Wireless Communications-Andrea Goldsmith .pdf

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1、WIRELESSCOMMUNICATIONSAndreaGoldsmithStanfordUniversityThepossessionofknowledgedoesnotkillthesenseofwonderandmystery.Ana¨ısNinCopyrightc2005byCambridgeUniversityPress.Thismaterialisincopyright.Subjecttostatutoryexceptionandtotheprovisionsofrelevantcollec

2、tivelicensingagreements,noreproductionofanypartmaytakeplacewithoutthewrittenpermissionofCambridgeUniversityPress.Contents1OverviewofWirelessCommunications11.1HistoryofWirelessCommunications.................................11.2WirelessVision...............

3、.............................41.3TechnicalIssues............................................51.4CurrentWirelessSystems.......................................71.4.1CellularTelephoneSystems.................................71.4.2CordlessPhones...............

4、........................111.4.3WirelessLANs........................................121.4.4WideAreaWirelessDataServices..............................131.4.5BroadbandWirelessAccess.................................141.4.6PagingSystems........................

5、................141.4.7SatelliteNetworks......................................151.4.8Low-CostLow-PowerRadios:BluetoothandZigbee....................151.4.9UltrawidebandRadios....................................161.5TheWirelessSpectrum......................

6、..................171.5.1MethodsforSpectrumAllocation..............................171.5.2SpectrumAllocationsforExistingSystems.........................181.6Standards...............................................192PathLossandShadowing242.1RadioWavePropa

7、gation.......................................252.2TransmitandReceiveSignalModels.................................262.3Free-SpacePathLoss.........................................282.4RayTracing..............................................292.4.1Two-RayMod

8、el.......................................302.4.2Ten-RayModel(DielectricCanyon).............................332.4.3GeneralRayTracing.....................................342.4.4LocalMeanReceivedPower..................