ETSI EN 301 126-3-1 V1.1.1 (2000-04)

Fixed Radio Systems; Conformance testing; Part 3-1: Point-to-Point antennas; Definitions, general requirements and test procedures

DEN/TM-04026-3-1

Fiksni radijski sistemi – Preskušanje skladnosti – 3-1. del: Antene tipa točka-točka – Definicije, splošne zahteve in preskusni postopki

General Information

• Status: Published
• Publication Date: 13-Apr-2000
• Technical Committee: TM 4 - TM Fixed Radio Systems
• Current Stage: 12 - Completion
• Due Date: 14-Apr-2000
• Completion Date: 14-Apr-2000
• Ref Project: SIST EN 301 126-3-1 V1.1.1:2003 - Fixed Radio Systems; Conformance testing; Part 3-1: Point-to-Point antennas; Definitions, general requirements and test procedures

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fixed Radio Systems; Conformance testing; Part 3-1: Point-to-Point antennas; Definitions, general requirements and test procedures33.120.40AnteneAerials33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systemsICS:Ta slovenski standard je istoveten z:EN 301 126-3-1 Version 1.1.1SIST EN 301 126-3-1 V1.1.1:2003en01-december-2003SIST EN 301 126-3-1 V1.1.1:2003SLOVENSKI
STANDARD



SIST EN 301 126-3-1 V1.1.1:2003



ETSIEN301126-3-1V1.1.1(2000-04)EuropeanStandard(Telecommunicationsseries)FixedRadioSystems;Conformancetesting;Part3-1:Point-to-Pointantennas;Definitions,generalrequirementsandtestproceduresSIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)2ReferenceDEN/TM-04026-3-1Keywordsantenna,architecture,DRRS,SDH,testing,transmission,point-to-pointETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/[e-mail]ETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]Ideliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitions,symbolsandabbreviations.73.1Definitions.73.2Symbols.83.3Abbreviations.84RequirementsrelatedtoAntennaconformancetesting.84.1Generalrequirements.84.2Implementationundertest(IUT).105Suppliersdeclaration.105.1Generalcharacteristics.105.1.1Frequencyrange(s).105.1.1.1FrequencyBand(s).105.1.2ClassofantennaRPE.105.1.3AntennaXPDcategory.105.1.4Gaincategory.105.1.5EnvironmentalCharacteristics.105.1.6Antennastability.115.1.7Antennainputconnector.115.1.8Returnloss/VSWR.115.1.9Inter-portisolation.116Testproceduresforessentialrequirements.116.1Radiationpatternenvelope(RPE).116.1.1Objective.116.1.2Testinstrumentsandset-up.116.1.3Testprocedure.126.1.4Testprocedureexample(alternativetestprocedurescouldbeused).126.2Antennacross-polardiscrimination(XPD).126.2.1Objective.126.2.2Testinstrumentsandset-up.136.2.3Testprocedure.136.2.4Testprocedureexample.136.2.5Testprocedureexample.146.3Antennagain.156.3.1Objective.156.3.2Testinstrumentsandset-up.156.3.3Testprocedure.17AnnexA(normative):Supplier'sdeclaration.18A.1SuppliersDeclaration.18A.1.1SuppliersDeclarationagainsttheEssentialParameters.18A.1.2SuppliersDeclarationagainsttheComplementary/OptionalParameters.19A.1.2.1Environmentalcharacteristics.19A.1.2.1.1Temperaturerange.19A.1.2.1.2Windsurvival.19A.1.2.2Antennastability.20A.1.2.3Antennainputconnectors.20A.1.2.4Returnloss/VSWR.20A.1.2.5Inter-portisolation.20SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)4AnnexB(normative):Testreport.21B.1Testresults.21B.1.1Summaryoftests.21B.1.2Generalinformationaboutthetests.22B.1.3Testresultforms.22B.1.3.1RadiationPatternEnvelope(RPE).22B.1.3.1.1Co-polarradiationpatterns.22B.1.3.1.2Cross-polarradiationpatterns.23B.1.3.2Antennacross-polardiscrimination(XPD).24B.1.3.3Antennagain.24B.1.3.4Environmentalconditionsduringthetest.25B.1.4MeasurementAccuracy.25B.1.4.1Gainmeasurementaccuracy.25B.1.4.2Co-polar,cross-polarradiationpatternsandantennaXPDmeasurementaccuracy.25B.2Testequipmentusedfortests.26B.3Supplementaryinformation.27B.4Testsitedetails.27B.4.1Exampleoftestsitedescription.27Bibliography.29History.30SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeTransmissionandMultiplexing(TM).Thepresentdocumentdefinesthetypeapprovaltestingrequirementsfortheantennaspecificparameters,requireddirectlybytherelevantradiorelayorantennastandard.Harmonizedtestmethodsandtestreportformat,fortheseparameters,arealsocontained,herein.Inadditiontothemainbodyofthepresentdocumenttherearetwoannexes,namelytheSupplierDeclaration(annexA)andtheTestReport(annexB).Theparametersinthetwoannexesareaccordingtothemainbodyofthepresentdocument.Thepresentdocumentispart3,sub-part1ofamulti-partENcoveringtheFixedRadioSystem;Conformancetesting,asidentifiedbelow:Part1:"Point-to-Pointequipment;Definitions,generalrequirementsandtestprocedures";Part2-1:"Point-to-Multipointequipment;Definitionsandgeneralrequirements";Part2-2:"Point-to-Multipointequipment;TestproceduresforFDMAsystems";Part2-3:"Point-to-Multipointequipment;TestproceduresforTDMAsystems";Part2-4:"Point-to-Multipointequipment;TestproceduresforFH-CDMAsystems";Part2-5:"Point-to-Multipointequipment;TestproceduresforDS-CDMAsystems";Part3-1:"Point-to-Pointantennas;Definitions,generalrequirementsandtestprocedures";Part3-2:"Point-to-Multipointantennas;Defintions,generalrequirementsandtestprocedures".NationaltranspositiondatesDateofadoptionofthisEN:24March2000DateoflatestannouncementofthisEN(doa):30June2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31December2000DateofwithdrawalofanyconflictingNationalStandard(dow):31December2000SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)61ScopeThepresentdocumentdetailsstandardizedproceduresforconformancetestingofantennasforpoint-to-pointradiorelaysystems[1]inordertoachievetheapprovalbytheTypeApprovalAuthority.Theprocedurefordealingwithestablishedproductsareoutsidethescopeofthepresentdocument.StandardizedproceduresarerequiredinordertofulfillCEPT/ERC/DEC/(97)10[2]onthemutualrecognition,withinCEPT,ofconformancetestofantennascarriedoutinindividualCEPTCountries.Thepresentdocumentisintendedtobeappliedinconjunctionwiththeindividualantennastandardsandwillenablecommonalityinthepresentationoftestresults,irrespectiveoftheSuppliers/accreditedlaboratorycarryingoutthetest.NOTE:TherecentdraftDirectivebytheEEC[97-149(COD)]andparallelworkwithinCEPTERConmutualrecognition,proposesthattypeapprovalagainstessentialrequirementscanbecarriedoutatmanufacturersorthirdpartypremises.ThelevelofaccreditationrequiredneedstobeclarifiedbyCEPT.Theconformancetestsdescribedinthepresentdocumentarerelatedtoantennaspecificparametersrequireddirectlybytherelevantantennastandards.Integratedantennaswhichcannotbeseparatedfromtheequipmentarenotcoveredbythepresentdocument.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN300833:"FixedRadioSystems;PointtoPointAntennas;Antennasforpoint-to-pointfixedradiosystemsoperatinginthefrequencyband3GHzto60GHz".[2]CEPT/ERC/DEC/(97)10:"Onthemutualrecognitionofconformityassessmentproceduresincludingmarkingofradioequipmentanradioterminalequipment".[3]ISO/IECGuide25(1990):"Generalrequirementsforthecompetenceofcalibrationandtestinglaboratories".[4]ISO/IECGuide28(1982):"Generalrulesforamodelthird-partycertificationsystemforproduct".[5]EN45001(1989):"Generalcriteriafortheoperationoftestinglaboratories".[6]EN45002(1989):"Generalcriteriafortheassessmentoftestinglaboratories".[7]ISO9001(1994):"Qualitysystems;Modelforqualityassuranceindesign,development,production,installationandservicing".[8]IEC835-2-2(1994):"Methodsofmeasurementforequipmentusedindigitalmicrowavetransmissionsystems;Part2:Measurementsonterrestrialradio-relaysystems;Section2:Antenna".[9]1999/5/EC:"Onradioequipmentandtelecommunicationterminalequipmentandthemutualrecognitionoftheirconformity".SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)7[10]IEC154:"Informationtechnology;Datainterchangeon90mmopticaldiskcartridges;HS-1format;Capacity:650Mbytespercartridge".[11]IEC169:"Radio-frequencyconnectors".3Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:accreditation:formalrecognitionthatatestinglaboratoryiscompetenttocarryoutspecifictestsorspecifictypesoftest.accreditationbody:bodythatconductsandadministersalaboratoryaccreditationsystemandgrantsaccreditation.accreditationsystem:systemthathasitsownrulesofprocedureandmanagementforcarryingoutlaboratoryaccreditation.accreditedlaboratory:testinglaboratorywhichaccreditationhasbeengrantedinaccordancewiththeISO/IECguides25[3]and28[4]orEN45001[5]andEN45002[6].antenna:thatpartofthetransmittingorreceivingsystemthatisdesignedtoradiateand/orreceiveelectromagneticwaves.approvaltesting:approvaloftheImplementationUnderTest(IUT)bytheappropriateauthorityforregulatorypurposes.InthiscontextapprovalimpliesthattheIUThasmettheessentialrequirementsofthestandardagainstwhichithasbeentested.ComplementaryRequirements(CR):allthoserequirementsnotpartoftheessentialrequirementsarecomplementaryrequirements.conformancetesting:processtoverifytowhatextenttheIUTconformstothestandard.essentialrequirements:basicsetofparametersandfunctionswhicharenecessarytomeetanyregulatoryobligationsimposedforradiofrequencyco-ordination.ImplementationUnderTest(IUT):representativesampleoftheequipmentforConformanceTesting.OptionalRequirements(OR):usedinastandardwithtwodifferentmeanings:1)optionalinthesensethattheparameterorfunctionitselfismandatorybutthereismorethanonepossiblevalueorconfigurationwhichmaybechosen(e.g.classofAntennaRPE,frequencyband(s),etc.).Onceanoptionisselecteditbecomesmandatory;2)optionalinthesensethatthefeatureisnotmandatory(e.g.antennainputconnectoretc.).However,oncesuchanoptionhasbeenimplementeditbecomesmandatorythatitconformstotherequirementsofthepresentdocument.Supplier:organizationrequestingtheapproval.Supplier'sDeclaration(SD):procedurebywhichasuppliergiveswrittenassurancethataparameterorfunctionconformstothepresentdocument.TypeApprovalAuthority:nationalRegulatory/LicensingAuthority.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)83.2SymbolsForthepurposesofthepresentdocument,thefollowingsymbolapplies:dBdecibel3.3AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:CRComplementaryRequirementEREssentialRequirementExtExtremeconditionsIUTImplementationUnderTestOROptionalRequirementRefReferenceconditionsRFRadioFrequencySDSupplier'sDeclarationTRTestRequiredRPERadiationPatternEnvelopeVSWRVoltageStandingWaveRetroXPDAntennaCross-PolarDiscrimination4RequirementsrelatedtoAntennaconformancetesting4.1GeneralrequirementsIntable1thegenericclausesandparametersareclassified,forconformancetestingpurposes,intermsofthevariouscategories.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)9Table1:'Genericrequirements'classificationFunctionorParameterDescriptionStatusforconformanceRequirementforconformancetestingPowersupplyconditionsClimaticconditionsfortestLimitingvaluesTestmethodsERCRORSDTRSD3+TRRefRef+ExtRef.(note1)Ref+Ext.ClauseRef.IEC835-2-2[8]orotherRef.(note2)FrequencyrangeXXX(note3)Frequencyband(s)XXX3ClassofantennaRPEXXX3Radiationpatternenvelope(RPE)XXXXIEC835-2-2[8]Antennacross-polardiscrimination(XPD)XXXXIEC835-2-2[8]AntennagainXXXXIEC835-2-2[8]EnvironmentalcharacteristicsXXXAntennastabilityXXXAntennainputconnectorsXXXReturnloss/VSWRXXIEC835-2-2[8]Inter-portisolationXXIEC835-2-2[8]NOTE1:TheenvironmentalconditionsatthetimeoftestshallberecordedintheTestReport.Thisdeclarationwillalsoguaranteethattheessentialrequirementsshallbemetfortheenvironmentalconditionsgiveninsubclause5.1.5andsubclause5.1.6.NOTE2:Alternativetestmethodsmaybeagreedpriortotesting.NOTE3:SDisintendedforproperselectionamongprovidedoptionsorforinformationnecessarytocarryouttheTest.Cleardistinctionismadebetween"EssentialRequirements(ER)"whichrequire"ApprovalTesting"forregulatorypurposeand"ComplementaryRequirements(CR)orOptionalRequirements(OR)"whichfulfillthe"ConformanceTesting"againsttherelevantstandards.TheTypeApprovalAuthorityshallrequiretheSupplier’sdeclarationwhichencompassesthetestreportdemonstratingessentialrequirements(radiationpattern,antennacrosspolardiscriminationandgain),accompaniedbyevidenceofaccreditationtoaninternationallyrecognizedQualityStandard,atleastISO9001[7].Thesuppliershallbeconsideredlegallyresponsibleforanystatementinthedeclaration.AnnexAcontainstheSuppliersDeclarationtemplateforalltheparametersintable1.AnnexBcontainstheTestReporttemplatefortheessentialrequirementslistedintable1.TestMethodsshallbeadoptedinaccordancewithIEC835-2-2[8],althoughsuitabletestmethodsmaybeagreedbetweentheSupplierandtheTypeApprovalAuthority,priortotesting.Adescriptionofthetestmethodistobeincludedinthetestreport.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)104.2Implementationundertest(IUT)TheIUTpresentedforTypeapprovalshallbearepresentativeproductionmodel.TestingshallbeconductedatpointD(D’)infigure1.AnappropriateadaptershallbeusedifrequiredtoconnecttheantennaatpointD(D’)tothetestequipmentandtheeffectsoftheadapteruponthetestresultsshallbetakenintoaccountanddeclared.TheconfigurationusedduringthetestshallbeprovidedinthetestreportclearlyindicatingpointD(D’).Figure1:Systemblockdiagram5Suppliersdeclaration5.1Generalcharacteristics5.1.1Frequencyrange(s)Thefrequencyrange(s)fromthosequotedintherelevantstandardshallbestated.5.1.1.1FrequencyBand(s)Theoperationalfrequencyband(s)oftheantennashallbestatedandmeasurementsshallbecarriedoutasaminimumatthelowest,middleandhighestfrequencyof(eachof)therelevantband(s).5.1.2ClassofantennaRPETheclassofantennaRPEfromwithinthedeclaredfrequencyrangeoftherelevantantennastandardshallbestated.5.1.3AntennaXPDcategoryTheXPDcategoryoftheantennafromwithinthedeclaredfrequencyrangeoftherelevantantennastandardshallbestated.5.1.4GaincategoryThegaincategoryfromwithinthedeclaredfrequencyrangeoftherelevantantennastandardshallbestated.5.1.5EnvironmentalCharacteristicsThesuppliershalldeclarethetemperaturerangeandthewindsurvivalratingoftheantenna.Guidanceinformationonantennaenvironmentalcharacteristicsmaybefoundintherelevantantennastandard.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)115.1.6AntennastabilityThesuppliershalldeclaretheoperationalconditionsunderwhichtheantennashallremainstable.Guidanceinformationonantennastabilitymaybefoundintherelevantantennastandard.5.1.7AntennainputconnectorThesuppliershalldeclarethattheantennainputconnector(s)conformstoIEC154[10],IEC169[11]and/orothermanufacturer’sproprietaryconnectiondesigns.5.1.8Returnloss/VSWRThesuppliershalldeclaretheminimumreturnlossvalueand/orthemaximumVSWRovertheoperationalfrequencyband(s).5.1.9Inter-portisolationForantennaswithtwoormoreinputportsthesuppliershalldeclaretheminimuminter-portisolationovertheoperationalfrequencyband(s).6TestproceduresforessentialrequirementsWherenecessary,forbetterunderstandingoftheapplicationoftestmethods,referenceismadetoIEC835-2-2[8](Testmethods).Alternativetestmethods,amongthemcompactantennatestrangesornear-fieldscan,maybeagreedbetweentheSupplierandtheTypeApprovalAuthoritypriortotesting.6.1Radiationpatternenvelope(RPE)6.1.1ObjectiveToverifythattheantennaradiationpattern,forthedeclaredclassandfrequencyrange,iscontainedwithinthelimitsofthestatedRPEfromtherelevantstandard.6.1.2Testinstrumentsandset-upFigure2belowshowsatypicaltestset-up.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)12TransmittingantennaRF-transmitterMicrowaveReceiverReceiverTransmitterAntennaAxisIUTFigure2:Exampleofarrangementforthemeasurementoftheradiationpatternintheazimuthplane6.1.3TestprocedureThetestmethodsdescribedinIEC835-2-2[8]aregenerallyapplicable.Theantennashallbemeasuredasaminimumatthelowest,middleandhighestfrequencyof(eachof)thedeclaredfrequencyband(s).Thecross-polarradiationpatternsshallberecordedafteranalignmentprocedurebasedontheminimizationofthecross-polarlevelinthefrequencyband(s)oftheantenna.Thissettingshallbemaintainedforallthecross-polarmeasurementsatallfrequencies.6.1.4Testprocedureexample(alternativetestprocedurescouldbeused)a)Alladjustmentshavetobemadeatmiddlefrequency.b)AdjustthepolarizationoftheIUTtobeparallelorperpendiculartotheazimuthplanecontainingthetransmissionaxis.c)AligntheazimuthandelevationofthetransmittingantennaandtheIUTformaximumco-polarsignal.d)Changethepolarizationofthetransmittingantennatocross-polar.e)Adjustthepolarizationofthetransmittingantennatotheminimumcross-polarlevel.f)Changethepolarizationofthetransmittingantennabacktoco-polar.g)Thisalignmentshouldbemaintainedforallmeasurements.(Inthecaseofasinglepolarizedantennathealignmenthastoberepeatedfortheotherpolarization).h)Performco-polarandcross-polarmeasurementsatlowest,middleandhighestfrequencyineachdeclaredfrequencyband(s).6.2Antennacross-polardiscrimination(XPD)ThissubclauseappliesonlytohighXPDantennasEN300833[1].6.2.1ObjectiveToverifythattheantennaXPDiscontainedwithinthelimitsstatedfromtherelevantstandard.Thisisforthedeclaredclass,category,frequencyrange,frequencybandandfigurenumber,asapplicable,fortheIUT.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)136.2.2Testinstrumentsandset-upFigure2showsatypicaltestset-up.6.2.3TestprocedureThetestmethodsdescribedinIEC835-2-2[8]aregenerallyapplicable.Theantennashallbemeasuredasaminimumatthelowest,middleandhighestfrequencyof(eachof)thedeclaredfrequencyband(s).Theangularpositionofthetransmittingantennaaroundtheantennaaxis,determinedduringthecross-polarradiationpatternsmeasurements,shallbemaintainedalsoduringthemeasurementsoftheantennaXPD.AteachangularpointtheantennaXPDcorrespondstothehighestvalueofcross-polarizationreferredtotheco-polarizedmainbeamgain,bothmeasuredatthesamefrequency.6.2.4TestprocedureexampleTomeasuretheantennaXPDaccordingtofigure3thefollowingtestprocedurecouldbeadopted:-1dBco-polarcontourAzimuthElevationFigure3:MaskfortheantennaXPDmeasurementsaroundthemainbeamaxis(figure8)a)Atthesamepolarization,forboththetransmittingantennaandtheantennatobetested,aligntheantennaundertesttoobtainmaximumreceivedsignal.Useexpandedscaleandrecordmainlobe,azimuthandelevationcut.Notethepeaklevelangles,inazimuthandelevationonthetestrecord.Thenchangethepolarizationofthetransmittingantennaby90degreeinordertoobtainoptimalantennacross-polardiscrimination.b)The-1dBangleshallbereadfromtheco-polarexpandedpatternandnotedonthetestrecord.c)VerifytheantennaXPDwithin-1dBcontour(seefigure3).Thisisdonebytakingseveralelevationcutsasshowninfigure4.Theangularincrementbetweeneachcutshouldbeasamaximum10%ofthe-1dBco-polarcontourdowntoaminimumof0,05°.Firstandlastrecordingshallbelabeleddirectionandangle.d)Repeatstepb)andc)forthelowestandhighestfrequency.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)14Azimuthangle[deg]Elevationangle[deg]Elevationcut-1dBco-polarcontourFigure4:MeasurementoftheantennaXPDinthe-1dBco-polarcontourVerificationofantennaXPDisalsopossiblebytakingseveralazimuthcutsinsteadofelevationcuts.6.2.5TestprocedureexampleTomeasuretheantennaXPDaccordingtofigure5thefollowingtestprocedurecouldbeadopted:-1dBco-polarcontourAzimuthElevationφφφφ
θθθθ
θθθθ
φφφφ
[degree]:3,0[degree]:0,2RegionAFigure5:MaskfortheantennaXPDmeasurementsaroundthemainbeamaxis(figure9)a)Atthesamepolarization,forboththetransmittingantennaandtheantennatobetested,aligntheantennaundertesttoobtainmaximumreceivedsignal.Useexpandedscaleandrecordmainlobe,azimuthandelevationcut.Notethepeaklevelangles,inazimuthandelevationonthetestrecord.Thenchangethepolarizationofthetransmittingantennaby90degreesinordertoobtainoptimalantennacross-polardiscrimination.b)The-1dBangleshallbereadfromtheco-polarexpandedpatternandnotedonthetestrecord.c)VerifytheantennaXPDwithinRegionAandadditionalrectangularpartoffigure5.Thisisdonebytakingseveralelevationcutsasshowninfigure6.d)VerifytheantennaXPDwithin-1dBcontour(seefigure3).Thisisdonebytakingseveralelevationcuts.Theangularincrementbetweeneachcutshouldbeasamaximum10%ofthe-1dBco-polarcontourdowntoaminimumof0,05°.Firstandlastrecordingshallbelabeleddirectionandangle.e)Repeatstepb)tod)forthelowestandhighestfrequency.SIST EN 301 126-3-1 V1.1.1:2003



ETSIETSIEN301126-3-1V1.1.1(2000-04)
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