lmfupe wattnow webibar 20 2020 finall · 2020. 8. 24. · tvws: geo-location spectrum databases –...
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TVWS: Geo-location Spectrum Databases – SA Context
–A CSIR 5G Play AreaDr. Luzango Mfupe: Principal Researcher, CSIR
Adjunct Prof., Nelson Mandela African Institution of Science and TechnologyVice Chair IEEE DySPAN-SC 1900.6
Ref.JulyIssue:“TelevisionWhitespaces”,Pages:24-30A.Lysko,F.Nelwamondo,L.Mfupe
WattnowMagazineTechTalk,20August2020
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Contents Outline
1. Timeline of the TVWS Framework Development2. Supporting Policy, Regulations, Recommendations & Standards3. Regulations on the Use of TVWS, 20184. Geo-location Spectrum Databases5. Development of the ICASA TVWS Technical Model6. Reference Geo-location Spectrum Database (R-GLSD)7. Secondary Geo-location Spectrum Database (S-GLSD)8. WSD Type Approval9. Qualification Framework for S-GLSD Providers10. Ongoing TVWS Deployments – Post 201811. Recap: The South African TVWS Ecosystem12. South African TVWS Value Chain13. Global Footprint of the CSIR’s GLSD Technology14. Available Opportunities
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Timeline of the TVWS Framework Development
11/12 2013 2014 2015 2016 2017 2018 2019 2020 2021
FirstTVWSTechnologyTrialinWesternCape(CSIR,Google&others)
CSIRDevelopsaPrototypeGLSDtobeusedforTVWSResearchandTechnologyTrials
SecondTVWSTechnologyTrialinLimpopo(CSIR,Microsoft&others)
ICASAPublishesDiscussionPaper
CSIR’sGLSDQualifiedbyOFCOMtoProvideTVWSServicesintheUK
PositionPaperOnDynamicAndOpportunisticSpectrumManagement
1. TVWSRegulationspublished
2. ICASAissuesaTendertoDevelop,hostandmanageICASAReferenceGLSD(R-GLSD)
1. ICASAR-GLSDCommissioned
2. FirstcompliantS-GLSDDevelopedandHostedbyCSIR
3. Pre-commercialTVWSTrialsCommences
4. ICASAPublishesDraftFrameworkforQualificationofS-GLSDProviders
1. ICASAPublishesFinalFrameworktoQualifyS-GLSDproviders
2. ICASAissuesCOVID-19TVWSlicensestothree(3)networkoperators
3. Pre-commercialTVWSTrialsContinues
1:Pre-commercialTVWSTrialsCommences
2:CommercialTVWSDeployments01/04/2021
10YearsintheMaking!
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SupportingPolicy,Regulations,Recomms &Standards
KeyInputstotheRegulationsontheUseofTVWS,2018:• NationalBroadbandPolicy(SACONNECT),2013• RadioFrequencySpectrumRegulations(RFSR)of2011,asAmended• NationalRadioFrequencyPlan(NRFP)of2018• TerrestrialBroadcastFrequencyPlan(TBFP)of2013• TypeApprovalRegulationsof2013• AstronomyGeographicAdvantage(AGA)ActNo.21of2017• ITU-RRA.769-2• SARAS,2011• ITU-RP.1812• ITU-RP.452• ITU-RP.1411• ITU-RP.1546• ITUGEO6• ETSIEN301598• IETFPAWSRFC7545
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RegulationsontheuseofTVWS,2018(1/2)
TVWSFrequencyRange:470MHzto694MHzExcludingtheRadioAstronomysub-band (606-614MHz),
a.k.aChannel38
Highlights:Reg3:CharacteristicsofWSDsReg4:WSDAuthorisation(i.e.,TypeApproval)Reg5:AvoidanceofHarmfulInterferenceReg8:LocationSpecificEIRPS(i.e.,Urban/RuralClassifications)Reg10:S-GLSDAccessReg16:ResponsibilityofR-GLSD&S-GLSDOperators.subsec(2):QualificationofS-GLSDProviderssubsec(4):S-GLSDServiceFees
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Regulations on the use of TVWS, 2018 (2/2)
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Geo-location Spectrum Databases (GLSDs)
• A GLSD system uses complex technicalmodels to translate the governingspectrum sharing regulations andapplicable standards (Ruleset) in a geo-location of interest protecting theincumbents from harmful interferencewhile determining the availability of WhiteSpace (WS) and present it in a humanand machine readable list.
• Technical models to determine WSavailability varies from one country toanother/jurisdictions.
Mfupe, L., Mekuria, F., Mzyece, M, “Geo-location WhiteSpace Spectrum Database: Models and Design of South Africa’sFirst Dynamic Spectrum Access Coexistence Manager”, KSIITransaction on Internet and Information Systems, 2014
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Development of the ICASA TVWS Technical Model (1/3)
• ICASA entered into a research collaboration with CSIR to develop the TVWS technical model
• CSIR developed the prototype South Africa GLSD for TVWS use during technology trials and research purposes
• Relied on well researched, tested, international best practices, and standardised propagation prediction models
• Applied the model and cross-validated with measured coverage in TVWS trials in Western Cape and Limpopo in South Africa
• Correctness of results verified by ICASA and broadcasters
• The technical model was used to develop the R-GLSD and S-GLSD compliant to the TVWS Regulations of 2018
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Mfupe, L., Mekuria, F., Mzyece, M, “Multi-criteria Decision Analysis of SpectrumManagement Frameworks for Futuristic Wireless Networks: The Context ofDeveloping Countries”, Mobile Information Systems, 2017
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Development of the ICASA TVWS Technical Model (2/3)
9FCCTVWSModel Ofcom-UKTVWSModel
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Development of the ICASA TVWS Technical Model (3/3)
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Reference Geo-location Spectrum Database (R-GLSD) (1/3)
“R-GLSD performs baseline calculations for the countrywide TVWS availability maps and generates
Operational Parameters for WSDs, for setting regulatory limits”
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Reference Geo-location Spectrum Database (R-GLSD) (2/3)
OperatedbyICASA OperatedbyQualifiedS-GLSDProviders
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Reference Geo-location Spectrum Database (R-GLSD) (3/3)
https://tvwhitespaces.icasa.org.za
https://tvwhitespaces.icasa.org.za
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Secondary Geolocation Spectrum Database (S-GLSD) (1/3)
“A GLSD operated by certified GLSD operators designated by the Authority to provide GLSD services to end users”
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Secondary Geo-location Spectrum Database (S-GLSD) (2/3)
https://whitespaces.csir.co.za
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Secondary Geo-location Spectrum Database (S-GLSD) (3/3)
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WSD Type Approval
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Two-StageProcedure:1:EMCConformanceAssessment
- DonethroughanAccreditedTestLab(ATL)• EfficientuseofSpectrum- ETSIEN301598• EMC- ETSIEN301598• ElectricalSafety- IEC/EN60950or62368-1
2:S-GLSDConnectivityConformanceAssessment- DonethroughaCompliantS-GLSDProvider
• Ref.Reg 4:WSDAuthorisation• Ref.Reg 10:S-GLSDAccess• PAWSRFC7545Ruleset:ICASATVWS-2018
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S-GLSD Providers Qualification Framework
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• Ref. Reg 16 sub sec (2): Qualification of S-GLSD Providers– TheFrameworkisnowready,itwaspublishedbyICASAintheGov.gazetteonthe:05/06/2020
– AnticipatedcommencementofcommercialTVWSdeploymentsinthecountry:01/04/2021J
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Ongoing TVWS Deployments – Post 2018
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1: COVID-19 Authorisations: – ICASAhasissuedthree(3)TVWSnetworklicensesundertheCOVID-19
ICTnationaldisasterregulations(i.e.,Morai Solutions,Mthinte Communications,LevinGloba/AABA)
2: Pre-Commercial Trial Authorisations:– ICASAhasissuedatleastthree(3)TVWSnetworklicenses(i.e.,WAPA/USTDA,Morai Solutions,Africanopy)
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Recap: The South African TVWS Ecosystem
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South African TVWS Value Chain
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Global Footprint of the CSIR’s GLSD Technology (1/2)
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COUNTRY PATENT NUMBER
STATUS YEAR GRANTED
United Kingdom 2522927 Granted 2016
R.S.A. 2015/00687 Granted 2016
ARIPO AP3951 Granted 2017
Nigeria RP: F/P/2015/27 Granted 2016
OAPI 17255 Granted 2017
Mfupe, L., Mekuria, F, Montsi, L. “A Method and System: Back-Tracking ForwardLooking (BTFL) Dynamic Channel Allocation Mechanism for White Space RadioNetworks”, 2016.
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The CSIR’s GLSD technology is used in several other countries globally
Global Footprint of the CSIR’s GLSD Technology (2/2)
Certified to operate in UK since 2016
Cyprus Ghana
Tanzania Botswana
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Available Opportunities
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• Licensing of the CSIR GLSD technology• Remote API access to the CSIR GLSD Calculation Engine:
Ø InputtoyourTVWSnetworkplanningtoolØ PoweringyourownGLSDFront-End
• WSD Type Approvals• TVWS network planning and deployments• Supporting SMMEs and rural TVWS network operators• Co-creation of new applications, use cases and services• Co-creation of new innovative business models
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Key Stakeholders
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1. ICASA2. DSI3. DCTD4. TIA5. UN6. SMMEs 7. WAPA8. JSAC9. OEMs10. HEIs