ETSI EN 300 903 V8.0.1 (2000-09)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital cellular telecommunications system (Phase 2+) (GSM); Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system (GSM 03.50 version 8.0.1 Release 1999)33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)ICS:Ta slovenski standard je istoveten z:EN 300 903 Version 8.0.1SIST EN 300 903 V8.0.1:2003en01-december-2003SIST EN 300 903 V8.0.1:2003SLOVENSKI
STANDARD



SIST EN 300 903 V8.0.1:2003



ETSIEN300903V8.0.1(2000-09)EuropeanStandard(Telecommunicationsseries)Digitalcellulartelecommunicationssystem(Phase2+);TransmissionplanningaspectsofthespeechserviceintheGSMPublicLandMobileNetwork(PLMN)system(GSM03.50version8.0.1Release1999)GLOBALSYSTEMFORMOBILECOMMUNICATIONSRSIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)2(GSM03.50version8.0.1Release1999)ReferenceREN/SMG-110350Q8KeywordsDigitalcellulartelecommunicationssystem,GlobalSystemforMobilecommunications(GSM)ETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)3(GSM03.50version8.0.1Release1999)ContentsIntellectualPropertyRights.7Foreword.71Scope.81.1References.81.2Abbreviations.101.3Introduction.102Networkconfigurations.112.1General.112.2ModelofthePLMN.112.3Interfaces.112.4Configurationsofconnections.122.4.1Generalconfigurationsofconnections.122.4.2Referenceconfigurationstoillustratedelayandechocontrolissues.122.54-wirecircuitsinthePLMN.123Transmissionperformance.133.1OverallLoss/Loudnessratings.133.1.1ConnectionswithhandsetMSs.143.1.2ConnectionswithhandsfreeMSs.143.1.3ConnectionswithheadsetMSs.143.2StabilityLoss.153.3Delay.153.3.1General.153.3.2Sourcesofdelay.153.3.2.1ElementsofthePLMNthatcausedelay.153.3.2.2ElementsofthePSTNthatcausedelay.163.3.3Effectsofdelay.163.3.4AllocationofdelaytothePLMN.163.3.4.1AllocationofdelaytothePLMNwhenusingafullratesystem.163.3.4.2AllocationofdelaytothePLMNwhenusingahalfratesystem.163.3.5Delayofvariousnetworkconfigurations.173.3.5.1NationalandinternationalconnectionswithnoechocontrolinthePSTN(referenceconfigurationsA).173.3.5.2NationalandinternationalconnectionswithechocontrolinthePSTN(referenceconfigurationsB).173.3.5.3Connectionswherere-routeingleadstoasignificantincreaseintransmissionpathlength(referenceconfigurationsC).173.3.6DelayrelatedrequirementsontheMS.173.3.6.1FullrateMS.173.3.6.2HalfrateMS.173.3.6.3HandsfreeMS.173.4Echo.183.4.1General.183.4.2ElectricalechocontrolinthePLMN(ReferenceconfigurationsA).183.4.3AcousticechocontrolinthePLMN.183.4.3.1AcousticechocontrolinahandsfreeMS.193.4.3.2AcousticechocontrolinahandsetMS.193.4.3.3AcousticechocontrolinaheadsetMS.193.4.4Interactionbetweentandemechocontroldevices(referenceconfigurationsB&C).193.5Clipping.193.5.1General.193.5.2PropertiesofvoiceswitchesinthePLMN.193.5.3Problemsoftandemvoiceswitching.203.6Idlechannelnoise(handsetandheadsetMS).203.6.1Sending.203.6.2Receiving.20SIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)4(GSM03.50version8.0.1Release1999)3.7Noisecontrast.203.7.1General.203.7.2ElementsofaPLMNwhichcancausenoisecontrastimpairment.213.7.3Reductionofnoisecontrast.213.7.3.1Reductionofnoisecontrastbylimitingthenoisereceivedbythemicrophone.213.7.3.1.1HeadsetMS.213.7.3.1.2HandsetMS.223.7.3.1.3HandsfreeMS.223.7.3.2Reductionofnoisecontrastbyinsertionofcomfortnoise.223.7.4Consequenceoftheintroductionofhighcomfortnoiselevelsonothervoice-operateddevices.223.8Sensitivity/frequencycharacteristics.223.8.1HeadsetandHandsetMSs.223.8.1.1Sending.223.8.1.2Receiving.233.8.2HandsfreeMS.233.8.2.1Sending.233.8.2.2Receiving.243.9Distortion(handsetandheadsetMS).243.9.1Sending.243.9.2Receiving.253.10Sidetone(handsetandheadsetMS).263.10.1Sidetoneloss.263.10.2Sidetonedistortion.263.11Out-of-bandsignals.263.11.1Discriminationagainstout-of-bandinputsignals.263.11.1.1HandsetandheadsetMS.263.11.1.2HandsfreeMS.263.11.2Spuriousout-of-bandsignals.273.11.2.1HandsetandheadsetMS.273.11.2.2HandsfreeMS.273.12Requirementsforinformationtones.273.13Crosstalk.273.13.1Nearandfarendcrosstalk.273.13.2Go/returncrosstalk.273.14MSAmbientNoiseRejection.283.14.1Full-Rate,(TCH-FS)MSAmbientNoiseRejection(handsetMS).283.14.2Full-Rate,(TCH-FS)MSAmbientNoiseRejection(handsfreeMS).283.14.3Half-Rate,(TCH-HS)MSandDual-Rate(TCH-FSandTCH-HS)MSAmbientNoiseRejection.28AnnexA(informative):ConsiderationsontheAcousticInterfaceoftheMobileStation.37A.1HandsfreeMS.37A.2HandsetMS.37A.3HeadsetMS.37A.4Inter-reactionwithDTX.37AnnexB(normative):Testconsiderations.38B.1Testsignals.38B.1.1Sinusoidalsignals.38B.1.2Artificialvoice.38B.2Testsignallevels.38B.2.1Sending.38B.2.1.1HandsetandheadsetMSs.38B.2.1.2OfficetypeHandsfreeMS.38B.2.1.3CartypeHandsfreeMS.39B.2.2Receiving.39B.3Testrooms.39B.3.1Anechoicroom.39SIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)5(GSM03.50version8.0.1Release1999)B.4Testarrangement.40B.4.1Electro-acousticequipment.40B.4.2TestarrangementforhandsfreeMS.40B.4.2.1OfficetypehandsfreeMS.40B.4.2.2CartypehandsfreeMS.41B.4.2.3UseofHATSfortestingthereceivecharacteristicsofthecartypehandsfreeMS.42B.4.2.3.1EqualizationofHATS.42B.4.2.3.2Combinationofearsignals.43AnnexC(normative):Transmissionrequirementstesting.44C.1Loudnessratings.44C.1.1SendingLoudnessRating(SLR)–HandsetMS.44C.1.2SendingLoudnessRating(SLR)–HandsfreeMS.44C.1.3ReceivingLoudnessRating(RLR)–HandsetMS.44C.1.4ReceivingLoudnessRating(RLR)-HandsfreeMS.45C.2IdleChannelNoise.45C.2.1Sending.45C.2.2Receiving.45C.3Sensitivity/frequencycharacteristics.45C.3.1Sending-HandsetMS.45C.3.2Sending-HandsfreeMS.46C.3.3Receiving-Handset.46C.3.4Receiving-Handsfree.47C.4Distortion.47C.4.1Sending.47C.4.2Receiving.48C.5Variationofgainwithinputlevel.48C.5.1Sending.48C.5.2Receiving.48C.6Sidetone.48C.6.1Talkersidetone(STMR).48C.6.2Listenersidetone(LSTR).49C.7Sidetonedistortion.49C.8Out-of-bandsignals.49C.8.1Discriminationagainstout-of-bandinputsignalforhandsetandheadsetMS.49C.8.2Spuriousout-of-bandsignalsforhandsetandheadsetMS.49C.8.3Discriminationagainstout-of-bandsignalsforhandsfreeMS.49C.8.4Spuriousout-of-bandemissionsforhandsfreeMS.50C.9Acousticecholoss.50C.9.1Acousticecholoss-HandsetMS.50C.9.2Acousticecholoss-HandsfreeMS.50C.10DelayforhandsfreeMS.51C.10.1Uplink.51C.10.2Downlink.51C.10.3Result.52C.11Ambientnoiserejection.52C.11.1Full-Rate,(TCH-FS)MSAmbientNoiseRejection(handsetMS).53C.11.2Full-Rate,(TCH-FS)MSAmbientNoiseRejection(handsfreeMS).53C.11.3Half-Rate,(TCH-HS)MSandDual-Rate(TCH-FSandTCH-HS)MSAmbientNoiseRejection.53SIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)6(GSM03.50version8.0.1Release1999)AnnexD(normative):MSdelayrequirementdefinition.54D.1FullrateMSdelayrequirementdefinition.54D.2HalfrateMSdelayrequirementdefinition.55AnnexE(informative):Adaptivegaincontrol.56AnnexF(informative):ChangeRequestHistory.57History.58SIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)7(GSM03.50version8.0.1Release1999)IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSpecialMobileGroup(SMG).Thepresentdocumentdescribesthetransmissionplanningaspectspertainingtothespeechservicewithinthedigitalcellulartelecommunicationssystem(Phase2+).ThecontentsofthepresentdocumentissubjecttocontinuingworkwithinSMGandmaychangefollowingformalSMGapproval.ShouldSMGmodifythecontentsofthepresentdocumentitwillbere-releasedwithanidentifyingchangeofreleasedateandanincreaseinversionnumberasfollows:Version8.x.ywhere:8indicatesRelease1999ofGSMPhase2+.xtheseconddigitisincrementedforallchangesofsubstance,i.e.technicalenhancements,corrections,updates,etc.ythethirddigitisincrementedwheneditorialonlychangeshavebeenincorporatedinthespecification.NationaltranspositiondatesDateofadoptionofthisEN:18August2000DateoflatestannouncementofthisEN(doa):30November2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31May2001DateofwithdrawalofanyconflictingNationalStandard(dow):31May2001SIST EN 300 903 V8.0.1:2003



ETSIETSIEN300903V8.0.1(2000-09)8(GSM03.50version8.0.1Release1999)1ScopeThepresentdocumentdescribesthetransmissionplanningaspectspertainingtothespeechserviceintheGSMPLMNsystem.Duetotechnicalandeconomicfactors,therecannotbefullcompliancewiththegeneralcharacteristicsofinternationaltelephoneconnectionsandcircuitsrecommendedbytheITU-T.Thepresentdocumentgivesguidanceastotheprecautions,measuresandminimumrequirementsneededforsuccessfulinterworkingofthePLMNwiththenationalandinternationalPSTN.Thepresentdocumentidentifiesanumberofrouteingandnetworkconfigurations.TheobjectiveistoreachaqualityascloseaspossibletoITU-TstandardsinordertosafeguardtheperformanceseenbyPSTNcustomers.1.1ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.• ForthisRelease1999document,referencestoGSMdocumentsareforRelease1999versions(version8.x.y).[1]GSM01.04:"Digitalcellulartelecommunicationssystem(Phase2+);Abbreviationsandacronyms".[2]GSM03.04:"Digitalcellulartelecommunicationssystem(Phase2+);Signallingr
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