SIST EN 301 427:2001
(Main)Satellite Earth Stations and Systems (SES); Harmonized EN for Low data rate Land Mobile satellite Earth Stations (LMES) operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive
General Information
- Abstract
The new R&TTE Directive implies the conversion of existing TBRs. TC SES decided during SES#40 to accelerate the process, and planned to send TBR26, TBR27, TBR28, TBR30,TBR41, TBR42, TBR43 and TBR44 to OAP during a dedicated TC SES #42 meeting (30/11-3/12/99).
- Status
- Published
- Publication Date
- 31-Aug-2001
- Technical Committee
- RES - Radio equipment and systems
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Sep-2001
- Due Date
- 01-Sep-2001
- Completion Date
- 01-Sep-2001
- Mandate
- M/284
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Overview
SIST EN 301 427:2001 is a harmonized European standard that specifies the essential requirements for Low Data Rate Land Mobile Earth Stations (LMES) operating within the 11, 12, and 14 GHz frequency bands. Developed by the Slovenski inštitut za standardizacijo (SIST) under the ETSI framework, this standard aligns with article 3.2 of the Radio and Telecommunication Terminal Equipment (R&TTE) Directive, ensuring compatible and interference-free use of allocated radio spectrum for satellite communications.
The LMES covered by this standard are typically mobile or portable and connect via geostationary satellites for land-based users. This standard supports the ongoing harmonization and conversion of earlier technical bases (TBRs), providing consistent regulatory requirements to facilitate the free movement of satellite equipment and systems within the European internal market.
Key Topics
Scope of Application
- Applies to LMES that operate between 10.70-11.70 GHz, 12.50-12.75 GHz (space to earth), and 14.00-14.25 GHz (earth to space).
- Includes both vehicle-mounted and portable equipment.
- Covers systems using either omnidirectional or directional antennas with satellite tracking capability.
- Specifies compliance for LMES operating as part of distributed satellite networks with centralized Network Control Facilities (NCF).
Essential Technical Requirements
- Emission Control: Limits unwanted emissions both inside and outside the operational frequency bands to prevent interference with primary and co-located services.
- Power and Spectrum Use: Stipulates equivalent isotropically radiated power (EIRP) limits and spectral density constraints for off-axis and main beam emissions.
- Control and Monitoring: Mandates processor monitoring, transmit subsystem checks, power-on/reset behavior, and strict network control command implementations to minimize risk of accidental emissions.
- Testing Requirements: Requires compliant environmental testing and radiated/conducted emissions test procedures for regulatory conformity.
Modular Standards Structure
- The document accommodates evolving technologies and network architectures by adopting a modular standards approach. This minimizes the need for new standards as frequency allocations change and new functionalities emerge.
Applications
SIST EN 301 427:2001 is critical for:
- Manufacturers of satellite earth stations and user terminals seeking market access in Europe. Demonstrating compliance streamlines regulatory approval under the R&TTE Directive.
- Telecommunications Operators implementing land mobile satellite communication networks for commercial, emergency, or government services.
- System Integrators designing vehicle-based or portable communication solutions where mobility, reliability, and spectrum compliance are essential.
- Regulators and test laboratories responsible for ensuring that satellite equipment meets European emission and operational safety requirements.
Practically, the standard supports diverse applications such as logistics fleet connectivity, emergency response coordination, media broadcasting on the move, and remote industrial monitoring, all relying on robust and interference-free satellite links.
Related Standards
- EN 301 428 - Additional requirements for Satellite Earth Stations (SES) for other frequency ranges.
- EN 302 340 - Broadband satellite communications and digital television transmitter standards.
- Directive 1999/5/EC (R&TTE Directive) - Overarching framework for radio equipment and terminal equipment conformity.
- CISPR 16-1 - Measurement apparatus and methods for radiodisturbance and immunity.
Other TBR references (TBR26, TBR27, TBR28, TBR30, TBR41, TBR42, TBR43, and TBR44) inform and complement the harmonized requirements for satellite earth station technology within the EU regulatory landscape.
Keywords: satellite earth station, land mobile satellite, LMES, 11 GHz, 12 GHz, 14 GHz, emission limits, R&TTE directive, spectrum harmonization, European standard, radio equipment compliance, SIST EN 301 427.
Relations
- Effective Date
- 01-Dec-2009
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Frequently Asked Questions
SIST EN 301 427:2001 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Satellite Earth Stations and Systems (SES); Harmonized EN for Low data rate Land Mobile satellite Earth Stations (LMES) operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive". This standard covers: The new R&TTE Directive implies the conversion of existing TBRs. TC SES decided during SES#40 to accelerate the process, and planned to send TBR26, TBR27, TBR28, TBR30,TBR41, TBR42, TBR43 and TBR44 to OAP during a dedicated TC SES #42 meeting (30/11-3/12/99).
The new R&TTE Directive implies the conversion of existing TBRs. TC SES decided during SES#40 to accelerate the process, and planned to send TBR26, TBR27, TBR28, TBR30,TBR41, TBR42, TBR43 and TBR44 to OAP during a dedicated TC SES #42 meeting (30/11-3/12/99).
SIST EN 301 427:2001 is classified under the following ICS (International Classification for Standards) categories: 33.070.40 - Satellite. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 427:2001 has the following relationships with other standards: It is inter standard links to SIST EN 301 427 V1.2.1:2004. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 301 427:2001 is associated with the following European legislation: EU Directives/Regulations: 2005-01-1864; Standardization Mandates: M/284. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 301 427:2001 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Satellite Earth Stations and Systems (SES); Harmonized EN for Low data rate Land Mobile satellite Earth Stations (LMES) operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive33.070.40SatelitSatelliteICS:Ta slovenski standard je istoveten z:EN 301 427 Version 1.1.136IST EN 301 427:2001en01-MXOLM-20013SIST EN 301 427:2001SLOVENSKI
STANDARD
ETSIEN301427V1.1.1(2000-05)CandidateHarmonizedEuropeanStandard(Telecommunicationsseries)SatelliteEarthStationsandSystems(SES);HarmonizedENforLowdatarateLandMobilesatelliteEarthStations(LMES)operatinginthe11/12/14GHzfrequencybandscoveringessentialrequirementsunderarticle3.2oftheR&TTEdirectiveSIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)2ReferenceDEN/SES-000-TBR27Keywordssatellite,earthstation,LMES,regulationETSI650RoutedesLuciolesF-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 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)3ContentsIntellectualPropertyRights.6Foreword.6Introduction.71Scope.92References.103Definitionsandabbreviations.103.1Definitions.103.2Abbreviations.114Technicalrequirementspecifications.114.1Environmentalprofile.114.2Conformancerequirements.114.2.1Unwantedemissionsoutsidetheband.114.2.1.1Justification.114.2.1.2Specification.124.2.1.3Conformancetests.124.2.2Unwantedemissionswithintheband.124.2.2.1Justification.124.2.2.2Specification.124.2.2.3Conformancetests.134.2.3Off-axisEIRPemissionsdensityinthenominatedbandwidth.134.2.3.1Justification.134.2.3.2Specification.134.2.3.3Conformancetests.134.2.4ControlandMonitoringFunctions(CMF).134.2.4.1Processormonitoring.134.2.4.1.1Justification.134.2.4.1.2Specification.144.2.4.1.3Conformancetests.144.2.4.2Transmitsubsystemmonitoring.144.2.4.2.1Justification.144.2.4.2.2Specification.144.2.4.2.3Conformancetests.144.2.4.3Power-on/Reset.144.2.4.3.1Justification.144.2.4.3.2Specification.144.2.4.3.3Conformancetests.144.2.4.4ControlChannel(CC)reception.144.2.4.4.1Justification.144.2.4.4.2Specification.154.2.4.4.3Conformancetests.154.2.4.5Networkcontrolcommands.154.2.4.5.1Justification.154.2.4.5.2Specification.154.2.4.5.3Conformancetests.154.2.4.6Initialbursttransmission.154.2.4.6.1Justification.154.2.4.6.2Specification.164.2.4.6.3Conformancetests.165Testingforcompliancewithtechnicalrequirements.165.1Environmentalconditionsfortesting.165.2Essentialradiotestsuites.16SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)46Testmethods.166.1General.166.2Unwantedemissionsoutsidetheband14,00GHzto14,25GHz.176.2.1General.176.2.2Testsite.176.2.3Testmethod.176.2.3.1Receivetestequipment.186.2.3.1.1Measuringreceiverformeasurementsupto1000MHz.186.2.3.1.2Spectrumanalyserformeasurementsabove1000MHz.186.2.4Procedure.186.2.4.1Testarrangements.186.2.4.2Upto1000MHz.196.2.4.3Above1000MHz.206.2.4.3.1Identificationofthesignificantfrequenciesoftheradiatedunwantedemissions.206.2.4.3.2Measurementofradiatedpowerlevelsofidentifiedspuriousradiation.216.2.4.3.3Measurementofconductedunwantedemissionsattheantennaflange.226.2.4.3.3.1Testsite.226.2.4.3.3.2Procedure.226.3Unwantedemissionswithintheband14,00GHzto14,25GHz.226.3.1Testmethod.226.3.1.1General.236.3.1.2Methodofmeasurementattheantennaflange.236.3.1.3Methodofmeasurementwithatestantenna.246.4Off-axisEIRPemissionsdensityinthenominatedbandwidth.256.4.1General.256.4.2Staticrmsantennapointingaccuracy.256.4.2.1Methodofmeasurement.256.4.3Measurementoftheoff-axisEIRPwithouttheantenna.266.4.3.1Transmitteroutputpowerdensity.266.4.3.1.1Methodofmeasurement.266.4.3.2Antennatransmitgain.276.4.3.2.1General.276.4.3.2.2Testsite.276.4.3.2.3Methodofmeasurement.276.4.3.3Antennatransmitradiationpatterns.286.4.3.3.1General.286.3.3.3.2Testsite.286.3.3.3.3Methodofmeasurement.296.4.3.4Computationofresults.296.4.4Measurementoftheoff-axisEIRPwiththeantenna.306.4.4.1General.306.4.4.2MaximumEIRPdensityper40kHzratiorelativetotheEIRP.306.4.4.2.1Methodofmeasurement.306.4.4.3Maximumon-axisEIRP.306.4.4.3.1General.306.4.4.3.2Testsite.306.4.4.3.3Methodofmeasurement.316.4.4.4Antennatransmitradiationpatterns.326.4.4.4.1General.326.4.4.4.2Testsite.326.4.4.4.3Methodofmeasurement.326.4.4.5Computationofresults.336.5Controlandmonitoring.336.5.1General.336.5.2Testarrangement.346.5.3Processormonitoring.356.5.3.1Testmethod.356.5.4Transmitsubsystemmonitoring.356.5.4.1Testmethod.356.5.5Power-on/Reset.35SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)56.5.5.1Testmethod.356.5.6ControlChannel(CC)reception.366.5.6.1Testmethod.366.5.7Networkcontrolcommands.376.5.7.1Testmethod.376.5.8Initialbursttransmission.386.5.8.1Testmethod.38AnnexA(normative):TheENRequirementsTable(EN-RT).39Bibliography.40History.41SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)6IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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.ForewordThisCandidateHarmonizedEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSatelliteEarthStationsandSystems(SES).ThepresentdocumenthasbeenproducedbyETSIinresponsetoamandatefromtheEuropeanCommissionissuedunderCouncilDirective98/34/EC[3](asamended)layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.ThepresentdocumentisintendedtobecomeaHarmonizedStandard,thereferenceofwhichwillbepublishedintheOfficialJournaloftheEuropeanCommunitiesreferencingtheDirective1999/5/EC[1]oftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity("theR&TTEDirective").NationaltranspositiondatesDateofadoptionofthisEN:28April2000DateoflatestannouncementofthisEN(doa):31July2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2001DateofwithdrawalofanyconflictingNationalStandard(dow):31January2001SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)7IntroductionETSIhasdesignedamodularstructureforthestandards.Eachstandardisamoduleinthestructure.Themodularstructureisshowninfigure1.NewstandardforHealthforradio(ifneeded)Useofspectrum*IfneededScopedbyequipmentclassortypeScopedbyfrequencyand/orequipmenttypeDisability*Privacy*Fraud*Noharmtothenetwork*Emergency*Inter-workingviathenetwork*Inter-workingwiththenetworkNon-radioRadio(RE)Non-TTETTE3.1b3.23.3c3.3b3.3a3.3d3.3e3.3fRadioProductEMCExistingEMCstandardstobereplacedbyanewsinglemulti-partstandardGenericandbasestandardsalsonotifiedunderEMCDirectiveStandardsalsonotifiedunderLVDDirective(inclacousticsafetyifneeded)3.1aNewradioharmonisedstandardsSpectrumEMCSafetyFigure1:ModularstructureforthevariousstandardsusedundertheR&TTEDirectiveThelefthandedgeofthefigureshowsthedifferentsubclausesofArticle3oftheDirective.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)8Forarticle3.3varioushorizontalboxesareshown.TheirdottedlinesindicatethatnoessentialrequirementsintheseareashaveyetbeenadoptedbytheCommission.Ifsuchessentialrequirementsareadopted,theywillbeelaboratedinindividualstandardswhosescopeislikelytobespecifiedbyfunctionorinterfacetype.Theverticalboxesshowthestandardsunderarticle3.2fortheuseoftheradiospectrum.Thescopesofthesestandardsarespecifiedeitherbyfrequency(normallyinthecasewherefrequencybandsareharmonized)orbyradioequipmenttype.Forarticle3.1(b),thediagramshowsthenewsinglemulti-partproductEMCstandardforradio,andtheexistingcollectionofgenericandbasestandardscurrentlyusedundertheEMCDirective.Thepartsofthisnewstandardwillbecomeavailableinthesecondhalfof2000,andtheexistingseparateEMCstandardswillbeuseduntilitisavailable.Forarticle3.1(a)thediagramshowstheexistingsafetystandardscurrentlyusedundertheLVDDirectiveandthepossibilityofanewstandardonhealthrelatingtoradioemissionsThebottomofthefigureshowstherelationshipofthestandardstoradioequipmentandtelecommunicationsterminalequipment.Aparticularequipmentmayberadioequipment,telecommunicationsterminalequipmentorboth.Themodularapproachhasbeentakenbecause:-itminimizesthenumberofstandardsneeded.Becauseequipmentmayhavemultipleinterfacesandfunctionsitisnotpracticabletoproduceasinglestandardforeachpossiblecombinationoffunctionsthatmayoccurinanequipment;-itprovidesscopeforstandardstobeadded:-underarticle3.2whennewfrequencybandsareagreed;or-underarticle3.3shouldtheCommissiontakethenecessarydecisions;withoutrequiringalterationofstandardsthatarealreadypublished.ThepresentdocumentisbasedonTBR027[4].Therequirementshavebeenselectedtoensureanadequatelevelofcompatibilitywithotherradioservices.Thelevels,however,donotcoverextremecaseswhichmayoccurinanylocationbutwithalowprobabilityofoccurrence.Thepresentdocumentmaynotcoverthosecaseswhereapotentialsourceofinterferencewhichisproducingindividuallyrepeatedtransientphenomenaoracontinuousphenomenonispresent,e.g.aradarorbroadcastsiteinthenearvicinity.Insuchacaseitmaybenecessarytousespecialprotectionappliedtoeitherthesourceofinterference,ortheinterferedpartorboth.Thepresentdocumentdoesnotcontainanyrequirement,recommendationorinformationabouttheinstallationoftheLMES.Thedeterminationoftheparametersoftheuserearthstationsusingagivengeo-stationarysatellitefortheprotectionsofthespectrumallocatedtothatsatellite,isconsideredtobeundertheresponsibilityofthesatelliteoperatororthesatellitenetworkoperators.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)91ScopeThepresentdocumentappliestoLandMobileEarthStations(LMESs)whichhavethefollowingcharacteristics:-theLMESareoperatinginoneormorefrequencyrangesoftheFixedSatelliteService(FSS):-10,70GHzto11,70GHz(spacetoearth);-12,50GHzto12,75GHz(spacetoearth);-14,00GHzto14,25GHz(earthtospace).BecausethetransmissionsfromtheLMEStotheSatelliteinthe14,00GHzto14,25GHzbandfallunderasecondaryallocation,thetransmissionsshouldnotcauseharmfulinterferencetoprimaryservices(e.g.theFixedSatelliteService(FSS))andatthesametimecannotclaimprotectionfromharmfulinterferencefromthoseservices.-theLMEScouldbeeithervehiclemountedorportableequipment;-theLMEScouldconsistofanumberofmodulesincludingakeyboardinterfacetotheuser;-theLMESuselinearpolarization;-theLMESoperatethroughageostationarysatelliteatleast3°awayfromanyothergeostationarysatelliteoperatinginthesamefrequencybandandcoveringthesamearea;-theantennaoftheLMESmaybeomnidirectionalordirectionalwithameansoftrackingthesatellite;-theLMESareoperatingaspartofasatellitenetworkusedforthedistributionand/orexchangeofinformationbetweenusers;-theLMESarecontrolledandmonitoredbyaNetworkControlFacility(NCF).TheNCFisoutsidethescopeofthepresentdocument.ThepresentdocumentappliestotheLMESwithitsancillaryequipmentanditsvariousterrestrialports,andwhenoperatedwithintheboundarylimitsoftheoperationalenvironmentalprofiledeclaredbytheapplicant.ThepresentdocumentisintendedtocovertheprovisionsofDirective1999/5/EC[1](R&TTEDirective)[1]Article3.2,whichstatesthat"…radioequipmentshallbesoconstructedthatiteffectivelyusesthespectrumallocatedtoterrestrial/spaceradiocommunicationsandorbitalresourcessoastoavoidharmfulinterference.".Inadditiontothepresentdocument,otherENsthatspecifiestechnicalrequirementsinrespectofessentialrequirementsunderotherpartsofArticle3oftheR&TTEDirective[1]mayapplytoequipmentwithinthescopeofthepresentdocument.NOTE:AlistofsuchENsisincludedontheETSIwebsite.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)102ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsequipmentandthemutualrecognitionoftheirconformity.[2]CISPR16-1:"Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods-Part1:Radiodisturbanceandimmunitymeasuringapparatus"(annexG:Validationoftheopenareatestsiteforthefrequencyrangeof30MHzto1000MHz).[3]Directive98/34/ECoftheEuropeanParliamentandoftheCouncilof22June1998layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.[4]TBR027:"SatelliteEarthStationsandSystems(SES);LowdatarateLandMobilesatelliteEarthStations(LMES)operatinginthe11/12/14GHzfrequencybands".3Definitionsandabbreviations3.1DefinitionsForthepurposeofthepresentdocument,thetermsanddefinitionsgivenintheR&TTEDirective[1],andthefollowingtermsanddefinitionsapply.applicant:manufacturerorhisauthorizedrepresentativewithintheEuropeanCommunityorthepersonresponsibleforplacingtheapparatusonthemarket.carrier-offstate:LMESisinthisstatewheneitheritisauthorizedbytheNetworkControlFacility(NCF)totransmitbutwhenitdoesnottransmitanysignal,orwhenitisnotauthorizedbytheNCFtotransmit.carrier-onstate:LMESisinthisstatewhenitisauthorizedbytheNCFtotransmitandwhenittransmitsasignal.ControlChannel(CC):channelorchannelsbywhichLMESreceivecontrolinformationfromtheNCFoftheirnetwork.Environmentalprofile:rangeofenvironmentalconditionsunderwhichequipmentwithinthescopeofthepresentdocumentisrequiredtocomplywiththeprovisionsofthepresentdocument.ExternallyMountedEquipment(EME):EMEconsistsofthoseofthemodulesoftheInstallableEquipment(IE)whichareintendedtobemountedexternallytothevehicleasstatedbytheapplicant.InstallableEquipment(IE):equipmentwhichisintendedtobefittedtoavehicle.AnIEmayconsistofoneorseveralinterconnectedmodules.InternallyMountedEquipment(IME):thoseofthemodulesoftheIEwhicharenotdeclaredbytheapplicantasEMEaredefinedasIME.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)11nominatedbandwidth:bandwidthoftheLMESradiofrequencytransmissionisnominatedbytheapplicant.Thenominatedbandwidthiswideenoughtoencompassallspectralelementsofthetransmissionwhichhavealevelgreaterthanthespecifiedunwantedemissionslimits.Thenominatedbandwidthiswideenoughtotakeaccountofthetransmitcarrierfrequencystability.ThenominatedbandwidthiswithinthetransmitfrequencybandwithinwhichtheLMESoperates.PortableEquipment(PE):PEisgenerallyintendedtobeself-contained,freestandingandportable.Normally,aPEwouldconsistofasinglemodule,butmayconsistofseveralinterconnectedmodules.unwantedemissions:unwantedemissionsarethosefallingoutsidethenominatedbandwidth.3.2AbbreviationsForthepurposeofthepresentdocument,thefollowingabbreviationsapply:CCControlChannelCMFControlandMonitoringFunctionsEIRPEquivalentIsotropicallyRadiatedPowerEMEExternallyMountedEquipmentENEuropeanStandardEUTEquipmentUnderTestIEInstallableEquipmentIMEInternallyMountedEquipmentLMESLandMobileEarthStationNCFNetworkControlFacilityPEPortableEquipmentR&TTERadioandTelecommunicationsTerminalEquipmentRFRadioFrequencyrmsrootmeansquareSTESpecialTestEquipment4Technicalrequirementspecifications4.1EnvironmentalprofileThetechnicalrequirementsofthepresentdocumentapplyundertheenvironmentalprofileforoperationoftheequipment,whichshallbedeclaredbytheapplicant.Theequipmentshallcomplywithallthetechnicalrequirementsofthepresentdocumentatalltimeswhenoperatingwithintheboundarylimitsofthedeclaredoperationalenvironmentalprofile.Theenvironmentalprofileforoperationoftheequipmentshallincludetherangesofhumidity,temperatureandsupplyvoltage.4.2Conformancerequirements4.2.1Unwantedemissionsoutsidetheband4.2.1.1JustificationProtectionofterrestrialandsatelliteservicesfromemissionscausedbyLMESoutsidetheband14,00GHzto14,25GHz.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)124.2.1.2SpecificationTheunwantedemissionsinthemeasurementbandwidthandinalldirectionsfromtheLMESoutsidetheband14,00GHzto14,25GHz,withinwhichtheLMESisdesignedtooperate,shallbebelowthefollowinglimits:1)TheLMESshallnotexceedthelimitsforradiatedinterferencefieldstrengthoverthefrequencyrangefrom30MHzto1000MHzspecifiedintable1.Table1:Limitsofunwantedemissionsupto1000MHzatameasuringdistanceof10mina120kHzbandwidthFrequency(MHz)Quasi-peaklimits(dBµV/m)30to23030230to100037Thelowerlimitshallapplyatthetransitionfrequency.2)TheunwantedemissionsEquivalentIsotropicallyRadiatedPower(EIRP)above1000MHz,inthemeasurementbandwidthandinalldirectionsshallnotexceedthelimitsgivenintable2.Table2:Limitsofunwantedemissionsabove1000MHzandoutsidetheband14,00GHzto14,25GHzFrequencyrangeCarrier-onCarrier-off(MHz)EIRPlimit(dBpW)Measurementbandwidth(kHz)EIRPlimit(dBpW)Measurementbandwidth(kHz)1000to152549100481001525to1559491001731559to340049100481003400to10700551004810010700to21200611005410021200to400006710060100Thelowerlimitsshallapplyatthetransitionfrequencies.4.2.1.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.2.4.2.2Unwantedemissionswithintheband4.2.2.1JustificationProtectionoftheprimaryservicesoperatinginthe14,00GHzto14,25GHzfrequencyband.4.2.2.2SpecificationSpecification1:Carrier-onstateTheEIRPspectraldensityoftheunwantedemissionsshallnotexceed4-10logNdBW/100kHzinthe14,00GHzto14,25GHzbandandoutsidethenominatedbandwidth.NisthemaximumnumberofLMESwhichareexpectedtotransmitsimultaneouslyonthesamefrequency.Thisnumbershallnotbeexceededformorethan0,01%ofthetime.ThevalueofNandtheoperationalconditionsofthesystemshallbedeclaredbytheapplicant.Specification2:Carrier-offstateTheEIRPspectraldensityofanyemissioninthe14,00GHzto14,25GHzbandshallnotexceed-21dBW/100kHz.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)134.2.2.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.3.4.2.3Off-axisEIRPemissionsdensityinthenominatedbandwidth4.2.3.1JustificationProtectionofothersatellitesystemswhichusethesamefrequencyband.4.2.3.2SpecificationFordirectionalantennasthemaximumEIRPinany40kHzbandfromanyLMESinanydirectionφdegreesfromtheantennamainbeamaxisshallnotexceedthefollowinglimitswithin3°ofthegeostationaryorbit:33-25log(φ+δφ)-10log(K)dBW/40kHzwhere2,5°≤φ+δφ≤7,0°;+12-10log(K)dBW/40kHzwhere7,0°<φ+δφ≤9,2°;36-25log(φ+δφ)-10log(K)dBW/40kHzwhere9,2°<φ+δφ≤48°;-6-10log(K)dBW/40kHzwhere48°<φ+δφ≤180°;whereφistheangle,indegrees,betweenthemainbeamaxisandthedirectionconsidered.Thevalueofδφisequaltoeither:a)thermsantennatrackingaccuracy;orb)twicethestaticrmsantennapointingaccuracy;whicheveristhelarger.KisthepowerdensityratiobetweenthefullyloadedsystemandasingleLMESmeasuredina40kHzbandwidth.ThevalueofK,alltechnicalcharacteristicsandtheoperationalconditionsdeclaredbytheapplicantshallbeenteredinthetestreport.TheselimitsapplyoverEurope,andforthegeostationaryorbitalarcdeclaredbytheapplicant.Fornon-directionalantennas,themaximumEIRPper40kHzinanydirectionshallnotexceed:-6-10log(K)dBW/40kHz;whereKisasdefinedabove.4.2.3.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.4.4.2.4ControlandMonitoringFunctions(CMF)ThefollowingminimumsetofCMFshallbeimplementedinLMESinordertominimizetheprobabilitythattheymayoriginateunwantedtransmissionsthatmaygiverisetoharmfulinterferencetoothersystems.UnderanyfaultconditionwhentheLMEStransmissionsarebeingsuppressedthelimitsforcarrier-offstateshallapply.4.2.4.1Processormonitoring4.2.4.1.1JustificationToensurethattheLMEScansuppresstransmissionsintheeventofaprocessorsub-systemfailure.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)144.2.4.1.2SpecificationTheLMESshallincorporateaprocessormonitoringfunctionforeachofitsprocessorsinvolvedinthemanipulationoftrafficandincontrolandmonitoringfunctions.Theprocessormonitoringfunctionshalldetectanyfailureoftheprocessorhardwareandsoftware.Nolaterthanonesecondafteranyfaultconditionoccurs,theLMESshallenterthecarrier-offstateuntiltheprocessormonitoringfunctionhasdeterminedthatallfaultconditionshavebeencleared.4.2.4.1.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.2Transmitsubsystemmonitoring4.2.4.2.1JustificationToensurethecorrectoperationofthetransmitfrequencygenerationsub-system,andtoinhibittransmissionsshouldthesub-systemfail.4.2.4.2.2SpecificationTheLMESshallmonitortheoperationofitstransmitfrequencygenerationsub-system.Nolaterthan5secondsafteranyfaultconditionofthetransmitfrequencygenerationsub-systemoccurs,theLMESshallenterthecarrier-offstateuntilthetransmitsub-systemmonitoringfunctionhasdeterminedthatallfaultconditionshavebeencleared.4.2.4.2.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.3Power-on/Reset4.2.4.3.1JustificationTodemonstratethattheLMESachievesacontrollednon-transmittingstatefollowingthepoweringoftheunitortheoccurrenceofaresetmadebyalocaloperatorwhenthisfunctionisimplemented.4.2.4.3.2SpecificationDuringandfollowing"poweron"oramanualresetwhenthisfunctionisimplemented,theLMESshallremaininthecarrier-offstate.4.2.4.3.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.4ControlChannel(CC)reception4.2.4.4.1JustificationToensurethattheLMEScannottransmitunlessitcorrectlyreceivestheCCmessagesfromtheNCF.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)154.2.4.4.2Specificationa)WithoutcorrectreceptionoftheCCmessagesfromtheNCF,theLMESshallremaininthecarrier-offstate.b)TheLMESshallenterthecarrier-offstateimmediatelyafteraperiodnotexceeding30secondswithoutcorrectreceptionoftheCCmessagesfromtheNCF.4.2.4.4.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.5Networkcontrolcommands4.2.4.5.1JustificationTheserequirementsensurethattheLMESiscapableof:a)retainingauniqueidentificationinthenetworkandtransmittingituponreceptionofanappropriaterequest;b)receivingcommandsfromtheNCFthroughitsCCandexecutingthosecommands.4.2.4.5.2SpecificationTheLMESshallhold,innon-volatilememory,itsuniqueidentificationcodeinthenetwork.TheLMESshallbecapableofreceivingthroughitsCCdedicatedcommands(addressedtotheLMES)fromtheNCF,andwhichcontain:-transmissionenablecommands;-transmissiondisablecommands;-identificationrequest.OnceatransmissionenablecommandisreceivedtheLMESisauthorizedtotransmit.Afterpower-onorresettheLMESshallremaininthecarrier-offstateuntilitreceivesatransmissionenablecommand.Forsystemswherenotransmissionenablecommandisexpectedafterpower-onorresettheLMESmayonlytransmitinitialbursts(seesubclause4.2.4.6).Onceatransmissiondisablecommandisreceived,within1secondtheLMESshallenterandshallremaininthecarrier-offstateuntilthetransmissiondisablecommandissupersededbyasubsequenttransmissionenablecommand.TheLMESshallbecapableoftransmittingitsidentificationcodeuponreceptionofanidentificationrequest.4.2.4.5.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.6Initialbursttransmission4.2.4.6.1JustificationTolimitdisturbancetootherservices.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)164.2.4.6.2SpecificationForsystemswherenotransmissionenablecommandisexpectedafterpower-onorresettheLMESmaytransmitinitialbursts:a)thetransmissionoftheinitialburstshallnotexceed1%ofthetime;b)eachburstshallnotlastmorethanonesecond.4.2.4.6.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.8.5Testingforcompliancewithtechnicalrequirements5.1EnvironmentalconditionsfortestingTestsdefinedinthepresentdocumentshallbecarriedoutatrepresentativepointswithintheboundarylimitsofthedeclaredoperationalenvironmentalprofile.5.2EssentialradiotestsuitesTheessentialradiotestsuitesforaLMESaregiveninsubclause6.6Testmethods6.1GeneralThevaluesofmeasurementuncertaintyassociatedwitheachmeasurementparameterapplytoallofthetestcasesdescribedinthepresentdocument.Themeasurementuncertaintiesshallnotexceedthevaluesshownintable3.Table3:MeasurementuncertaintyMeasurementparameterUncertaintyRFfrequency±10kHzRFpower±0,75dBConductedspurious±4dBAntennagain±2dBRadiatedspurious±6dBToenabletheperformanceteststobecarriedouttheuseofSpecialTestEquipment(STE),madeavailablebytheapplicant,maybenecessary.Sincethistestequipmentwillbespecificfortheparticularsystem,itisnotpossibletoprovidedetailedspecificationsinthepresentdocument.However,thefollowingbaselineisprovided:-iftheLMESrequirestoreceiveamodulatedcarrierfromthesatelliteinordertotransmit,thenspecialtestarrangementsarerequiredtosimulatethesatellitesignal,thusenablingtheLMEStotransmitallowingmeasurementoftransmissionparameters;-anycharacteristicofthesespecialtestarrangementswhichmayhavedirectorindirecteffectsontheparameterstobemeasuredshallbeclearlystatedbytheapplicant.Alltestswithcarrier-onshallbeundertakenwiththetransmitteroperatingatfullpowerandwiththemaximumtransmitburstratewhereapplicable.Alltechnicalcharacteristicsandoperationalconditionsdeclaredbytheapplicantshallbeenteredinthetestreport.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)176.2Unwantedemissionsoutsidetheband14,00GHzto14,25GHz6.2.1GeneralForpurposeofthetest,theEquipmentUnderTest(EUT)comprises:a)forIE:-theEME;-theIME;-interconnectingcablesbetweenIMEandEMEunitsassuppliedbytheapplicant;-thenecessarypowersupplycablesandanyothercableensuringaproperfunctioningoftheterminal.b)forPE:-forasinglemodulePE,themoduleitselfwithanydeployablepartsintheirnormaloperatingconfiguration;-foramultiplemodulePE,allsuchmoduleswithallnecessaryinterconnectingcablesoflengthsasnormallysuppliedbytheapplicant;againanydeployablepartsshouldbeintheirnormaloperatingconfiguration.Formeasurementsupto1000MHzthedistancebetweentheEUTandthemeasuringantennashallbe10m.Formeasurementsabove1000MHzthedistancebetweentheEUTorthesubstitutionantennaandthemeasuringantennashallbesuchthattheradiatingnear-fieldofeachantennashallnotoverlapwiththatoftheother.Thelargerradiatingnear-fieldoftheEUTandsubstitutionantennashallbeusedtodeterminetheminimumdistancebetweentheEUTandmeasuringantennainthefirstinstance.Theupperandlowerextremesofthetuningrangeshallbestatedbytheapplicant.6.2.2TestsiteThetestshallbeperformedeitherinanopenareatestsite,asemi-anechoicchamberorananechoicchamber.Ambientnoiselevelsshallbeatleast6dBbelowtheapplicableunwantedemissionslimit.Anopenareatestsiteshallbeflat,freeofoverheadwiresandnearbyreflectingstructures,sufficientlylargetopermitaerialplacementatthespecifiedmeasuringdistanceandprovideadequateseparationbetweenaerial,testunitandreflectingstructures.Ametalgroundplaneshallbeinsertedonthenaturalgroundplaneanditshallextendatleast1mbeyondtheperimeteroftheEUTatoneendandatleast1mbeyondthemeasurementantennaattheotherend.6.2.3TestmethodForIE,theEUTshallbeinstalledwithaseparationofabout0,5mbetweentheIMEandtheEME,themaximumlengthconnectioncablespecifiedbytheapplicantshallbeinstalled.Theheightofthecableshallbebetween0,5mand1m.Thecableshallbemaintainedinthatpositionbynon-metallicmeans.TheEMEshallbeset,initsnormaloperatingconfigurationonanon-metallictableataheightbetween0,5mand1m.TheIMEshallbesetonanon-metallictableataheightof0,8mfortestsupto1000MHzandbetween0,5mand1mfortestsabove1000MHz.Anyassociatedequipment,e.g.portablecomputerordataterminalifrequiredforoperationoftheLMES,shallbeplacednextto,andatthesameheightas,theIME.ForPE,theequipmentshallbearrangedinitsnormaloperatingconfigurationasrecommendedbytheapplicantonanon-metallictableataheightbetween0,5mand1m.TheEUTshallbeterminatedwithmatchedimpedancesattheterrestrialportsifrecommendedbytheapplicantintheuserdocumentationandifthereisnoassociatedequipmentconnectedtosuchports.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)18Forfrequenciesupto80MHz,themeasuringantennashallbeabalanceddipolewhichhasalengthequaltothe80MHzresonantlengthandshallbematchedtothefeederbyasuitabletransformingdevice.MeasurementswithbroadbandantennasisalsopossibleprovidedthatthetestsitehasbeencalibratedaccordingtotherequirementsofCISPR16-1[2].Forfrequenciesbetween80MHzand1000MHz,themeasuringantennashallbeabalanceddipolewhichshallberesonantinlength.MeasurementswithbroadbandantennasisalsopossibleprovidedthatthetestsitehasbeencalibratedaccordingtotherequirementsofCISPR16-1[2].Forfrequenciesabove1000MHz,theantennashallbeahornradiatorofknowngain/frequencycharacteristics.Whenusedforreception,theantennaandanyassociatedamplificationsystemshallhaveanamplitude/frequencyresponsewithin±2dBofthecombinedcalibrationcurvesacrossthemeasurementfrequencyrangeconsideredfortheantenna.Theantennaismountedonasupportcapableofallowingtheantennatobeusedineitherhorizontalorverticalpolarizationandatthespecifiedheight.Fortestsupto1000MHz,thereceivetestequipmentshallbeameasuringreceiver.Fortestsabove1000MHz,thereceivetestequipmentshallbeaspectrumanalyser.6.2.3.1Receivetestequipment6.2.3.1.1Measuringreceiverformeasurementsupto1000MHzMeasuringreceiversshallconformtothefollowingcharacteristics:-theresponsetoaconstantamplitudesinewavesignalshallremainwithin±1dBacrossthefrequencyrangeofinterest;-quasi-peakdetectionshallbeusedina-6dBbandwidthof120kHz;-thereceivershallbeoperatedatmorethan1dBbelowthecompressionpointduringtests/measurements.6.2.3.1.2Spectrumanalyserformeasurementsabove1000MHzThespectrumanalyserresolutionbandwidthshallbesettothespecifiedmeasuringbandwidthorascloseaspossible.Iftheresolutionbandwidthisdifferentfromthespecifiedmeasuringbandwidth,bandwidthcorrectionsha
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Satellite Earth Stations and Systems (SES); Harmonized EN for Low data rate Land Mobile satellite Earth Stations (LMES) operating in the 11/12/14 GHz frequency bands covering essential requirements under article 3.2 of the R&TTE directive33.070.40SatelitSatelliteICS:Ta slovenski standard je istoveten z:EN 301 427 Version 1.1.1SIST EN 301 427:2001en01-september-2001SIST EN 301 427:2001SLOVENSKI
STANDARD
ETSIEN301427V1.1.1(2000-05)CandidateHarmonizedEuropeanStandard(Telecommunicationsseries)SatelliteEarthStationsandSystems(SES);HarmonizedENforLowdatarateLandMobilesatelliteEarthStations(LMES)operatinginthe11/12/14GHzfrequencybandscoveringessentialrequirementsunderarticle3.2oftheR&TTEdirectiveSIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)2ReferenceDEN/SES-000-TBR27Keywordssatellite,earthstation,LMES,regulationETSI650RoutedesLuciolesF-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 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)3ContentsIntellectualPropertyRights.6Foreword.6Introduction.71Scope.92References.103Definitionsandabbreviations.103.1Definitions.103.2Abbreviations.114Technicalrequirementspecifications.114.1Environmentalprofile.114.2Conformancerequirements.114.2.1Unwantedemissionsoutsidetheband.114.2.1.1Justification.114.2.1.2Specification.124.2.1.3Conformancetests.124.2.2Unwantedemissionswithintheband.124.2.2.1Justification.124.2.2.2Specification.124.2.2.3Conformancetests.134.2.3Off-axisEIRPemissionsdensityinthenominatedbandwidth.134.2.3.1Justification.134.2.3.2Specification.134.2.3.3Conformancetests.134.2.4ControlandMonitoringFunctions(CMF).134.2.4.1Processormonitoring.134.2.4.1.1Justification.134.2.4.1.2Specification.144.2.4.1.3Conformancetests.144.2.4.2Transmitsubsystemmonitoring.144.2.4.2.1Justification.144.2.4.2.2Specification.144.2.4.2.3Conformancetests.144.2.4.3Power-on/Reset.144.2.4.3.1Justification.144.2.4.3.2Specification.144.2.4.3.3Conformancetests.144.2.4.4ControlChannel(CC)reception.144.2.4.4.1Justification.144.2.4.4.2Specification.154.2.4.4.3Conformancetests.154.2.4.5Networkcontrolcommands.154.2.4.5.1Justification.154.2.4.5.2Specification.154.2.4.5.3Conformancetests.154.2.4.6Initialbursttransmission.154.2.4.6.1Justification.154.2.4.6.2Specification.164.2.4.6.3Conformancetests.165Testingforcompliancewithtechnicalrequirements.165.1Environmentalconditionsfortesting.165.2Essentialradiotestsuites.16SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)46Testmethods.166.1General.166.2Unwantedemissionsoutsidetheband14,00GHzto14,25GHz.176.2.1General.176.2.2Testsite.176.2.3Testmethod.176.2.3.1Receivetestequipment.186.2.3.1.1Measuringreceiverformeasurementsupto1000MHz.186.2.3.1.2Spectrumanalyserformeasurementsabove1000MHz.186.2.4Procedure.186.2.4.1Testarrangements.186.2.4.2Upto1000MHz.196.2.4.3Above1000MHz.206.2.4.3.1Identificationofthesignificantfrequenciesoftheradiatedunwantedemissions.206.2.4.3.2Measurementofradiatedpowerlevelsofidentifiedspuriousradiation.216.2.4.3.3Measurementofconductedunwantedemissionsattheantennaflange.226.2.4.3.3.1Testsite.226.2.4.3.3.2Procedure.226.3Unwantedemissionswithintheband14,00GHzto14,25GHz.226.3.1Testmethod.226.3.1.1General.236.3.1.2Methodofmeasurementattheantennaflange.236.3.1.3Methodofmeasurementwithatestantenna.246.4Off-axisEIRPemissionsdensityinthenominatedbandwidth.256.4.1General.256.4.2Staticrmsantennapointingaccuracy.256.4.2.1Methodofmeasurement.256.4.3Measurementoftheoff-axisEIRPwithouttheantenna.266.4.3.1Transmitteroutputpowerdensity.266.4.3.1.1Methodofmeasurement.266.4.3.2Antennatransmitgain.276.4.3.2.1General.276.4.3.2.2Testsite.276.4.3.2.3Methodofmeasurement.276.4.3.3Antennatransmitradiationpatterns.286.4.3.3.1General.286.3.3.3.2Testsite.286.3.3.3.3Methodofmeasurement.296.4.3.4Computationofresults.296.4.4Measurementoftheoff-axisEIRPwiththeantenna.306.4.4.1General.306.4.4.2MaximumEIRPdensityper40kHzratiorelativetotheEIRP.306.4.4.2.1Methodofmeasurement.306.4.4.3Maximumon-axisEIRP.306.4.4.3.1General.306.4.4.3.2Testsite.306.4.4.3.3Methodofmeasurement.316.4.4.4Antennatransmitradiationpatterns.326.4.4.4.1General.326.4.4.4.2Testsite.326.4.4.4.3Methodofmeasurement.326.4.4.5Computationofresults.336.5Controlandmonitoring.336.5.1General.336.5.2Testarrangement.346.5.3Processormonitoring.356.5.3.1Testmethod.356.5.4Transmitsubsystemmonitoring.356.5.4.1Testmethod.356.5.5Power-on/Reset.35SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)56.5.5.1Testmethod.356.5.6ControlChannel(CC)reception.366.5.6.1Testmethod.366.5.7Networkcontrolcommands.376.5.7.1Testmethod.376.5.8Initialbursttransmission.386.5.8.1Testmethod.38AnnexA(normative):TheENRequirementsTable(EN-RT).39Bibliography.40History.41SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)6IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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.ForewordThisCandidateHarmonizedEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeSatelliteEarthStationsandSystems(SES).ThepresentdocumenthasbeenproducedbyETSIinresponsetoamandatefromtheEuropeanCommissionissuedunderCouncilDirective98/34/EC[3](asamended)layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.ThepresentdocumentisintendedtobecomeaHarmonizedStandard,thereferenceofwhichwillbepublishedintheOfficialJournaloftheEuropeanCommunitiesreferencingtheDirective1999/5/EC[1]oftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity("theR&TTEDirective").NationaltranspositiondatesDateofadoptionofthisEN:28April2000DateoflatestannouncementofthisEN(doa):31July2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2001DateofwithdrawalofanyconflictingNationalStandard(dow):31January2001SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)7IntroductionETSIhasdesignedamodularstructureforthestandards.Eachstandardisamoduleinthestructure.Themodularstructureisshowninfigure1.NewstandardforHealthforradio(ifneeded)Useofspectrum*IfneededScopedbyequipmentclassortypeScopedbyfrequencyand/orequipmenttypeDisability*Privacy*Fraud*Noharmtothenetwork*Emergency*Inter-workingviathenetwork*Inter-workingwiththenetworkNon-radioRadio(RE)Non-TTETTE3.1b3.23.3c3.3b3.3a3.3d3.3e3.3fRadioProductEMCExistingEMCstandardstobereplacedbyanewsinglemulti-partstandardGenericandbasestandardsalsonotifiedunderEMCDirectiveStandardsalsonotifiedunderLVDDirective(inclacousticsafetyifneeded)3.1aNewradioharmonisedstandardsSpectrumEMCSafetyFigure1:ModularstructureforthevariousstandardsusedundertheR&TTEDirectiveThelefthandedgeofthefigureshowsthedifferentsubclausesofArticle3oftheDirective.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)8Forarticle3.3varioushorizontalboxesareshown.TheirdottedlinesindicatethatnoessentialrequirementsintheseareashaveyetbeenadoptedbytheCommission.Ifsuchessentialrequirementsareadopted,theywillbeelaboratedinindividualstandardswhosescopeislikelytobespecifiedbyfunctionorinterfacetype.Theverticalboxesshowthestandardsunderarticle3.2fortheuseoftheradiospectrum.Thescopesofthesestandardsarespecifiedeitherbyfrequency(normallyinthecasewherefrequencybandsareharmonized)orbyradioequipmenttype.Forarticle3.1(b),thediagramshowsthenewsinglemulti-partproductEMCstandardforradio,andtheexistingcollectionofgenericandbasestandardscurrentlyusedundertheEMCDirective.Thepartsofthisnewstandardwillbecomeavailableinthesecondhalfof2000,andtheexistingseparateEMCstandardswillbeuseduntilitisavailable.Forarticle3.1(a)thediagramshowstheexistingsafetystandardscurrentlyusedundertheLVDDirectiveandthepossibilityofanewstandardonhealthrelatingtoradioemissionsThebottomofthefigureshowstherelationshipofthestandardstoradioequipmentandtelecommunicationsterminalequipment.Aparticularequipmentmayberadioequipment,telecommunicationsterminalequipmentorboth.Themodularapproachhasbeentakenbecause:-itminimizesthenumberofstandardsneeded.Becauseequipmentmayhavemultipleinterfacesandfunctionsitisnotpracticabletoproduceasinglestandardforeachpossiblecombinationoffunctionsthatmayoccurinanequipment;-itprovidesscopeforstandardstobeadded:-underarticle3.2whennewfrequencybandsareagreed;or-underarticle3.3shouldtheCommissiontakethenecessarydecisions;withoutrequiringalterationofstandardsthatarealreadypublished.ThepresentdocumentisbasedonTBR027[4].Therequirementshavebeenselectedtoensureanadequatelevelofcompatibilitywithotherradioservices.Thelevels,however,donotcoverextremecaseswhichmayoccurinanylocationbutwithalowprobabilityofoccurrence.Thepresentdocumentmaynotcoverthosecaseswhereapotentialsourceofinterferencewhichisproducingindividuallyrepeatedtransientphenomenaoracontinuousphenomenonispresent,e.g.aradarorbroadcastsiteinthenearvicinity.Insuchacaseitmaybenecessarytousespecialprotectionappliedtoeitherthesourceofinterference,ortheinterferedpartorboth.Thepresentdocumentdoesnotcontainanyrequirement,recommendationorinformationabouttheinstallationoftheLMES.Thedeterminationoftheparametersoftheuserearthstationsusingagivengeo-stationarysatellitefortheprotectionsofthespectrumallocatedtothatsatellite,isconsideredtobeundertheresponsibilityofthesatelliteoperatororthesatellitenetworkoperators.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)91ScopeThepresentdocumentappliestoLandMobileEarthStations(LMESs)whichhavethefollowingcharacteristics:-theLMESareoperatinginoneormorefrequencyrangesoftheFixedSatelliteService(FSS):-10,70GHzto11,70GHz(spacetoearth);-12,50GHzto12,75GHz(spacetoearth);-14,00GHzto14,25GHz(earthtospace).BecausethetransmissionsfromtheLMEStotheSatelliteinthe14,00GHzto14,25GHzbandfallunderasecondaryallocation,thetransmissionsshouldnotcauseharmfulinterferencetoprimaryservices(e.g.theFixedSatelliteService(FSS))andatthesametimecannotclaimprotectionfromharmfulinterferencefromthoseservices.-theLMEScouldbeeithervehiclemountedorportableequipment;-theLMEScouldconsistofanumberofmodulesincludingakeyboardinterfacetotheuser;-theLMESuselinearpolarization;-theLMESoperatethroughageostationarysatelliteatleast3°awayfromanyothergeostationarysatelliteoperatinginthesamefrequencybandandcoveringthesamearea;-theantennaoftheLMESmaybeomnidirectionalordirectionalwithameansoftrackingthesatellite;-theLMESareoperatingaspartofasatellitenetworkusedforthedistributionand/orexchangeofinformationbetweenusers;-theLMESarecontrolledandmonitoredbyaNetworkControlFacility(NCF).TheNCFisoutsidethescopeofthepresentdocument.ThepresentdocumentappliestotheLMESwithitsancillaryequipmentanditsvariousterrestrialports,andwhenoperatedwithintheboundarylimitsoftheoperationalenvironmentalprofiledeclaredbytheapplicant.ThepresentdocumentisintendedtocovertheprovisionsofDirective1999/5/EC[1](R&TTEDirective)[1]Article3.2,whichstatesthat"…radioequipmentshallbesoconstructedthatiteffectivelyusesthespectrumallocatedtoterrestrial/spaceradiocommunicationsandorbitalresourcessoastoavoidharmfulinterference.".Inadditiontothepresentdocument,otherENsthatspecifiestechnicalrequirementsinrespectofessentialrequirementsunderotherpartsofArticle3oftheR&TTEDirective[1]mayapplytoequipmentwithinthescopeofthepresentdocument.NOTE:AlistofsuchENsisincludedontheETSIwebsite.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)102ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsequipmentandthemutualrecognitionoftheirconformity.[2]CISPR16-1:"Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods-Part1:Radiodisturbanceandimmunitymeasuringapparatus"(annexG:Validationoftheopenareatestsiteforthefrequencyrangeof30MHzto1000MHz).[3]Directive98/34/ECoftheEuropeanParliamentandoftheCouncilof22June1998layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.[4]TBR027:"SatelliteEarthStationsandSystems(SES);LowdatarateLandMobilesatelliteEarthStations(LMES)operatinginthe11/12/14GHzfrequencybands".3Definitionsandabbreviations3.1DefinitionsForthepurposeofthepresentdocument,thetermsanddefinitionsgivenintheR&TTEDirective[1],andthefollowingtermsanddefinitionsapply.applicant:manufacturerorhisauthorizedrepresentativewithintheEuropeanCommunityorthepersonresponsibleforplacingtheapparatusonthemarket.carrier-offstate:LMESisinthisstatewheneitheritisauthorizedbytheNetworkControlFacility(NCF)totransmitbutwhenitdoesnottransmitanysignal,orwhenitisnotauthorizedbytheNCFtotransmit.carrier-onstate:LMESisinthisstatewhenitisauthorizedbytheNCFtotransmitandwhenittransmitsasignal.ControlChannel(CC):channelorchannelsbywhichLMESreceivecontrolinformationfromtheNCFoftheirnetwork.Environmentalprofile:rangeofenvironmentalconditionsunderwhichequipmentwithinthescopeofthepresentdocumentisrequiredtocomplywiththeprovisionsofthepresentdocument.ExternallyMountedEquipment(EME):EMEconsistsofthoseofthemodulesoftheInstallableEquipment(IE)whichareintendedtobemountedexternallytothevehicleasstatedbytheapplicant.InstallableEquipment(IE):equipmentwhichisintendedtobefittedtoavehicle.AnIEmayconsistofoneorseveralinterconnectedmodules.InternallyMountedEquipment(IME):thoseofthemodulesoftheIEwhicharenotdeclaredbytheapplicantasEMEaredefinedasIME.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)11nominatedbandwidth:bandwidthoftheLMESradiofrequencytransmissionisnominatedbytheapplicant.Thenominatedbandwidthiswideenoughtoencompassallspectralelementsofthetransmissionwhichhavealevelgreaterthanthespecifiedunwantedemissionslimits.Thenominatedbandwidthiswideenoughtotakeaccountofthetransmitcarrierfrequencystability.ThenominatedbandwidthiswithinthetransmitfrequencybandwithinwhichtheLMESoperates.PortableEquipment(PE):PEisgenerallyintendedtobeself-contained,freestandingandportable.Normally,aPEwouldconsistofasinglemodule,butmayconsistofseveralinterconnectedmodules.unwantedemissions:unwantedemissionsarethosefallingoutsidethenominatedbandwidth.3.2AbbreviationsForthepurposeofthepresentdocument,thefollowingabbreviationsapply:CCControlChannelCMFControlandMonitoringFunctionsEIRPEquivalentIsotropicallyRadiatedPowerEMEExternallyMountedEquipmentENEuropeanStandardEUTEquipmentUnderTestIEInstallableEquipmentIMEInternallyMountedEquipmentLMESLandMobileEarthStationNCFNetworkControlFacilityPEPortableEquipmentR&TTERadioandTelecommunicationsTerminalEquipmentRFRadioFrequencyrmsrootmeansquareSTESpecialTestEquipment4Technicalrequirementspecifications4.1EnvironmentalprofileThetechnicalrequirementsofthepresentdocumentapplyundertheenvironmentalprofileforoperationoftheequipment,whichshallbedeclaredbytheapplicant.Theequipmentshallcomplywithallthetechnicalrequirementsofthepresentdocumentatalltimeswhenoperatingwithintheboundarylimitsofthedeclaredoperationalenvironmentalprofile.Theenvironmentalprofileforoperationoftheequipmentshallincludetherangesofhumidity,temperatureandsupplyvoltage.4.2Conformancerequirements4.2.1Unwantedemissionsoutsidetheband4.2.1.1JustificationProtectionofterrestrialandsatelliteservicesfromemissionscausedbyLMESoutsidetheband14,00GHzto14,25GHz.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)124.2.1.2SpecificationTheunwantedemissionsinthemeasurementbandwidthandinalldirectionsfromtheLMESoutsidetheband14,00GHzto14,25GHz,withinwhichtheLMESisdesignedtooperate,shallbebelowthefollowinglimits:1)TheLMESshallnotexceedthelimitsforradiatedinterferencefieldstrengthoverthefrequencyrangefrom30MHzto1000MHzspecifiedintable1.Table1:Limitsofunwantedemissionsupto1000MHzatameasuringdistanceof10mina120kHzbandwidthFrequency(MHz)Quasi-peaklimits(dBµV/m)30to23030230to100037Thelowerlimitshallapplyatthetransitionfrequency.2)TheunwantedemissionsEquivalentIsotropicallyRadiatedPower(EIRP)above1000MHz,inthemeasurementbandwidthandinalldirectionsshallnotexceedthelimitsgivenintable2.Table2:Limitsofunwantedemissionsabove1000MHzandoutsidetheband14,00GHzto14,25GHzFrequencyrangeCarrier-onCarrier-off(MHz)EIRPlimit(dBpW)Measurementbandwidth(kHz)EIRPlimit(dBpW)Measurementbandwidth(kHz)1000to152549100481001525to1559491001731559to340049100481003400to10700551004810010700to21200611005410021200to400006710060100Thelowerlimitsshallapplyatthetransitionfrequencies.4.2.1.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.2.4.2.2Unwantedemissionswithintheband4.2.2.1JustificationProtectionoftheprimaryservicesoperatinginthe14,00GHzto14,25GHzfrequencyband.4.2.2.2SpecificationSpecification1:Carrier-onstateTheEIRPspectraldensityoftheunwantedemissionsshallnotexceed4-10logNdBW/100kHzinthe14,00GHzto14,25GHzbandandoutsidethenominatedbandwidth.NisthemaximumnumberofLMESwhichareexpectedtotransmitsimultaneouslyonthesamefrequency.Thisnumbershallnotbeexceededformorethan0,01%ofthetime.ThevalueofNandtheoperationalconditionsofthesystemshallbedeclaredbytheapplicant.Specification2:Carrier-offstateTheEIRPspectraldensityofanyemissioninthe14,00GHzto14,25GHzbandshallnotexceed-21dBW/100kHz.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)134.2.2.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.3.4.2.3Off-axisEIRPemissionsdensityinthenominatedbandwidth4.2.3.1JustificationProtectionofothersatellitesystemswhichusethesamefrequencyband.4.2.3.2SpecificationFordirectionalantennasthemaximumEIRPinany40kHzbandfromanyLMESinanydirectionφdegreesfromtheantennamainbeamaxisshallnotexceedthefollowinglimitswithin3°ofthegeostationaryorbit:33-25log(φ+δφ)-10log(K)dBW/40kHzwhere2,5°≤φ+δφ≤7,0°;+12-10log(K)dBW/40kHzwhere7,0°<φ+δφ≤9,2°;36-25log(φ+δφ)-10log(K)dBW/40kHzwhere9,2°<φ+δφ≤48°;-6-10log(K)dBW/40kHzwhere48°<φ+δφ≤180°;whereφistheangle,indegrees,betweenthemainbeamaxisandthedirectionconsidered.Thevalueofδφisequaltoeither:a)thermsantennatrackingaccuracy;orb)twicethestaticrmsantennapointingaccuracy;whicheveristhelarger.KisthepowerdensityratiobetweenthefullyloadedsystemandasingleLMESmeasuredina40kHzbandwidth.ThevalueofK,alltechnicalcharacteristicsandtheoperationalconditionsdeclaredbytheapplicantshallbeenteredinthetestreport.TheselimitsapplyoverEurope,andforthegeostationaryorbitalarcdeclaredbytheapplicant.Fornon-directionalantennas,themaximumEIRPper40kHzinanydirectionshallnotexceed:-6-10log(K)dBW/40kHz;whereKisasdefinedabove.4.2.3.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.4.4.2.4ControlandMonitoringFunctions(CMF)ThefollowingminimumsetofCMFshallbeimplementedinLMESinordertominimizetheprobabilitythattheymayoriginateunwantedtransmissionsthatmaygiverisetoharmfulinterferencetoothersystems.UnderanyfaultconditionwhentheLMEStransmissionsarebeingsuppressedthelimitsforcarrier-offstateshallapply.4.2.4.1Processormonitoring4.2.4.1.1JustificationToensurethattheLMEScansuppresstransmissionsintheeventofaprocessorsub-systemfailure.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)144.2.4.1.2SpecificationTheLMESshallincorporateaprocessormonitoringfunctionforeachofitsprocessorsinvolvedinthemanipulationoftrafficandincontrolandmonitoringfunctions.Theprocessormonitoringfunctionshalldetectanyfailureoftheprocessorhardwareandsoftware.Nolaterthanonesecondafteranyfaultconditionoccurs,theLMESshallenterthecarrier-offstateuntiltheprocessormonitoringfunctionhasdeterminedthatallfaultconditionshavebeencleared.4.2.4.1.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.2Transmitsubsystemmonitoring4.2.4.2.1JustificationToensurethecorrectoperationofthetransmitfrequencygenerationsub-system,andtoinhibittransmissionsshouldthesub-systemfail.4.2.4.2.2SpecificationTheLMESshallmonitortheoperationofitstransmitfrequencygenerationsub-system.Nolaterthan5secondsafteranyfaultconditionofthetransmitfrequencygenerationsub-systemoccurs,theLMESshallenterthecarrier-offstateuntilthetransmitsub-systemmonitoringfunctionhasdeterminedthatallfaultconditionshavebeencleared.4.2.4.2.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.3Power-on/Reset4.2.4.3.1JustificationTodemonstratethattheLMESachievesacontrollednon-transmittingstatefollowingthepoweringoftheunitortheoccurrenceofaresetmadebyalocaloperatorwhenthisfunctionisimplemented.4.2.4.3.2SpecificationDuringandfollowing"poweron"oramanualresetwhenthisfunctionisimplemented,theLMESshallremaininthecarrier-offstate.4.2.4.3.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.4ControlChannel(CC)reception4.2.4.4.1JustificationToensurethattheLMEScannottransmitunlessitcorrectlyreceivestheCCmessagesfromtheNCF.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)154.2.4.4.2Specificationa)WithoutcorrectreceptionoftheCCmessagesfromtheNCF,theLMESshallremaininthecarrier-offstate.b)TheLMESshallenterthecarrier-offstateimmediatelyafteraperiodnotexceeding30secondswithoutcorrectreceptionoftheCCmessagesfromtheNCF.4.2.4.4.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.5Networkcontrolcommands4.2.4.5.1JustificationTheserequirementsensurethattheLMESiscapableof:a)retainingauniqueidentificationinthenetworkandtransmittingituponreceptionofanappropriaterequest;b)receivingcommandsfromtheNCFthroughitsCCandexecutingthosecommands.4.2.4.5.2SpecificationTheLMESshallhold,innon-volatilememory,itsuniqueidentificationcodeinthenetwork.TheLMESshallbecapableofreceivingthroughitsCCdedicatedcommands(addressedtotheLMES)fromtheNCF,andwhichcontain:-transmissionenablecommands;-transmissiondisablecommands;-identificationrequest.OnceatransmissionenablecommandisreceivedtheLMESisauthorizedtotransmit.Afterpower-onorresettheLMESshallremaininthecarrier-offstateuntilitreceivesatransmissionenablecommand.Forsystemswherenotransmissionenablecommandisexpectedafterpower-onorresettheLMESmayonlytransmitinitialbursts(seesubclause4.2.4.6).Onceatransmissiondisablecommandisreceived,within1secondtheLMESshallenterandshallremaininthecarrier-offstateuntilthetransmissiondisablecommandissupersededbyasubsequenttransmissionenablecommand.TheLMESshallbecapableoftransmittingitsidentificationcodeuponreceptionofanidentificationrequest.4.2.4.5.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.4.2.4.6Initialbursttransmission4.2.4.6.1JustificationTolimitdisturbancetootherservices.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)164.2.4.6.2SpecificationForsystemswherenotransmissionenablecommandisexpectedafterpower-onorresettheLMESmaytransmitinitialbursts:a)thetransmissionoftheinitialburstshallnotexceed1%ofthetime;b)eachburstshallnotlastmorethanonesecond.4.2.4.6.3ConformancetestsConformancetestsshallbecarriedoutinaccordancewithsubclause6.5.8.5Testingforcompliancewithtechnicalrequirements5.1EnvironmentalconditionsfortestingTestsdefinedinthepresentdocumentshallbecarriedoutatrepresentativepointswithintheboundarylimitsofthedeclaredoperationalenvironmentalprofile.5.2EssentialradiotestsuitesTheessentialradiotestsuitesforaLMESaregiveninsubclause6.6Testmethods6.1GeneralThevaluesofmeasurementuncertaintyassociatedwitheachmeasurementparameterapplytoallofthetestcasesdescribedinthepresentdocument.Themeasurementuncertaintiesshallnotexceedthevaluesshownintable3.Table3:MeasurementuncertaintyMeasurementparameterUncertaintyRFfrequency±10kHzRFpower±0,75dBConductedspurious±4dBAntennagain±2dBRadiatedspurious±6dBToenabletheperformanceteststobecarriedouttheuseofSpecialTestEquipment(STE),madeavailablebytheapplicant,maybenecessary.Sincethistestequipmentwillbespecificfortheparticularsystem,itisnotpossibletoprovidedetailedspecificationsinthepresentdocument.However,thefollowingbaselineisprovided:-iftheLMESrequirestoreceiveamodulatedcarrierfromthesatelliteinordertotransmit,thenspecialtestarrangementsarerequiredtosimulatethesatellitesignal,thusenablingtheLMEStotransmitallowingmeasurementoftransmissionparameters;-anycharacteristicofthesespecialtestarrangementswhichmayhavedirectorindirecteffectsontheparameterstobemeasuredshallbeclearlystatedbytheapplicant.Alltestswithcarrier-onshallbeundertakenwiththetransmitteroperatingatfullpowerandwiththemaximumtransmitburstratewhereapplicable.Alltechnicalcharacteristicsandoperationalconditionsdeclaredbytheapplicantshallbeenteredinthetestreport.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)176.2Unwantedemissionsoutsidetheband14,00GHzto14,25GHz6.2.1GeneralForpurposeofthetest,theEquipmentUnderTest(EUT)comprises:a)forIE:-theEME;-theIME;-interconnectingcablesbetweenIMEandEMEunitsassuppliedbytheapplicant;-thenecessarypowersupplycablesandanyothercableensuringaproperfunctioningoftheterminal.b)forPE:-forasinglemodulePE,themoduleitselfwithanydeployablepartsintheirnormaloperatingconfiguration;-foramultiplemodulePE,allsuchmoduleswithallnecessaryinterconnectingcablesoflengthsasnormallysuppliedbytheapplicant;againanydeployablepartsshouldbeintheirnormaloperatingconfiguration.Formeasurementsupto1000MHzthedistancebetweentheEUTandthemeasuringantennashallbe10m.Formeasurementsabove1000MHzthedistancebetweentheEUTorthesubstitutionantennaandthemeasuringantennashallbesuchthattheradiatingnear-fieldofeachantennashallnotoverlapwiththatoftheother.Thelargerradiatingnear-fieldoftheEUTandsubstitutionantennashallbeusedtodeterminetheminimumdistancebetweentheEUTandmeasuringantennainthefirstinstance.Theupperandlowerextremesofthetuningrangeshallbestatedbytheapplicant.6.2.2TestsiteThetestshallbeperformedeitherinanopenareatestsite,asemi-anechoicchamberorananechoicchamber.Ambientnoiselevelsshallbeatleast6dBbelowtheapplicableunwantedemissionslimit.Anopenareatestsiteshallbeflat,freeofoverheadwiresandnearbyreflectingstructures,sufficientlylargetopermitaerialplacementatthespecifiedmeasuringdistanceandprovideadequateseparationbetweenaerial,testunitandreflectingstructures.Ametalgroundplaneshallbeinsertedonthenaturalgroundplaneanditshallextendatleast1mbeyondtheperimeteroftheEUTatoneendandatleast1mbeyondthemeasurementantennaattheotherend.6.2.3TestmethodForIE,theEUTshallbeinstalledwithaseparationofabout0,5mbetweentheIMEandtheEME,themaximumlengthconnectioncablespecifiedbytheapplicantshallbeinstalled.Theheightofthecableshallbebetween0,5mand1m.Thecableshallbemaintainedinthatpositionbynon-metallicmeans.TheEMEshallbeset,initsnormaloperatingconfigurationonanon-metallictableataheightbetween0,5mand1m.TheIMEshallbesetonanon-metallictableataheightof0,8mfortestsupto1000MHzandbetween0,5mand1mfortestsabove1000MHz.Anyassociatedequipment,e.g.portablecomputerordataterminalifrequiredforoperationoftheLMES,shallbeplacednextto,andatthesameheightas,theIME.ForPE,theequipmentshallbearrangedinitsnormaloperatingconfigurationasrecommendedbytheapplicantonanon-metallictableataheightbetween0,5mand1m.TheEUTshallbeterminatedwithmatchedimpedancesattheterrestrialportsifrecommendedbytheapplicantintheuserdocumentationandifthereisnoassociatedequipmentconnectedtosuchports.SIST EN 301 427:2001
ETSIETSIEN301427V1.1.1(2000-05)18Forfrequenciesupto80MHz,themeasuringantennashallbeabalanceddipolewhichhasalengthequaltothe80MHzresonantlengthandshallbematchedtothefeederbyasuitabletransformingdevice.MeasurementswithbroadbandantennasisalsopossibleprovidedthatthetestsitehasbeencalibratedaccordingtotherequirementsofCISPR16-1[2].Forfrequenciesbetween80MHzand1000MHz,themeasuringantennashallbeabalanceddipolewhichshallberesonantinlength.MeasurementswithbroadbandantennasisalsopossibleprovidedthatthetestsitehasbeencalibratedaccordingtotherequirementsofCISPR16-1[2].Forfrequenciesabove1000MHz,theantennashallbeahornradiatorofknowngain/frequencycharacteristics.Whenusedforreception,theantennaandanyassociatedamplificationsystemshallhaveanamplitude/frequencyresponsewithin±2dBofthecombinedcalibrationcurvesacrossthemeasurementfrequencyrangeconsideredfortheantenna.Theantennaismountedonasupportcapableofallowingtheantennatobeusedineitherhorizontalorverticalpolarizationandatthespecifiedheight.Fortestsupto1000MHz,thereceivetestequipmentshallbeameasuringreceiver.Fortestsabove1000MHz,thereceivetestequipmentshallbeaspectrumanalyser.6.2.3.1Receivetestequipment6.2.3.1.1Measuringreceiverformeasurementsupto1000MHzMeasuringreceiversshallconformtothefollowingcharacteristics:-theresponsetoaconstantamplitudesinewavesignalshallremainwithin±1dBacrossthefrequencyrangeofinterest;-quasi-peakdetectionshallbeusedina-6dBbandwidthof120kHz;-thereceivershallbeoperatedatmorethan1dBbelowthecompressionpointduringtests/measurements.6.2.3.1.2Spectrumanalyserformeasurementsabove1000MHzThespectrumanalyserresolutionbandwidthshallbesettothespecifiedmeasuringbandwidthorascloseaspossible.Iftheresolutionbandwidthisdifferentfromthespecifiedmeasuringbandwidth,bandwidthcorrections
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