Spectrum Requirement Planning in Wireless Communications Spectrum Requirement Planning in Wireless Communications: Model and Methodology for IMT-Advanced E dite d by H. Takagi and B. H. Walke © 2008 J ohn Wiley & Sons , L td. ISBN: 978-0-470-98647-9 WileySeriesonWirelessCommunicationsandMobileComputing SeriesEditors: DrXuemin(Sherman)Shen,UniversityofWaterloo,Canada DrYiPan,GeorgiaStateUniversity,USA The “Wiley Series on Wireless Communications and Mobile Computing” is a series of comprehensive,practicalandtimelybooksonwirelesscommunicationandnetworksystems. The series focuses on topics ranging from wireless communication and coding theory to wirelessapplicationsandpervasivecomputing.Thebooksofferengineersandothertechnical professionals, researchers,educators, and advancedstudents in these fields with invaluable insightintothelatestdevelopmentsandcutting-edgeresearch. Othertitlesintheseries: Misic and Misic: Wireless Personal Area Networks: Performance, Interconnections and SecuritywithIEEE802.15.4,January2008,978-0-470-51847-2 Perez-Fontan and Espin˜eira: Modeling the Wireless Propagation Channel: A Simulation ApproachwithMatlab,August2008,978-0-470-72785-0 Ippolito: Satellite Communications Systems Engineering: Atmospheric Effects on Satellite LinkDesignandSystemPerformance,September2008,978-0-470-72527-6 Myung:IntroductiontoSingleCarrierFDMA,October2008,978-0-470-72449-1 Qian,MullerandChen:SecurityinWirelessNetworksandSystems,May2009, 978-0-470-51212-8 Stojmenovic:WirelessSensorandActuatorNetworks:AlgorithmsandProtocolsforScalable CoordinationandDataCommunication,July2009,978-0-470-17082-3 Spectrum Requirement Planning in Wireless Communications Model and Methodology for IMT-Advanced Hideaki Takagi University of Tsukuba, Japan Bernhard H. 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Contents AbouttheSeriesEditors xi Preface xiii 1 Introduction 1 BernhardH.WalkeandHitoshiYoshino 1.1 TrendsinMobileCommunication . . . . . . . . . . . . . . . . . . . . . . . 1 1.1.1 Mobileapplicationsandservices . . . . . . . . . . . . . . . . . . . . 1 1.1.2 Radiointerfacetechnologies . . . . . . . . . . . . . . . . . . . . . . 3 1.1.3 Standardization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.2 TrendsinSpectrumUsage . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.2.1 Physicalpropertiesofradiospectra . . . . . . . . . . . . . . . . . . 14 1.2.2 Spectrumallocationandidentification . . . . . . . . . . . . . . . . . 16 1.2.3 Flexibleuseofspectrum . . . . . . . . . . . . . . . . . . . . . . . . 17 1.3 SpectrumAllocation:WhyandHow . . . . . . . . . . . . . . . . . . . . . . 19 1.3.1 Requirementestimationforallocation . . . . . . . . . . . . . . . . . 19 1.3.2 Methodofestimation . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2 UtilizationofRadioFrequencies 21 HitoshiYoshino,NaotoMatoba,PekkaOjanenandBernhardH.Walke 2.1 SpectrumUsageOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2.1.1 VLFband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2.1.2 LFband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.1.3 MFband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2.1.4 HFband. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.1.5 VHFband. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2.1.6 UHFband. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.1.7 SHFband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.1.8 EHFband . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2.2 SpectrumManagementbyITU . . . . . . . . . . . . . . . . . . . . . . . . . 26 2.3 RadioCommunicationServices . . . . . . . . . . . . . . . . . . . . . . . . 33 2.3.1 Mobileservice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 2.3.2 Broadcastingservice . . . . . . . . . . . . . . . . . . . . . . . . . . 33 2.3.3 Fixedservice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 2.3.4 Fixedandmobilesatelliteservices . . . . . . . . . . . . . . . . . . . 34 vi CONTENTS 2.4 RadioCommunicationSystems. . . . . . . . . . . . . . . . . . . . . . . . . 35 2.4.1 Cellularsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 2.4.2 Wirelesslocalareanetworks . . . . . . . . . . . . . . . . . . . . . . 40 2.4.3 Terrestrialbroadcasting. . . . . . . . . . . . . . . . . . . . . . . . . 42 2.4.4 Short-rangecommunications . . . . . . . . . . . . . . . . . . . . . . 44 3 SpectrumRequirementCalculationforIMT-2000 45 HideakiTakagi 3.1 Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.1.1 Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.1.2 Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.1.3 Directionoflinks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 3.1.4 Region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.1.5 FlowchartofmethodologyforIMT-2000 . . . . . . . . . . . . . . . 49 3.2 InputParameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.2.1 Geographicparameters . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.2.2 Personaltrafficparameters . . . . . . . . . . . . . . . . . . . . . . . 53 3.2.3 Radiosystemparameters . . . . . . . . . . . . . . . . . . . . . . . . 55 3.3 Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 3.3.1 Calculationofofferedtraffic . . . . . . . . . . . . . . . . . . . . . . 57 3.3.2 Erlang-BandErlang-Cformulas . . . . . . . . . . . . . . . . . . . . 60 3.3.3 Determinationofrequiredspectrum . . . . . . . . . . . . . . . . . . 64 3.3.4 Weightingandadjustment . . . . . . . . . . . . . . . . . . . . . . . 67 3.4 SequeltotheStory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4 SpectrumRequirementCalculationforIMT-Advanced 73 Marja Matinmikko, Jo¨rg Huschke, Tim Irnich, NaotoMatoba, Jussi Ojala, PekkaOjanen,HideakiTakagi,BernhardH.WalkeandHitoshiYoshino 4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 4.1.1 LimitationofmethodologyforIMT-2000 . . . . . . . . . . . . . . . 74 4.1.2 DevelopmentofmethodologyforIMT-Advanced . . . . . . . . . . . 75 4.1.3 ITUpreparationforWRC-07. . . . . . . . . . . . . . . . . . . . . . 76 4.1.4 FlowchartofmethodologyforIMT-Advanced . . . . . . . . . . . . 76 4.2 ModelsandInputParameters . . . . . . . . . . . . . . . . . . . . . . . . . . 79 4.2.1 Servicecategories . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 4.2.2 Serviceenvironments . . . . . . . . . . . . . . . . . . . . . . . . . . 82 4.2.3 Radioenvironments . . . . . . . . . . . . . . . . . . . . . . . . . . 82 4.2.4 Radioaccesstechniquegroups . . . . . . . . . . . . . . . . . . . . . 83 4.3 Methodology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 4.3.1 Calculationoftrafficdemandfrommarketdata . . . . . . . . . . . . 85 4.3.2 Trafficdistribution . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 4.3.3 Calculationofofferedtraffic . . . . . . . . . . . . . . . . . . . . . . 90 4.3.4 Requiredcapacityforcircuit-switchedservicecategories . . . . . . . 92 4.3.5 Requiredcapacityforpacket-switchedservicecategories . . . . . . . 94 4.3.6 Spectrumresults . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 4.4 SummaryofMethodologyforIMT-Advanced . . . . . . . . . . . . . . . . . 98 CONTENTS vii 5 CalculationToolPackage 101 MarjaMatinmikko,Jo¨rgHuschkeandJussiOjala 5.1 DescriptionandUseofSoftwareTool . . . . . . . . . . . . . . . . . . . . . 101 5.2 FrontSheetofSoftwareTool . . . . . . . . . . . . . . . . . . . . . . . . . . 102 5.3 InputstoSoftwareTool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 5.4 IntermediateCalculationSteps . . . . . . . . . . . . . . . . . . . . . . . . . 107 5.5 OutputsfromSoftwareTool . . . . . . . . . . . . . . . . . . . . . . . . . . 110 6 MarketData 113 MarjaMatinmikkoandMitsuhiroAzuma 6.1 CollectionofMarketData . . . . . . . . . . . . . . . . . . . . . . . . . . . 114 6.1.1 Questionnaireonservicesandmarket . . . . . . . . . . . . . . . . . 114 6.1.2 Exampleofenvisagedapplications. . . . . . . . . . . . . . . . . . . 116 6.1.3 Overviewoffuturemobiletelecommunicationmarket . . . . . . . . 119 6.2 UseofMarketParametersintheMethodology . . . . . . . . . . . . . . . . . 120 6.2.1 Userdensity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 6.2.2 Sessionarrivalrateperuser . . . . . . . . . . . . . . . . . . . . . . 121 6.2.3 Averagesessionduration . . . . . . . . . . . . . . . . . . . . . . . . 121 6.2.4 Meanservicebitrate . . . . . . . . . . . . . . . . . . . . . . . . . . 121 6.2.5 Mobilityratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 6.3 AnalysisofCollectedMarketData . . . . . . . . . . . . . . . . . . . . . . . 123 6.3.1 Generalprocess . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 6.3.2 Listapplicationsandservices . . . . . . . . . . . . . . . . . . . . . 124 6.3.3 Specifytrafficattributevaluesforservices . . . . . . . . . . . . . . . 124 6.3.4 Specifymarketattributevaluesforservices . . . . . . . . . . . . . . 124 6.3.5 Mapservicesintoservicecategories . . . . . . . . . . . . . . . . . . 124 6.3.6 Calculatemarketstudyparametervaluesforinputtomethodology . . 126 6.4 ExampleInputMarketParameterValueSet . . . . . . . . . . . . . . . . . . 129 7 Radio-RelatedInputParameters 133 MarjaMatinmikko,PekkaOjanenandJussiOjala 7.1 RATGroupApproach. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 7.1.1 JustificationforRATgroupapproach . . . . . . . . . . . . . . . . . 134 7.1.2 DefinitionofRATgroups . . . . . . . . . . . . . . . . . . . . . . . 135 7.1.3 UsageofRATgroups. . . . . . . . . . . . . . . . . . . . . . . . . . 136 7.2 UseofRadioParametersintheMethodology . . . . . . . . . . . . . . . . . 136 7.2.1 Cellarea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 7.2.2 Applicationdatarate . . . . . . . . . . . . . . . . . . . . . . . . . . 137 7.2.3 Spectralefficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 7.2.4 Minimumspectrumdeploymentperoperatorperradioenvironment . 139 7.2.5 Numberofoverlappingnetworkdeployments . . . . . . . . . . . . . 140 7.2.6 Otherradioparameters . . . . . . . . . . . . . . . . . . . . . . . . . 140 7.2.7 Relationsofradioparameters . . . . . . . . . . . . . . . . . . . . . 141 viii CONTENTS 7.3 ExampleInputRadioParameterValueSet . . . . . . . . . . . . . . . . . . . 142 7.3.1 Radioparameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142 7.3.2 Populationcoveragepercentageandtrafficdistributionratio . . . . . 145 8 NumericalExamples 149 TimIrnich,MarjaMatinmikko,JussiOjalaandBernhardH.Walke 8.1 PacketSizeStatisticsandQoSRequirements . . . . . . . . . . . . . . . . . 150 8.2 TrafficDemandDerivedfromMarketData. . . . . . . . . . . . . . . . . . . 151 8.2.1 Userdensity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151 8.2.2 Sessionarrivalrateperuser . . . . . . . . . . . . . . . . . . . . . . 151 8.2.3 Averagesessionduration . . . . . . . . . . . . . . . . . . . . . . . . 152 8.2.4 Meanservicebitrate . . . . . . . . . . . . . . . . . . . . . . . . . . 153 8.2.5 Mobilityratios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 8.3 TrafficDistributionRatios . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 8.4 OfferedTrafficperRATGroupandRadioEnvironment . . . . . . . . . . . . 156 8.5 RequiredSystemCapacity . . . . . . . . . . . . . . . . . . . . . . . . . . . 158 8.6 RequiredSpectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163 9 CapacityDimensioningtoMeetDelayPercentileRequirements 167 TimIrnichandBernhardH.Walke 9.1 DelayPercentileEvaluation. . . . . . . . . . . . . . . . . . . . . . . . . . . 168 9.2 ServiceTimeDistributioninIP-BasedCommunicationSystems . . . . . . . 170 9.3 WaitingTimeDistributioninM/G/1Queues . . . . . . . . . . . . . . . . . . 171 9.3.1 Waitingtimeundermulti-modalservicetimedistribution . . . . . . . 172 9.3.2 Influenceofnonpreemptiveprioritydiscipline . . . . . . . . . . . . . 174 9.3.3 Waitingtimeapproximationbasedondegeneratedhyperexponential distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 9.3.4 Waitingtimeapproximationbasedongammadistribution . . . . . . 179 9.4 DelayDFApproximation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 9.5 AccuracyofGammaandH Approximations . . . . . . . . . . . . . . . . . 181 2 9.5.1 Approximationforhighpriorityclass . . . . . . . . . . . . . . . . . 181 9.5.2 Approximationformediumandlowpriorityclasses . . . . . . . . . 184 9.6 ImpactofPercentileRequirementsonSystemCapacity . . . . . . . . . . . . 189 9.7 Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 10 Epilog:ResultofWRC-07 193 HitoshiYoshino Appendices 199 AppendixA DerivationofFormulasbyQueueingTheory 201 HideakiTakagi A.1 Erlang-BFormulaforaLossSystem . . . . . . . . . . . . . . . . . . . . . . 202 A.2 Erlang-CFormulaforaDelaySystem . . . . . . . . . . . . . . . . . . . . . 204 CONTENTS ix A.3 MultidimensionalErlang-BFormula . . . . . . . . . . . . . . . . . . . . . . 207 A.3.1 Twoclassesofcallswithsingleserveroccupation . . . . . . . . . . . 207 A.3.2 Severalclassesofcallswithmultipleserveroccupation . . . . . . . . 211 A.4 M/G/1NonpreemptivePriorityQueue . . . . . . . . . . . . . . . . . . . . . 215 AppendixB ExampleMarketStudyParameterValues 219 AppendixC ListofAcronymsandSymbols 227 C.1 Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 C.2 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 AppendixD ITU-RDocumentsandWebSites 241 D.1 ITU-RRecommendations. . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 D.2 ITU-RReports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 D.3 OtherITU-RDocuments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 D.4 WebSites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 Bibliography 245 Index 247 About the Series Editors Xuemin (Sherman) Shen (M’97-SM’02) received a B.Sc degree in electricalengineeringfromDalianMaritimeUniversity,Chinain1982, and M.Sc and Ph.D degrees (both in electrical engineering) from Rutgers University, New Jersey, USA, in 1987 and 1990, respectively. He is a Professor and University Research Chair, and the Associate Chair for Graduate Studies, Department of Electrical and Computer Engineering, University of Waterloo, Canada. His research focuses on mobility and resource management in interconnected wireless/wired networks, UWB wireless communications systems, wireless security, and ad hoc and sensor networks. He is a co-author of three books, and has published more than 300 papers and book chapters in wireless communications and networks, control and filtering. Dr Shen serves as a Founding Area Editor for IEEE Transactions on Wireless Communications; Editor-in-Chief for Peer-to-Peer Networking and Application; Associate Editor for IEEE Transactions on Vehicular Technology; KICS/IEEE Journal of Communications and Networks, Computer Networks; ACM/Wireless Networks; and Wireless Communications and Mobile Computing (Wiley), etc. He has also served as GuestEditorforIEEEJSAC, IEEEWirelessCommunications,and IEEECommunications Magazine. Dr Shen received the Excellent Graduate Supervision Award in 2006, and the Outstanding Performance Award in 2004 from the University of Waterloo, the Premier’s ResearchExcellenceAward(PREA)in2003fromtheProvinceofOntario,Canada,andthe Distinguished Performance Award in 2002 from the Faculty of Engineering, University of Waterloo.DrShenisaregisteredProfessionalEngineerofOntario,Canada. DrYiPanistheChairandaProfessorintheDepartmentofComputer Science at Georgia State University, USA. Dr Pan received his B.Eng andM.EngdegreesincomputerengineeringfromTsinghuaUniversity, China,in1982and1984,respectively,andhisPh.Ddegreeincomputer science from the University of Pittsburgh, USA, in 1991. Dr Pan’s research interests include parallel and distributed computing, optical networks,wirelessnetworks,andbioinformatics.DrPanhaspublished morethan100journalpaperswithover30paperspublishedinvarious IEEEjournals.Inaddition,hehaspublishedover130papersinrefereed conferences (including IPDPS, ICPP, ICDCS, INFOCOM, and GLOBECOM). He has also co-edited over 30 books. Dr Pan has served as an editor-in-chief or an editorial