partⅰ chapter 1introduction 1?1historical review of munication 1?2message,information,and signal 1?3digital munication 1?3?1basic concept 1?3?2advantages of digital munication 1?3?3digital munication system model 1?3?4specifications of digital munication system 1?4channel 1?4?1wireless channel 1?4?2wired channel 1?4?3channel models 1?4?4influence of channel characteristics on signal transmission 1?5noise in channel 1?6brief summary questions exercises chapter 2signals 2?1classification of signals 2?2characteristics of deterministic signals 2?2?1characteristics in frequency domain 2?2?2characteristis in time domain 2?3characteristics of random signals 2?3?1probability distribution of random variable 2?3?2probability density of random variable 2?4examples of frequently used random variables 2?5numerical characteristics of random variable 2?5?1mathematical expectation 2?5?2variance 2?5?3moment 2?6random process 2?6?1basic concept of random process 2?6?2stationary random process 2?6?3ericity 2?6?4autocorrelation function and power spectral density of stationary random process 2?7gaussian process 2?8narrow band random process 2?8?1basic concept of narrow band random process 2?8?2characteristics of narrow band random process 2?9sinusoidal wave plus narrow band gaussian process 2?10signal transfer through linear systems 2?10?1basic concept of linear systems 2?10?2deterministic signal transfer through linear systems 2?10?3random signal transfer through linear systems 2?11brief summary questions exercises chapter 3analog modulation system 3?1introduction 3?2linear modulation 3?2?1amplitude modulation (am) 3?2?2double?sideband modulation (dsb) 3?2?3single?sideband modulation (ssb) 3?2?4vestigial sideband modulation (vsb) 3?3nonlinear modulation 3?3?1basic principles 3?3?2frequency spectrum and bandwidth of modulated signal 3?3?3reception of angular modulated signal 3?4brief summary questions exercises chapter 4digitization of analog signal 4?1introduction 4?2sampling of analog signal 4?2?1sampling of low?pass analog signal 4?2?2sampling of band?pass analog signal 4?2?3analog pulse modulation 4?3quantization of sampled signal 4?3?1principles of quantization 4?3?2uniform quantization 4?3?3nonuniform quantization 4?4pulse code modulation 4?4?1basic principles of pulse code modulation 4?4?2natural binary code and fold binary code 4?4?3quantization noise in pcm system 4?5differential pulse code modulation 4?5?1principles of differential pulse code modulation 4?5?2quantization noise and signal to quantization noise ratio in dpcm system 4?6delta modulation 4?6?1principles of delta modulation 4?6?2quantization noise in delta modulation system 4?7brief summary questions exercises chapter 5representation and transmission of baseband digital signal 5?1introduction 5?2co method of character 5?3waveform of baseband digital signal 5?4symbol code types of baseband digital signals for transmission 5?5frequency characteristic of baseband digital signal 5?5?1calculation of power spectral density of vc(t) 5?5?2calculation of power spectral density of uc(t) 5?5?3calculation of power spectral density of s(t) 5?5?4examples of power spectral density calculation 5?6transmission and intersymbol interference of baseband digital signal 5?6?1model of baseband digital signal transmission system 5?6?2intersymbol interference and nyquist criterion 5?6?3partial response system 5?7eye pattern 5?8time?domain equalizer 5?8?1introduction 5?8?2fundamental principle of transversal filter 5?8?3realization of transversal filter 5?9brief summary questions exercises chapter 6elementary digital modulation system 6?1introduction 6?2binary amplitude shift keying (2ask) 6?2?1basic principle 6?2?2power spectral density 6?2?3symbol error probability 6?3binary frequency shift keying (2fsk) 6?3?1basic principle 6?3?2power spectral density 6?3?3minimum frequency space 6?3?4symbol error probability 6?4binary phase shift keying (2k) 6?4?1basic principle 6?4?2power spectral density 6?4?3symbol error probability 6?5binary differential phase shift keying (2dk) 6?5?1basic principle 6?5?2power spectral density 6?5?3symbol error probability 6?6performance parison of binary digital keying transmission system 6?7m?ary digital keying 6?7?1m?ary amplitude keying (m?ask) 6?7?2m?ary frequency shift keying (m?fsk) 6?7?3m?ary phase shift keying (m?k) 6?7?4m?ary differential phase shift keying (m?dk) 6?7?5amplitude/phase bination keying (apk) 6?7?6examples of m?ary digital keying practical systems 6?8brief summary questions exercises chapter 7synchronization 7?1introduction 7?2carrier synchronization method 7?2?1pilot insertion method 7?2?2direct extraction method 7?2?3performance of carrier synchronization 7?3bit synchronization 7?3?1external synchronization 7?3?2self synchronization 7?3?3influence of bit synchronization error on symbol error probability 7?4group synchronization 7?4?1introduction 7?4?2concentrated insertion method 7?4?3dispersed insertion method 7?4?4performance of group synchronization 7?5work synchronization 7?5?1introduction 7?5?2open?loop method 7?5?3closed?loop method 7?6brief summary questions exercises partⅱ chapter 8optimum receiving of digital signal 8?1statistical characteristics of digital signal 8?2optimum receiving criterion of digital signal 8?3optimum receiver for deterministic digital signal 8?4symbol error probability of optimum receiver for deterministic digital signal 8?5optimum receiving of random phase digital signal 8?6optimum receiving of fluctuation digital signal 8?7performance parison of practical receiver and optimum receiver 8?8matched filtering receiving principle of digital signal 8?8?1matched filtering receiving of digital signal 8?8?2correlation receiving of digital signal 8?9optimum baseband transmission system 8?10brief summary questions exercises chapter 9multipleng and multiple access 9?1introduction 9?2frequency division multipleng (fdm) 9?3time division multipleng (tdm) 9?3?1plesiochronous digital hierarchy (pdh) 9?3?2multiple connection and symbol rate justification 9?3?3synchronous digital hierarchy (sdh) 9?4code division multipleng (cdm) 9?4?1basic principles 9?4?2orthogonal code 9?4?3eudo?random code 9?5multiple access 9?5?1frequency division multiple access (fdma) 9?5?2time division multiple access 9?5?3multiple access techniques for local area works 9?6brief summary questions exercises chapter 10channel co and error control 10?1introduction 10?2basic principles of error control co 10?3performance of error correction system 10?4parity?check
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