本书对通信系统的基础理论和关键环节进行了深入分析,力图让学生在讨论中领会通信的精髓。全书首先给出通信系统的梗概及需要研究的关键技术,接着分章详细讨论了随机过程、连续波调制、脉冲调制、基带脉冲传输、信号空间分析、带通数字传输、扩频调制、多用户无线通信、信息论基础和差错控制编码等,各章都附有大量的习题,便于学生实践。书中还给出了很有价值的附录,包括概率论、信号和系统描述、贝塞尔函数、超几何分布函数汇总、密码学方面的介绍以及一些有用的图表等。本书强调通信理论的统计基础,并给出了用MATLAB模拟的8个计算机实验,这些实验几乎覆盖了各章节的主要内容,形成了独特的通信理论“软件实验室”。

BACKGROUNDANDPREVIEW1.TheCommunicatinProcess2.PrimaryCommunicationResources3.SourcesofInformation4.CommunicationNetworks5.CommunicationChannels6.ModulationProcess7.AnalogandDigitalTypesofCommunication8.Shannon'sInformationCapacityTheorem9.ADigitalCommunicationProblem10.HistoricalNotesNotesandReferencesCHAPTER1RandomProcesses1.1Introduction1.2MathematicalDefinitionofaRandomProcess1.3StationaryProcesses1.4Mean,Correlation,andCovarianceFunctions1.5ErgodicProcesses1.6TransmissionofaRandomProcessThroughaLinearTime-InvariantFilter1.7PowerSpectralDensity1.8GaussianProcess1.9Noise1.10NarrowbandNoise1.11RepresentationofNarrowbandNoiseinTermsofIn-phaseandQuadratureComponents1.12RepresentationofNarrowbandNoiseinTermsofEnvelopeandPhaseComponents1.13SineWavePlusNarrowbandNoise1.14ComputerExperiments:Flat-FadingChannel1.15SummaryandDiscussionNotesandReferencesProblemsCHAPTER2Continuous-WaveModulation2.1Introduction2.2AmplitudeModulation2.3LinearModulationSchemes2.4FrequencyTranslation2.5Frequency-DivisionMultiplexing2.6AngleModulation2.7FrequencyModulation2.8NonlinearEffectsinFMSystems2.9SuperheterodyneReceiver2.10NoiseinCWModulationSystems2.11NoiseinLinearReceiversusingCoherentDetection2.12NoiseinAMReceiversusingEnvelopeDetection2.13NoiseinFMReceivers2.14ComputerExperiments:Phase-LockedLoop2.15SummaryandDiscussionNotesandReferencesProblemsCHAPTER3PulseModulation3.1Introduction3.2SamplingProcess3.3Pulse-AmplitudeModulation3.4OtherFormsofPulseModulation3.5Bandwidth-NoiseTrade-off3.6QuantizationProcess3.7Pulse-CodeModulation3.8NoiseConsiderationsinPCMSystems3.9Time-DivisionMultiplexing3.10DigitalMultiplexers3.11Virtues,Limitations,andModificationsofPCM3.12DeltaModulation3.13LinearPrediction3.14DifferentialPulse-CodeModulation3.1**daptiveDifferentialPulse-CodeModulation3.16ComputerExperiment:AdaptiveDeltaModulation3.17MPEGAudioCodingStandard3.18SummaryandDiscussionNotesandReferencesProblemsCHAPTER4BasebandPulseTransmission4.1Introduction4.2MatchedFilter4.3ErrorRateDuetoNoise4.4IntersymbolInterference4.5Nyquist'sCriterionforDistortionlessBasebandBinaryTransmission4.6Correlative-LevelCoding4.7BasebandM-aryPAMTransmission4.8DigitalSubscriberLines4.9OptimumLinearReceiver4.10AdaptiveEquzlization4.11ComputerExperiments:EyePatterns4.12SummaryandDiscussionNotesandReferencesProblemsCHAPTER5Signal-SpaceAnalysis5.1Introduction5.2GeometricRepresentationofSignals5.3ConversionoftheContinuousAWGNChannelintoaVectorChannel5.4LikelisoodFunctions5.5CoherentDetectionofSignalsinNoise:MaximumLikelihoodDecoding5.6CorrelationReceiver5.7ProbabilityofError5.8SummaryandDiscussionNotesandReferencesProblemsCHAPTER6PassbandDigitalTransmission6.1Introduction6.2PassbandTransmissionModel6.3CoherentPhase-ShiftKeying6.4HybridAmplitued/PhaseModulationSchemes6.5CoherentFrequency-ShiftKeying6.6DetectionofSignalswithUnknownPhase6.7NoncoherentOrthogonalModulation6.8NoncoherentBinaryFrequency-ShiftKeying6.9DifferentialPhase-ShiftKeying6.10ComparisonofDigitalModulationSchemesUsingaSingleCarrier6.11VoicebandModems6.12MultichannelModulation6.13DiscreteMultitone6.14Synchronization6.15ComputerExperiments:CarrierRecoveryandSymbolTiming6.16SummaryandDiscussionNotesandReferencesProblemsCHAPTER7Spread-SpectrumModulation7.1Introduction7.2Pseudo-NoiseSequences7.3ANotionofSpreadSpectrum7.4Direct-SequenceSpreadSpectrumwithCoherentBinaryPhase-ShiftKeying7.5Signal-SpaceDimensionalityandProcessingGain7.6ProbabilityofError7.7Frequency-HopSpreadSpectrum7.8ComputerExperiments:Maximal-LengthandGoldCodes7.9SummaryandDiscussionNotesandReferencesProblemsCHAPTER8MultiuserRadioCommunications8.1Introduction8.2Multiple-AccessTechniques8.3SatelliteCommunications8.4RadioLinkAnalysis8.5WirelessCommunications8.6StatisticalCharacterizationofMultipathChannels8.7BinarySignalingoveraRayleighFadingChannel8.8TDMAandCDMAWirelessCommunicationSystems8.9SourceCodingofSpeechforWirelessCommunications8.10AdaptiveAntennaArraysforWirelessCommunications8.11SummaryandDiscussionNotesandReferencesProblemsCHAPTER9FundamentalLimitsinInformationTheory9.1Introduction9.2Uncertainty,Information,andEntropy9.3Source-CodingTheorem9.4DataCompaction9.5DiscreteMemorylessChannels9.6MutualInformation9.7ChannelCapacity9.8Channel-CodingTheorem9.9DifferentialEntropyandMutualInformationforContinuousEnsembles9.10InformationCapacityTheorem9.11ImplicationsoftheInformationCapacityTheorem9.12InformationCapacityofColoredNoiseChannel9.13RateDistortionTheory9.14DataCompression9.15SummaryandDiscussionNotesandReferencesProblemsCHAPTER10Error-ControlCoding10.1Introduction10.2Discrete-MemorylessChannels10.3LinearBlockCodes10.4CyclicCodes10.5ConvolutionalCodes10.6MaximumLikelihoodDecodingofConvolutionalCodes10.7Trellis-CodedModulation10.8TurboCodes10.9ComputerExperiment:TruboDecoding10.10Low-DensityParity-CheckCodes10.11IrregularCodes10.12SummaryandDiscussionNotesandReferencesProblemsAPPENDIX1ProbabilityTheoryAPPENDIX2RepresentationofSignalsandSystemsAPPENDIX3BesselFunctionsAPPENDIX4ConfluentHypergeometricFunctionsAPPENDIX5CryptographyAPPENDIX6TablesGLOSSARYBIBLIOGRAPHYINDEX

本书对通信系统的基础理论和关键环节进行了深入分析,力图让学生在讨论中领会通信的精髓。全书首先给出通信系统的梗概及需要研究的关键技术,接着分章详细讨论了随机过程、连续波调制、脉冲调制、基带脉冲传输、信号空间分析、带通数字传输、扩频调制、多用户无线通信、信息论基础和差错控制编码等,各章都附有大量的习题,便于学生实践。书中还给出了很有价值的附录,包括概率论、信号和系统描述、贝塞尔函数、超几何分布函数汇总、密码学方面的介绍以及一些有用的图表等。本书强调通信理论的统计基础,并给出了用MATLAB模拟的8个计算机实验,这些实验几乎覆盖了各章节的主要内容,形成了独特的通信理论“软件实验室”。●演示通信理论主要内容的MATLAB实验●新兴数字技术的延伸,如数字用户线(DSL)、无载波振幅调制/相位调制(CAP)以及离散多音(DMT)等。●数十个将理论与实际通信系统相结合的实例●通过精心组织,本书系统地指导学生学习从脉冲调制到带通数据传输,从随机过程到差错控制编码等知识。全书以深入浅出的语言向学生传授了深奥的概念。