ETSI ETS 300 577 ed.15 (1999-12)

Digital cellular telecommunications system (Phase 2) (GSM); Radio transmission and reception (GSM 05.05 version 4.23.1)

RE/SMG-020505PRE

Digitalni celični telekomunikacijski sistem (faza 2) – Radijsko oddajanje in sprejemanje (GSM 05.05, različica 4.23.1)

General Information

• Status: Published
• Publication Date: 16-Dec-1999
• Technical Committee: SMG 2 - Radio
• Current Stage: 12 - Completion
• Due Date: 03-Dec-1999
• Completion Date: 17-Dec-1999
• Ref Project: SIST ETS 300 577 E15:2003 - Digital cellular telecommunications system (Phase 2) (GSM); Radio transmission and reception (GSM 05.05 version 4.23.1)

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2) (GSM); Radio transmission and reception (GSM 05.05 version 4.23.1)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipmentICS:Ta slovenski standard je istoveten z:ETS 300 577 Edition 15SIST ETS 300 577 E15:2003en01-december-2003SIST ETS 300 577 E15:2003SLOVENSKI
STANDARD
EUROPEANETS300577TELECOMMUNICATIONDecember1999STANDARDFifteenthEditionSource:SMGReference:RE/SMG-020505PREICS:33.020Keywords:Digitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRDigitalcellulartelecommunicationssystem(Phase2);Radiotransmissionandreception(GSM05.05version4.23.1)ETSIEuropeanTelecommunicationsStandardsInstituteETSISecretariatPostaladdress:F-06921SophiaAntipolisCEDEX-FRANCEOfficeaddress:650RoutedesLucioles-SophiaAntipolis-Valbonne-FRANCEInternet:[e-mail]-http://www.etsi.orgTel.:[phone]-Fax:[phone]CopyrightNotification:Nopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute1999.Allrightsreserved.SIST ETS 300 577 E15:2003

Page2ETS300577(GSM05.05version4.23.1):December1999Whilsteverycarehasbeentakeninthepreparationandpublicationofthisdocument,errorsincontent,typographicalorotherwise,mayoccur.Ifyouhavecommentsconcerningitsaccuracy,pleasewriteto"ETSIStandardsMakingSupportDept."attheaddressshownonthetitlepage.SIST ETS 300 577 E15:2003

Page3ETS300577(GSM05.05version4.23.1):December1999ContentsIntellectualPropertyRights.5Foreword.51Scope.71.1Normativereferences.71.2Abbreviations.82Frequencybandsandchannelarrangement.83Referenceconfiguration.94Transmittercharacteristics.94.1Outputpower.94.1.1Mobilestation.94.1.2Basestation.124.2OutputRFspectrum.144.2.1Spectrumduetothemodulationandwidebandnoise.154.2.2Spectrumduetoswitchingtransients.184.3Spuriousemissions.194.3.1Principleofthespecification.194.3.2Basetransceiverstation.204.3.3Mobilestation.214.4Radiofrequencytolerance.224.5Outputleveldynamicoperation.224.5.1Basetransceiverstation.224.5.2Mobilestation.224.6Phaseaccuracy.224.7Intermodulationattenuation.234.7.1Basetransceiverstation.234.7.2IntraBTSintermodulationattenuation.234.7.3IntermodulationbetweenMS(DCS1800only).234.7.4MobilePBX(GSM900only).235Receivercharacteristics.245.1Blockingcharacteristics.245.2AMsuppressioncharacteristics.255.3Intermodulationcharacteristics.265.4Spuriousemissions.266Transmitter/receiverperformance.266.1Nominalerrorrates(NER).276.2Referencesensitivitylevel.276.3Referenceinterferencelevel.276.4Erroneousframeindicationperformance.286.5Randomaccessandpagingperformanceathighinputlevels.29AnnexA(informative):Spectrumcharacteristics(spectrumduetothemodulation).34AnnexB(normative):Transmittedpowerlevelversustime.38AnnexC(normative):Propagationconditions.39C.1Simplewidebandpropagationmodel.39C.2Dopplerspectrumtypes.39SIST ETS 300 577 E15:2003

Page4ETS300577(GSM05.05version4.23.1):December1999C.3Propagationmodels.40C.3.1Typicalcaseforruralarea(RAx):(6tapsetting).40C.3.2Typicalcaseforhillyterrain(HTx):(12tapsetting).40C.3.3Typicalcaseforurbanarea(TUx):(12tapsetting).41C.3.4Profileforequalizationtest(EQx):(6tapsetting).41AnnexD(normative):Environmentalconditions.42D.1General.42D.2EnvironmentalrequirementsfortheMSs.42D.2.1Temperature.42D.2.2Voltage.42D.2.3Vibration.43D.3EnvironmentalrequirementsfortheBSSequipment.43AnnexE(normative):Repeatercharacteristics.44E.1Introduction.44E.2Spuriousemissions.44E.3Intermodulationproducts.45E.4Outofbandgain.45AnnexF(informative):Changecontrolhistory.46History.48SIST ETS 300 577 E15:2003

Page5ETS300577(GSM05.05version4.23.1):December1999IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanTelecommunicationStandard(ETS)hasbeenproducedbytheSpecialMobileGroup(SMG)oftheEuropeanTelecommunicationsStandardsInstitute(ETSI).ThisETSdefinestherequirementsfortransceiversoperatinginthe900MHzand1800MHzbandswithinthedigitalcellulartelecommunicationssystem(Phase2).ThecontentsofthisETSissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthisETS,itwillberesubmittedforOAPbyETSIwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version4.x.y4IndicatesGSMPhase2.xtheseconddigitisincrementedforallothertypesofchanges,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.Transposition datesDate of adoption of this ETS: 3 December 1999DateoflatestannouncementofthisETS(doa):31March2000DateoflatestpublicationofnewNationalStandardorendorsementofthisETS(dop/e):30September2000DateofwithdrawalofanyconflictingNationalStandard(dow):30September2000SIST ETS 300 577 E15:2003

Page6ETS300577(GSM05.05version4.23.1):December1999BlankpageSIST ETS 300 577 E15:2003

Page7ETS300577(GSM05.05version4.23.1):December19991ScopeThisEuropeanTelecommunicationStandard(ETS)definestherequirementsforthetransceiverofthepan-europeandigitalmobilecellularandpersonalcommunicationsystemsoperatinginthe900MHzand1800MHzband(GSM900andDCS1800).Requirementsaredefinedfortwocategoriesofparameters:-thosethatarerequiredtoprovidecompatibilitybetweentheradiochannels,connectedeithertoseparateorcommonantennas,thatareusedinthesystem.Thiscategoryalsoincludesparametersprovidingcompatibilitywithexistingsystemsinthesameoradjacentfrequencybands;-thosethatdefinethetransmissionqualityofthesystem.ThisETSdefinesRFcharacteristicsfortheMobileStation(MS)andBaseStationSystem(BSS).TheBSSwillcontaineitherBaseTransceiverStations(BTS)ormicrocellbasetransceiverstations(microBTS).TheprecisemeasurementmethodsarespecifiedinGSM11.10andGSM11.2xseries.Unlessotherwisestated,therequirementsdefinedinthisETSapplytothefullrangeofenvironmentalconditionsspecifiedfortheequipment(seeannexD).InthisETS,somerelaxationsareintroducedforGSM900mobilestationswhichfulfilthefollowingconditions:-pertaintopowerclass4or5(seesubclause4.1.1);-notdesignedtobevehiclemounted(seeGSM02.06).InthisETS,thesemobilestationsarereferredtoas"smallMS".NOTE:Inthisstandard,ahandheldwhichcanbeconnectedtoacarkitisnotconsideredtobevehiclemounted.Mobilestationsmayoperateonmorethanoneofthefrequencybandsspecifiedinclause2.Thesemobilestations,definedinGSM02.06,arereferredtoas"Multibandmobilestations"inthisstandard.Multibandmobilestationsshallmeetallrequirementsforeachofthebandssupported.TherelaxationonGSM900fora"smallMS"arealsovalidforamultibandMSifitcomplieswiththedefinitionofasmallMS.TheRFcharacteristicsofrepeatersaredefinedinannexEofthisETS.AnnexesDandEaretheonlysectionsofthisETSapplicabletorepeaters.AnnexEdoesnotapplytotheMSorBSS.1.1NormativereferencesThisETSincorporatesbydatedandundatedreference,provisionsfromotherpublications.Thesenormativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisETSonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferences,thelatesteditionofthepublicationreferredtoapplies.[1]GSM01.04(ETR100):"Digitalcellulartelecommunicationssystem(Phase2);Abbreviationsandacronyms".[2]GSM02.06(ETS300504):"Digitalcellulartelecommunicationssystem(Phase2);TypesofMobileStations(MS)".[3]GSM05.01(ETS300573):"Digitalcellulartelecommunicationssystem(Phase2);PhysicallayerontheradiopathGeneraldescription".[4]GSM05.04(ETS300576):"Digitalcellulartelecommunicationssystem(Phase2);Modulation".SIST ETS 300 577 E15:2003

Page8ETS300577(GSM05.05version4.23.1):December1999[5]GSM05.08(ETS300578):"Digitalcellulartelecommunicationssystem(Phase2);Radiosubsystemlinkcontrol".[6]GSM05.10(ETS300579):"Digitalcellulartelecommunicationssystem(Phase2);Radiosubsystemsynchronization".[7]GSM11.10(ETS300607):"Digitalcellulartelecommunicationssystem(Phase2);MobileStation(MS)conformityspecification".[8]GSM11.11(ETS300608):"Digitalcellulartelecommunicationssystem(Phase2);SpecificationoftheSubscriberIdentityModule-MobileEquipment(SIM-ME)interface".[9]CCITTRecommendationO.153:"Basicparametersforthemeasurementoferrorperformanceatbitratesbelowtheprimaryrate".[10]ETS300019-1-3:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment;Part1-3:ClassificationofenvironmentalconditionsStationaryuseatweatherprotectedlocations".[11]ETS300019-1-4:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment;Part1-4:ClassificationofenvironmentalconditionsStationaryuseatnon-weatherprotectedlocations".1.2AbbreviationsAbbreviationsusedinthisETSarelistedinGSM01.04[1].2Frequencybandsandchannelarrangementi)StandardorprimaryGSM900Band,P-GSM:forStandardGSM900Band,thesystemisrequiredtooperateinthefollowingfrequencyband:890-915MHz:mobiletransmit,basereceive;935-960MHz:basetransmit,mobilereceive.ii)ExtendedGSM900Band,E-GSM(includesStandardGSM900band):forExtendedGSM900band,thesystemisrequiredtooperateinthefollowingfrequencyband:880-915MHz:mobiletransmit,basereceive;925-960MHz:basetransmit,mobilereceive.iii)DCS1800Band:orDCS1800,thesystemisrequiredtooperateinthefollowingband:1710-1785MHz:mobiletransmit,basereceive;1805-1880MHz:basetransmit,mobilereceive.NOTE:ThetermGSM900isusedforanyGSMsystemwhichoperatesinany900MHzband.OperatorsmayimplementnetworkswhichoperatesonacombinationofthefrequencybandsabovetosupportmultibandmobileterminalswhicharedefinedinGSM02.06.Thecarrierspacingis200kHz.SIST ETS 300 577 E15:2003

Page9ETS300577(GSM05.05version4.23.1):December1999Thecarrierfrequencyisdesignatedbytheabsoluteradiofrequencychannelnumber(ARFCN).IfwecallFl(n)thefrequencyvalueofthecarrierARFCNninthelowerband,andFu(n)thecorrespondingfrequencyvalueintheupperband,wehave:P-GSM900Fl(n)=890+0.2*n1≤n≤124Fu(n)=Fl(n)+45E-GSM900Fl(n)=890+0.2*n0≤n≤124Fu(n)=Fl(n)+45Fl(n)=890+0.2*(n-1024)975≤n≤1023DCS1800Fl(n)=1710.2+0.2*(n-512)512≤n≤885Fu(n)=Fl(n)+95FrequenciesareinMHz.3ReferenceconfigurationThereferenceconfigurationfortheradiosubsystemisdescribedinGSM05.01.Themicro-BTSisdifferentfromanormalBTSintwoways.Firstly,therangerequirementsaremuchreducedwhilstthecloseproximityrequirementsaremorestringent.Secondly,themicro-BTSisrequiredtobesmallandcheaptoallowexternalstreetdeploymentinlargenumbers.Becauseofthesedifferencesthemicro-BTSneedsadifferentsetofRFparameterstobespecified.WheretheRFparametersarenotdifferentforthemicro-BTSthenormalBTSparametersshallapply.4TransmittercharacteristicsThroughoutthissection,unlessotherwisestated,requirementsaregivenintermsofpowerlevelsattheantennaconnectoroftheequipment.Forequipmentwithintegralantennaonly,areferenceantennawith0dBigainshallbeassumed.Thetermoutputpowerreferstothemeasureofthepowerwhenaveragedovertheusefulpartoftheburst(seeannexB).Thetermpeakholdreferstoameasurementwherethemaximumistakenoverasufficienttimethatthelevelwouldnotsignificantlyincreaseiftheholdingtimewerelonger.4.1Outputpower4.1.1MobilestationThemobilestationmaximumoutputpowerandlowestpowercontrollevelshallbe,accordingtoitsclass,asdefinedinthefollowingtable(seealsoGSM02.06).PowerGSM900DCS1800Tolerance(dB)classNominalMaximumoutputNominalMaximumoutputforconditionspowerpowernormalextreme1------1W(30dBm)±2±2.528W(39dBm)0.25W(24dBm)±2±2.535W(37dBm)4W(36dBm)±2±2.542W(33dBm)±2±2.550.8W(29dBm)±2±2.5NOTE:ThelowestnominaloutputpowerforallclassesofGSM900MSis5dBmandforallclassesofDCS1800MSis0dBm.AmultibandMShasacombinationofthepowerclassineachbandofoperationfromthetableabove.Anycombinationmaybeused.SIST ETS 300 577 E15:2003

Page10ETS300577(GSM05.05version4.23.1):December1999Thedifferentpowercontrollevelsneededforadaptivepowercontrol(seeGSM05.08)shallhavethenominaloutputpowerasdefinedinthetablebelow,startingfromthepowercontrollevelforthelowestnominaloutputpoweruptothepowercontrollevelforthemaximumnominaloutputpowercorrespondingtotheclassoftheparticularmobilestationasdefinedinthetableabove.WheneverapowercontrollevelcommandstheMStouseanominaloutputpowerequaltoorgreaterthanthemaximumnominaloutputpowerforthepowerclassoftheMS,thenominaloutputpowertransmittedshallbethemaximumnominaloutputpowerfortheMSclass,andthetoleranceof±2or2.5dB(seetableabove)shallapply.SIST ETS 300 577 E15:2003

Page11ETS300577(GSM05.05version4.23.1):December1999GSM900PowercontrollevelNominalOutputpower(dBm)Tolerance(dB)forconditionsnormalextreme0-239±2±2.5337±3±4435±3±4533±3±4631±3±4729±3±4827±3±4925±3±41023±3±41121±3±41219±3±41317±3±41415±3±41513±3±41611±5±6179±5±6187±5±619-315±5±6DCS1800PowercontrollevelNominalOutputpower(dBm)Tolerance(dB)forconditionsnormalextreme2936±2±2.53034±3±43132±3±4030±3±4128±3±4226±3±4324±3±4422±3±4520±3±4618±3±4716±3±4814±3±4912±4±51010±4±5118±4±5126±4±5134±4±5142±5±615-280±5±6SIST ETS 300 577 E15:2003

Page12ETS300577(GSM05.05version4.23.1):December1999NOTE1:ForDCS1800,thepowercontrollevels29,30and31areonlyused"incall"forpowercontrolpurposes.TheselevelsarenotusedwhentransmittingtheparameterTXPWRMAXCCH,forcrossphasecompatibilityreasons.Iflevelsgreaterthan30dBmarerequiredfromtheMSduringarandomaccessattempt,thentheseshallbedecodedfromparametersbroadcastontheBCCHasdescribedinGSM05.08.Furthermore,thedifferenceinoutputpoweractuallytransmittedbytheMSbetweentwopowercontrollevelswherethedifferenceinnominaloutputpowerindicatesanincreaseof2dB(takingintoaccounttherestrictionsduetopowerclass),shallbe+2±1.5dB.Similarly,ifthedifferenceinoutputpoweractuallytransmittedbytheMSbetweentwopowercontrollevelswherethedifferenceinnominaloutputpowerindicatesandecreaseof2dB(takingintoaccounttherestrictionsduetopowerclass),shallbe-2±1.5dB.NOTE2:A2dBnominaldifferenceinoutputpowercanexistfornon-adjacentpowercontrollevelse.g.powercontrollevels18and22forGSM900;powercontrollevels31and0forclass3DCS1800andpowercontrollevels3and6forclass4GSM900.Achangefromanypowercontrolleveltoanypowercontrollevelmayberequiredbythebasetransmitter.ThemaximumtimetoexecutethischangeisspecifiedinGSM05.08.4.1.2BasestationThebasestationtransmittermaximumoutputpower,measuredattheinputoftheBSSTxcombiner,shallbe,accordingtoitsclass,asdefinedinthefollowingtable:SIST ETS 300 577 E15:2003

Page13ETS300577(GSM05.05version4.23.1):December1999GSM900TRXMaximumpowerclassoutputpower1320-(<640)W2160-(<320)W380-(<160)W440-(<80)W520-(<40)W610-(<20)W75-(<10)W82.5-(<5)WDCS1800TRXMaximumpowerclassoutputpower120-(<40)W210-(<20)W35-(<10)W42.5-(<5)WSIST ETS 300 577 E15:2003

Page14ETS300577(GSM05.05version4.23.1):December1999Themicro-BTSmaximumoutputpowerpercarriermeasuredattheantennaconnectorafterallstagesofcombiningshallbe,accordingtoitsclass,definedinthefollowingtable.GSM900micro-BTSDCS1800micro-BTSTRXpowerclassMaximumoutputpowerTRXpowerclassMaximumoutputpowerM1(>19)-24dBmM1(>27)-32dBmM2(>14)-19dBmM2(>22)-27dBmM3(>9)-14dBmM3(>17)-22dBmThetoleranceoftheactualmaximumoutputpoweroftheBTSshallbe±2dBundernormalconditionsand±2.5dBunderextremeconditions.Settingsshallbeprovidedtoallowtheoutputpowertobereducedfromitsmaximumlevelinatleastsixstepsofnominally2dBwithanaccuracyof±1dBtoallowafineadjustmentofthecoveragebythenetworkoperator.Inaddition,theactualabsoluteoutputpowerateachstaticRFpowerstep(N)shallbe2*NdBbelowtheabsoluteoutputpoweratstaticRFpowerstep0withatoleranceof±3dBundernormalconditionsand±4dBunderextremeconditions.ThestaticRFpowerstep0shallbetheactualoutputpoweraccordingtotheTRXpowerclass.AsanoptiontheBSScanutilizedownlinkRFpowercontrol.InadditiontothestaticRFpowerstepsdescribedabove,theBSSmaythenutilizeupto15stepsofpowercontrollevelswithastepsizeof2dB±1.5dB,inadditiontheactualabsoluteoutputpowerateachpowercontrollevel(N)shallbe2*NdBbelowtheabsoluteoutputpoweratpowercontrollevel0withatoleranceof±3dBundernormalconditionsand±4dBunderextremeconditions.Thepowercontrollevel0shallbethesetoutputpoweraccordingtotheTRXpowerclassandthesixpowersettingsdefinedabove.NetworkoperatorsormanufacturersmayalsospecifytheBTSoutputpowerincludinganyTxcombiner,accordingtotheirneeds.4.2OutputRFspectrumThespecificationscontainedinthissectionapplytobothBTSandMS,infrequencyhoppingaswellasinnonfrequencyhoppingmode,exceptthatbeyond1800kHzoffsetfromthecarriertheBTSisnottestedinfrequencyhoppingmode.SIST ETS 300 577 E15:2003

Page15ETS300577(GSM05.05version4.23.1):December1999Duetotheburstynatureofthesignal,theoutputRFspectrumresultsfromtwoeffects:-themodulationprocess;-thepowerrampingupanddown(switchingtransients).Thetwoeffectsarespecifiedseparately;themeasurementmethodusedtoanalyseseparatelythosetwoeffectsisspecifiedinGSM11.10and11.20.Itisbasedonthe"ringingeffect"duringthetransients,andisameasurementinthetimedomain,ateachpointinfrequency.Thelimitsspecifiedhereunderarebasedona5-polesynchronouslytunedmeasurementfilter.Unlessotherwisestated,fortheBTS,onlyonetransmitterisactiveforthetestsofthissection.4.2.1SpectrumduetothemodulationandwidebandnoiseTheoutputRFmodulationspectrumisspecifiedinthefollowingtable.AmaskrepresentationofthisspecificationisshowninannexA.ThisspecificationappliesforallRFchannelssupportedbytheequipment.Thespecificationappliestotheentireoftherelevanttransmitbandandupto2MHzeitherside.Thefiguresinthetablebelow,atthelistedfrequenciesfromthecarrier(kHz),arethemaximumlevel(dB)relativetoameasurementin30kHzonthecarrier.FortheBTS,thepowerlevelisthe"actualabsoluteoutputpower"definedinsubclause4.1.2.Ifthepowerlevelfallsbetweentwoofthevaluesinthetable,therequirementshallbedeterminedbylinearinterpolation.SIST ETS 300 577 E15:2003

Page16ETS300577(GSM05.05version4.23.1):December1999a)GSM900PowerlevelMeasurementbandwidth(dBm)30kHz100kHzMSandnormalBTS100kHzMicro-BTS100200250400600120018003000≥≥≥≥·6000≥≥≥≥·1800totototo<1200<1800<3000<6000≥43+0.5-30-33-60-70-73-75-75-8041+0.5-30-33-60-68-71-73-73-8039+0.5-30-33-60-66-69-71-71-8037+0.5-30-33-60-64-67-69-69-80BTS35+0.5-30-33-60-62-65-67-67-80≤33+0.5-30-33-60-60-63-65-65-80-70≥39+0.5-30-33-60-66-66-69-71-7737+0.5-30-33-60-64-64-67-69-75MS35+0.5-30-33-60-62-62-65-67-73≤33+0.5-30-33-60-60-60-63-65-71b)DCS1800PowerlevelMeasurementbandwidth(dBm)30kHz100kHzMSandnormalBTS100kHzMicro-BTS10020025040060012001800≥≥≥≥6000≥≥≥≥1800tototo<1200<1800<6000≥43+0.5-30-33-60-70-73-75-8041+0.5-30-33-60-68-71-73-8039+0.5-30-33-60-66-69-71-8037+0.5-30-33-60-64-67-69-80BTS35+0.5-30-33-60-62-65-67-80-76≤33+0.5-30-33-60-60-63-65-80-76≥36+0.5-30-33-60-60-60-71-7934+0.5-30-33-60-60-60-69-7732+0.5-30-33-60-60-60-67-75MS30+0.5-30-33-60-60-60-65-7328+0.5-30-33-60-60-60-63-7126+0.5-30-33-60-60-60-61-69≤24+0.5-33-60-60-60-59-67Thespecificationsshallbemetunderthefollowingmeasurementconditions.SIST ETS 300 577 E15:2003

Page17ETS300577(GSM05.05version4.23.1):December1999ForBTSupto1800kHzfromthecarrierandforMSinallcases:Zerofrequencyscan,filterbandwidthandvideobandwidthof30kHzupto1800kHzfromthecarrierand100kHzbeyond1800kHz,withaveragingdoneover50%to90%oftheusefulpartofthetransmittedbursts,excludingthemidamble,andthenaveragedoveratleast200suchburstmeasurements.Above1800kHzfromthecarrieronlymeasurementscentredon200kHzmultiplesaretakenwithaveragingover50bursts.ForBTSabove1800kHzfromthecarriersweptmeasurementwith:Filterandvideobandwidthof100kHz,minimumsweeptimeof75ms,averagingover200sweeps.Allslotsactive,frequencyhoppingdisabled.Whentestsaredoneinfrequencyhoppingmode,theaveragingshallincludeonlyburststransmittedwhenthehoppingcarriercorrespondstothenominalcarrierofthemeasurement.Thespecificationsthenapplytothemeasurementresultsforanyofthehoppingfrequencies.Thefollowingexceptionsandminimummeasurementlevelsshallapply;allabsolutelevelsindBmshallbemeasuredusingthesamebandwidthasthatusedinthetablesa)andb)above:i)inthecombinedrange600kHzto6MHzaboveandbelowthecarrier,inuptothreebandsof200kHzwidthcentredonafrequencywhichisanintegermultipleof200kHz,exceptionsatupto-36dBmareallowed;ii)above6MHzoffsetfromthecarrierinupto12bandsof200kHzwidthcentredonafrequencywhichisanintegermultipleof200kHz,exceptionsatupto-36dBmareallowed.FortheBTSonlyonetransmitterisactiveforthistest;iii)forMSmeasuredbelow600kHzfromthecarrier,ifthelimitaccordingtotheabovetableisbelow-36dBm,avalueof-36dBmshallbeusedinstead.For600kHzuptolessthan1800kHzthislimitshallbe-56dBmforDCS1800MSand-51dBmforGSM900MS.At1800kHzandbeyond,thislimitshallbe-51dBmforDCS1800MSand-46dBmforGSM900MS;iv)fornormalBTS,ifthelimitaccordingtotheabovetableisbelowL,avalueLshallbeusedinstead,whereLisL1dBrelativetotheoutputpoweroftheBTSattheloweststaticpowerlevelmeasuredat30kHz,orL2dBm,whicheverishigher;Forupto1800kHzfromthecarrier:L1=-88dBBeyond1800kHz:L1=-83dBForGSM900BTS:L2=-65dBmForDCS1800BT:L2=-57dBmv)forthemicro-BTS,foroffsetsbeyond1800kHzfromthecarrier,ifthelimitaccordingtotheabovetableisbelowthevaluesinthefollowingtable,thenthevaluesinthefollowingtablewillbeusedinstead.MicrocellBTSPowerClassMaximumspectrumduetomodulationandnoisein100kHz(dBm)GSM900DCS1800M1-59-57M2-64-62M3-69-67SIST ETS 300 577 E15:2003

Page18ETS300577(GSM05.05version4.23.1):December19994.2.2SpectrumduetoswitchingtransientsThoseeffectsarealsomeasuredinthetimedomainandthespecificationsassumethefollowingmeasurementconditions:zerofrequencyscan,filterbandwidth30kHz,peakhold,andvideobandwidth100kHz.Theexampleofawaveformduetoaburstasseenina30kHzfilteroffsetfromthecarrierisgivenhereunder(figure1).dBt100%90%Averagingperiod50%midambleUsefulpartoftheburst0%SwitchingtransientsMax-holdlevel=peakofswitchingtransientsVideoaveragelevel=spectrumduetomodulationFigure1:Exampleofatimewaveformduetoaburstasseenina30kHzfilteroffsetfromthecarrierSIST ETS 300 577 E15:2003

Page19ETS300577(GSM05.05version4.23.1):December1999a)MobileStation:PowerlevelMaximumlevelmeasured400kHz600kHz1200kHz1800kHz39dBm-21dBm-26dBm-32dBm-36dBm≤37dBm-23dBm-26dBm-32dBm-36dBmNOTE1:Therelaxationsforpowerlevel39dBmisinlinewiththemodulatedspectraandthuscausesnegligibleadditionalinterferencetoananaloguesystembyaGSMsignal.NOTE2:Thenear-fardynamicswiththisspecificationhasbeenestimatedtobeapproximately58dBforMSoperatingatapowerlevelof8Wor49dBforMSoperatingatapowerlevelof1W.Thenear-fardynamicsthengraduallydecreasesby2dBperpowerleveldownto32dBforMSoperatingincellswithamaximumallowedoutputpowerof20mWor29dBforMSoperatingat10mW.NOTE3:Thepossibleperformancedegradationduetoswitchingtransientleakingintothebeginningortheendofaburst,wasestimatedandfoundtobeacceptablewithrespecttotheBERduetocochannelinterference(C/I).b)Basetransceiverstation:Themaximumlevelmeasured,afteranyfiltersandcombiners,attheindicatedoffsetfromthecarrier,is:Maximumlevelmeasured400kHz600kHz1200kHz1800kHzGSM900-57dBc-67dBc-74dBc-74dBcDCS1800-50dBc-58dBc-66dBc-66dBcor-36dBm,whicheveristhehigher.dBcmeansrelativetotheoutputpowerattheBTS,measuredatthesamepointandinafilterbandwidthofatleast300kHz.NOTE:Someoftheaboverequirementsaredifferentfromthosespecifiedinsubclause4.3.2.4.3SpuriousemissionsThelimitsspecifiedhereunderarebasedona5-polesynchronouslytunedmeasurementfilter.4.3.1PrincipleofthespecificationInthissection,thespurioustransmissions(whethermodulatedorunmodulated)andtheswitchingtransientsarespecifiedtogetherbymeasuringthepeakpowerinagivenbandwidthatvariousfrequencies.Thebandwidthisincreasedasthefrequencyoffsetbetweenthemeasurementfrequencyand,eitherthecarrier,ortheedgeoftheMSorBTStransmitband,increases.TheeffectforspurioussignalsofwideningthemeasurementbandwidthistoreducetheallowedtotalspuriousenergyperMHz.Theeffectforswitchingtransientsistoeffectivelyreducetheallowedleveloftheswitchingtransients(thepeaklevelofaswitchingtransientincreasesby6dBforeachdoublingofthemeasurementbandwidth).Theconditionsarespecifiedinthefollowingtable,apeak-holdmeasurementbeingassumed.ThemeasurementconditionsforradiatedandconductedspuriousarespecifiedseparatelyinGSM11.10and11.20.Thefrequencybandswheretheseareactuallymeasuredmaydifferfromonetypetotheother(seeGSM11.10and11.20).SIST ETS 300 577 E15:2003

Page20ETS300577(GSM05.05version4.23.1):December1999a)BandFrequencyoffsetMeasurementbandwidth(offsetfromcarrier)relevanttransmit≥1.8MHz30kHzband≥6MHz100kHzb)BandFrequencyoffsetMeasurementbandwidth100kHz-50MHz-10kHz50MHz-500MHz-100kHzabove500MHzoutsidethe(offsetfromedgeoftherelevanttransmitbandrelevantaboveband)≥2MHz30kHz≥5MHz100kHz≥10MHz300kHz≥20MHz1MHz≥30MHz3MHzThemeasurementsettingsassumedcorrespond,fortheresolutionbandwidthtothevalueofthemeasurementbandwidthinthetable,andforthevideobandwidthtoapproximatelythreetimesthisvalue.NOTE:ForradiatedspuriousemissionsforMSwithantennaconnectors,andforallspuriousemissionsforMSwithintegralantennas,thespecificationscurrentlyonlyapplytothefrequencyband30MHzto4GHz.Thespecificationandmethodofmeasurementoutsidethisbandareunderconsideration.4.3.2BasetransceiverstationThepowermeasuredintheconditionsspecifiedin4.3.1ashallbenomorethan-36dBm.Thepowermeasuredintheconditionsspecifiedin4.3.1bshallbenomorethan:-250nW(-36dBm)inthefrequencyband9kHz-1GHz;-1µW(-30dBm)inthefrequencyband1-12.75GHz.NOTE:ForradiatedspuriousemissionsforBTS,thespecificationscurrentlyonlyapplytothefrequencyband30MHzto4GHz.Thespecificationandmethodofmeasurementoutsidethisbandareunderconsideration.SIST ETS 300 577 E15:2003

Page21ETS300577(GSM05.05version4.23.1):December1999IntheBTSreceiveband,thepowermeasuredusingtheconditionsspecifiedin4.2.1,withafilterandvideobandwidthof100kHzshallbenomorethan:GSM(dBm)DCS(dBm)NormalBTS-98-98MicroBTSM1-91-96MicroBTSM2-86-91MicroBTSM3-81-86Thesevaluesassumea30dBcouplinglossbetweentransmitterandreceiver.IfBTSsofdifferentclassesareco-sited,thecouplinglossmustbeincreasedbythedifferencebetweenthecorrespondingvaluesfromthetableabove.MeasuresmustbetakenformutualprotectionofreceiverswhenGSM900andDCS1800BTSareco-sited.NOTE:Thus,forthiscase,assumingthecouplinglossesareasabove,thenthepowermeasuredintheconditionsspecifiedinsubclause4.2.1,withafilterandvideobandwidthof100kHzshouldbenomorethanthevaluesinthetableabovefortheGSM900transmitterintheband1710-1785MHzandforDCS1800transmitterintheband880-915MHz.Inanycase,thepowersmeasuredintheconditionsspecifiedinsubclause4.2.1,withafilterandvideobandwidthof100kHzshallbenomorethan-47dBmfortheGSMBTSintheband1805-1880MHzand-57dBmforaDCS1800BTSintheband925-960MHz.4.3.3MobilestationThepowermeasuredintheconditionsspecifiedinsubclause4.3.1a,foraMSwhenallocatedachannel,shallbenomorethan-36dBm.Thepowermeasuredintheconditionsspecifiedinsubclause4.3.1bforaMS,whenallocatedachannel,shallbenomorethan(seealsonoteinsubclause4.3.1babove):-250nW(-36dBm)inthefrequencyband9kHz-1GHz;-1µW(-30dBm)inthefrequencyband1-12.75GHz.Thepowermeasuredina100kHzbandwidthforamobile,whennotallocatedachannel(idlemode),shallbenomorethan(seealsonotein4.3.1above):-2nW(-57dBm)inthefrequencybands9kHz-880MHz,915-1000MHz;-1.25nW(-59dBm)inthefrequencyband880-915MHz;-5nW(-53dBm)inthefrequencyband1.71-1.785GHz;-20nW(-47dBm)inthefrequencybands1-1.71GHz,1.785-12.75GHz.NOTE:TheidlemodespuriousemissionsinthereceivebandarecoveredbythecaseforMSallocatedachannel(seebelow).Whenallocatedachannel,thepoweremittedbytheMS,whenmeasuredusingthemeasurementconditionsspecifiedin4.2.1,butwithaveragingoveratleast50burstmeasurements,withafilterandvideobandwidthof100kHz,formeasurementscentredon200kHzmultiples,intheband935-960MHzshallbenomorethan-79dBm,intheband925-935MHzshallbenomorethan-67dBmandintheband1805-1880MHz,shallbenomorethan-71dBm.Asexceptionsuptofivemeasurementswithalevelupto-36dBmarepermittedineachofthebands925-960MHzand1805-1880MHzforeachARFCNusedinthemeasurements.Whenhopping,thisappliestoeachsetofmeasurements,groupedbythehoppingfrequenciesasdescribedinsubclause4.2.1.SIST ETS 300 577 E15:2003

Page22ETS300577(GSM05.05version4.23.1):December19994.4RadiofrequencytoleranceTheradiofrequencytoleranceforthebasetransceiverstationandthemobilestationisdefinedinGSM05.10.4.5OutputleveldynamicoperationNOTE:Theterm"anytransmitbandchannel"isusedheretomean:anyRFchannelof200kHzbandwidthcentredonamultipleof200kHzwhichiswithintherelevanttransmitband.4.5.1BasetransceiverstationTheBTSshallbecapableofnottransmittingaburstinatimeslotnotusedbyalogicalchannelorwhereDTXapplies.TheoutputpowerrelativetotimewhensendingaburstisshowninannexB.Inthecasewheretheburstsintwo(orseveral)consecutivetimeslotsareactuallytransmitted,atthesamefrequency,norequirementsarespecifiedtothepowerrampingintheguardtimesbetweentheactivetimeslots,andthetemplateofannexBshallberespectedatthebeginningandtheendoftheseriesofconsecutivebursts.Theresidualoutputpower,ifatimeslotisnotactivated,shallbemaintainedat,orbelow,alevelof-30dBconthefrequencychannelinuse.Allemissionsrelatedtootherfrequencychannelsshallbeinaccordancewiththewidebandnoiseandspuriousemissionsrequirements.Ameasurementbandwidthofatleast300kHzisassumed.4.5.2MobilestationTheoutputpowercanbereducedbystepsof2dBaslistedinsubclause4.1.ThetransmittedpowerlevelrelativetotimewhensendingaburstisshowninannexB.ThetimingofthetransmittedburstisspecifiedinGSM05.10.Betweentheactivebursts,theresidualoutputpowershallbemaintainedat,orbelow,thelevelof:--59dBcor-54dBm,whicheveristhegreaterforGSM900,exceptforthetimeslotprecedingtheactiveslot,forwhichtheallowedlevelis-59dBcor-36dBmwhicheveristhegreater;--48dBcor-48dBm,whicheveristhegreaterforDCS1800;inanytransmitbandchannel.Ameasurementbandwidthofatleast300kHzisassumed.Thetransmitter,wheninidlemode,willrespecttheconditionsofsubclause4.3.3.4.6PhaseaccuracyWhentransmittingaburst,thephaseaccuracyofthesignal,relativetothetheoreticalmodulatedwaveformsasspecifiedinGSM05.04,isspecifiedinthefollowingway.Forany148-bitssubsequenceofthe511-bitspseudo-randomsequence,definedinCCITTRecommendationO.153fascicleIV.4,thephaseerrortrajectoryontheusefulpartoftheburst(includingtailbits),shallbemeasuredbycomputingthedifferencebetweenthephaseofthetransmittedwaveformandthephaseoftheexpectedone.TheRMSphaseerror(differencebetweenthephaseerrortrajectoryanditslinearregressionontheactivepartofthetimeslot)shallnotbegreaterthan5°withamaximumpeakdeviationduringtheusefulpartoftheburstlessthan20°.NOTE:Usingtheencryption(cipheringmode)isanallowedmeanstogeneratethepseudo-randomsequence.Thebursttimingofthemodulatedcarrierintheactivepartofthetimeslotshallbechosentoensurethatallthemodulatingbitsintheusefulpartoftheburst(seeGSM05.04)influencetheoutputphaseinatimeslot.SIST ETS 300 577 E15:2003

Page23ETS300577(GSM05.05version4.23.1):December19994.7IntermodulationattenuationTheintermodulationattenuationistheratioofthepowerlevelofthewantedsignaltothepowerlevelofanintermodulationcomponent.Itisameasureofthecapabilityofthetransmittertoinhibitthegenerationofsignalsinitsnon-linearelementscausedbythepresenceofthecarrierandaninterferingsignalreachingthetransmitterviatheantenna.4.7.1BasetransceiverstationAninterferingCWsignalshallbeappliedwithintherelevantBTSTXbandatafrequencyoffsetof≥800kHz,andwithapowerlevel30dBbelowthepowerlevelofthewantedsignal.Theintermodulationproductsshallmeettherequirementsin4.7.2.4.7.2IntraBTSintermodulationattenuationInaBTSintermodulationmaybecausedbycombiningseveralRFchannelstofeedasingleantenna,orwhenoperatingthemintheclosevicinityofeachother.TheBTSshallbeconfiguredwitheachtransmitteroperatingatthemaximumallowedpower,withafullcomplementoftransceiversandwithmodulationapplied.ForthemeasurementinthetransmitbandtheequipmentshallbeoperatedatequalandminimumcarrierfrequencyspacingspecifiedfortheBSSconfigurationundertest.Forthemeasurementinthereceivebandtheequipmentshallbeoperatedwithsuchachannelconfigurationthatatleast3rdorderintermodulationproductsfallintothereceiveband.Allthefollowingrequirementsrelatetofrequencyoffsetsfromtheuppermostandlowermostcarriers.Thepeakholdvalueofintermodulationcomponentsoveratimeslot,shallnotexceed-70dBcor-36dBm,whicheveristhehigher,forfrequencyoffsetsbetween6MHzandtheedgeoftherelevantTxbandmeasuredina300kHzbandwidth.1in100timeslotsmayfailthistestbyuptoalevelof10dB.Foroffsetsbetween600kHzto6MHztherequirementsandthemeasurementtechniqueisthatspecifiedinsubclause4.2.1.Theotherrequirementsofsubclause4.3.2intheband9kHzto12.75GHzshallstillbemet.4.7.3IntermodulationbetweenMS(DCS1800only)Themaximumlevelofanyintermodulationproduct,whenmeasuredaspeakholdina300kHzbandwidth,shallbe50dBbelowthewantedsignalwhenaninterferingCWsignalisappliedwithintheDCS1800MStransmitbandatafrequencyoffsetof800kHzwithapowerlevel40dBbelowthepowerlevelofthewanted(DCS1800modulated)signal.4.7.4MobilePBX(GSM900only)InamobilePBXintermodulationmaybecausedwhenoperatingtransmittersintheclosevicinityofeachother.TheintermodulationspecificationformobilePBXs(GSM900only)shallbethatstatedinsubclause4.7.2.SIST ETS 300 577 E15:2003

Page24ETS300577(GSM05.05version4.23.1):December19995ReceivercharacteristicsInthissection,therequirementsaregivenintermsofpowerlevelsattheantennaconnectorofthereceiver.Equipmentwithintegralantennamaybetakenintoaccountbyconvertingthesepowerlevelrequirementsintofieldstrengthrequirements,assuminga0dBigainantenna.Thismeansthatthetestsonequipmentonintegralantennawillconsiderfieldsstrengths(E)relatedtothepowerlevels(P)specified,bythefollowingformula(derivedfromtheformulaE=P+20logF(MHz)+77.2):assumingF=925MHz:E(dBµV/m)=P(dBm)+136.5forGSM900;assumingF=1795MHz:E(dBµV/m)=P(dBm)+142.3forDCS1800.Staticpropagationconditionsareassumedinallcases,forbothwantedandunwantedsignals.Forsections5.1and5.2,valuesgivenindBmareindicative,andcalculatedassuminga50ohmsimpedance.5.1BlockingcharacteristicsTheblockingcharacteristicsofthereceiverarespecifiedseparatelyforin-bandandout-of-bandperformanceasidentifiedinthefollowingtable.FrequencyFrequencyrange(MHz)bandGSM900E-GSM900DCS1800MSBTSBTSMSBTSin-band915-980870-925860-9251785-19201690-1805out-of-band(a)0.1-<9150.1-<8700.1-<8600.1-17050.1-<1690out-of-band(b)N/AN/AN/A>1705-<1785N/Aout-ofband(c)N/AN/AN/A>1920-1980N/Aout-ofband(d)>980-12,750>925-12,750>925-12,750>1980-12,750>1805-12,750Thereferencesensitivityperformanceasspecifiedintable1shallbemetwhenthefollowingsignalsaresimultaneouslyinputtothereceiver:-ausefulsignalatfrequencyfo,3dBabovethereferencesensitivitylevelasspecifiedinsubclause6.2;-acontinuous,staticsinewavesignalatalevelasinthetablebelowandatafrequency(f)whichisanintegermultipleof200kHz.withthefollowingexceptions,calledspuriousresponsefrequencies:a)GSM900:inband,foramaximumofsixoccurrences(whichifgroupedshallnotexceedthreecontiguousoccurrencespergroup);DCS1800:inband,foramaximumoftwelveoccurrences(whichifgroupedshallnotexceedthreecontiguousoccurrencespergroup);b)outofband,foramaximumof24occurrences(whichifbelowf0andgroupedshallnotexceedthreecontiguousoccurrencespergroup).wheretheaboveperformanceshallbemetwhenthecontinuoussinewavesignal(f)issettoalevelof70dBµV(emf)(i.e.-43dBm).SIST ETS 300 577 E15:2003

Page25ETS300577(GSM05.05version4.23.1):December1999FrequencyGSM900andE-GSM900DCS1800bandotherMSsmallMSBTSMSBTSdBµVdBmdBµVdBmdBµVdBmdBµVdBmdBµVdBm(emf)(emf)(emf)(emf)(emf)in-band600kHz≤|f-fo|<800kHz75-3870-4387-2670-4378-35800kHz≤|f-fo|<1.6MHz80-3370-4397-1670-4388-251.6MHz≤|f-fo|<3MHz90-2380-3397-1680-3388-253MHz≤|f-fo|90-2390-23100-1387-2688-25out-of-band(a)11301130121811301130(b)------101-12--(c)------101-12--(d)11301130121811301130NOTE1:FordefinitionofsmallMS,seesubclause1.1.NOTE2:ForanE-GSM900MStheblockinglevelintheband905-915isrelaxedto-5dBm.NOTE3:ForGSM900andE-GSM900BTStheblockinglevelintheband925-935isrelaxedto0dBm.Theblockingcharacteristicsofthemicro-BTSreceiverarespecifiedforin-bandandout-of-bandperformance.Theout-of-bandblockingremainsthesameasanormalBTSleavingthein-bandblockingtobedefinedhereforthemicro-BTS.FrequencybandGSM900micro-BTSDCS1800micro-BTSM1M2M3M1M2M3(dBm)(dBm)(dBm)(dBm)(dBm)(dBm)in-band600kHz≤|f-f0|<800kHz-31-26-21-40-35-30800kHz≤|f-f0|<1.6MHz-21-16-11-30-25-201.6MHz≤|f-f0|<3MHz-21-16-11-30-25-203MHz≤|f-f0|-21-16-11-30-25-205.2AMsuppressioncharacteristicsThereferencesensitivityperformanceasspecifiedintable1shallbemetwhenthefollowingsignalsaresimultaneouslyinputtothereceiver.-Ausefulsignalatfo,3dBabovereferencesensitivitylevelasspecifiedinsubclause6.2.-Asinglefrequency(f),intherelevantreceiveband,|f-fo|>6MHz,whichisanintegermultipleof200kHz,aGSMTDMAsignalmodulatedbyany148-bitsequenceofthe511-bitpseudorandombitsequence,definedinCCITTRecommendation0.153fascicleIV.4,atalevelasdefinedinthetablebelow.Theinterferershallhaveonetimeslotactiveandthefrequencyshallbeatleast2channelsseparatedfromanyidentifiedspuriousresponse.Thetransmittedburstsshallbesynchronizedtobutdelayedintimebetween61and86bitperiodsrelativetotheburstsofthewantedsignal.NOTE:Whentestingthisrequirement,anotchfiltermaybenecessarytoensurethattheco-channelperformanceofthereceiverisnotcompromised.SIST ETS 300 577 E15:2003

Page26ETS300577(GSM05.05version4.23.1):December1999Micro-BTSMSBTSM1M2M3(dBm)(dBm)(dBm)(dBm)(dBm)GSM900-31-31-34-29-24DCS1800-29/-31*-35-33-28-23*The-31dBmlevelshallonlyapplytoDCS1800class1andclass2MSmeetingthe-102dBmreferencesensitivitylevelrequirementaccordingtosection6.2.5.3IntermodulationcharacteristicsThereferencesensitivityperformanceasspecifiedintable1shallbemetwhenthefollowingsignalsaresimultaneouslyinputtothereceiver:-ausefulsignalatfrequencyfo,3dBabovethereferencesensitivitylevelasspecifiedinsubclause6.2;-acontinuous,staticsinewavesignalatfrequencyf1andalevelof70dBµV(emf)(i.e.-43dBm);-forGSM900smallMSsandDCS1800MSandBTSthisvalueisrelaxedto64dBµV(emf)(i.e.-49dBm);-fortheDCS1800class3MSthisvalueisrelaxedto68dBµV(emf)(i.e.-45dBm);-any148-bitssubsequenceofthe511-bitspseudo-randomsequence,definedinCCITTRecommendationO.153fascicleIV.4modulatingasignalatfrequencyf2,andalevelof70dBµV(emf)(i.e.-43dBm);-forGSM900smallMSsandDCS1800MSandBTSthisvalueisrelaxedto64dBµV(emf)(i.e.-49dBm);-fortheDCS1800class3MSthisvalueisrelaxedto68dBµV(emf)(i.e.-45dBm);suchthatf0=2f1-f2and|f2-f1|=800kHz.NOTE:Forsections5.2and5.3insteadofany148-bitssubsequenceofthe511-bitspseudo-randomsequence,definedinCCITTRecommendation0.153fascicleIV.4,itisalsoallowedtouseamorerandompseudo-randomsequence.5.4SpuriousemissionsThespuriousemissionsforaBTSreceiver,measuredintheconditionsspecifiedinsubclause4.3.1,shallbenomorethan:-2nW(-57dBm)inthefrequencyband9kHz-1GHz;-20nW(-47dBm)inthefrequencyband1-12.75GHz.NOTE:ForradiatedspuriousemissionsfortheBTS,thespecificationscurrentlyonlyapplytothefrequencyband30MHzto4GHz.Thespecificationandmethodofmeasurementoutsidethisbandareunderconsideration.6Transmitter/receiverperformanceInordertoassesstheerrorrateperformancethatisdescribedinthissectionitisrequiredforamobileequipmenttohavea"loopback"facilitybywhichtheequipmenttransmitsbackthesameinformationthatitdecoded,inthesamemode.ThisfacilityisspecifiedinGSM11.10.Thissect
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