gsc lunchtime sessions rcc - gscoalition.org€¦ · gsc position: establish provisions for...
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GSCLunchtimeSessions
RCCWRC-19AgendaItems:1.5,1.13,10,9.1.7
GSCPositionAgendaItem1.5
ESIMs
OptimizingtheUseofExistingSatelliteSpectrumtomeetgrowingdemandfornewsatelliteservices
GSCPosition:Establishprovisionsforaeronautical,maritime,landESIMoperationswithinGSOFSSnetworksat17.7-19.7GHz&27.5-29.5GHz,withtechnical®ulatory
protectionmechanismsfortheFSS,FS,MSS&EESSoperations
Resolution156adoptedatWRC-15Recognizestheneedforglobalbroadbandmobile-satellitecommunications
ESIMscommunicatingwithFSSspace
stations
AI1.5(Resolution158)RegulatedoperationofESIMstomeetincreasingdemandformobilityapplications
AI1.5ESIMsintheFSSKa-band
Demandforsatellitemobilityapplications
AeronauticalMarket:• 100+commercialairlinesofferIFC=a$40Bopportunityforairlinesby2035
• 8200+commercialaircraftconnected
• Connectingpassengers.Reducingfuelconsumption&delays.Improvingrouteplanning.
MaritimeMarket:• 20000VSATenabledvessels(75000by2028)• Drivers:crew&passengerconnectivity,moresensors/applicationsforoperationalvesselmonitoring,routeplanning&vesseltracking,autonomousvessels.
2015
2016
2017
2018
2019
AI1.5:ESIMsintheFSSKa-Band
AI1.5ESIMsintheFSSKa-band
u Proposalsfromregionalgroups:CITEL(doc11);RCC(doc12);CEPT(doc16);APT(doc24);ATU(doc46);ASMG(doc29)+variousmulti-countryandindividualcountryproposals
u Commonelements:
⇒ GeneralsupportfornewResolutiontoaddressESIMin17.7-19.7GHz&27.5-29.5GHz
⇒ OperationofESIMwithinenvelopeofGSOFSSnetworkcharacteristics&verificationofcompliancewithenvelopebyBR(basedonCR/Cornotifiednetworkdata)
⇒ 70kmoff-shoredistanceformaritimeESIMinwhichprioragreementfromcoastalstateisneededtooperate
⇒ SharingbetweenGSOESIMs&non-GSOFSSornon-GSOMSSfeederlinkstobebasedonexistingcoordinationprocedures
Someelementsstillneedtoberesolved
AI1.5-ESIMsElementstoberesolved,1
1/TechnicalrequirementsforA-ESIM(pfdlimitvalues,possiblealtitudelimit)u GSCsupports“Option1”pfdlimits(basedonresultsofsharingstudieswithterrestrial
services,including5G)
u Altitudelimitisnotnecessary,providedOption1pfdlimitsareadopted¬ifyingadministrationsprovideacommitmentofcompliance.
u GSChasmajorconcernswithfeasibilityforBRtoruncompliancecheckwithpfdlimit.ComplianceshouldbeaconditionofESIMauthorization.
2/ReferencebandwidthforESIMEIRPlimits(1MHzreferencebandwidthor14MHzreferencebandwidth)
u GSCsupports14MHzreferencebandwidth:smallestbandwidthforterrestrialservicereceivers.HencetheEIRPlimittowardsthehorizonforM-ESIMis24.44dB(W/14MHz).A-ESIMpfdlimitshouldbeexpressedin14MHzreferencebandwidthtoavoidunnecessarilyrestrictivelimitsonA-ESIMoperation.
3/Conditionsforsharingwithnon-GSOFSSandnon-GSOMSSfeederlinks
u GSCsupportsinclusionESIMpowerlimitsonlyin27.5-28.6GHz,coordinationunder9.11Ain28.6-29.5GHz
4/Annex3guidelines(possibleinclusionofguidelinestotheResolution)
u Annex3isunnecessary:ideasalreadyclearlydefinedinmainbodyofResolution.
5/Statusoftheprotectionlimitsforterrestrialservices(Annex2oftheResolution)
u Maritime&aeronauticalESIMsmeetpfdlimits/minimumoff-shoredistance,toavoidunacceptableinterferencetotheterrestrialservicesoperatinginaccordancewiththeRadioRegulationswithinline-of-sightandonaco-frequencybasis
u CompliancewiththeselimitsshouldbeanecessaryandsufficientconditionforESIMtomeetitsrequirementswithrespecttoterrestrialservices
AI1.5-ESIMsElementstoberesolved,2
AI1.5ESIMsintheFSSKa-band
STUDYASSUMPTIONS:AI1.13in26GHzvsESIMin28GHz
20degreeelevationlimitation(red)
GSCPositionAgendaItem1.13-IMT
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ISSUE Identificationoffrequencybands,amongcandidatebandslistedinResolution238,forfuturedevelopmentofIMT…whilepreservingaccesstosatellitespectrumforexisting&futureusers
AI1.13AdditionalspectrumforIMT
Frequencyband(s) Band(s)CPMReport 24.25-27.5GHz A
31.8-33.4GHz B
37-40.5GHz C
40.5-43.5GHz D&E
45.5-47.2GHz F&G
47.2-50.2GHz&50.4-52.6GHz H&I
66-71GHz J
71-76GHz&81-86GHz K&L
Total:33.25GHz
u ConsiderONLYbandsofRes.238(WRC-15)u Harmonisationofspectrumiskeyu IMTidentificationwithreasonablesharingconditionsbetweenIMT&satellite
services
u Ahugeamountofspectrumhasbeenstudied
u Morethanenoughtofind‘morespectrum’forIMT
u Newidentificationsshouldonlybemadeagainstcertainkeyprinciples
GSCPrinciples
AI1.13:AdditionalspectrumforIMT
TheGSCproposestofocustheIMTidentificationatWRC-19in:
11.25GHzabove24GHzforIMTineachITU-RRegion
u 26GHz:24.25-27.5GHzglobally(3.25GHz)u 40GHz:37-40GHzinRegion2and40.5-43.5GHzinRegions1and3(3GHz)u 66GHz:66-71GHzglobally(5GHz)
⇒ withreasonablesharingconditions&measurestoensureco-existencebetweenIMT&satelliteservices:
Ø Power/pointingconditionsonIMTbasestationstoprotectFSSreceivers,withnoundueconstraintsonIMT
Ø AssistancetoadministrationsindefiningmeasuresforfutureFSSearthstationdeployment
TheGSCrecommendsIMTidentificationsatWRC-19staywithin:
ProposedpowerandpointingconditionsforIMTbasestationsdonotputundueconstraintsonIMT
AI1.13:AdditionalspectrumforIMT
MaxpowerlevelprovidedbyIMT,TRPlimitproposedandRR21.5
IMTbasestationTRPlevels(dBm/200MHz)
37dBm/200MHz(=assumption+margin)
25dBm/200MHz(=assumptionprovidedbyIMTforITUstudies)
TRPlimitproposed=fromRR21.5
MaxpowerlevelprovidedbyIMTforITUstudies
+12dBmarginfromITUstudies
Proposedpower+pointingconditionsforIMTbasestationsdonotputundueconstraintsonIMT
AI1.13:AdditionalspectrumforIMT
IMTbasestationsalltransmitbelowhorizon,withadowntiltangle
XIMTBS
IMTUE
Notransmissionstowardsthesky
Alltransmissionswithdowntiltangle
Horizon
37-39.5GHz 39.5-40GHz 40-40.5GHz 40.5-42GHz 42-43.5GHz
Region1 HDFSS
Region2 HDFSS
Region3 HDFSS
37-39.5GHz 39.5-40GHz 40-40.5GHz 40.5-42GHz 42-43.5GHz
Region1 NoChange IMT
Region2 IMT NoChange
Region3 NoChange IMT
⇒ BandsshouldnotbeidentifiedforIMTinaRegionwhereitisnotintendedforusebyIMT⇒ GlobaleconomiesofscaleforIMTequipmentcanbeachievedthroughidentificationof3
GHzofspectrumforIMTineachITURegion⇒ Thereisnoneedforaglobal6GHzwidebandforIMT
AI1.13:AdditionalspectrumforIMT
HandsetsusedtodayarecanalreadysupportmultiplefrequencybandsANDcanaccommodateregionalbanddifferences
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GSCPositionAgendaItem10
(C-Band)
CrucialIssue u CanIMTreplacetheservicesthatwillbedisplaced?u Doalternativesexisttoprovidetheseservices?
C-bandusagevariesaroundtheworld
Everyregionhasuniqueneeds*Footnote5.429B(WRC-15)
⇒ Onesizedoesnotfitall
WRC-15
200MHzidentifiedforIMTinWRC-15
400MHzidentifiedforIMTbyCEPT
Europe
Africa
200MHzidentifiedforIMTbyAfrica
USA
NoIMTidentification
FSS
3400MHz
3600MHz
4200MHz
IMT-WRC-15
IMT FSS
3800MHz
FSSIMT
3300MHz
IMT-WRC-15
IMT*
RadioNavigation
Government CBRS FSS Under Review by FCC
Source:“WorldwideLicensingandUseofIMTSpectrum”,LStelcom
Amountofspectrumlicensedin
2014
Amountofspectrum
licensedsince2014
Lessthan50%oflicensedspectrumisactuallybeing
usedbyIMTtoday
HarmonisedspectrumforIMTinRegion1
IdentifiedforIMTbyITU
PredictedrequirementsforIMTby2020
LSTelcom:Region1(CIS)
Analysis
C-bandsatelliteapplications
Co-existencebetweenFSSand5Ginadjacentbandsmustbecarefullymanaged
u Satelliteearthstationsareverysensitivetoterrestrialinterference
u 5GsignalscaninterferewithFSSreceiveearthstationsintwoways:Ø SaturatetheLNBoftheearthstation,evenifthe5Gsignalisadjacenttothesatellitesignal
Ø Out-of-Band-Emissions(OOBE)andSpuriousEmissions(SE)ofthe5Gsignalcancausein-bandinterferencetoFSSsignals
u OOBElevelsspecifiedin3GPPstandardsdonotprotectFSSsignalsinadjacentbands
3400MHz
3600MHz
SatelliteSignal
4200MHz
5GSignalLN
BSaturation
Gua
rdBan
d
OOBE
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GSCPositionAgendaItem10
(6-24GHz)Issueu CanIMTreplacetheservicesthatwillbedisplaced?u 33GHzhasjustbeenstudied,shouldevenmorespectrumforIMT
reallybestudied?
TheGSCisoftheviewthatthereisnoneedforanyadditionalspectrumtobeidentifiedforIMT:
u WRC-19,underAI1.13,isexpectedtoidentifymanyGHzofnewspectrumforIMT
u SignificantamountofunlicensedorunusedspectrumisalreadyidentifiedforIMT–⇒ Aroundtheworld,lessthan50%ofavailablespectrumislicensed
u 6-24GHzrangecoverscorebandsforthesatelliteindustry:C-,X,Ku-andKa-band
⇒ Manysatellitesoperateinthesebands=>heavilyusedforapplicationse.g.broadcastingDTH,VSAT,SNG,broadband,security,etc.
AI10ProposalsforIMTin6-24GHz
AnyidentificationofIMTinthe6-24GHzrangewill:Ø InterferewithexistingsatelliteservicesØ NegativelyimpactexistinginvestmentsØ Harmcompetitionbylimitingtheabilityofsatelliteoperatorstomeetthegrowing
demandsofsatelliteusers,includinggovernment
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ISSUEToaddressconcernsraisedwithunauthorisedearthstationswhilepreservingregulatorycertainty&flexibility
GSCPositionAgendaItem9.1.7
-UnauthorizedEarthStations-
AI9.1-Issue9.1.7Unauthorisedearthstations
TheGSCrecognizestheconcernsofadministrationsaffectedbyunauthorizedoperationofearthstationsterminals:
u ReIssue2a(AnnextoResolution958WRC-15):GSCsupportsOption1NOCHANGEtoRadioRegulations(internationalregulatorymeasuresalreadyaddressedappropriatelywithArt18)
u AdditionalRegulatoryMeasureswillnotresolvethisproblemofillegaltransmissions
u ReIssue2b(AnnextoResolution958WRC-15):GSCsupportsITU-Rstudiesonbestpracticesintraining&monitoringanddevelopmentofITUreports/handbooks/capacitybuildingtohelpadministrationstopreventuseof&locateunauthorizeduplinkearthterminals
Thankyou!
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