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SIST EN 300 471-1 V1.2.1:2003

(Main)

ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Land Mobile Service; Rules for Access and the Sharing of common used channels by equipment complying with EN 300 113; Part 1: Technical characteristics and methods of measurement

ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Land Mobile Service; Rules for Access and the Sharing of common used channels by equipment complying with EN 300 113; Part 1: Technical characteristics and methods of measurement

Editorial update, consequent to the publication of EN 300 471-2

Elektromagnetna združljivost in zadeve v zvezi z radijskim spektrom (ERM) – Pravila za dostopanje in souporabo skupno uporabljanih kanalov s pomočjo opreme, ki ustreza EN 300 113 – 1. del: Tehnične karakteristike in merilne metode

General Information

Status
Published
Publication Date
30-Nov-2003
ICS
33.060.99 - Other equipment for radiocommunications
33.100.01 - Electromagnetic compatibility in general
Technical Committee
SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Dec-2003
Due Date
01-Dec-2003
Completion Date
01-Dec-2003
Ref Project
ETSI EN 300 471-1 V1.2.1 (2000-12) - ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Land Mobile Service; Rules for Access and the Sharing of common used channels by equipment complying with EN 300 113; Part 1: Technical characteristics and methods of measurement

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.SRPRþMRElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Land Mobile Service; Rules for Access and the Sharing of common used channels by equipment complying with EN 300 113; Part 1: Technical characteristics and methods of measurement33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.99Druga oprema za radijske komunikacijeOther equipment for radiocommunicationsICS:Ta slovenski standard je istoveten z:EN 300 471-1 Version 1.2.1SIST EN 300 471-1 V1.2.1:2003en01-december-2003SIST EN 300 471-1 V1.2.1:2003SLOVENSKI
STANDARD



SIST EN 300 471-1 V1.2.1:2003



ETSIEN300471-1V1.2.1(2001-05)EuropeanStandard(Telecommunicationsseries)ElectromagneticcompatibilityandRadiospectrumMatters(ERM);LandMobileService;RulesforAccessandtheSharingofcommonusedchannelsbyequipmentcomplyingwithEN300113;Part1:TechnicalcharacteristicsandmethodsofmeasurementSIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)2ReferenceREN/ERM-RP02-049-1KeywordsEMC,mobile,PMR,radio,serviceETSI650RoutedesLuciolesF-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.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.51Scope.62References.63Definitions.74General.74.1Sharingspeech/data.74.2Sharingdata/data.74.3ConformitytothisEN.84.4Interpretationofthemeasurementresults.85Technicalcharacteristicsoftheequipment.86Accessprotocol.86.1General.86.2Principles.96.3Procedure.96.4Carriersensing.106.5Observationtime.106.6Initiationofthetransmitter.116.7DurationoftheRFchanneloccupation(timeinterval).116.7.1Transmissionsofdatapacketsexceeding300ms.116.7.2Transmissionsofdatapacketsnotexceeding300ms(speech/datachannels).117Examplesofsharingsituations.118Methodsofmeasurementforreceiverdelays.168.1Carriersensedelay.168.1.1Definition.168.1.2Methodofmeasurement.168.1.3Limit.178.2Receiveropeningdelay.178.2.1Definition.178.2.2Methodofmeasurement.178.2.3Limit.189Measurementuncertainty.18AnnexA(normative):Generalarrangementsformeasurementsinvolvingtheuseofradiatedfields.19A.1Testfixture.19A.1.1Description.19A.1.2Calibration.20A.1.3Modeofuse.20A.2Acousticcoupler.20A.2.1General.20A.2.2Description.21A.2.3Calibration.21SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)4AnnexB(informative):Commentsconcerningtherandompartoftheobservationtime.22AnnexC(informative):Commentsconcerningthetrafficloadingofsharedchannels.23AnnexD(informative):Bibliography.24History.25SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeElectromagneticcompatibilityandRadiospectrumMatters(ERM).Thepresentdocumentispart1ofamulti-partdeliverablecoveringtheLandMobileService;RulesforAccessandtheSharingofcommonusedchannelsbyequipmentcomplyingwith300113,asidentifiedbelow:Part1:"Technicalcharacteristicsandmethodsofmeasurement";Part2:"HarmonizedENcoveringessentialrequirementsunderarticle3.2oftheR&TTEDirective".NationaltranspositiondatesDateofadoptionofthisEN:27April2001DateoflatestannouncementofthisEN(doa):31July2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2002DateofwithdrawalofanyconflictingNationalStandard(dow):31January2002IntroductionThepresentdocumentspecifiesanaccessprotocolandoccupationrulesfordatacommunicationsonradiochannelssharedbydifferentusers,asidentifiedintheScope.ItisbasedontheaccessprotocolpublishedasannexFofI-ETS300113[3].Thisaccessprotocolmaybeusedfordatacommunicationsoverchannelsoriginallyintendedforspeechuse.TherequirementsofthepresentdocumentcanbeimplementedinequipmentmeetingtherequirementsofETSIstandardssuchasEN300113orEN300390.Thepresentdocumentgivesfreedomfortheuseofanybitrate,anyconstantenvelopemodulationoranytypeofcommunicationsprotocolwhichfulfilsthenormativeparametersprovidedbythepresentdocument,inordertoaccessasharedradiochannel.SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)61ScopeThepresentdocumentappliestoequipmentdesignedtooperatewithintheprofessionalmobileradioserviceandtotheassociatedfrequencyplanning.Itappliestoequipmentdesignedforthetransmissionofdataonsharedchannels.Thepresentdocumentspecifiesanaccessprotocolandoccupationrulesfordatacommunicationsonradiochannelssharedbydifferentusers;italsocontainstwomethodsofmeasurementusedfortheassessmentofreceivertimingparameters(characteristicsrequiredfortheimplementationoftheprotocol).Thisaccessprotocolmaybeusedfordatacommunicationsoverchannelsoriginallyintendedforspeechuse.Thisaccessprotocolalsopermitsthesharingofachannelbetweenseveralindependentusersofdatacommunications.Moreprecisely,thisaccessprotocolappliestosinglefrequencysimplexoperation(andtwofrequencyrepeateroperationswiththerepeaterinduplexmodeandthemobileunitsinsimplexmode).Thisaccessprotocolisapplicablefor:-multipledataonlyusers,independentofeachother,whichdonotshareacommoncentralcontrolfacility,butmayshareacommonsingleortwofrequencyradiochannel;-multiplemixedanaloguespeechanddatausers,independentfromeachother,whichdonotshareacommoncentralcontrolfacility,butmayshareacommonsingle,ortwofrequency,radiochannelandwherespeechistohavepriorityoverdatatransmissions.Inthecaseofanaloguetransmissions,thecorrespondingaccessprotocolisknownasthe"radio-discipline"oftheusers.Thepresentdocumentgivesfreedomfortheuseofanybitrate,anyconstantenvelopemodulationoranytypeofcommunicationsprotocolwhichfulfilsthenormativeparametersprovidedbythepresentdocument,inordertoaccessasharedradiochannel;withinthelimitssetoutinthepresentdocument,eachgroupofusersmayuseitsowncommunicationprotocol.Thisaccessprotocolisnotapplicablefordatauserswithcommoncentralcontrolfacilitiesorfortrunkedsystemsoperatingondedicatednon-sharedchannels.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublicationand/oreditionnumberorversionnumber)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIEN300113-1(V1.3.1):"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);Landmobileservice;Radioequipmentintendedforthetransmissionofdata(andspeech)andhavinganantennaconnector;Part1:Technicalcharacteristicsandmethodsofmeasurement".[2]ETSIEN300390-1(V1.2.1):"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);LandMobileService;Radioequipmentintendedforthetransmissionofdata(andspeech)andusinganintegralantenna;Part1:Technicalcharacteristicsandtestconditions".[3]ETSII-ETS300113(1992):"RadioEquipmentandSystems(RES);LandmobileserviceTechnicalcharacteristicsandtestconditionsfornon-speechandcombinedanaloguespeech/non-speechequipmentwithaninternalorexternalantennaconnector,intendedforthetransmissionofdata".[4]ETSIETR028(1994):"RadioEquipmentandSystems(RES);Uncertaintiesinthemeasurementofmobileradioequipmentcharacteristics".SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)73DefinitionsForthepurposeofthepresentdocument,thefollowingtermsanddefinitionsapply:bit:binarydigitblock:thesmallestquantityofinformationsentovertheradiochannel.Aconstantnumberofusefulbitsarealwayssenttogetherwiththecorrespondingredundancybits.packet:oneblockoracontiguousstreamofblockssentbyone(logical)transmittertooneparticularreceiveroroneparticulargroupofreceiversburst(physical):transmissionofasmallnumberofconsecutivepacketswithinaperiodnotexceeding300msinaccordancewiththisaccessprotocoltransmission(physical):oneorseveralpacketstransmittedbetweenpoweronandpoweroffofaparticulartransmitterwindow:setofinter-relatedtransmissionsresultingfromtheactionofthe"initiatingtransmitter",andlimitedintimebytheaccessprotocolandcorrespondingoccupationrulestoadurationoftt+∆tt.session:setofinter-relatedexchangesofpacketsoccupyingoneorseveralwindowsorpartsthereof(ifapplicable).Itcorrespondstoacompleteinteractiveprocedureforinterchangingdatabetweenusers,comprisinginitiation,datatransmissionandterminationprocedures.Thesessioncanbeshort(e.g.2packets)orlong(e.g.onefullpageoftext).message:userdatatobetransferredinoneormorepacketsinasessioninitiatingtransmitter:theinitiatingtransmitteristhestationthathascompletedthe"observationtime"(seeclause6.5)andthereforestartsatransmission.Thisinitiatesawindowandtriggersthetimertt.reply:transmissionbyastationasananswertothe"initiatingtransmitter".Thisreplycanbeanacknowledge("ACK")oranegativeacknowledge("NACK")oralongerpacketofusefulinformation.4General4.1Sharingspeech/dataThisaccessprotocolgivesspeechpriorityoverdataonmixedspeech/datachannels.Inordertolimitannoyancetospeechusers,thedurationofdatatransmissionsshallbelimitedinaccordancewithclause6.7.4.2Sharingdata/dataOnfrequenciesassignedonlytodatacommunicationusers(withoutcommoncentralcontrolfacilities)theaccessprotocolprovidesaccesstoindependentuserswithequalpriority.SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)84.3ConformitytothisENa)Asigneddeclarationshallbeprovidedasaconfirmationthattheequipmentmeetstherequirementsofthisaccessprotocol.b)Thismaybesubmittedbythemanufacturerwiththeapplicationformfortests.c)Inthecasewherethecontrollingsoftwarefortheequipmenthasnotbeenengineeredbythemanufactureroftheradioequipment,thepartyresponsibleforengineeringthecontrollingsoftwareshallprovideasigneddeclarationthattheequipmentmeetstherequirementsofthisaccessprotocol.d)Measurementsofreceivercarriersensedelayandopeningdelayshallbeperformed,possiblytogetherwiththetestscorrespondingtoEN300113(orEN300390).4.4InterpretationofthemeasurementresultsTheinterpretationoftheresults(e.g.resultsrecordedinatestreport)forthemeasurementsdescribedinthepresentdocumentshallbeasfollows:-themeasuredvaluerelatedtothecorrespondinglimitshallbeusedtodecidewhetheranequipmentmeetstherequirementsforthatparameterofthepresentdocument;-thevalueofthemeasurementuncertaintyshallbe,foreachmeasurement,equaltoorlowerthanthefiguresgiveninclause9(maximumacceptablevaluesofthemeasurementuncertainties);-thevalueofthemeasurementuncertaintyforthemeasurementofeachparametershallbeincludedinthecorrespondingtestreport(ifany).Forthetestmethods,accordingtothepresentdocument,themeasurementuncertaintyfiguresshallbecalculatedinaccordancewithETR028[4]andshallcorrespondtoanexpansionfactor(coveragefactor)k=1,96ork=2(whichprovideconfidencelevelsofrespectively95%and95,45%inthecasewherethedistributionscharacterisingtheactualmeasurementuncertaintiesarenormal(Gaussian)).Theparticularexpansionfactorusedfortheevaluationofthemeasurementuncertaintyshallbestated.5TechnicalcharacteristicsoftheequipmentThetimingrequirementsthattheequipmentshallfulfilinordertooperatecorrectlyandefficientlycanbefoundinEN300113-1[1],clauses5.1.7and5.1.8,EN300390-1[2],clauses5.1.5and5.1.6andclauses8.1.3and8.2.3ofthepresentdocument.ThecorrespondingmethodsofmeasurementcanbefoundinEN300113-1[1],clauses8.8and8.9,EN300390-1[2],clauses8.5and8.6andinclauses8.1and8.2,ofthepresentdocument.6Accessprotocol6.1GeneralTheaccessprotocolshallbeusedforeachoccupationoftheRadioFrequency(RF)channelforsharingdata/dataandforsharingspeech/datawithautomaticchannelaccess.SIST EN 300 471-1 V1.2.1:2003



ETSIETSIEN300471-1V1.2.1(2001-05)96.2PrinciplesTheequipmentdetermineswhetherornotthechannelis,andhasbeen,idleforacertainperiod(theobservationtime)bymeansofcarriersensing.Theobservationtimeconsistsofafixedpartandarandomlyselectedpart.Whenthechannelstillappearstobeidleattheendoftheobservationtime,thetransmitterisinitiatedandpoweredupwithinaspecifiedtime.Thedurationoftheemissionislimited(seeclause6.7).6.3ProcedureTheequipmentshalldeterminewhetherornotthechannelis,andhasbeen,idleforacertainperiod(theobservationtimeto),bymeansofcarriersensing(seeclause6.4).Theobservationtimetoconsistsofafixedparttfandarandomlyselectedparttr.Ifthechannelisoccupiedduringpartoftheobservationtime,theprocessshallberepeatedwithoutchangingm(seeclause6.5).Ifthechannelappearstobeidlethroughouttheobservationtime,thetransmittershallbeinitiatedandpoweredupwithinthespecifiedtime(attacktime;seeEN300113-1[1],clause8.8orEN300390-1[2],clause8.5).Thechannelcanthenbeseizedforthedurationofonetimeinterval.Themaximumlengthttofthisintervaldependsonthefrequencysharingcategory(data/speech,data/data).Ifaretransmissionisrequired(due,forexample,toa"collision",i.e.asimultaneouschannelaccessbyseveralusers),theobservationprocessshallberepeatedandthechannelshallbedetectedasidlepriortoarepetitionofatransmission.Withinonetimeinterval,thefollowingradiotrafficmaytakeplace:a)fromabasestationtooneorseveralmobiles;b)fromamobiletoabasestation;c)betweenmobiles.Toensurethatnootherusercanaccessthechannelduringatimeinterval,thereversiontimetc,thetimebetweentransmissionofamessageandreceptionofthecorrespondingacknowledgementand/orreply,shallnotexceed50ms.Thereversiontimetcisthetimebetweentheswi
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Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 7: Specific conditions for mobile and portable radio and ancillary equipment of digital cellular radio telecommunications systems (GSM and DCS)
ETSI EN 301 489-7 V1.3.1 (2005-06)

The present document, together with EN 301 489-1 [1], covers the assessment of radio equipment meeting Phase 1, Phase 2, and Phase 2+ GSM and DCS digital cellular mobile and portable radio equipment transmitting and receiving speech and/or data, and operating in digital cellular radio telecommunications systems, and associated ancillary equipment in respect of ElectroMagnetic Compatibility (EMC). Technical specifications related to the antenna port and emissions from the enclosure port of radio equipment are not included in the present document. Such technical specifications are found in the relevant product standards for the effective use of the radio spectrum. The present document specifies the applicable test conditions, performance assessment and performance criteria for Phase 1, Phase 2, and Phase 2+ GSM and DCS digital cellular mobile and portable radio equipment, transmitting and receiving speech and/or data, and associated ancillary equipment. Examples of digital cellular mobile and portable radio equipment covered by the present document are given in annex A. In case of differences (for instance concerning special conditions, definitions, abbreviations) between the present document and EN 301 489-1 [1], the provisions of the present document take precedence. Base station equipment (BTS and BSS) operating within network infrastructure is outside the scope of the present document. However, the present document does cover mobile and portable equipment that is intended to be operated in a fixed location while connected to the AC mains (see clause 5.5). The environment classification and the emission and immunity requirements used in the present document are as stated in EN 301 489-1 [1], except for any special conditions included in the present document.

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SIST EN 301 842-3 V1.1.1:2006(Main)
Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 3: Additional broadcast aspects
ETSI EN 301 842-3 V1.1.1 (2005-02)

The present document provides part 3 of the technical specifications for Very High Frequency (VHF) Digital Link (VDL) Mode 4 ground-based radio transmitters and receivers for air-ground communications operating in the VHF band, using Gaussian-filtered Frequency Shift Keying (GFSK) Modulation with 25 kHz channel spacing and capable of tuning to any of the 25 kHz channels from 118,000 MHz to 136,975 MHz as defined in ICAO VHF Digital Link (VDL) Standards and Recommended Practices (SARPs) [10]. The present document is designed to ensure that equipment certified to it will be compatible with the relevant ICAO VHF Digital Link (VDL) Standards and Recommended Practices (SARPs) [10] and VDL Mode 4 Technical Manual (TM) [1]. Manufacturers should note that in future the tuning range for the ground transceivers may also cover any 25 kHz channel from 108,000 MHz to 117,975 MHz. The scope of the present document is limited to ground stations. The equivalent specification for airborne stations is EN 302 842 [9]. A description of the scope of the VDL Mode 4 system is provided in part 2 of these technical specifications (see EN 301 842-2 [5] clause 1). EN 301 842-1 [4] deals with tests of the physical layer. EN 301 842-2 [5] deals with tests of the link layer sufficient to support broadcast functionality including requirements and tests sufficient to recognize and respond to transmissions associated with point-to-point communication. The present document provides technical specifications for a VDL Mode 4 ground-based transceiver supporting a full Automatic Dependent Surveillance - Broadcast (ADS-B) capability and, optionally, the additional functionality of either, or a combination of, the following services:
• Traffic Information Service - Broadcast (TIS-B);
• Flight Information Service - Broadcast (FIS-B);
• GNSS Augmentation Service - Broadcast (GNS-B).
The TIS-B, FIS-B, or GNS-B functionality in the ground-based equipment is expected to be provided by a TIS-B, FIS-B or GNS-B processor, which could be contained within the VDL Mode 4 transceiver, but could also be housed in a separate physical unit. Therefore to support TIS-B, FIS-B or GNS-B, the minimum functionality demanded of a basic VDL Mode 4 ground-based transceiver unit (i.e. one that does not have a TIS-B, FIS-B or GNS-B processor housed within it) is to receive, from the TIS-B, FIS-B or GNS-B processor, all messages to be transmitted, and to transmit them. In the case of FIS-B there is an additional requirement to receive report request messages (from other VDL4 stations) and to pass those messages to the FIS-B processor. It should be noted that the specifications for TIS-B, FIS-B and GNS-B in the present document represent a first step towards defining these applications, based on the work carried out as part of the NUP and MEDUP Programmes, and changes to the specifications for these services may therefore occur in the future.

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SIST EN 302 208-1 V1.1.1:2006(Main)
Electromagnetic compatibility and Radio spectrum Matters (ERM); Radio Frequency Identification Equipment operating in the band 865 MHz to 868 MHz with power levels up to 2 W; Part 1: Technical requirements and methods of measurement
ETSI EN 302 208-1 V1.1.1 (2004-07)

The present document covers the minimum characteristics considered necessary in order to make the best use of the available frequencies. It does not necessarily include all the characteristics that may be required by a user, nor does it necessarily represent the optimum performance achievable. Radio frequency identification products covered within the present document are considered by definition short-range devices. Power limits up to a maximum e.r.p. of 2 W are specified for this equipment in the frequency range 865 MHz to 868 MHz.
The present document applies to RFID interrogators and tags operating together as a system. The interrogators transmit within 200 kHz sub-bands using a modulated carrier. The tags respond with a modulated signal. Interrogators may be used with either integral or external antennas.
Electromagnetic Compatibility (EMC) requirements are covered by EN 301 489-1 [4] and EN 301 489-3 [7]. The types of equipment covered by the present document are as follows:
• fixed interrogators;
• hand portable interrogators;
• batteryless tags;
• battery assisted tags;
• battery powered tags.

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SIST EN 302 842-3 V1.1.1:2006(Main)
Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground and air-air Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for aeronautical mobile (airborne) equipment; Part 3: Additional broadcast aspects
ETSI EN 302 842-3 V1.1.1 (2005-05)

The present document provides part 3 of the technical specifications for Very High Frequency (VHF) Digital Link (VDL) Mode 4 aeronautical mobile (airborne) radio transmitters, transceivers and receivers for air-ground and air-air communications operating in the VHF band, using Gaussian Filtered Frequency Shift Keying (GFSK) modulation with 25 kHz channel spacing and capable of tuning to any of the 25 kHz channels from 118,000 MHz to 136,975 MHz as defined in ICAO VDL SARPs [2]. The present document is designed to ensure that equipment certified to it will be compatible with the relevant ICAO VDL SARPs [2] and ICAO VDL4 Technical Manual [1]. Manufacturers should note that in future the tuning range for the transmitter may also cover any 25 kHz channel from 112,000 MHz to 117,975 MHz and the receiver(s) may cover any 25 kHz channel from 108,000 MHz to 117,975 MHz. The present document applies to "aeronautical mobile (airborne and in some cases ground vehicles)" equipment which will hereinafter be referred to as "mobile" equipment.
The scope of the present document is limited to mobile stations. The equivalent specification for ground stations is EN 301 842 [9]. A description of the scope of the VDL Mode 4 system is provided in part 2 of these technical specifications (see
EN 302 842-2 [5] clause 1). EN 302 842-1 [4] deals with tests of the physical layer. EN 302 842-2 [5] deals with tests of the link layer sufficient to support broadcast functionality including requirements and tests sufficient to recognize and respond to transmissions associated with point-to-point communication. The present document provides technical specifications for a VDL Mode 4 mobile transceiver supporting a full Automatic Dependent Surveillance - Broadcast (ADS-B) capability and,
optionally, the additional functionality of either, or a combination of, the following services:
• Traffic Information Service - Broadcast (TIS-B);
• Flight Information Service - Broadcast (FIS-B);
• GNSS Augmentation Service - Broadcast (GNS-B).
The TIS-B, FIS-B, or GNS-B reception processing functionality in the airborne equipment is expected to be provided by a TIS-B, FIS-B or GNS-B processor, which could be contained within the VDL Mode 4 transceiver, but could also be housed in a separate physical unit. Therefore to support TIS-B, FIS-B or GNS-B message reception, the minimum functionality demanded of a basic VDL Mode 4 airborne transceiver unit (i.e. one that does not have a TIS-B, FIS-B or GNS-B processor housed within it) is to pass to the TIS-B, FIS-B or GNS-B processor, all TIS-B, FIS-B or GNS-B messages received. As the measured values of equipment performance may be a function of the method of measurement, standard test conditions and methods of test are recommended in the present document.

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SIST EN 301 842-1 V1.2.1:2006(Main)
Electromagnetic compatibility and Radio spectrum Matters (ERM); VHF air-ground Digital Link (VDL) Mode 4 radio equipment; Technical characteristics and methods of measurement for ground-based equipment; Part 1: EN for ground equipment
ETSI EN 301 842-1 V1.2.1 (2005-04)

The present document provides part 1 of the technical specifications for Very High Frequency (VHF) Digital Link (VDL) Mode 4 ground-based radio transmitters and receivers for air-ground communications operating in the VHF band, using Gaussian-filtered Frequency Shift Keying (GFSK) Modulation with 25 kHz channel spacing and capable of tuning to any of the 25 kHz channels from 118,000 MHz to 136,975 MHz as defined in ICAO VHF Digital Link (VDL) Standards and Recommended Practices (SARPs) [2]. The present document is designed to ensure that equipment certified to it will be compatible with the relevant ICAO VHF Digital Link (VDL) Standards and Recommended Practices (SARPs) [2] and VDL Mode 4 Technical Manual (TM) [1].
Manufacturers should note that in future the tuning range for the ground transceivers may also cover any 25 kHz channel from 108,000 MHz to 117,975 MHz. The scope of the present document is limited to ground stations. The equivalent specification for airborne stations is EN 302 842 [8].
The VDL Mode 4 system provides digital communication exchanges between aircraft and ground-based systems and other aircraft supporting surveillance and communication applications. The supported modes of communication include:
• broadcast and point-to-point communication;
• broadcast services including Automatic Dependent Surveillance - Broadcast (ADS-B), Traffic Information Service - Broadcast (TIS-B) and Flight Information Service - Broadcast (FIS-B) capabilities;
• air-air, air-to-ground, and ground-to-air services;
• operation without ground infrastructure.
The present document is derived from the specifications:
• VDL Mode 4 standards produced under the auspices of the International Civil Aviation Organization (ICAO) [1] and [2].
• Other relevant standards as defined in clause 2.
It is envisaged that manufacturers may provide equipment supporting:
• broadcast services only;
• point-to-point services only;
• both broadcast and point-to-point services.
The present document deals with tests of the physical layer necessary to support all types of equipment. The present document includes:
• Clause 2 provides references to relevant documents.
• Clause 3 provides general definitions, abbreviations and symbols used.
• Clause 4 provides refers to a general description and architecture of VDL Mode 4 contained in EN 301 842-2 [7].
• Clause 5 provides functional specifications applicable to the physical layer including transmitter/receiver requirements and the modulation scheme.
• Clause 6 provides general equipment requirements.
• Clause 7 provides general design requirements.
• Clause 8 covers general test conditions, environmental tests and calibration.
• Clause 9 provides detailed test procedures for the physical layer.
The full physical layer tests are provided which correspond closely to the standard set of tests used for other VDL systems.
Mandating and Recommendation Phrases
a) "Shall"
The use of the word "Shall" indicates a mandated criterion; i.e. compliance with the particular procedure or specification is mandatory and no alternative may be applied.
b) "Should"
The use of the word "Should" (and phrases such as "It is recommended that...", etc.) indicate that though the procedure or criterion is regarded as the preferred option, alternative procedures, specifications or criteria may be applied, provided that the manufacturer, installer or tester can provide information or data to adequately support and justify the alternative.

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