700MHz3550MHz-3700MHzTDDn501432Mhz-1517MHz1432MHz-1517MHzTDD1427Mhz-1432MHz1427MHz-1432MHzTDDn651920Mhz-2010MHZ2TI0MHZ-2200MHZFDD4n661710Mhz-1780MHz2TI0MHz-2200MHzFDDn701695Mhz-1710MHz1995MHz-2020MHzFDDn71663Mhz-698MHz617MHz-652MHzFDD1741427Mhz-1470MHz1475MHz-1518MHzFDDn75N/A1432MHZ-1517MHZSDLn76N/A1427MHz-1432MHzSDLn773300Mhz-4200MHz3300MHz-4200MHzTDDn783300Mhz-3800MHz3300MHz-3800MHzTDDFl794400Mhz-5000MHZ4400MHZ-5000MHzTDDnao1710Mhz-1735MHzN/ASULn81880Mhz-915MHzN/ASULn82832Mhz-862MHzN/ASULn83703Mhz-748MHzN/ASULn841920Mhz-1980MHZN/ASULn861710Mhz-1780MHzN/ASUL[n90]2496Mhz-2690MHz2496MHz-2690MHzTDD"國內(nèi)運營商移動部署的5G頻段是n41和n79,聯(lián)通和電信部署的頻段都是n78,具體頻率范圍如下：中國移動：n41:2515~2675MHz,n79:4800~4900MHz;中國電信：n78:3400~3500MHz；中國聯(lián)通：n78:3500~3600MHz;3GPP中關(guān)于5GFR1（sub6G）的射頻指標要求都在38.101中，其中38.101-1和38.101-2分別定義的是SA架構(gòu)下FR1（sub6G）和FR1（毫米波）下的射頻指標要求，38.101-3是ENDC和5GCA組合下的5G射頻指標要求，ENDC就是我們現(xiàn)階段國內(nèi)運營商正在推行的NSA架構(gòu)。因為NSA架構(gòu)屬于過渡階段，運營商重點部署的是SA架構(gòu)，因此本文重點講述SA架構(gòu)下5G的射頻指標，也就是38.101-1。3GPP相關(guān)文檔下載地址：/ftp/Specs/archive/38_series/

發(fā)射指標：6發(fā)射特性Transmitterpower發(fā)射功率；2.1UEmaximumoutputpower最大發(fā)射功率T^ble6.2.1-1:UE 日53NRbandClass1(dBmJTolerance(dB)Cl-ass2(dBir)Tolerance(dB)Cla&s3聞Bin)Tolerance(dB)n123婷n223±2Jn323±2°n523墟n723包ne23i2°n1223±2°n1431*Z/-323±2°n1823支n2023±2Jn2523i2n2S23+2Z-2.5nSO23￡2n3423￡2n3823垃儂23￡2n4。23±2n4126+2/-3a23±2Jn4&23你-3n5023i2n5123￡2nS523￡2nS623￡2"口23垃n7123+2/-Z.5n7423n7726+2/-323⑵-3n7&26+2Z-323旬-3n7926+2/323+-2A3nflO'23￡2nS123￡2n8223垃n6323±2/-2.5n8423±223±2NOTE1:Pag^iciaMismaximumUEpowerspecifiedwithouttakin-gintoleranesNOTE2Pow&rclass3is.defaultpowerclassunlessothersiiestatedNOTE3:ReferstothetransmissionbandwidthsconfinedwithhFulj?aiMHzorFjL_nign-4MHzandFui.wgi*,themaximumoutputpawtisrelaxedbyreducingdielowertoteranc-elimitby1.5dB:caccounttheidFulJdw+4irrequirement以上測試取樣周期至少為1個子幀，1ms,除非特別說明，對各自支持的所有帶寬都有效6.2.2UEmaximumoutputpowerreduction最大發(fā)射功率回退5GNR允許終端在特定的調(diào)制方式、特定的RB分配機制下，適當回退最大發(fā)射功率，以適應高階調(diào)制帶來的發(fā)射指標超標或者占用帶寬超標的問題；

Table6.2.24MaxnmijRipowerreduction(MPR)forpowerclass3ModulationMPR(dB)idgeRBallocationsOuterRBallocationsInnerRBaHocardons□FT-^-OFDMPh'2BPSK<3,5<1?2's0.2'0.5上口一5,年QPSK￡1D16QAM*1加QAM<2,5256QAM4.5CP-OFDMQPSKS3S15帕QAM64QAM￡3525&OAMNOTE1：!ApplicableforUEop^raiinginTDDmediawrtHPl.QPBSKmodulartionandUEIndicatessupportforUE亡總旭圖1野p口03而q-p鈾PSKandiftheIEgwerBgs爐儂PSK語setto1and40%orlessslotsinradioframeareus?-dfarULtransmissionforbands04aM1,n77,n78andn79IHh，r?f*r?nc?pwwrof0dBMPRis26dBm.NOTIE2:ApplicabhforUE?附r對片ginFDDmod*,oriwiTDIDmode話b辦ndsolhwthanft4D,n41,n77,nZSandm79andIftheIEissftttei0endSfimoratfian40%ofN口用inredioframe-ar?us?dforULtransmissionforb^ndsrMEn4Lnt?7,n7Sandn79.2.3UEadditionalmaximumoutputpowerreduction額外最大發(fā)射功率回退額外最大功率回退是網(wǎng)絡端基于雜散的額外要求而設定的，額外最大功率回退值和最大功率回退值不能重復疊加，取最大值做回退，二二二二二二個二三二二-二三一特定頻段特定RB信令連接的最大功率回退Table-2;A-MPRforNS_100(LTRAprotection)Modulation^WaveformOuter(dB)Pi/2BPSK<2QPSK<216QAM<2.564QAM<3256QAM<4,5CP-QFDMQPSK<416QAM<464QAM<4256QAM<6,5NOTE1NOTE；Void!:VoidOutputpowerdynamics輸出功率動態(tài)范圍Minimumoutputpower最小輸出功率TheminimumcontrolledoutputpoweroftheUEisdefinedasthepowerinthechannelbandwidthforalltransmitbandwidthconfigurations(resourceblocks),whenthepowerissettoaminimumvalue.Theminimumoutputpowerisdefinedasthemeanpowerinatleastonesub-frame1ms.TheminimumoutputpowershallnotexceedthevaluesspecifiedinTable6.3.1-1.最小發(fā)射功率的概念我們不應該陌生，無論是Wcdma還是LTE都有這項指標要求，在最小1個子幀(1ms)的測試周期內(nèi)，所有帶寬和RB配置下，都應該滿足最小發(fā)射功率小于某個規(guī)定的大小。這個指標的含義是手機終端和基站足夠近的場景下，手機應該能夠響應基站的要求，發(fā)射足夠小的功率出來，從而可以最大可能的長時間上網(wǎng)。

Table6.3.1-1:MinimumoutputpowerChannelb^ndwi-dth(MHz)Minimumoutputpower(dBm)Measurementbandwidih(MHz)5-40'4.51510-4019.57515-4011423520-40'19,095253923,95530-38223.81&40-3738一09550-364861560-3525a3580-3475.1590-3358523100-33弱31TransmitOFFpower發(fā)射關(guān)功率TransmitOFFpowerisdefinedasthemeanpowerinthechannelbandwidthwhenthetransmitterisOFF.ThetransmitterisconsideredOFFwhentheUEisnotallowedtotransmitonanyofitsports..ThetransmitOFFpowerisdefinedasthemeanpowerinadurationofatleastonesub-frame(1ms)excludinganytransientperiods.ThetransmitOFFpowershallnotexceedthevaluesspecifiedinTable6.3.2-1.發(fā)射關(guān)功率的概念和LTE完全相同，網(wǎng)絡要求終端關(guān)閉發(fā)射的時候，射頻收發(fā)器的發(fā)射電路和PA都關(guān)閉，此時在射頻口測試到的功率既是發(fā)射關(guān)功率，測試周期也是至少1個子幀(1ms)。這個指標反映的是終端保持安靜的能力，主要是測試射頻發(fā)射前端電路是否徹底關(guān)閉，以及是否有自激或者接收電路的鎖相環(huán)電路有無泄露等。Table6_3_2-1:TransmitOFFpowerChannelbandwidth(MHz)TransmitOFFpowerMBm)Measurementbandwidth(MHz)5-504.515109.3751514,23520-：：19,095252395530-：：28.8154038.0955048,61560-5058.35807B1590-二8823100-5096316.3.3TransmitON/OFFtimemask發(fā)射功率開關(guān)模板

GeneralON/OFFtimemask通用開關(guān)模板10us內(nèi)完成功率10%-90%和90%-10%的上升和下降過程PRACHtimemaskPRACH時間模板SRStimemaskSRS時間模板6.3.4Powercontrol功率控制Absolutepowertolerance絕對功率容限Relativepowertolerance相對功率容限Aggregatepowertolerance合計功率容限Transmitsignalquality發(fā)射信號質(zhì)量Frequencyerror頻率誤差要求的頻率誤差是載波頻率±0.1PPM，測試周期1msTransmitmodulationquality發(fā)射信號調(diào)制質(zhì)量ErrorVectorMagnitude矢量誤差幅度Q

Table642.1-1：RequirementsforErro「VectorMagnitudeParameterUnitAverageEVMLevelPi/2-BPSK%30QPSK%17,516QAM%12.564QAM%e256QAM%3.5對非256QAM的調(diào)制方式來說，測試功率只要求比最小發(fā)射功率高即可，而256QAM的測試要求功率比最小功率高10dB以上。也就是說并不需要在最大功率下測試EVM，大多數(shù)場景下只需要比最小功率大即可，但我們測試往往是設置的最大功率，這樣的場景最惡劣，也最容易發(fā)現(xiàn)問題。Table-2:ParametersforErrorVectorMagnitudeParameterUnitLevelUEOutputPowerdBm>Table6.3.1-1UEOutputPowerfor256QAMdBm>Table6.3.1-1+10dBOperatingconditionsNormalconditionsTable6.3.1-1:MinimumoutputpowerChannelbandwidth(MHz)Minimumoutputpower(dBm)Measurementbandwidth(MHz)5-404.51510-409.37515-4014.23520-4019.09525-3923.95530-38.228.81540-3738.89550■364a61560-35.258.3580-3478.1590-33.588.23100?3398.31Carrierleakage載波泄露Carrierleakageisanadditivesinusoidwaveformwhosefrequencyisthesameasthemodulatedwaveformcarrierfrequency.Themeasurementintervalisoneslotinthetimedomain.Inthecasethatuplinksharing,thecarrierleakagemayhave7.5kHzshiftwiththecarrierfrequency.Therelativecarrierleakagepowerisapowerratiooftheadditivesinusoidwaveformandthemodulatedwaveform.TherelativecarrierleakagepowershallnotexceedthevaluesspecifiedinTable.4.2.2-1載波泄露是一種由于串擾或者直流偏移造成的干擾，表現(xiàn)為未經(jīng)調(diào)制的載波頻率上的正弦波。這是一種幅度恒定且與信號幅度相對立的干擾。信號的IQ分量會對中心的子載波造成干擾，尤其是輸出的調(diào)制信號較小的時候影響更大，本測試項以載波泄露的形式測試UE發(fā)射機的調(diào)試質(zhì)量。

Table-1:RequirementsforCarrierLeakageParameterRelativeLimit(dBc)Outputpower>10dBm-280dBm<Outputpowe「<10dBm-25-30dBrri<Outputpower<0dBm-20-40dBm<Outputpower<-30dBm-10In-bandemissions帶內(nèi)雜散Thein-bandemissionisdefinedastheaverageemissionacross12sub-carriersandasafunctionoftheRBoffsetfromtheedgeoftheallocatedULtransmissionbandwidth.Thein-bandemissionismeasuredastheratiooftheUEoutputpowerinanonallocatedRBtotheUEoutputpowerinanallocatedRB.Thebasicin-bandemissionsmeasurementintervalisdefinedoveroneslotinthetimedomain;however,theminimumrequirementapplieswhenthein-bandemissionmeasurementisaveragedover10sub-frames.WhenthePUSCHorPUCCHtransmissionslotisshortenedduetomultiplexingwithSRS,thein-bandemissionsmeasurementintervalisreducedbyoneormoresymbols,accordingly.Theaverageofthebasicin-bandemissionmeasurementover10sub-framesshallnotexceedthevaluesspecifiedinTable-1.帶內(nèi)雜散定義為，12個子載波0RB的功率和滿RB的功率之比，這個指標反映的是分配部分RB的時候?qū)?nèi)其他RB資源的干擾情況，因為都是分配帶寬內(nèi)，故稱為帶內(nèi)雜散。Table6.4,2.3-1:Requirementsforin-bandemissioniParameterdescriptionUnitLimit(NOTE1)ApplicableFrequenciesGeneralgiih{-25-1010^(^/^^)士0，匕當口七支IF—3—5?q占兩|一1卜4■電，-57c75^m10也生/占CS門泊跖)一苗}Afiiynon-allcxated(NOTE2)IQlinagedB-28Imaqefi^qu白片白白&u^h&noulput口的旬.>10dBmImagefrequencies(NOTES2,3)-25Imagefrequencieswhenauiputpower￡10dBmCarrierleakagedBc-26output[x)w&r>iodBmC&merleakagefrequency(NOTES4S5)-250dBm<OulputpovjeriI'ldGm-20-30dBm<Output忡帕r<0<!6in-10-40dBm<Dulpulpower<-30dBmNOTE1:Anin-bandemissionscombinedlimiitisevalusatedineachnani-allocatedRB.Forea-clhsuchRB.theminimumreqiuiiementiscalcuiateoasthehigherofF期-30dBaodUiepowersumofallhmitvalues(Gen-eral,IQIm-ageorearnerleakage)in^tapplyP附isaefinedinNOTE10.NOTE2Therne^suremcntbandwdth1RBandIhelimit博expreswdasaratioq『Eeasucedpwerrncm號nonallocatedRBtothemeasuredaveragepowerperallocatedRB.wheretheaveragingisdoneacru55日IIallocatedRBs.NOTE3.Theapplicablefrequenciesforthislimitaretiiosethatareenclosedinthe「ellecti口nofliieallocatedbarwidth.bosedons、口imeirywithrespecttoth&carrierleakagefrequency,butexciudnngHnyallocatedRBs.notedThemeasurementbandwidthisirbandmeumHisexpressedasaratio8measuredF>owermonenonallocatedRBtolihemeasuredtotalpowermallallocatedRBs.NOTE5_Theapplicablefrequenci&sforthis,limitdependontheparametertxDir&ctCu(YGntLacationinuptinkTxD/r&ctCun&ntIE,andarethosethatsnclosodsiinarmtheRBconiaBningtnqearnerleakagef「白queth匕*?！竔nthsIwoRBsimni&dbait6ly口dj甘eatMg由白earn@r frequencybutexcludinganyallocatedRBNOTE6.L”istheTransrrnssionBandwidtti(seesection5.3).NOTE7:Mreisth&TransmissionBandwidthComfiguratian(seesi&ction5.3).NOTE&EVMisthelimitspecifiedinTable6.-42.1-1forIhemodulationformatusedintheallocatedRBs.NOTE9,△涵isthestartingfrequencyoffsetbetweentheallocatedRBandthee后日5U「已dnoni-allo€atedRB(e.g?-1or=-1forthefirstadjacentRBoutsideoftheallocatedbandwidth?NOTE10I 3samavenagsofthetransmittedpowerover10sub-fram&snarnializsdbythenumberofallocatedRBs,measuredindBm

EVMequalizerspectrumflatnessRequirementsforPi/2BPSKmodulationOutputRFspectrumemissions輸出射頻發(fā)射頻譜Occupiedbandwidth占用帶寬Occupiedbandwidthisdefinedasthebandwidthcontaining99%ofthetotalintegratedmeanpowerofthetransmittedspectrumontheassignedchannel.Theoccupiedbandwidthforalltransmissionbandwidthconfigurations(ResourcesBlocks)shallbelessthanthechannelbandwidthspecifiedinTable6.5.1-1.Outofbandemission帶外雜散TheOutofbandemissionsareunwantedemissionsimmediatelyoutsidetheassignedchannelbandwidthresultingfromthemodulationprocessandnon-linearityinthetransmitterbutexcludingspuriousemissions.Thisoutofbandemissionlimitisspecifiedintermsofaspectrumemissionmaskandanadjacentchannelleakagepowerratio.帶外雜散包含SEM和ACLR兩部分，其中SEM單位是絕對值dBm,而ACLR單位是相對值dBC。Spectrumemissionmask發(fā)射頻譜模板△fOOB)startingfromtheThespectrumemissionmaskoftheUEappliestofrequencies(△fOOB)startingfromtheedgeoftheOOB。assignedNRchannelbandwidth.ForfrequenciesoffsetgreaterthanF

發(fā)射頻譜模板指的是channelbandwidth到△、四之間的頻譜，見上面的圖片SEM部分。OOB。Table.3-1:BoundarybetweenNRoutofbandandgeneralspuriousemissiondomainChannelbandwidthOOBboundaryAfooa(MHz)BVVdqnnpBWchannsI+5Table-1：GwisralNRspectrumemissionmaskSpectrumemissionHmn(dBm}/Channsibandwidth[MH孫MHz10MHz15IMHz20MHz25MHzJOMHz40MHz5DMHz60MHz80MHz90MHz1ID0MHzMeasurementbarudwidth±0-1-13■13-13-13-13■13-131%channelgncMcfih±0-11-2474-24-24■2日30KHz±1-5-10-10■10-1D-1D-10-1D-10-10■10-10-101MHz±5-6-13-13-13-13-13■13-13-13-13-13-13-13t6-10-25±10-15-25+15-20-25±20-25-25±25-20-25+30-35-25±3X0+40-45-25t45-50±50-56-25i55-60+60-65-25±65-80±SO-85-25+85-如±90-95-25±95-100±100-105■25Adjacentchannelleakageratio臨道功率泄露AdjacentchannelleakagepowerRatio(ACLR)istheratioofthefilteredmeanpowercentredontheassignedchannelfrequencytothefilteredmeanpowercentredonanadjacentchannelfrequency.ACLR指的是指定的信道對相鄰的信道濾波后的平均功率之比，這個參數(shù)的好壞反映的當前終端對同系統(tǒng)的其他用戶的影響。NRACLR5GNR臨道功率泄露Table.1.3*1:MRACLRmeasurementbandwidthNRchannelbandwidthiNRACLRnn?ii5ureiri?ntbandwidthMHz1DMHz15MHz20MHz25MHz3。MHz44)MHz50MHzSOMHz8。MHz90MHz100MHzNRACLRmeasurerrientbandwodth4.5159.37514.23519.0952395528.8153S.8!??53.557B1503.2398.31Table.1.3*2;NRACLRrequirementPovwr。1石等s1Pqwofcl』零s2PowerCla5$3NRACLR31dB30dB

UTRAACLRUMTS制式臨道功率泄露UTRAadjacentchannelleakagepowerratio(UTRAACLR)istheratioofthefilteredmeanpowercentredontheassignedNRchannelfrequencytothefilteredmeanpowercentredonanadjacent(s)UTRAchannelfrequency.UTRAACLRisspecifiedforthefirstadjacentUTRAchannel(UTRAACLR1)whichcenterfrequencyis±2.5MHzfromNRchanneledgeandforthe2ndadjacentUTRAchannel(UTRAACLR2)whichcenterfrequencyis±7.5MHzfromNRchanneledge.和LTE類似，5GNR也有相應的對UMTS(WCDMA和TD-SCDMA)的鄰道干擾的指標，ACLR1指的是5G信道邊緣±2.5MHz，ACLR2指的是5G信道邊緣±7.5MHz。Spectrum-140--160451,OOOM43X)OOMii-5.000M 0.000F%queri-140--160451,OOOM43X)OOMii-5.000M 0.000F%queri以Hz1.0,DOOM15.000M指標要求如下：Table.2.3-1:UTRAACLRrequirementPowerclass3UTRAaclri33dBUTRAaclrs36dBSpuriousemissions發(fā)射雜散這里的發(fā)射雜散是通用的發(fā)射雜散，和LTE的要求非常類似，是outofbandemssions之外的頻譜要求。具體指標要求如下：Table6,5.3,1-2:RequirementforgeneralspuriousemissionslimitsFrequencyRangeMaximumLevelMeasurementbandwidthNOTE9 150kHz-36dBm1kHz150kHz<f<30MHZ-36dBm10kHz30MHz<f<1000MHz-36dBm100kHz1GHz<f<12,75GH2-30dBm1MHZ-25dBm1MHz31275GHz<f<5inharmonicoftheupperfrequencyedgeoftheULoperatingbandinGHz-30dBm1MHz112.75GHz<f<26GHz-30dBm1MHz2NOTE1:AppliesforBandthattheupperfrequencyedgeoftheULBandmore__than2.69GHzNOTE2:AppliesforBandthattheupperfrequencyedgeoftheULBandmorethan5.2GHzNOTE3:AppliesforBandn41,CAconfigurationsincludingBandn4l.andEN-□Cconfigurationsthatincluden41specifiedinsubclause5.2BofTS狙101-3［司MenNS_04issignalledTransmitintermodulation發(fā)射交調(diào)Thetransmitintermodulationperformanceisameasureofthecapabilityofthetransmittertoinhibitthegenerationofsignalsinitsnonlinearelementscausedbypresenceofthewantedsignalandaninterferingsignalreachingthetransmitterviatheantenna.UEtransmitintermodulationisdefinedbytheratioofthemeanpowerofthewantedsignaltothemeanpoweroftheintermodulationproductwhenaninterferingCWsignalisaddedatalevelbelowthewantedsignalateachtransmitterantennaportwiththeotherantennaport(s)ifanyterminated.BoththewantedsignalpowerandtheintermodulationproductpoweraremeasuredthroughNRrectangularfilterwithmeasurementbandwidthshowninTable6.5.4-1.TherequirementoftransmitintermodulationisspecifiedinTable6.5.4-1.發(fā)射交調(diào)反映的是天線口的非線性特性，分別在中心頻點士信道帶寬和2*信道帶寬加注-40dBC的CW信號，測試交調(diào)產(chǎn)物分別不超過-29dBc和-35dBC。Table6.5.4-1;TransmhIntermodulationWantedsignalchannelbandwidthBW^nanneiIncerrerence$ignaifrequencyoffsetfromchannelcenterBW-ChajirdinterferenceCWsignali$v$l-40dBcInlArrTiodlulalionproduct<-29dBce-35dBcMeMursmantbandwidthThemaximumtransmissfciriband'^idtiicmfigurationamongthedifferentSGS'sforthechannelBWasdefinedinTableJ-1Maasurement冊詢fgrnchannelcenterBWcharnel-andABWchann般Z*BWciwnneland4*印"匕麗足］7Receivercharacteristics接收特性Diversitycharacteristics分集特性Referencesensitivity參考靈敏度接收靈敏度，應該是射頻領域中最基本的概念之一，是表示接收機能夠在不超過一定誤碼率的情況下識別的最低信號強度。這里說誤碼率，和LTE一樣，是沿用GSM和WCDMACS(CircuitSwitched,電路域交換)時代的定義作一個通稱。在多數(shù)情況下，BER(BitErrorRate，誤比特率)或PER(PacketErrorRate，誤包率)用來考察靈敏度。而5GNR和LTE一樣用Throughput(吞吐量)來表征靈敏度，用吞吐量不低于95%的最小信號表征5GNR的靈敏度。先來看下靈敏度的計算公式：Sensitivity=10log10(KT0)+10log10(BW)+NF+CNRmin其中1010g10(KT0)表示的是室溫25℃的底噪-174dBm，在絕對零度-273℃時我們認為電子是不運動的，這個時候的底噪是-174dBm，室溫下電子有活動了，但底噪增加的非常有限，為了計算方便，室溫下的底噪還記做-174dBm。BW：BandWidth，帶寬；NF：NoiseFigure，系統(tǒng)的噪聲系數(shù)，一般指第一個低噪放的噪聲系數(shù)；CNRmin：MinimumCarrierNoiseRatioAllowed，系統(tǒng)解調(diào)所允許的最小載波噪聲比；以5GNR的20MHz業(yè)務為例，講解下5GNR靈敏度的由來。Sensitivity(LTE)=10log10(KT0)+10log10(BW)+NF+CNRmin=-174dbm+1010g10(19.08*10人6)+6db+(-1)dB=-174dBm+72.8+6dB+(-1)dB=-96.2dBmBW=20MHz業(yè)務實際占用帶寬19MHzNF=6db(這里的NF對系統(tǒng)來說就是第一級LNA之前的插損加上該LNA自身的噪聲系數(shù)NF)CNRmin:-1dbTabteT.a-i-l:TwoantennaportreferencesensitivityQPSKPREFSENSOp-eratlngband-1SCS/Channelbanctwidthi^口OperatingSandkheMHZ/日皿10MHt(dBm]16MHZ(dBm)20MHIMEE]25[dBm)*Qmhe附40制MHLZId日也eomhe(dBm]80稗BE)?aMH￡(tiBtn)1Q0MHZ覽日刑D-uplexModenl15-1OQ.0-90S-95.0*3田FDD3D?97.t-96.1心軋口6D-S64包L2n215-ge.Q-M.S-&3.0-gtsFDD3D-96.11-&3.1-92.060-95.S-934-S2.2n315-07.0-92.0-0O.G-09.7-es.flFDD3Q-94.1■&2.1-9LD-ae.o6Q-94.5-&24-SI.2-tlO.D-89.1n5IS-63.0-W.3FDD3Q-96.1■&3.1-91.06Gn7'15-90.0-94.S-93.0FDD30-05.11-53-I-92.060-騎4-92.2iHI5-97.0-92.0-90.0FDD30-94.1-G2.1-90.260n1215-97.0-913.S■64.0FDD30-94.11-0416Gn1415-97.DFDD30-94.Hatingband/SCS/Channelbaixlwidlh/Duplex-modeOperatingBandscskHz605MHz(dBm)10MHz(dBm)15MHz(dBm)20MHz(dBm)25MHz(dBm)30MHz(dBm)40MHz(dBm)5QMHz(dBm)60MHz(dBm)80MHz(dBm)90MHz(dBm)100MHz(dBm)DuplexModenl815-100.0-96.8-95.0FDD30-97.1-95.160n2015-97.0-93.8-91.0-89.8FDD30-94.1-91.1-90.060n2515-965-933-915-903FDO30-936-916-905CO-940-919-907n2815?985-95.5-93.5-90.8FDD30-95.6-93.6-91.060n3015-99.0-95.8FDD30-96.160n3415-1000-968-950TDD30-971-95160?975-954n38‘15-100.0-96.8-95.0-93.8TOD30-97.1-95.1-94.060-97.5-95.4-942n3915-100.096.8-95.0-93.8-92.7-91.9-90.6TDD30-97.1-95.1-94.0-92.8-92.0-90.760?97.5-95.4-94.2-93.0-92.1-93.9MO15-1C00-96.8?95.0-93.8-92.791.9-93.669.6TDD30-971-951-940-928-920-907697689-87660?975-954-942-gar?921-93.9698-89.1-876ndV15-94.8-93.0-91.8儂.6-37.6TOD30-95.1-93.1-92.0￡8.7-37.7-36.9?85.6-85.1-84.760-95.5-93.4-922-88.9-37.8-37.1-85.6-85.1-84.7MS115-99-95.8-94.0-92.7-89.688.6-TDD30-96.1-94.1-92.9-897S8.76-S7.96-sc.e6-86.1s60-96.5-94.4-93.1-89.9儂.8：-88.0sT67c-86.2°-85.7°n5015-1C€0-96.8-95.0-93.8-91.9-93.669.6TDD30-971-951-940-920-907697689-87660?975-954-942-921-93.9698-89.1-876n5115-1000TDD3060n6515-99.595.3-94.5-93.3FDO30-96.6-94.6-93.660-97.0-94.9-93.7n6615-99.5-96.3-94.5-93.3-93.1FDO30-966-946-935-90.260-970-949-937-93.4nro15on?100。-968?950AC5-9380/H-927a，aFDD□U60-Vr.1-97.5-W.l-95.4-942-Wx.o-93.0. "115-97.294.0-91.6-86.0FDD01P.iMin。m和日scskHzMHz1clsm)10MHz{dSmjISMHz(dBm)20MHz(dSm)25MHzIdBni)WMHz[dBm!40MHz(d&mj50MHz(dBmi)SOMHtE|dBm)8QMHz(dgm)就MHz(dBmif100MHz和Be)士XM"號3D-94.3-&I.9-6746D07415-09.5J-90l/-94.5,■03.3，F(xiàn)DD30-Q6.61-94J63-03.5360-97.01-94.91-93.73rt7?|J,15-95.3-G3.5-922-89.1-&61TD90電5.6-93.6-92.4-89.2-^8.2悶A-8e.1-65.e婚180-96.0-93.9-92田-89.4-&B.3-S7.S-86.2-&S.755.2n7€,15-95.0-94.0-927-89.6-aes.eTDD30-96.1-94.1-92fi-S9.7-&B.7用9-86.6-86.1-65.66。-96.5-94J-^3.1-89.-Q■&B.B-S0.Q-86.7-&6.2il79115?西田柳fTDD30-0^.7-脆了知9■的.5-55.06D?89田■&0.8期。-眄了5星Tnote1F-ourRxantoonapansshall口口thebaseline*orthis口儂「司”euaMoscsptTortwoRx仁川整UE.NO7E2.ThetronsmultershallbesettoPu“aosdefinedinsubcJ^u^e6.2.4NOTE3:Tfrierequirementismodifiedby-0.5dBwhenIheassignedNRctiianrelbsind巽idllhiscanfinsdwrthin1475.9—1510坐MHzNO7E4'T^erequirementismodifiedby-0.5dBwhenflheassignedUEchannelband^idtriisconfinedwthm3300-3300ftiHzNQ7E5:Far由日幣ebdindmdtihMJh日minimumrequirsmiBnisareresindtedtoDperaticnwhencanrierisconFigursdas□downlinkGanEerportcfCAPonfiguM口nMaximuminputlevel最大輸入電平測試方法：上行功率設置為最大功率-4dB,DFT-S-OFDMQPSK,RB設置見下圖提到的表（在文檔38.521-1中），下行配置成CP-OFDM64QAM和CP-OFDM256QAMTestParametersforChannelBandwidthsDownlinkConfigurationUplinkConfigurationModulationRBallocationModulatloriRBallocationCP-OFDM64QAMNOTE1DFTs-OFDMQPSKNOTE2CP-OFDM256QAMNOTL1DFT-s-OFDMQPSKNOTE2NOTE1ThespecificconfigurationofdownlinkRBaNOTE2：ThespecificconfigurationofuplinkRBalloclocalionisdefinedinTable-2.tatjonisdefinedinTable73.2,4.1-3.要求在輸入如下表格的電平時，吞吐量throughput不小于95%。Table7.4.3-1:MaximuminputlevelRxParanaettrUnitsChannelbandwidth5 10MHzMHzIS20MHzMHz25MHz30MHz4DMHz$0MH工$0BoMH工MHl901QDMHzMHzPowerinTransimssionBandwidthConfiguraliondBm-252，卻?卻?普-212-2事-27J-263-2F-233-221NOTE1,Thetransmittershallbes自lto4dBbelowTable7.3,2.3-3with代曲」居definEinNOTE2:ReferencemeasurementchannelisAnne.NOTE3:ReferencerneasuiementchannelisAnnePcmv_lattheminimumuplinkconfigurationsp&cifi&dinsubclauM624.kA.3.2.3/A,3.3.3for&4-QAM.KA.3.2.4/A.33.4for256-QAMAdjacentchannelselectivity臨道選擇性Adjacentchannelselectivity(ACS)isameasureofareceiver'sabilitytoreceiveanNRsignalatitsassignedchannelfrequencyinthepresenceofanadjacentchannelsignalatagivenfrequencyoffsetfromthecentrefrequencyoftheassignedchannel.ACSistheratioofthereceivefilterattenuationontheassignedchannelfrequencytothereceivefilterattenuationontheadjacentchannel(s).鄰道選擇性測試的是在主信道相鄰的信道加一個干擾信號，主信道靈敏度惡化的情況能否滿足要求。ACS指標是主信道的濾波器衰減值對相鄰信道的濾波器衰減值之比。測試方法：<2700MHz的頻段Case1:主接收信號的電平設置為REFSENS+14dB，干擾功率大小REFSENS+32.5dB，干擾信號帶寬5MHz,干擾信號的頻率±52.5MHz。Table了力,3?3;TestparametersfarHRbandswitliFDL加皿*2700MHzandFuL_nioh<270口MHz,case1RXparameterUnftsCcannelbandwidth5MHz10MHz15MHz2DMHz25MHzPowerintransmissionbendwidthconfigurationdBmFFSENS+14dBPin哈悵1百dBmREFSENS+[45.5]dEREFSENS*L45.5]dBRLFSENS+[42,5]dBREFSENS+[395]dEREFSENS+I3a.5]d0MHz55555Finieriwer(OffS&t)MHz51-57.5J-7510/-1012.5/-12515J-15RXparameterUnitsChannelbandwitth3。MHz40MHZ50MHZtoMHz80MHzPowermtransmissionbandwidthconfiguratioindBmREFSENS+14dBPinfetrfcntrdBmREFSEINS*[38]dBREFSENS+[36,5]dBREFSENS+[35.5]dBREFSENS+[35]dBREFSENS+[335]dBBWiniarterafMHz55555FnlErierer(OffSSt)MHz17.5-17.5225-22.527527.532.5-32.5425口之與RXparameterUnitsClannelbandwidth90MHz100MHzPowderintransmissionbandwidthconfigurationdBmREFSENS414dBPins&rfererdBmREFSENS-[33]dBREFSENS+132.S]dBBWrrrterfens-MHz55Fifiuriwer(offset)MHz47.5/-47.552.5f3.5NOTE1-Thstransmittershallbesetto4dBIb&lowRcmzl在為ttheminimuimLJLconfigurationsp◎cifi&dinTable-3withPcmaxjj^：definedinclause6.2.4.NOTE2:Theabsolutevalue□(theinterfeireroffsetF川制修厘(offset)shoIIbefurtheradjustedto1rli1M|/SCS~|-i-0.5)SCSMHzwirtlhSCSthesub-earnerspacingofthewantedsignalinMHw.Th白in[g史reris白nMRwigri雷with@mSCSgguM1。thHerfme蟲白MBdsiem白LNOTE3:TheinrterfererconsistsortnenhmferfererRMCspecifiedinffsCase2:主接收信號的電平設置為-43.5dBm,干擾功率大小-25dBm,干擾信號帶寬5MHz,干擾信號的頻率±52.5MHz。

Table7,5.3-4：TestparametersforNRbandswithFDLnnh<2700MHzandFuL^mn<2700MHzhcase2RXparameterUnit總Clcannelbandwldth5MHz1DMHz15MHz2DMHz26MHzPowerintransmissionbandwidthconfigurationdBm[-5&5J[-56.51F53.5][-505J[-40.5]PinterfererdBm-25BWiiterferei-MHz55555Frrteriwer(OffS&t)MHz5/-57.5/-7.510f-1012.5/-12.5I5}-15IRXparameterUnitsChannelbandwidth30MHz40MHz50MHz6DMHEaoMHzPowerintransmissionbandwidtriconfigurationdBmL-49][47][-46^1[46][-14.5]Pin的曲儂dBm-25BWhfffrfeEMHz55555FinwrlW￡?r(offset)MHz17.5-17.522.5-22.527.5-27.532.5-32.5425-42.5RXparameterUnitsChannelbandwidth前MHz100MHzPowerintransmissionbandwidthccmfigurstiondBm[-44][43.5]PinlfirfsrardBm-25BWnterterefMH755Firo4riwer(offset)MHz47.5/-47.552.5/-52.5NOTE11TheTransmittershallbesetto24dBbalowPcwia^l,^atttieminimumULconfiguratkmspecifiedinTable-3withPcu^_L,i,cd&finadinclause6.24.NOTE2.TheabsolutevalueofItieintsrfereroffsetFine的面(offsel)shallbefurtheradjustedto(T|f&*/15cs]+MHzwitriSCSth&s(itxarr>e(spacingofthewantedsignalinMHz.Th€mter-rer的自n網(wǎng)寫sign削州由白nSCS的uait?由州Mth€6自med$凹間.NOTE3,Theinterf日n&rconsistsMtn日kmcs斷meain「「￡一 一一>3300MHz的頻段Casel:主接收信號的電平設置為REFSENS+14dB，干擾功率大小REFSENS+45.5dB，干擾信號帶寬BW,干擾信號的頻率土BW。RXpararyi^tHrUnitsCnannelbandwidth10MHz15MHz20MHz40MHz50MHzPoviferintransmissionbandwidthconfigurationdBmFEFSENS+14tIBPmlerterwdBmREFSEN3+[45,5]dBBWinter!ctfi,MHz1015204050Finfcertentr(OffSSt)MHz10i-10151-1520/?？?0iY050(ERXpararyi^tHrUnitsCnannelbandwidth60MHz50MHz90MHz100MHzPoviferintransmissionbandwidthconfigu間IondBmRFFSENS+14dBPmlerterwdBmREFSENS+[45.5]dBREFSENS+[45,5]dBREFSENS+[45,5]dBREFSENS十[45,5]dBBWnlerlerefMHz608090100Firrerterer(offset)MHz60/-60801-6090/-901001100NOTE1-Thetransmitter5hallbesetto4dBb&lowPcmaj_l,i,cattheminimumULconfigurationspecifiedinTable7323-3withPcm*x_l,t,cdefinedinclause6.2,4NOTE2:Theab$oluievalueoftheinterfereroff$eiFin:r(offset)thanbefunneradjustedto山耳“fewI■'scs]-i-o,?JscyMHzwithSCSUieaub-carrlerspacingofthewantedsiginalInMHz.Th-inteman&ri0日nMR匐gnM吧han§二號同加1tQjhatufthewantedsignalNOTE3'Theinterfererm呷弱與MtHRMC$pscifiedinffsCase2:主接收信號的電平設置為-56.5dBm,干擾功率大小-25dBm,干擾信號帶寬BW,干擾信號的頻率土BW。Table7,5J-6:TestparametersforNRbandswithFiJLjiW￡3300MHz曰nd%L星之3300MH即ease2RXparameterUnitsCnannelbandwidth10MHz15MHz20MHz40MHz50MHzPowerintransmissionbandwidthconfigurationdBm[-56.5]PiriberfererdBm-25BWinterlmfMHz10152D4050FiMerterer(offset)MHz10i-1015i-1520/-20啟口1-4050I-50RXparameterUnit*cnannelbandwidih50MHz80MH工90MHz10OMHzPoweriniransmls5lonbandwidthcdrih5urauondBm[-565]PiRWgradBm-25-25-25-25BWiniErferwMHz60ao9010。FiiMwiener(0ffS6t)MHe的i-6080i-8090/-90100t■100NOTE1-Thetransmitterghgllbe§ettd24dBbelowPcm*w_l,t,cattheminimumULconfigurahonspecifiedinTable7.32.3-3withPcMAJCL.udefhedInclause6.2,4NOTE21Theabsolutevalueoftheknt&rf&reroffsetFr^riErer(offset}shallbefurtheradjustedlo(尸必tr|.；5C5-ho,5)5c$MHzwithSCSthesu"carrierspacingo(thewarnedslgnallinMHzTti-interf型鵬口」號nN握sJgnmlwith一門83equnitoth亨tdfjthgwantedsignalNQTE3-Pi金i口恰rfer?穹rccn&居