SIST EN 301 721:2001
(Main)Satellite Earth Stations and Systems (SES); Harmonized EN for Mobile Earth Stations (MES) providing Low Bit Rate Data Communications (LBRDC) using Low Earth Orbiting (LEO) satellites operating below 1 GHz covering essential requirements under Article 3.2 of the R&TTE directive
General Information
- Abstract
This Harmonised Standard will specify the technical requirements that apply to Mobile Earth Stations (MESs) for compliance with article 3.2 of the R&TTE Directive 1999/5/EC. The Mobile Earth Stations (MESs) have the following characteristics: The MESs will operate in frequency ranges below 1 GHz, which are expected to be allocated to Mobile Satellite Data Services operating in bands below 1 GHz, the use of which is expected to be harmonised through implementation of ERC Decisions accordance with the ITU Radio Regulations to the Mobile Satellite Services; The MESs could be either a based MES (BMES), a vehicle mounted MES (VMES) or a portable MES (PMES); The MESs operate through satellites in Low Earth Orbit (LEO) as part of a network providing low bit rate data communications; The MESs are controlled and monitored by a Network Control Facility (NCF). The NCF is outside the scope of this Harmonised Standard. The requirements of this Harmonised Standard shall be selected to ensure an adequate level of compatibility with other radio services. This Harmonised Standard does not contain any requirement, recommendation or information about the installation of the MESs Compliance of a MES to the requirements of this Harmonised Standard does not imply that the MES may be used. In conformity with Article 3.2 of Directive 1999/5/EC, the use of such equipment may be subject to licensing terms in conformity with Community law.
- 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 301 721:2001 is a harmonized European standard established by the Slovenski inštitut za standardizacijo (SIST) and ETSI. It defines technical requirements for Mobile Earth Stations (MES) operating below 1 GHz, specifically for those providing low bit rate data communications (LBRDC) through Low Earth Orbit (LEO) satellites. The standard ensures MES compliance with essential requirements under Article 3.2 of the R&TTE Directive (1999/5/EC), aiming for effective spectrum usage and minimization of radio interference to other services.
Key Topics
- Scope and Applicability: Covers MES types including Base MES (BMES), Vehicle Mounted MES (VMES), and Portable MES (PMES) operating in designated sub-1 GHz frequency bands for Mobile Satellite Services (MSS).
- Frequency Allocation: Operates in frequency ranges harmonized at the European level and consistent with ITU Radio Regulations for MSS.
- Types of MES:
- BMES: Fixed, power supplied via AC or DC.
- VMES: Installed on vehicles.
- PMES: Portable, battery-operated, self-contained.
- LEO Satellite Usage: Focus on MES networks supporting low bit rate communications through LEO satellite constellations.
- Environmental Profile: Requirements covering MES operation across defined temperature, voltage, and vibration exposures.
- Unwanted Emissions: Technical provisions limiting emissions inside and outside operational bands to protect terrestrial, space, and radio astronomy services.
- Conformance Testing: Outlines general test conditions, required measurements (radiated and conducted emissions), and use of special test equipment for validation.
- Control and Monitoring: MES must support control and monitoring functions, including transmitter disable/enable and frequency control, managed externally by a Network Control Facility (NCF).
Applications
SIST EN 301 721:2001 is relevant for manufacturers and operators of satellite communication equipment, particularly those providing:
- Satellite IoT Solutions: For applications needing secure, low bit rate messaging (e.g., asset tracking, remote monitoring) in areas with no terrestrial connectivity.
- Transportation and Logistics: VMES units installed on vehicles for real-time fleet, cargo, or asset communications across remote geographies.
- Emergency and Field Operations: PMES devices deployed by first responders, NGOs, or teams operating in disaster regions, leveraging robust, low rate satellite data links.
- Fixed Remote Sites: BMES units support oil and gas, environmental monitoring, or critical infrastructure where remote operability and interference minimization are essential.
To place MES products on the European market, compliance with SIST EN 301 721:2001 certifies proper spectrum use and regulatory conformity for radio equipment. This standard, however, does not address equipment installation or national licensing, which may be additionally required.
Related Standards
For a robust approach to equipment development and compliance, consider SIST EN 301 721:2001 in conjunction with other relevant standards and directives:
- Directive 1999/5/EC (R&TTE Directive): Sets out the legal framework for placing radio and telecommunications equipment on the EU market.
- EN 300 721: The originating harmonized standard for MSS MES in LEO satellite services.
- IEC 68 Series: Environmental testing standards referenced for operational durability (e.g., cold, dry heat, vibration).
- ITU Radio Regulations: Provides international rules for frequency allocations in satellite and mobile satellite services.
Complying with these standards supports product acceptance, interoperability, and safety in satellite communications across Europe and other regions recognizing ETSI standards.
Keywords: Satellite Earth Stations, Mobile Earth Stations, LEO satellites, low bit rate data, spectrum allocation, R&TTE Directive, radio equipment, MSS, emissions limits, conformance testing, satellite communications standards.
Relations
- Effective Date
- 25-Jan-2010
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Frequently Asked Questions
SIST EN 301 721:2001 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Satellite Earth Stations and Systems (SES); Harmonized EN for Mobile Earth Stations (MES) providing Low Bit Rate Data Communications (LBRDC) using Low Earth Orbiting (LEO) satellites operating below 1 GHz covering essential requirements under Article 3.2 of the R&TTE directive". This standard covers: This Harmonised Standard will specify the technical requirements that apply to Mobile Earth Stations (MESs) for compliance with article 3.2 of the R&TTE Directive 1999/5/EC. The Mobile Earth Stations (MESs) have the following characteristics: The MESs will operate in frequency ranges below 1 GHz, which are expected to be allocated to Mobile Satellite Data Services operating in bands below 1 GHz, the use of which is expected to be harmonised through implementation of ERC Decisions accordance with the ITU Radio Regulations to the Mobile Satellite Services; The MESs could be either a based MES (BMES), a vehicle mounted MES (VMES) or a portable MES (PMES); The MESs operate through satellites in Low Earth Orbit (LEO) as part of a network providing low bit rate data communications; The MESs are controlled and monitored by a Network Control Facility (NCF). The NCF is outside the scope of this Harmonised Standard. The requirements of this Harmonised Standard shall be selected to ensure an adequate level of compatibility with other radio services. This Harmonised Standard does not contain any requirement, recommendation or information about the installation of the MESs Compliance of a MES to the requirements of this Harmonised Standard does not imply that the MES may be used. In conformity with Article 3.2 of Directive 1999/5/EC, the use of such equipment may be subject to licensing terms in conformity with Community law.
This Harmonised Standard will specify the technical requirements that apply to Mobile Earth Stations (MESs) for compliance with article 3.2 of the R&TTE Directive 1999/5/EC. The Mobile Earth Stations (MESs) have the following characteristics: The MESs will operate in frequency ranges below 1 GHz, which are expected to be allocated to Mobile Satellite Data Services operating in bands below 1 GHz, the use of which is expected to be harmonised through implementation of ERC Decisions accordance with the ITU Radio Regulations to the Mobile Satellite Services; The MESs could be either a based MES (BMES), a vehicle mounted MES (VMES) or a portable MES (PMES); The MESs operate through satellites in Low Earth Orbit (LEO) as part of a network providing low bit rate data communications; The MESs are controlled and monitored by a Network Control Facility (NCF). The NCF is outside the scope of this Harmonised Standard. The requirements of this Harmonised Standard shall be selected to ensure an adequate level of compatibility with other radio services. This Harmonised Standard does not contain any requirement, recommendation or information about the installation of the MESs Compliance of a MES to the requirements of this Harmonised Standard does not imply that the MES may be used. In conformity with Article 3.2 of Directive 1999/5/EC, the use of such equipment may be subject to licensing terms in conformity with Community law.
SIST EN 301 721:2001 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 301 721:2001 has the following relationships with other standards: It is inter standard links to SIST EN 301 721:2002. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 301 721:2001 is associated with the following European legislation: 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 301 721:2001 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 Mobile Earth Stations (MES) providing Low Bit Rate Data Communications (LBRDC) using Low Earth Orbiting (LEO) satellites operating below 1 GHz covering essential requirements under Article 3.2 of the R&TTE directive33.070.40SatelitSatelliteICS:Ta slovenski standard je istoveten z:EN 301 721 Version 1.1.136IST EN 301 721:2001en01-MXOLM-20013SIST EN 301 721:2001SLOVENSKI
STANDARD
ETSIEN301721V1.1.1(2000-05)CandidateHarmonizedEuropeanStandard(Telecommunicationsseries)SatelliteEarthStationsandSystems(SES);HarmonizedENforMobileEarthStations(MES)providingLowBitRateDataCommunications(LBRDC)usingLowEarthOrbiting(LEO)satellitesoperatingbelow1GHzcoveringessentialrequirementsunderArticle3.2oftheR&TTEdirectiveSIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)2ReferenceDEN/SES-00052Keywordssatellite,mobile,earthstation,MES,MSS,LEO,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 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)3ContentsIntellectualPropertyRights.6Foreword.6Introduction.61Scope.92References.93Definitionsandabbreviations.103.1Definitions.103.2Abbreviations.114Technicalrequirementsspecifications.124.1Environmentalprofile.124.1.1General.124.1.2Temperature.124.1.3Voltage.124.1.4Vibration.124.2Conformancerequirements.124.2.1Unwantedemissionoutsidethebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz.124.2.1.1Justification.124.2.1.2Technicalrequirements.134.2.1.3Conformancetest.134.2.1.4TestCondition.144.2.1.5Testrequirements.144.2.2Unwantedemissionwithinthebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz.154.2.2.1Justification.154.2.2.2Technicalrequirements.154.2.2.3Conformancetest.154.2.2.4Testcondition.164.2.2.5Testrequirements.164.2.3EIRPdensitywithintheoperationalband.164.2.3.1Justification.164.2.3.2Technicalrequirements.174.2.3.3Conformancetest.174.2.3.4Testcondition.174.2.3.5Testrequirements.184.2.4Unwantedemissionsincarrier-offstate.184.2.4.1Justification.184.2.4.2Technicalrequirements.184.2.4.3Conformancetest.184.2.4.4Testcondition.184.2.4.5Testrequirements.194.2.5MESControlandMonitoringFunctions(CMF).194.2.5.1Justification.194.2.5.2SpecialTestEquipment(STE).194.2.5.3Technicalrequirements.194.2.5.3.1Self-monitoringfunctions.194.2.5.3.1.1Processormonitoring.194.2.5.3.1.2Transmitfrequencygenerationsub-systemmonitoring.194.2.5.3.1.3Conformancetest.194.2.5.3.2Networkcontrolauthorizationandreception-Networkcontrolauthorization.204.2.5.3.2.1Requirements.204.2.5.3.2.2Conformancetest.20SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)44.2.5.3.2.3Testprocedureandrequirements.204.2.5.3.3Networkcontrolauthorizationandreception-Networkcontrolreception.204.2.5.3.3.1Transmissiondisable/enable.204.2.5.3.3.2Conformancetest.214.2.5.3.3.3Testprocedureandrequirements.214.2.5.3.4Transmitfrequencycontrol.214.2.5.3.4.1Requirements.214.2.5.3.4.2Conformancetest.214.2.5.3.4.3Testprocedureandrequirements.214.2.6Equipmentidentity.224.2.6.1Justification.224.2.6.2Technicalrequirements.224.2.6.3Conformancetest.224.2.6.4Testprocedure.224.2.6.5Testrequirements.224.2.7ProtectionoftheRadioAstronomyService(RAS)fromemissionsproducedbytheMESinthebands150,05MHzto153MHz,322MHzto328,6MHzand406,1MHzto410MHz.234.2.7.1Justification.234.2.7.2Technicalrequirements.234.2.7.3Conformancetest.234.2.7.4Testprocedure.234.2.7.5Testrequirement.235Testingforcompliancewithtechnicalrequirements.235.1Environmentalconditionsfortesting.235.1.1General.235.1.2Specificationoftheenvironmentaltestconditions.235.1.3Testsunderextremevoltageconditions.245.2Essentialradiotestsuites.245.2.1Presentationofequipmentfortestingpurposes.245.2.2Descriptionofequipment.245.2.3Host-connectedequipment.255.2.4Generaltestrequirements.255.2.4.1MEStestmodes.255.2.4.2SpecialTestEquipment(STE).255.2.4.2.1STEdescription.255.2.4.2.2UseofSTEforcontrolandmonitoringfunctionstests.265.2.4.2.3Testmodulatingsignal.265.2.4.3LaboratoryTestEquipment(LTE).265.2.4.4MethodsoftestforMESRFemissions.275.2.4.5Interpretationofthemeasurementresults.275.2.4.6Testreport.275.2.5Testingofhost-connectedequipmentandplug-inmodules.275.2.5.1Alternativeapproaches.275.2.5.2AlternativeA:combinedequipment.275.2.5.3AlternativeB:useofatestjig.285.2.6Proceduresformeasurementofradiatedemissions.285.2.6.1General.285.2.6.2Testsite.285.2.6.3TestsetupforradiatedemissionsoftheMES.285.2.6.4ReferencepositionoftheMES.295.2.6.5Measurementprocedureforradiatedemissions(average).295.2.6.5.1MeasurementprocedureforaverageradiatedemissionsoftheMES.295.2.6.5.2Measurementprocedureforaverageradiatedemissionsofthecabinet.315.2.7Proceduresformeasurementofconductedemissions.325.2.7.1General.325.2.7.2Testsite.325.2.7.3Testset-up.325.2.7.4Measurementprocedureforconductedemissions(average).32SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)5AnnexA(normative):TheENRequirementsTable(EN-RT).33Bibliography.35History.36SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(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[5](asamended)layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.ThepresentdocumentisintendedtobecomeaHarmonizedStandard,thereferenceofwhichwillbepublishedintheOfficialJournaloftheEuropeanCommunitiesreferencingtheDirective1999/5/EC[1]oftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity("theR&TTEDirective").NationaltranspositiondatesDateofadoptionofthisEN:28April2000DateoflatestannouncementofthisEN(doa):31July2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2001DateofwithdrawalofanyconflictingNationalStandard(dow):31January2001IntroductionETSIhasdesignedamodularstructureforthestandards.Eachstandardisamoduleinthestructure.Themodularstructureisshowninfigure1.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)7NewstandardforHealthforradio(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.Forarticle3.3varioushorizontalboxesareshown.TheirdottedlinesindicatethatnoessentialrequirementsintheseareashaveyetbeenadoptedbytheCommission.Ifsuchessentialrequirementsareadopted,theywillbeelaboratedinindividualstandardswhosescopeislikelytobespecifiedbyfunctionorinterfacetype.Theverticalboxesshowthestandardsunderarticle3.2fortheuseoftheradiospectrum.Thescopesofthesestandardsarespecifiedeitherbyfrequency(normallyinthecasewherefrequencybandsareharmonized)orbyradioequipmenttype.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)8Forarticle3.1(b),thediagramshowsthenewsinglemulti-partproductEMCstandardforradio,andtheexistingcollectionofgenericandbasestandardscurrentlyusedundertheEMCDirective.Thepartsofthisnewstandardwillbecomeavailableinthesecondhalfof2000,andtheexistingseparateEMCstandardswillbeuseduntilitisavailable.Forarticle3.1(a)thediagramshowstheexistingsafetystandardscurrentlyusedundertheLVDDirectiveandthepossibilityofanewstandardonhealthrelatingtoradioemissionsThebottomofthefigureshowstherelationshipofthestandardstoradioequipmentandtelecommunicationsterminalequipment.Aparticularequipmentmayberadioequipment,telecommunicationsterminalequipmentorboth.Themodularapproachhasbeentakenbecause:-itminimizesthenumberofstandardsneeded.Becauseequipmentmayhavemultipleinterfacesandfunctionsitisnotpracticabletoproduceasinglestandardforeachpossiblecombinationoffunctionsthatmayoccurinanequipment;-itprovidesscopeforstandardstobeadded:-underarticle3.2whennewfrequencybandsareagreed;or-underarticle3.3shouldtheCommissiontakethenecessarydecisions;withoutrequiringalterationofstandardsthatarealreadypublished.ThepresentdocumentisbasedonEN300721[6].Therequirementsofthepresentdocumenthavebeenselectedtoensureanadequatelevelofcompatibilitywithotherradioservices.Thepresentdocumentdoesnotcontainanyrequirement,recommendation,orinformationabouttheinstallationoftheMESs.Thedeterminationoftheparametersoftheuserearthstationsusingagivensatelliteconstellationfortheprotectionofthespectrumallocatedtothatsatelliteconstellation,isconsideredtobeundertheresponsibilityofthesatelliteoperatororthesatellitenetworkoperators.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)91ScopeThepresentdocumentappliestoMobileEarthStations(MES)providingLowBitRateDataCommunications(LBRDC)usingLowEarthOrbiting(LEO)satellitesandwhichhavethefollowingcharacteristics:-theMEScouldbeaBasedMES(BMES),aVehiclemountedMES(VMES),oraPortableMES(PMES);-theMESsoperatethroughsatellitesinLowEarthOrbit(LEO)aspartofanetworkprovidingLowBitRateDataCommunications(LBRDC);-theseradioequipmenttypesarecapableofoperatinginalloranypartofthefrequencybandsgivenintable1.Table1:FrequencyRangesMESTransmitfrequenciesandServiceallocations(MHz)MESReceivefrequenciesandServiceallocations(MHz)148to149,9MSS137to137,025MSS149,9to150,05LMSS137,025to137,175MSS235to322MSS137,175to137,825MSS335,4to399,9MSS137,825to138MSS399,9to400,05LMSS235to322MSS335,4to399,9MSS400,15to401MSSThepresentdocumentisintendedtocovertheprovisionsofArticle3.2,whichstatesthat"…radioequipmentshallbesoconstructedthatiteffectivelyusesthespectrumallocatedtoterrestrial/spaceradiocommunicationsandorbitalresourcessoastoavoidharmfulinterference."ofDirective1999/5/EC[1](R&TTEDirective).Inadditiontothepresentdocument,otherENsthatspecifytechnicalrequirementsinrespectofessentialrequirementsunderotherpartsofArticle3oftheR&TTEDirective[1]mayapplytoequipmentwithinthescopeofthepresentdocument.NOTE1:AlistofsuchENsisincludedontheETSIwebsite.NOTE2:TheMESsarecontrolledandmonitoredbyaNetworkControlFacility(NCF).TheNCFisoutsidethescopeofthepresentdocument.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsequipmentandthemutualrecognitionoftheirconformity.[2]IECPublication68-2-1:"Environmentaltesting-Part2:Tests.TestsA:Cold".[3]IECPublication68-2-2:"Environmentaltesting-Part2:Tests.TestsB:Dryheat".SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)10[4]IECPublication68-2-36:"Environmentaltesting.Part2:Tests.TestFdb:Randomvibrationwideband-ReproducibilityMedium".[5]Directive98/34/ECoftheEuropeanParliamentandoftheCouncilof22June1998layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.[6]EN300721:"SatelliteEarthStationsandSystems(SES);MobileEarthStations(MES)providingLowBitRateDataCommunications(LBRDC)usingLowEarthOrbiting(LEO)satellitesoperatingbelow1GHz".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsintheR&TTEDirective[1],andthefollowingtermsanddefinitionsapply:applicant:manufacturerorhisauthorizedrepresentativewithintheEuropeanCommunityorthepersonresponsibleforplacingtheapparatusonthemarket.BMES:MESintendedtobeinstalledinafixedlocation,andwhichispoweredeitherbyDCorACsupply.carrier-offstate:MESisinthisstatewhenitisnottransmittingasignal,i.e.notinthecarrier-onstate.carrier-onstate:MESisinthisstatewhenitistransmittingasignalinacontinuousornon-continuousmode.controlchannel:controlchannelmaybeeitheracommandtoaparticularMESorasignalfromthesatellitecontainingcontrolinformationtoappropriatelyenableordisabletransmissionsfromaMES.conductedmeasurement:measurementofemissionsfromanantennaportoftheMESmadebydirectwiredconnectiontotheport.environmentalprofile:rangeofenvironmentalconditionsunderwhichequipmentwithinthescopeofthepresentdocumentisrequiredtocomplywiththeprovisionsofthepresentdocument.EquivalentIsotropicallyRadiatedPower(EIRP):productoftransmitterpowerandantennagain,equivalenttoanisotropicsourceradiatinguniformlyinalldirections.host-connected:indicatesanMESforwhichconnectiontoorintegrationwithhostequipmentisnecessarytoofferfunctionality.hostequipment:isanyequipmentwhichhasacompleteuserfunctionalitywhennotconnectedtotheMES,andtowhichtheMESprovidesadditionalfunctionality,andtowhichconnectionisnecessaryfortheMEStoofferfunctionality.InstallableEquipment(IE),InternallyMountedEquipment(IME)AndExternallyMountedEquipment(EME):InstallableEquipment(IE)isanequipmentwhichisintendedtobeinstalledinavehicle.AnIEmayconsistofoneorseveralinterconnectedmodules.TheIEiscomposedofmodulesintendedtobeexternallymountedasdeclaredbytheapplicant,anddefinedasExternallyMountedEquipment(EME)andtheremainingmodules(s)asInternallyMountedEquipment(IME).LaboratoryTestEquipment(LTE):logicalgroupingthatcontainsthestandardtestequipment.MSSband:continuousrangeoffrequenciesallocatedbytheITUtotheMSS(MobileSatelliteService).narrow-bandsystem:narrow-bandsystemisoneinwhichthenominalcarrierfrequencyspacingforMESsintheEarth-to-spacedirectionislessthan300kHz.networkcontrolchannel:channelbywhichanMESreceivesgeneralcontrolinformationfromtheNCF.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)11NCFcontrolmessage:message,normallyoriginatingfromanetwork,toaspecifiedterminalorsetofterminalsofthenetworkwhichindicatestotheterminalorsetofterminalsthatit/theyshouldcarryoutsomespecificactionorshouldenterormaintainsomespecificstate.FortestpurposesNCFcontrolmessagesmayoriginatefromSpecialTestEquipment(STE).nominatedbandwidth:bandwidthoftheMESradiofrequencytransmissionisnominatedbytheapplicant.Thenominatedbandwidthiswideenoughtoencompassallspectralelementsofthetransmissionwhichhavealevelgreaterthanthespecifiedunwantedemissionslimits.Thenominatedbandwidthiswideenoughtotakeaccountofthetransmitcarrierfrequencystability.ThenominatedbandwidthiswithintheMSStransmitfrequencybandwithinwhichtheMESoperates.NOTE:ForFDMA/DCAAsystemstheNominatedBandwidthdoesnotexceed25kHz.PMES:MESintendedtobeportable,andwhichispoweredbyastandalonebattery,andgenerallyintendedtobeself-containedandfreestanding.APMESwouldnormallyconsistofasinglemodule,butmayconsistofseveralinterconnectedmodules.InsomecasesdifferentspecificationsapplytoPMESandthisisnotedintherelevanttextradiatedmeasurement:measurementofanactualradiatedfield.SpecialTestEquipment(STE):equipmentwhichpermitscontroloftheMESsothatthetestsrequiredbythepresentdocumentcanbeperformed.testload:testloadisasubstantiallynon-reactive,non-radiatingpowerattenuatorwhichiscapableofsafelydissipatingthepowerfromthetransmitter(s).unwantedemissions:unwantedemissionsarethosefallingoutsidethenominatedbandwidthinthecarrier-onstate,andthosegeneratedinthecarrier-offstate.VMES:MESintendedtobeinstalledonavehicle.wide-bandsystem:wide-bandsystemisoneinwhichthenominalcarrierfrequencyspacingforMESsintheEarth-to-spacedirectionisequaltoorgreaterthan300kHz.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ACAlternatingCurrentASDAccelerationSpectralDensityBMESBaseMESCMFControlandMonitoringFunctionDCDirectCurrentDCAADynamicChannelActivityAssignmentDS-SSMADirectSequenceSpreadSpectrumMultipleAccessEIRPEquivalentIsotropicallyRadiatedPowerEMCElectro-MagneticCompatibilityEMEExternallyMountedEquipmentFDMAFrequencyDivisionMultipleAccessIEInstallableEquipmentIECInternationalElectrotechnicalCommission/CommitteeIMEInternallyMountedEquipmentLBRDCLowBitRateDataCommunicationsLMSSLandMobileSatelliteServiceLTELaboratoryTestEquipmentMESMobileEarthStationMICMESIdentificationCodeMSSMobileSatelliteServiceNCFNetworkControlFacilityPMESPortableMESppmpartspermillionR&TTERadioandTelecommunicationsTerminalEquipmentRASRadioAstronomyServiceSIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)12RFRadioFrequencySTESpecialTestEquipmentVMESVehicleMountedMES4Technicalrequirementsspecifications4.1Environmentalprofile4.1.1GeneralThetechnicalrequirementsofthepresentdocumentapplyundertheenvironmentalprofilespecifiedbelowforoperationoftheequipment.Theequipmentshallcomplywithallthetechnicalrequirementsofthepresentdocumentatalltimeswhenoperatingwithintheboundarylimitsofthespecifiedoperationalenvironmentalprofile.4.1.2TemperatureTheMESshallfulfilalltherequirementsinthefulltemperaturerangesof:-10°Cto+55°C;takenfromIECpublications68-2-1[2]and68-2-2[3].ForMESsexpectedtooperateinanenvironmentoutsidethistemperaturerangetheapplicantwilltakethenecessaryactionstoensureproperoperation.4.1.3VoltageTheapplicantshalldeclarethenominal,lowerandthehigherextremevoltages.TheMESshallfulfilalltherequirementsinthefullvoltagerangebetweentheextremevoltages.4.1.4VibrationTheMESshallfulfilalltherequirementswhenvibratedatthefrequency/amplitudesgivenintable2.Table2:VibrationcharacteristicsFrequencyrangeASD(AccelerationSpectralDensity)randomvibration5Hzto20Hz0,96m2/s3(+0/-5%)20Hzto500Hz0,96m2/s3(+0/-5%)at20Hz,thereafter-3dB/Octave(+0/-5%)(takenfromIECPublication68-2-36[4])4.2Conformancerequirements4.2.1Unwantedemissionoutsidethebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz4.2.1.1JustificationToprotectotherterrestrialservices,spaceradiocommunicationsservicesandtheradioastronomyservicesfromemissionscausedbyMESsoutsidethebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)134.2.1.2TechnicalrequirementsTheunwantedemissionsfromtheMESoutsidetheuplinkbands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz,withinwhichtheMESisdesignedtooperate,shallnotexceedthelimitsshownintables3,4and5.Table3:UnwantedemissionsforFDMAMESsoutsidetheoperationalband148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHzFrequencyMaximumEIRPdensity(dBpW)Measurement(MHz)FDMABandwidth0,1to14854100kHz150,05to23554100kHz322to335,454100kHz400,05to100054100kHz1000to1559601MHz1559to1626,5501MHz1626,5to12750601MHzTable4:UnwantedemissionsforDS-SSMAMESsoutsidetheoperationalband148MHzto150,05MHzFrequencyMaximumEIRPdensity(dBpW)Measurement(MHz)DS-SSMAbandwidth0,1to14654100kHz146to147,570100kHz147,5to14870-105(seenote)100kHz150,05to151,1570100kHz151,15to100054100kHz1000to1559601MHz1559to1626,5501MHz1626,5to12750601MHzNOTE:LinearlyinterpolatedindBpWvs.Frequency.Table5:UnwantedemissionsforDS-SSMAMESsoutsidetheoperationalbands235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHzFrequency(MHz)MaximumEIRPdensity(dBpW)Measuringbandwidth0,1to3054100kHz30to23554100kHz322to335,454100kHz400,05to100054100kHz1000to1559601MHz1559to1626,5501MHz1626,5to12750601MHzIntables3,4and5,wheneverachangeoflimitbetweenadjacentfrequencybandsoccurs,thelowerofthetwolimitsshallapplyatthetransitionfrequency.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasspecifiedinsubclause5.1.2(seesubclause5.2.2).4.2.1.3ConformancetestThistestshallbecarriedoutfortwoMESfrequenciesifavailable,theminimumandthemaximumMEStransmitfrequenciesforwhichtheMESisdesignedtooperate,asspecifiedbytheapplicant.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)14Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Foreachtest,theMESshallbesettotransmit(carrier-onstate)ononeofthespecifiedtransmittingfrequenciestobetestedatitsmaximumpowerforthattransmitfrequency,bymeansoftheSTEorbyanothertestfacilityprovidedbytheapplicant.IfthereisahandoverfunctionintheMES(toallowchangeoffrequencychannelduringatransmission),thisfunctionshallbedisabled.ThetransmittedcarriershallbemodulatedbyapseudorandombitsequencegeneratedbytheMESorbytheSTE.ForaMESoperationalinshortburstmode,thissequencewillbeoflengthcompatiblewiththemaximumburstlengthduration.Otherwisethetransmittedcarriershallbemodulatedbyatestsignalatmaximumrateasspecifiedinsubclause5.2.4.2.3.Inthetestequipment,thespectrumanalysernoisefloorshallbeatleast6dBbelowtheappropriatelimitsgivenintables3,4and5.Themeasurementsareperformedwiththeradiatedorwiththeconductedmethodaccordingtothecasesdefinedinsubclause5.2.4.4.Formeasurementsofradiatedunwantedemissions,subclause5.2.6applies.Formeasurementsofconductedunwantedemissions,subclause5.2.7applies.4.2.1.4TestConditionThespectrumanalyzershallbesetinsweepmodeandshallbeoperatedunderthefollowingconditions:frequencysweep:asrequiredforfrequencyrangetobeassessed;resolutionbandwidth:measurementbandwidthspecifiedintables3,4and5;displaybandwidth:equaltothemeasurementbandwidth;averaging:yes;peakhold:no.Themeasurementtimeshallbesuchthatthedifferenceofthemeasuredlevels,averagedoversubsequentmeasurementsamples,islessthan1dB,orameasurementtimeof100msmaybeusedifthemeasuredvaluescomplywiththeapplicablelimits.ForaMESoperatinginanon-continuouscarriermode,themeasurementshallbeperformedovertheactivepartofthetransmittedbursts.Thetotalsampletimeusedformeasurementshallbenotlessthan40%ofthedurationoftheactivepartofthetransmittedburst.Themeasurementshallbemadeovertherandompartoftheburst,excludinganypreamblesorsynchronizationsequences.ThesemeasurementsmaybeperformedwiththeMESoperatingincontinuousmodeiftheMESiscapableofsuchoperation.4.2.1.5TestrequirementsFormeasurementsofradiatedunwantedemissionsoftheMES,themeasuredvaluesshallnotexceedthelimitsgivenintables3,4and5,asapplicable.FormeasurementsofconductedunwantedemissionsoftheMES,themeasuredvaluesplusthedeclaredmaximumantennagain(orthedeclaredantennagainatthefrequencyofthemeasuredspuriousemission-inaccordancewithsubclause5.2.2)shallinnocaseexceedthelimitsgivenintables3,4and5.Verification:BymeasurementofunwantedemissionsgeneratedbyanoperatingMES.AllRFtestsinthissubclauseshallbecarriedoutatenvironmentalconditionsasspecifiedinsubclause5.1.2.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)15Alltestsinthecarrier-onstateshallbeundertakenwiththetransmitteroperatingatfullpowerandwiththemaximumtransmitburstratewhereapplicable.Toenabletheperformanceteststobecarriedout,theuseofSpecialTestEquipment(STE),suppliedbytheapplicant,maybenecessary.SincethisSTEwillbespecificfortheparticularsystem,itisnotpossibletoprovidedetailedspecificationsinthepresentdocument.However,thefollowingbaselineisprovided:-iftheMESrequirestoreceiveamodulatedcarrierfromthesatelliteinordertotransmit,thenspecialtestarrangementsarerequiredtosimulatethesatellitesignal,thusenablingtheMEStotransmitallowingmeasurementoftransmissionparameters;-anyspecificationofthesespecialtestarrangementswhichmayhavedirectorindirecteffectsonanyrequirementorrecommendationofthepresentdocumentshallbeclearlystatedbytheapplicant.4.2.2Unwantedemissionwithinthebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz4.2.2.1JustificationToprotectotherterrestrialandspaceradiocommunicationsservicesoperatingintheabovefrequencybands.4.2.2.2TechnicalrequirementsForeachtransmitband148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz,withinwhichtheMESisdesignedtooperate,theunwantedemissionsEIRPinany4kHzbandwithinthattransmitbandandoutsidethenominatedbandwidthshallinthecarrier-onstatenotexceedthelimitsgivenintable6.Table6:UnwantedemissionsEIRPwithintheoperationalbandsbutoutsidethenominatedbandwidthOffsetfromtheedgeofthenominatedbandwidthMaximumEIRPdensity(dBpW/4kHz)DS-SSMAFDMA0to50%ofthenominatedbandwidth90-56(note)7050%to250%ofthenominatedbandwidth5665>250%ofthenominatedbandwidthupto5MHz5665ifapplicable,totheedgeoftheoperationalband5665NOTE:LinearlyinterpolatedindBpWvs.Frequency.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasspecifiedinsubclause5.1.2(seesubclause5.2.2).4.2.2.3ConformancetestThistestshallbecarriedoutfortwoMESfrequencies,ifavailable,theminimumandthemaximumtransmitfrequencyforwhichtheMESisdesignedtooperate,asspecifiedbytheapplicant.Twoadditionaltransmitfrequenciesshallbetestedifavailable.Thesefrequenciesshallbeequallyspacedbetweenthelowestandhighesttransmitfrequencies.Thetransmitfrequenciesusedforthetestshallbeenteredinthetestreport.Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Foreachtest,theMESshallbesettotransmit(carrier-onstate)ononeofthespecifiedtransmitfrequenciestobetested,atitsmaximumpowerforthattransmitfrequency,bymeansoftheSTEorbyanothertestfacilityprovidedbytheapplicant.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)16IfthereisahandoverfunctionintheMES(toallowchangeoffrequencychannelduringatransmission),thisfunctionshallbedisabled.Thetransmittedcarriershallbemodulatedbyatestsignalatmaximumrateasspecifiedinsubclause5.2.4.2.3.Inthetestequipment,thespectrumanalyzernoisefloorshallbeatleast6dBbelowtheappropriatelimitsgivenintable6asapplicable.Themeasurementsareperformedwiththeradiatedorwiththeconductedmethodaccordingtothecasesdefinedinsubclause5.2.4.4.Formeasurementsofradiatedunwantedemissions,subclause5.2.6applies.Formeasurementsofconductedunwantedemissions,subclause5.2.7applies.4.2.2.4TestconditionThespectrumanalyzershallbesetinsweepmodeandshallbeoperatedunderthefollowingconditions:frequencysweep:asrequiredforfrequencyrangetobeassessed;resolutionbandwidth:measurementbandwidthspecifiedinsubclause4.2.2.2;displaybandwidth:equaltothemeasurementbandwidth;averaging:yes;peakhold:no.Themeasurementtimeshallbesuchthatthedifferenceofthemeasuredlevels,averagedoversubsequentmeasurementsamples,islessthan1dB,orameasurementtimeof100msmaybeusedifthemeasuredvaluescomplywiththeapplicablelimits.ForaMESoperatinginanon-continuouscarriermode,themeasurementshallbeperformedovertheactivepartofthetransmittedbursts.Thetotalsampletimeusedformeasurementshallbenotlessthan40%ofthedurationoftheactivepartofthetransmittedburst.Themeasurementshallbemadeovertherandompartoftheburst,excludinganypreamblesorsynchronizationsequences.4.2.2.5TestrequirementsFormeasurementsofradiatedunwantedemissionsoftheMES,themeasuredvaluesshallinnocaseexceedthelimitsgivenintable6asapplicable.Formeasurementsofconductedunwantedemissions,themeasuredvaluesplusthemaximumantennagain,shallinnocaseexceedthelimitsgivenintable6asapplicable.4.2.3EIRPdensitywithintheoperationalband4.2.3.1JustificationToprotectotherserviceswhichusethesamefrequencyband.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)174.2.3.2TechnicalrequirementsTheEIRPdensityinany4kHzbandradiatedfromtheMESshallnotexceedthelimitsintable7.Table7:EIRPLimitsDS-SSMAFDMA106dBpW130dBpWTheserequirementsapplytoalltypesofMES,foreverytransmitchanneloftheMESinitsoperationalband.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasdescribedinsubclause5.1.2(seesubclause5.2.2).4.2.3.3ConformancetestIfavailableminimumtwoMEStransmitfrequenciesshallbeusedforthistest.ThesefrequenciesshallbetheminimumandthemaximumfrequenciesofthebandforwhichtheMESisdesignedtooperate,asspecifiedbytheapplicant.Whereavailable,theEIRPdensityshallalsobetestedattwoadditionaltransmitfrequencies.Thesefrequenciesshallbeequallyspacedbetweentheminimumandmaximumfrequencies.ThemeasuredEIRPdensitiesandthecorrespondingtransmitfrequenciesusedforthetestshallbeenteredinthetestreport.Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Foreachtest,theMESshallbesettotransmit(carrier-onstate)atitsmaximumpower-onthespecifiedtransmittingfrequencytobetested,bymeansoftheSTEorbyanothertestfacilityprovidedbytheapplicant.IfthereisahandoverfunctionintheMES(toallowchangeoffrequencychannelduringatransmission),thisfunctionshallbedisabled.Thetransmittedcarriershallbemodulatedbyatestsignalatmaximumrateasspecifiedinsubclause5.2.4.2.3.Inthetestequipment,thespectrumanalyzernoisefloorshallbeatleast6dBbelowtheappropriatevaluestobemeasured.Themeasurementsareperformedwiththeconductedorwiththeradiatedmethodaccordingtothecasesdefinedinsubclause5.2.4.4.ForradiatedmeasurementsoftransmittedEIRPdensity,subclause5.2.6applies.ForassessmentoftransmittedEIRPdensitybyconductedmeasurements,subclause5.2.7applies.4.2.3.4TestconditionThespectrumanalyzershallbesetinsweepmodeandshallbeoperatedunderthefollowingconditions:frequencysweep:fromthelowertotheupperlimitsofthenominatedbandwidthofthetransmitchannelundertest;resolutionbandwidth:measurementbandwidthspecifiedinsubclause4.2.3.2displaybandwidth:equaltothemeasurementbandwidth;averaging:yes;peakhold:no.Themeasurementtimeshallbesuchthatthedifferenceofthemeasuredlevels,averagedoversubsequentmeasurementsamples,islessthan1dB,orameasurementtimeof100msmaybeusedifthemeasuredvaluescomplywiththeapplicablelimits.ThesemeasurementsmaybeperformedwiththeMESoperatingincontinuosmodeiftheMESiscapableofsuchoperation.Alternatively,apowermetermaybeusedwithacorrectionfactortoaccountforthedutycycle.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)184.2.3.5TestrequirementsFormeasurementsofradiatedEIRP,themeasuredvaluesshallnotexceedtheappropriatevaluesgiveninsubclause4.2.3.2,foreachspecificfrequencysub-bandandoperatingconditionforwhichthelimitapplies,asspecifiedbytheapplicant.ForassessmentofEIRPbyconductedmeasurement,themeasuredvaluesplusthemaximumantennagain,shallnotexceedtheappropriatevaluesgiveninsubclause4.2.3.2,foreachspecificfrequencybandandoperatingconditionforwhichthelimitapplies,asspecifiedbytheapplicant.4.2.4Unwantedemissionsincarrier-offstate4.2.4.1JustificationToprotectotherradioservicesandsystemsfromunwantedemissionscausedbyMESsinthecarrier-offstate.4.2.4.2TechnicalrequirementsThemaximumEIRPoftheunwantedemissionsfromtheMESsinthecarrier-offstateshallnotexceed33dBpWinany100kHz.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasspecifiedinsubclause5.1.2(seesubclause5.2.2).4.2.4.3ConformancetestTheMESshallbeinthepower-onstateandsetinanon-transmitting(carrier-offstate)mode.Ifthereisaperiodicautomatictransmissionofbursts(e.g.forlocationupdating),theSTEshallprovideameanstoinhibitit,ortotriggerthemeasurementinordertoanalyseonlythenon-transmittingperiods.Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Inthetestequipme
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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 Mobile Earth Stations (MES) providing Low Bit Rate Data Communications (LBRDC) using Low Earth Orbiting (LEO) satellites operating below 1 GHz covering essential requirements under Article 3.2 of the R&TTE directive33.070.40SatelitSatelliteICS:Ta slovenski standard je istoveten z:EN 301 721 Version 1.1.1SIST EN 301 721:2001en01-september-2001SIST EN 301 721:2001SLOVENSKI
STANDARD
ETSIEN301721V1.1.1(2000-05)CandidateHarmonizedEuropeanStandard(Telecommunicationsseries)SatelliteEarthStationsandSystems(SES);HarmonizedENforMobileEarthStations(MES)providingLowBitRateDataCommunications(LBRDC)usingLowEarthOrbiting(LEO)satellitesoperatingbelow1GHzcoveringessentialrequirementsunderArticle3.2oftheR&TTEdirectiveSIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)2ReferenceDEN/SES-00052Keywordssatellite,mobile,earthstation,MES,MSS,LEO,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 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)3ContentsIntellectualPropertyRights.6Foreword.6Introduction.61Scope.92References.93Definitionsandabbreviations.103.1Definitions.103.2Abbreviations.114Technicalrequirementsspecifications.124.1Environmentalprofile.124.1.1General.124.1.2Temperature.124.1.3Voltage.124.1.4Vibration.124.2Conformancerequirements.124.2.1Unwantedemissionoutsidethebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz.124.2.1.1Justification.124.2.1.2Technicalrequirements.134.2.1.3Conformancetest.134.2.1.4TestCondition.144.2.1.5Testrequirements.144.2.2Unwantedemissionwithinthebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz.154.2.2.1Justification.154.2.2.2Technicalrequirements.154.2.2.3Conformancetest.154.2.2.4Testcondition.164.2.2.5Testrequirements.164.2.3EIRPdensitywithintheoperationalband.164.2.3.1Justification.164.2.3.2Technicalrequirements.174.2.3.3Conformancetest.174.2.3.4Testcondition.174.2.3.5Testrequirements.184.2.4Unwantedemissionsincarrier-offstate.184.2.4.1Justification.184.2.4.2Technicalrequirements.184.2.4.3Conformancetest.184.2.4.4Testcondition.184.2.4.5Testrequirements.194.2.5MESControlandMonitoringFunctions(CMF).194.2.5.1Justification.194.2.5.2SpecialTestEquipment(STE).194.2.5.3Technicalrequirements.194.2.5.3.1Self-monitoringfunctions.194.2.5.3.1.1Processormonitoring.194.2.5.3.1.2Transmitfrequencygenerationsub-systemmonitoring.194.2.5.3.1.3Conformancetest.194.2.5.3.2Networkcontrolauthorizationandreception-Networkcontrolauthorization.204.2.5.3.2.1Requirements.204.2.5.3.2.2Conformancetest.20SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)44.2.5.3.2.3Testprocedureandrequirements.204.2.5.3.3Networkcontrolauthorizationandreception-Networkcontrolreception.204.2.5.3.3.1Transmissiondisable/enable.204.2.5.3.3.2Conformancetest.214.2.5.3.3.3Testprocedureandrequirements.214.2.5.3.4Transmitfrequencycontrol.214.2.5.3.4.1Requirements.214.2.5.3.4.2Conformancetest.214.2.5.3.4.3Testprocedureandrequirements.214.2.6Equipmentidentity.224.2.6.1Justification.224.2.6.2Technicalrequirements.224.2.6.3Conformancetest.224.2.6.4Testprocedure.224.2.6.5Testrequirements.224.2.7ProtectionoftheRadioAstronomyService(RAS)fromemissionsproducedbytheMESinthebands150,05MHzto153MHz,322MHzto328,6MHzand406,1MHzto410MHz.234.2.7.1Justification.234.2.7.2Technicalrequirements.234.2.7.3Conformancetest.234.2.7.4Testprocedure.234.2.7.5Testrequirement.235Testingforcompliancewithtechnicalrequirements.235.1Environmentalconditionsfortesting.235.1.1General.235.1.2Specificationoftheenvironmentaltestconditions.235.1.3Testsunderextremevoltageconditions.245.2Essentialradiotestsuites.245.2.1Presentationofequipmentfortestingpurposes.245.2.2Descriptionofequipment.245.2.3Host-connectedequipment.255.2.4Generaltestrequirements.255.2.4.1MEStestmodes.255.2.4.2SpecialTestEquipment(STE).255.2.4.2.1STEdescription.255.2.4.2.2UseofSTEforcontrolandmonitoringfunctionstests.265.2.4.2.3Testmodulatingsignal.265.2.4.3LaboratoryTestEquipment(LTE).265.2.4.4MethodsoftestforMESRFemissions.275.2.4.5Interpretationofthemeasurementresults.275.2.4.6Testreport.275.2.5Testingofhost-connectedequipmentandplug-inmodules.275.2.5.1Alternativeapproaches.275.2.5.2AlternativeA:combinedequipment.275.2.5.3AlternativeB:useofatestjig.285.2.6Proceduresformeasurementofradiatedemissions.285.2.6.1General.285.2.6.2Testsite.285.2.6.3TestsetupforradiatedemissionsoftheMES.285.2.6.4ReferencepositionoftheMES.295.2.6.5Measurementprocedureforradiatedemissions(average).295.2.6.5.1MeasurementprocedureforaverageradiatedemissionsoftheMES.295.2.6.5.2Measurementprocedureforaverageradiatedemissionsofthecabinet.315.2.7Proceduresformeasurementofconductedemissions.325.2.7.1General.325.2.7.2Testsite.325.2.7.3Testset-up.325.2.7.4Measurementprocedureforconductedemissions(average).32SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)5AnnexA(normative):TheENRequirementsTable(EN-RT).33Bibliography.35History.36SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(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[5](asamended)layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.ThepresentdocumentisintendedtobecomeaHarmonizedStandard,thereferenceofwhichwillbepublishedintheOfficialJournaloftheEuropeanCommunitiesreferencingtheDirective1999/5/EC[1]oftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity("theR&TTEDirective").NationaltranspositiondatesDateofadoptionofthisEN:28April2000DateoflatestannouncementofthisEN(doa):31July2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2001DateofwithdrawalofanyconflictingNationalStandard(dow):31January2001IntroductionETSIhasdesignedamodularstructureforthestandards.Eachstandardisamoduleinthestructure.Themodularstructureisshowninfigure1.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)7NewstandardforHealthforradio(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.Forarticle3.3varioushorizontalboxesareshown.TheirdottedlinesindicatethatnoessentialrequirementsintheseareashaveyetbeenadoptedbytheCommission.Ifsuchessentialrequirementsareadopted,theywillbeelaboratedinindividualstandardswhosescopeislikelytobespecifiedbyfunctionorinterfacetype.Theverticalboxesshowthestandardsunderarticle3.2fortheuseoftheradiospectrum.Thescopesofthesestandardsarespecifiedeitherbyfrequency(normallyinthecasewherefrequencybandsareharmonized)orbyradioequipmenttype.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)8Forarticle3.1(b),thediagramshowsthenewsinglemulti-partproductEMCstandardforradio,andtheexistingcollectionofgenericandbasestandardscurrentlyusedundertheEMCDirective.Thepartsofthisnewstandardwillbecomeavailableinthesecondhalfof2000,andtheexistingseparateEMCstandardswillbeuseduntilitisavailable.Forarticle3.1(a)thediagramshowstheexistingsafetystandardscurrentlyusedundertheLVDDirectiveandthepossibilityofanewstandardonhealthrelatingtoradioemissionsThebottomofthefigureshowstherelationshipofthestandardstoradioequipmentandtelecommunicationsterminalequipment.Aparticularequipmentmayberadioequipment,telecommunicationsterminalequipmentorboth.Themodularapproachhasbeentakenbecause:-itminimizesthenumberofstandardsneeded.Becauseequipmentmayhavemultipleinterfacesandfunctionsitisnotpracticabletoproduceasinglestandardforeachpossiblecombinationoffunctionsthatmayoccurinanequipment;-itprovidesscopeforstandardstobeadded:-underarticle3.2whennewfrequencybandsareagreed;or-underarticle3.3shouldtheCommissiontakethenecessarydecisions;withoutrequiringalterationofstandardsthatarealreadypublished.ThepresentdocumentisbasedonEN300721[6].Therequirementsofthepresentdocumenthavebeenselectedtoensureanadequatelevelofcompatibilitywithotherradioservices.Thepresentdocumentdoesnotcontainanyrequirement,recommendation,orinformationabouttheinstallationoftheMESs.Thedeterminationoftheparametersoftheuserearthstationsusingagivensatelliteconstellationfortheprotectionofthespectrumallocatedtothatsatelliteconstellation,isconsideredtobeundertheresponsibilityofthesatelliteoperatororthesatellitenetworkoperators.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)91ScopeThepresentdocumentappliestoMobileEarthStations(MES)providingLowBitRateDataCommunications(LBRDC)usingLowEarthOrbiting(LEO)satellitesandwhichhavethefollowingcharacteristics:-theMEScouldbeaBasedMES(BMES),aVehiclemountedMES(VMES),oraPortableMES(PMES);-theMESsoperatethroughsatellitesinLowEarthOrbit(LEO)aspartofanetworkprovidingLowBitRateDataCommunications(LBRDC);-theseradioequipmenttypesarecapableofoperatinginalloranypartofthefrequencybandsgivenintable1.Table1:FrequencyRangesMESTransmitfrequenciesandServiceallocations(MHz)MESReceivefrequenciesandServiceallocations(MHz)148to149,9MSS137to137,025MSS149,9to150,05LMSS137,025to137,175MSS235to322MSS137,175to137,825MSS335,4to399,9MSS137,825to138MSS399,9to400,05LMSS235to322MSS335,4to399,9MSS400,15to401MSSThepresentdocumentisintendedtocovertheprovisionsofArticle3.2,whichstatesthat"…radioequipmentshallbesoconstructedthatiteffectivelyusesthespectrumallocatedtoterrestrial/spaceradiocommunicationsandorbitalresourcessoastoavoidharmfulinterference."ofDirective1999/5/EC[1](R&TTEDirective).Inadditiontothepresentdocument,otherENsthatspecifytechnicalrequirementsinrespectofessentialrequirementsunderotherpartsofArticle3oftheR&TTEDirective[1]mayapplytoequipmentwithinthescopeofthepresentdocument.NOTE1:AlistofsuchENsisincludedontheETSIwebsite.NOTE2:TheMESsarecontrolledandmonitoredbyaNetworkControlFacility(NCF).TheNCFisoutsidethescopeofthepresentdocument.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsequipmentandthemutualrecognitionoftheirconformity.[2]IECPublication68-2-1:"Environmentaltesting-Part2:Tests.TestsA:Cold".[3]IECPublication68-2-2:"Environmentaltesting-Part2:Tests.TestsB:Dryheat".SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)10[4]IECPublication68-2-36:"Environmentaltesting.Part2:Tests.TestFdb:Randomvibrationwideband-ReproducibilityMedium".[5]Directive98/34/ECoftheEuropeanParliamentandoftheCouncilof22June1998layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.[6]EN300721:"SatelliteEarthStationsandSystems(SES);MobileEarthStations(MES)providingLowBitRateDataCommunications(LBRDC)usingLowEarthOrbiting(LEO)satellitesoperatingbelow1GHz".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsintheR&TTEDirective[1],andthefollowingtermsanddefinitionsapply:applicant:manufacturerorhisauthorizedrepresentativewithintheEuropeanCommunityorthepersonresponsibleforplacingtheapparatusonthemarket.BMES:MESintendedtobeinstalledinafixedlocation,andwhichispoweredeitherbyDCorACsupply.carrier-offstate:MESisinthisstatewhenitisnottransmittingasignal,i.e.notinthecarrier-onstate.carrier-onstate:MESisinthisstatewhenitistransmittingasignalinacontinuousornon-continuousmode.controlchannel:controlchannelmaybeeitheracommandtoaparticularMESorasignalfromthesatellitecontainingcontrolinformationtoappropriatelyenableordisabletransmissionsfromaMES.conductedmeasurement:measurementofemissionsfromanantennaportoftheMESmadebydirectwiredconnectiontotheport.environmentalprofile:rangeofenvironmentalconditionsunderwhichequipmentwithinthescopeofthepresentdocumentisrequiredtocomplywiththeprovisionsofthepresentdocument.EquivalentIsotropicallyRadiatedPower(EIRP):productoftransmitterpowerandantennagain,equivalenttoanisotropicsourceradiatinguniformlyinalldirections.host-connected:indicatesanMESforwhichconnectiontoorintegrationwithhostequipmentisnecessarytoofferfunctionality.hostequipment:isanyequipmentwhichhasacompleteuserfunctionalitywhennotconnectedtotheMES,andtowhichtheMESprovidesadditionalfunctionality,andtowhichconnectionisnecessaryfortheMEStoofferfunctionality.InstallableEquipment(IE),InternallyMountedEquipment(IME)AndExternallyMountedEquipment(EME):InstallableEquipment(IE)isanequipmentwhichisintendedtobeinstalledinavehicle.AnIEmayconsistofoneorseveralinterconnectedmodules.TheIEiscomposedofmodulesintendedtobeexternallymountedasdeclaredbytheapplicant,anddefinedasExternallyMountedEquipment(EME)andtheremainingmodules(s)asInternallyMountedEquipment(IME).LaboratoryTestEquipment(LTE):logicalgroupingthatcontainsthestandardtestequipment.MSSband:continuousrangeoffrequenciesallocatedbytheITUtotheMSS(MobileSatelliteService).narrow-bandsystem:narrow-bandsystemisoneinwhichthenominalcarrierfrequencyspacingforMESsintheEarth-to-spacedirectionislessthan300kHz.networkcontrolchannel:channelbywhichanMESreceivesgeneralcontrolinformationfromtheNCF.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)11NCFcontrolmessage:message,normallyoriginatingfromanetwork,toaspecifiedterminalorsetofterminalsofthenetworkwhichindicatestotheterminalorsetofterminalsthatit/theyshouldcarryoutsomespecificactionorshouldenterormaintainsomespecificstate.FortestpurposesNCFcontrolmessagesmayoriginatefromSpecialTestEquipment(STE).nominatedbandwidth:bandwidthoftheMESradiofrequencytransmissionisnominatedbytheapplicant.Thenominatedbandwidthiswideenoughtoencompassallspectralelementsofthetransmissionwhichhavealevelgreaterthanthespecifiedunwantedemissionslimits.Thenominatedbandwidthiswideenoughtotakeaccountofthetransmitcarrierfrequencystability.ThenominatedbandwidthiswithintheMSStransmitfrequencybandwithinwhichtheMESoperates.NOTE:ForFDMA/DCAAsystemstheNominatedBandwidthdoesnotexceed25kHz.PMES:MESintendedtobeportable,andwhichispoweredbyastandalonebattery,andgenerallyintendedtobeself-containedandfreestanding.APMESwouldnormallyconsistofasinglemodule,butmayconsistofseveralinterconnectedmodules.InsomecasesdifferentspecificationsapplytoPMESandthisisnotedintherelevanttextradiatedmeasurement:measurementofanactualradiatedfield.SpecialTestEquipment(STE):equipmentwhichpermitscontroloftheMESsothatthetestsrequiredbythepresentdocumentcanbeperformed.testload:testloadisasubstantiallynon-reactive,non-radiatingpowerattenuatorwhichiscapableofsafelydissipatingthepowerfromthetransmitter(s).unwantedemissions:unwantedemissionsarethosefallingoutsidethenominatedbandwidthinthecarrier-onstate,andthosegeneratedinthecarrier-offstate.VMES:MESintendedtobeinstalledonavehicle.wide-bandsystem:wide-bandsystemisoneinwhichthenominalcarrierfrequencyspacingforMESsintheEarth-to-spacedirectionisequaltoorgreaterthan300kHz.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ACAlternatingCurrentASDAccelerationSpectralDensityBMESBaseMESCMFControlandMonitoringFunctionDCDirectCurrentDCAADynamicChannelActivityAssignmentDS-SSMADirectSequenceSpreadSpectrumMultipleAccessEIRPEquivalentIsotropicallyRadiatedPowerEMCElectro-MagneticCompatibilityEMEExternallyMountedEquipmentFDMAFrequencyDivisionMultipleAccessIEInstallableEquipmentIECInternationalElectrotechnicalCommission/CommitteeIMEInternallyMountedEquipmentLBRDCLowBitRateDataCommunicationsLMSSLandMobileSatelliteServiceLTELaboratoryTestEquipmentMESMobileEarthStationMICMESIdentificationCodeMSSMobileSatelliteServiceNCFNetworkControlFacilityPMESPortableMESppmpartspermillionR&TTERadioandTelecommunicationsTerminalEquipmentRASRadioAstronomyServiceSIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)12RFRadioFrequencySTESpecialTestEquipmentVMESVehicleMountedMES4Technicalrequirementsspecifications4.1Environmentalprofile4.1.1GeneralThetechnicalrequirementsofthepresentdocumentapplyundertheenvironmentalprofilespecifiedbelowforoperationoftheequipment.Theequipmentshallcomplywithallthetechnicalrequirementsofthepresentdocumentatalltimeswhenoperatingwithintheboundarylimitsofthespecifiedoperationalenvironmentalprofile.4.1.2TemperatureTheMESshallfulfilalltherequirementsinthefulltemperaturerangesof:-10°Cto+55°C;takenfromIECpublications68-2-1[2]and68-2-2[3].ForMESsexpectedtooperateinanenvironmentoutsidethistemperaturerangetheapplicantwilltakethenecessaryactionstoensureproperoperation.4.1.3VoltageTheapplicantshalldeclarethenominal,lowerandthehigherextremevoltages.TheMESshallfulfilalltherequirementsinthefullvoltagerangebetweentheextremevoltages.4.1.4VibrationTheMESshallfulfilalltherequirementswhenvibratedatthefrequency/amplitudesgivenintable2.Table2:VibrationcharacteristicsFrequencyrangeASD(AccelerationSpectralDensity)randomvibration5Hzto20Hz0,96m2/s3(+0/-5%)20Hzto500Hz0,96m2/s3(+0/-5%)at20Hz,thereafter-3dB/Octave(+0/-5%)(takenfromIECPublication68-2-36[4])4.2Conformancerequirements4.2.1Unwantedemissionoutsidethebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz4.2.1.1JustificationToprotectotherterrestrialservices,spaceradiocommunicationsservicesandtheradioastronomyservicesfromemissionscausedbyMESsoutsidethebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)134.2.1.2TechnicalrequirementsTheunwantedemissionsfromtheMESoutsidetheuplinkbands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz,withinwhichtheMESisdesignedtooperate,shallnotexceedthelimitsshownintables3,4and5.Table3:UnwantedemissionsforFDMAMESsoutsidetheoperationalband148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHzFrequencyMaximumEIRPdensity(dBpW)Measurement(MHz)FDMABandwidth0,1to14854100kHz150,05to23554100kHz322to335,454100kHz400,05to100054100kHz1000to1559601MHz1559to1626,5501MHz1626,5to12750601MHzTable4:UnwantedemissionsforDS-SSMAMESsoutsidetheoperationalband148MHzto150,05MHzFrequencyMaximumEIRPdensity(dBpW)Measurement(MHz)DS-SSMAbandwidth0,1to14654100kHz146to147,570100kHz147,5to14870-105(seenote)100kHz150,05to151,1570100kHz151,15to100054100kHz1000to1559601MHz1559to1626,5501MHz1626,5to12750601MHzNOTE:LinearlyinterpolatedindBpWvs.Frequency.Table5:UnwantedemissionsforDS-SSMAMESsoutsidetheoperationalbands235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHzFrequency(MHz)MaximumEIRPdensity(dBpW)Measuringbandwidth0,1to3054100kHz30to23554100kHz322to335,454100kHz400,05to100054100kHz1000to1559601MHz1559to1626,5501MHz1626,5to12750601MHzIntables3,4and5,wheneverachangeoflimitbetweenadjacentfrequencybandsoccurs,thelowerofthetwolimitsshallapplyatthetransitionfrequency.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasspecifiedinsubclause5.1.2(seesubclause5.2.2).4.2.1.3ConformancetestThistestshallbecarriedoutfortwoMESfrequenciesifavailable,theminimumandthemaximumMEStransmitfrequenciesforwhichtheMESisdesignedtooperate,asspecifiedbytheapplicant.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)14Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Foreachtest,theMESshallbesettotransmit(carrier-onstate)ononeofthespecifiedtransmittingfrequenciestobetestedatitsmaximumpowerforthattransmitfrequency,bymeansoftheSTEorbyanothertestfacilityprovidedbytheapplicant.IfthereisahandoverfunctionintheMES(toallowchangeoffrequencychannelduringatransmission),thisfunctionshallbedisabled.ThetransmittedcarriershallbemodulatedbyapseudorandombitsequencegeneratedbytheMESorbytheSTE.ForaMESoperationalinshortburstmode,thissequencewillbeoflengthcompatiblewiththemaximumburstlengthduration.Otherwisethetransmittedcarriershallbemodulatedbyatestsignalatmaximumrateasspecifiedinsubclause5.2.4.2.3.Inthetestequipment,thespectrumanalysernoisefloorshallbeatleast6dBbelowtheappropriatelimitsgivenintables3,4and5.Themeasurementsareperformedwiththeradiatedorwiththeconductedmethodaccordingtothecasesdefinedinsubclause5.2.4.4.Formeasurementsofradiatedunwantedemissions,subclause5.2.6applies.Formeasurementsofconductedunwantedemissions,subclause5.2.7applies.4.2.1.4TestConditionThespectrumanalyzershallbesetinsweepmodeandshallbeoperatedunderthefollowingconditions:frequencysweep:asrequiredforfrequencyrangetobeassessed;resolutionbandwidth:measurementbandwidthspecifiedintables3,4and5;displaybandwidth:equaltothemeasurementbandwidth;averaging:yes;peakhold:no.Themeasurementtimeshallbesuchthatthedifferenceofthemeasuredlevels,averagedoversubsequentmeasurementsamples,islessthan1dB,orameasurementtimeof100msmaybeusedifthemeasuredvaluescomplywiththeapplicablelimits.ForaMESoperatinginanon-continuouscarriermode,themeasurementshallbeperformedovertheactivepartofthetransmittedbursts.Thetotalsampletimeusedformeasurementshallbenotlessthan40%ofthedurationoftheactivepartofthetransmittedburst.Themeasurementshallbemadeovertherandompartoftheburst,excludinganypreamblesorsynchronizationsequences.ThesemeasurementsmaybeperformedwiththeMESoperatingincontinuousmodeiftheMESiscapableofsuchoperation.4.2.1.5TestrequirementsFormeasurementsofradiatedunwantedemissionsoftheMES,themeasuredvaluesshallnotexceedthelimitsgivenintables3,4and5,asapplicable.FormeasurementsofconductedunwantedemissionsoftheMES,themeasuredvaluesplusthedeclaredmaximumantennagain(orthedeclaredantennagainatthefrequencyofthemeasuredspuriousemission-inaccordancewithsubclause5.2.2)shallinnocaseexceedthelimitsgivenintables3,4and5.Verification:BymeasurementofunwantedemissionsgeneratedbyanoperatingMES.AllRFtestsinthissubclauseshallbecarriedoutatenvironmentalconditionsasspecifiedinsubclause5.1.2.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)15Alltestsinthecarrier-onstateshallbeundertakenwiththetransmitteroperatingatfullpowerandwiththemaximumtransmitburstratewhereapplicable.Toenabletheperformanceteststobecarriedout,theuseofSpecialTestEquipment(STE),suppliedbytheapplicant,maybenecessary.SincethisSTEwillbespecificfortheparticularsystem,itisnotpossibletoprovidedetailedspecificationsinthepresentdocument.However,thefollowingbaselineisprovided:-iftheMESrequirestoreceiveamodulatedcarrierfromthesatelliteinordertotransmit,thenspecialtestarrangementsarerequiredtosimulatethesatellitesignal,thusenablingtheMEStotransmitallowingmeasurementoftransmissionparameters;-anyspecificationofthesespecialtestarrangementswhichmayhavedirectorindirecteffectsonanyrequirementorrecommendationofthepresentdocumentshallbeclearlystatedbytheapplicant.4.2.2Unwantedemissionwithinthebands148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz4.2.2.1JustificationToprotectotherterrestrialandspaceradiocommunicationsservicesoperatingintheabovefrequencybands.4.2.2.2TechnicalrequirementsForeachtransmitband148MHzto150,05MHz,235MHzto322MHz,335,4MHzto399,9MHzand399,9MHzto400,05MHz,withinwhichtheMESisdesignedtooperate,theunwantedemissionsEIRPinany4kHzbandwithinthattransmitbandandoutsidethenominatedbandwidthshallinthecarrier-onstatenotexceedthelimitsgivenintable6.Table6:UnwantedemissionsEIRPwithintheoperationalbandsbutoutsidethenominatedbandwidthOffsetfromtheedgeofthenominatedbandwidthMaximumEIRPdensity(dBpW/4kHz)DS-SSMAFDMA0to50%ofthenominatedbandwidth90-56(note)7050%to250%ofthenominatedbandwidth5665>250%ofthenominatedbandwidthupto5MHz5665ifapplicable,totheedgeoftheoperationalband5665NOTE:LinearlyinterpolatedindBpWvs.Frequency.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasspecifiedinsubclause5.1.2(seesubclause5.2.2).4.2.2.3ConformancetestThistestshallbecarriedoutfortwoMESfrequencies,ifavailable,theminimumandthemaximumtransmitfrequencyforwhichtheMESisdesignedtooperate,asspecifiedbytheapplicant.Twoadditionaltransmitfrequenciesshallbetestedifavailable.Thesefrequenciesshallbeequallyspacedbetweenthelowestandhighesttransmitfrequencies.Thetransmitfrequenciesusedforthetestshallbeenteredinthetestreport.Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Foreachtest,theMESshallbesettotransmit(carrier-onstate)ononeofthespecifiedtransmitfrequenciestobetested,atitsmaximumpowerforthattransmitfrequency,bymeansoftheSTEorbyanothertestfacilityprovidedbytheapplicant.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)16IfthereisahandoverfunctionintheMES(toallowchangeoffrequencychannelduringatransmission),thisfunctionshallbedisabled.Thetransmittedcarriershallbemodulatedbyatestsignalatmaximumrateasspecifiedinsubclause5.2.4.2.3.Inthetestequipment,thespectrumanalyzernoisefloorshallbeatleast6dBbelowtheappropriatelimitsgivenintable6asapplicable.Themeasurementsareperformedwiththeradiatedorwiththeconductedmethodaccordingtothecasesdefinedinsubclause5.2.4.4.Formeasurementsofradiatedunwantedemissions,subclause5.2.6applies.Formeasurementsofconductedunwantedemissions,subclause5.2.7applies.4.2.2.4TestconditionThespectrumanalyzershallbesetinsweepmodeandshallbeoperatedunderthefollowingconditions:frequencysweep:asrequiredforfrequencyrangetobeassessed;resolutionbandwidth:measurementbandwidthspecifiedinsubclause4.2.2.2;displaybandwidth:equaltothemeasurementbandwidth;averaging:yes;peakhold:no.Themeasurementtimeshallbesuchthatthedifferenceofthemeasuredlevels,averagedoversubsequentmeasurementsamples,islessthan1dB,orameasurementtimeof100msmaybeusedifthemeasuredvaluescomplywiththeapplicablelimits.ForaMESoperatinginanon-continuouscarriermode,themeasurementshallbeperformedovertheactivepartofthetransmittedbursts.Thetotalsampletimeusedformeasurementshallbenotlessthan40%ofthedurationoftheactivepartofthetransmittedburst.Themeasurementshallbemadeovertherandompartoftheburst,excludinganypreamblesorsynchronizationsequences.4.2.2.5TestrequirementsFormeasurementsofradiatedunwantedemissionsoftheMES,themeasuredvaluesshallinnocaseexceedthelimitsgivenintable6asapplicable.Formeasurementsofconductedunwantedemissions,themeasuredvaluesplusthemaximumantennagain,shallinnocaseexceedthelimitsgivenintable6asapplicable.4.2.3EIRPdensitywithintheoperationalband4.2.3.1JustificationToprotectotherserviceswhichusethesamefrequencyband.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)174.2.3.2TechnicalrequirementsTheEIRPdensityinany4kHzbandradiatedfromtheMESshallnotexceedthelimitsintable7.Table7:EIRPLimitsDS-SSMAFDMA106dBpW130dBpWTheserequirementsapplytoalltypesofMES,foreverytransmitchanneloftheMESinitsoperationalband.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasdescribedinsubclause5.1.2(seesubclause5.2.2).4.2.3.3ConformancetestIfavailableminimumtwoMEStransmitfrequenciesshallbeusedforthistest.ThesefrequenciesshallbetheminimumandthemaximumfrequenciesofthebandforwhichtheMESisdesignedtooperate,asspecifiedbytheapplicant.Whereavailable,theEIRPdensityshallalsobetestedattwoadditionaltransmitfrequencies.Thesefrequenciesshallbeequallyspacedbetweentheminimumandmaximumfrequencies.ThemeasuredEIRPdensitiesandthecorrespondingtransmitfrequenciesusedforthetestshallbeenteredinthetestreport.Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Foreachtest,theMESshallbesettotransmit(carrier-onstate)atitsmaximumpower-onthespecifiedtransmittingfrequencytobetested,bymeansoftheSTEorbyanothertestfacilityprovidedbytheapplicant.IfthereisahandoverfunctionintheMES(toallowchangeoffrequencychannelduringatransmission),thisfunctionshallbedisabled.Thetransmittedcarriershallbemodulatedbyatestsignalatmaximumrateasspecifiedinsubclause5.2.4.2.3.Inthetestequipment,thespectrumanalyzernoisefloorshallbeatleast6dBbelowtheappropriatevaluestobemeasured.Themeasurementsareperformedwiththeconductedorwiththeradiatedmethodaccordingtothecasesdefinedinsubclause5.2.4.4.ForradiatedmeasurementsoftransmittedEIRPdensity,subclause5.2.6applies.ForassessmentoftransmittedEIRPdensitybyconductedmeasurements,subclause5.2.7applies.4.2.3.4TestconditionThespectrumanalyzershallbesetinsweepmodeandshallbeoperatedunderthefollowingconditions:frequencysweep:fromthelowertotheupperlimitsofthenominatedbandwidthofthetransmitchannelundertest;resolutionbandwidth:measurementbandwidthspecifiedinsubclause4.2.3.2displaybandwidth:equaltothemeasurementbandwidth;averaging:yes;peakhold:no.Themeasurementtimeshallbesuchthatthedifferenceofthemeasuredlevels,averagedoversubsequentmeasurementsamples,islessthan1dB,orameasurementtimeof100msmaybeusedifthemeasuredvaluescomplywiththeapplicablelimits.ThesemeasurementsmaybeperformedwiththeMESoperatingincontinuosmodeiftheMESiscapableofsuchoperation.Alternatively,apowermetermaybeusedwithacorrectionfactortoaccountforthedutycycle.SIST EN 301 721:2001
ETSIETSIEN301721V1.1.1(2000-05)184.2.3.5TestrequirementsFormeasurementsofradiatedEIRP,themeasuredvaluesshallnotexceedtheappropriatevaluesgiveninsubclause4.2.3.2,foreachspecificfrequencysub-bandandoperatingconditionforwhichthelimitapplies,asspecifiedbytheapplicant.ForassessmentofEIRPbyconductedmeasurement,themeasuredvaluesplusthemaximumantennagain,shallnotexceedtheappropriatevaluesgiveninsubclause4.2.3.2,foreachspecificfrequencybandandoperatingconditionforwhichthelimitapplies,asspecifiedbytheapplicant.4.2.4Unwantedemissionsincarrier-offstate4.2.4.1JustificationToprotectotherradioservicesandsystemsfromunwantedemissionscausedbyMESsinthecarrier-offstate.4.2.4.2TechnicalrequirementsThemaximumEIRPoftheunwantedemissionsfromtheMESsinthecarrier-offstateshallnotexceed33dBpWinany100kHz.Thetechnicalrequirementsapplyforthefullrangeofenvironmentalconditionscorrespondingtothetypeofequipmentasspecifiedinsubclause5.1.2(seesubclause5.2.2).4.2.4.3ConformancetestTheMESshallbeinthepower-onstateandsetinanon-transmitting(carrier-offstate)mode.Ifthereisaperiodicautomatictransmissionofbursts(e.g.forlocationupdating),theSTEshallprovideameanstoinhibitit,ortotriggerthemeasurementinordertoanalyseonlythenon-transmittingperiods.Theenvironmentaltestconditionsaregiveninsubclause5.1.2.Inthetestequip
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