Modern digital and analog communication systems

Cover......Page 1
Half title......Page 2
Series page......Page 3
Title page......Page 4
Copyright page......Page 5
BRIEF TABLE OF CONTENTS......Page 6
CONTENTS......Page 8
PREFACE......Page 16
1 INTRODUCTION......Page 22
 1.1 COMMUNICATION SYSTEMS......Page 23
 1.2 DESIGN CHALLENGES: CHANNEL DISTORTIONS AND NOISES......Page 24
 1.3 MESSAGE SOURCES......Page 25
 1.4 CHANNEL EFFECT, SIGNAL-TO-NOISE RATIO, AND CAPACITY......Page 29
 1.5 MODULATION AND DETECTION......Page 32
 1.6 DIGITAL SOURCE CODING AND ERROR CORRECTION CODING......Page 34
 1.7 A BRIEF HISTORICAL REVIEW OF MODERN TELECOMMUNICATIONS......Page 36
 2.1 SIZE OF A SIGNAL......Page 42
 2.2 CLASSIFICATION OF SIGNALS......Page 47
 2.3 SOME USEFUL SIGNAL OPERATIONS......Page 50
 2.4 UNIT IMPULSE SIGNAL......Page 54
 2.5 SIGNALS VERSUS VECTORS......Page 57
 2.6 CORRELATION OF SIGNALS......Page 63
 2.7 ORTHOGONAL SIGNAL SETS......Page 68
 2.8 TRIGONOMETRIC FOURIER SERIES......Page 72
 2.9 FREQUENCY DOMAIN AND EXPONENTIAL FOURIER SERIES......Page 83
 2.10 MATLAB EXERCISES......Page 90
 3.1 FOURIER TRANSFORM OF SIGNALS......Page 114
 3.2 TRANSFORMS OF SOME USEFUL FUNCTIONS......Page 120
 3.3 SOME FOURIER TRANSFORM PROPERTIES......Page 128
 3.4 SIGNAL TRANSMISSION THROUGH A LINEAR TIME-INVARIANT SYSTEM......Page 145
 3.5 IDEAL VERSUS PRACTICAL FILTERS......Page 150
 3.6 SIGNAL DISTORTION OVER A COMMUNICATION CHANNEL......Page 155
 3.7 SIGNAL ENERGY AND ENERGY SPECTRAL DENSITY......Page 160
 3.8 SIGNAL POWER AND POWER SPECTRAL DENSITY......Page 169
 3.9 NUMERICAL COMPUTATION OF FOURIER TRANSFORM: THE DFT......Page 177
 3.10 MATLAB EXERCISES......Page 182
 4.1 BASEBAND VERSUS CARRIER COMMUNICATIONS......Page 208
 4.2 DOUBLE-SIDEBAND AMPLITUDE MODULATION......Page 210
 4.3 AMPLITUDE MODULATION (AM)......Page 219
 4.4 BANDWIDTH-EFFICIENT AMPLITUDE MODULATIONS......Page 226
 4.5 FM AND PM: NONLINEAR ANGLE MODULATIONS......Page 240
 4.6 BANDWIDTH ANALYSIS OF ANGLE MODULATIONS......Page 246
 4.7 DEMODULATION OF FM SIGNALS......Page 254
 4.8 FREQUENCY CONVERSION AND SUPERHETERODYNE RECEIVERS......Page 256
 4.9 GENERATING FM SIGNALS......Page 259
 4.10 FREQUENCY DIVISION MULTIPLEXING (FDM)......Page 265
 4.11 PHASE-LOCKED LOOP AND APPLICATIONS......Page 266
 4.12 MATLAB EXERCISES......Page 274
 5.1 SAMPLING THEOREM......Page 305
 5.2 PULSE CODE MODULATION (PCM)......Page 323
 5.3 DIGITAL TELEPHONY: PCM IN T1 SYSTEMS......Page 335
 5.4 DIGITAL MULTIPLEXING HIERARCHY......Page 339
 5.5 DIFFERENTIAL PULSE CODE MODULATION (DPCM)......Page 344
 5.6 DELTA MODULATION......Page 349
 5.7 VOCODERS AND VIDEO COMPRESSION......Page 354
 5.8 MATLAB EXERCISES......Page 366
 6.1 DIGITAL COMMUNICATION SYSTEMS......Page 386
 6.2 BASEBAND LINE CODING......Page 389
 6.3 PULSE SHAPING......Page 404
 6.4 SCRAMBLING......Page 416
 6.5 DIGITAL RECEIVERS AND REGENERATIVE REPEATERS......Page 419
 6.6 EYE DIAGRAMS: AN IMPORTANT DIAGNOSTIC TOOL......Page 429
 6.7 PAM: M-ARY BASEBAND SIGNALING......Page 432
 6.8 DIGITAL CARRIER SYSTEMS......Page 435
 6.9 M-ARY DIGITAL CARRIER MODULATION......Page 443
 6.10 MATLAB EXERCISES......Page 449
 7.1 CONCEPT OF PROBABILITY......Page 466
 7.2 RANDOM VARIABLES......Page 482
 7.3 STATISTICAL AVERAGES (MEANS)......Page 501
 7.4 CORRELATION......Page 510
 7.5 LINEAR MEAN SQUARE ESTIMATION......Page 514
 7.6 SUM OF RANDOM VARIABLES......Page 517
 7.7 CENTRAL LIMIT THEOREM......Page 520
 8.1 FROM RANDOM VARIABLE TO RANDOM PROCESS......Page 531
 8.2 CLASSIFICATION OF RANDOM PROCESSES......Page 536
 8.3 POWER SPECTRAL DENSITY......Page 540
 8.4 MULTIPLE RANDOM PROCESSES......Page 555
 8.5 TRANSMISSION OF RANDOM PROCESSES THROUGH LINEAR SYSTEMS......Page 556
 8.6 BANDPASS RANDOM PROCESSES......Page 577
 9.1 OPTIMUM LINEAR DETECTOR FOR BINARY POLAR SIGNALING......Page 601
 9.2 GENERAL BINARY SIGNALING......Page 607
 9.3 COHERENT RECEIVERS FOR DIGITAL CARRIER MODULATIONS......Page 615
 9.4 SIGNAL SPACE ANALYSIS OF OPTIMUM DETECTION......Page 620
 9.5 VECTOR DECOMPOSITION OF WHITE NOISE RANDOM PROCESSES......Page 625
 9.6 OPTIMUM RECEIVER FOR WHITE GAUSSIAN NOISE CHANNELS......Page 631
 9.7 GENERAL ERROR PROBABILITY OF OPTIMUM RECEIVERS......Page 656
 9.8 EQUIVALENT SIGNAL SETS......Page 665
 9.9 NONWHITE (COLORED) CHANNEL NOISE......Page 672
 9.10 OTHER USEFUL PERFORMANCE CRITERIA......Page 673
 9.11 NONCOHERENT DETECTION......Page 676
 9.12 MATLAB EXERCISES......Page 684
 10.1 FREQUENCY HOPPING SPREAD SPECTRUM (FHSS) SYSTEMS......Page 712
 10.2 MULTIPLE FHSS USER SYSTEMS AND PERFORMANCE......Page 716
 10.3 APPLICATIONS OF FHSS......Page 719
 10.4 DIRECT SEQUENCE SPREAD SPECTRUM......Page 723
 10.5 RESILIENT FEATURES OF DSSS......Page 726
 10.6 CODE DIVISION MULTIPLE-ACCESS (CDMA) OF DSSS......Page 728
 10.7 MULTIUSER DETECTION (MUD)......Page 736
 10.8 MODERN PRACTICAL DSSS CDMA SYSTEMS......Page 742
 10.9 MATLAB EXERCISES......Page 751
 11.1 LINEAR DISTORTIONS OF WIRELESS MULTIPATH CHANNELS......Page 768
 11.2 RECEIVER CHANNEL EQUALIZATION......Page 772
 11.3 LINEAR T-SPACED EQUALIZATION (TSE)......Page 778
 11.4 LINEAR FRACTIONALLY SPACED EQUALIZERS (FSE)......Page 788
 11.5 CHANNEL ESTIMATION......Page 793
 11.6 DECISION FEEDBACK EQUALIZER......Page 794
 11.7 OFDM (MULTICARRIER) COMMUNICATIONS......Page 797
 11.8 DISCRETE MULTITONE (DMT) MODULATIONS......Page 809
 11.9 REAL-LIFE APPLICATIONS OF OFDM AND DMT......Page 814
 11.10 BLIND EQUALIZATION AND IDENTIFICATION......Page 819
 11.11 TIME-VARYING CHANNEL DISTORTIONS DUE TO MOBILITY......Page 820
 11.12 MATLAB EXERCISES......Page 824
 12.1 MEASURE OF INFORMATION......Page 846
 12.2 SOURCE ENCODING......Page 850
 12.3 ERROR-FREE COMMUNICATION OVER A NOISY CHANNEL......Page 856
 12.4 CHANNEL CAPACITY OF A DISCRETE MEMORYLESS CHANNEL......Page 859
 12.5 CHANNEL CAPACITY OF A CONTINUOUS MEMORYLESS CHANNEL......Page 866
 12.6 FREQUENCY-SELECTIVE CHANNEL CAPACITY......Page 883
 12.7 MULTIPLE-INPUT–MULTIPLE-OUTPUT COMMUNICATION SYSTEMS......Page 888
 12.8 MATLAB EXERCISES......Page 896
 13.1 OVERVIEW......Page 912
 13.2 REDUNDANCY FOR ERROR CORRECTION......Page 913
 13.3 LINEAR BLOCK CODES......Page 916
 13.4 CYCLIC CODES......Page 923
 13.5 THE BENEFIT OF ERROR CORRECTION......Page 933
 13.6 CONVOLUTIONAL CODES......Page 937
 13.7 TRELLIS DIAGRAM OF BLOCK CODES......Page 947
 13.8 CODE COMBINING AND INTERLEAVING......Page 948
 13.9 SOFT DECODING......Page 951
 13.10 SOFT-OUTPUT VITERBI ALGORITHM (SOVA)......Page 953
 13.11 TURBO CODES......Page 955
 13.12 LOW-DENSITY PARITY CHECK (LDPC) CODES......Page 964
 13.13 MATLAB EXERCISES......Page 970
 A.1 Trigonometric Sinusoid Signal Set......Page 985
 A.2 Orthogonality of the Exponential Sinusoid Signal Set......Page 986
APPENDIX B CAUCHY-SCHWARZ INEQUALITY......Page 987
APPENDIX C GRAM-SCHMIDT ORTHOGONALIZATION OF A VECTOR SET......Page 988
 D.1 Notations......Page 991
 D.3 Identity and Diagonal Matrices......Page 992
 D.4 Determinant of Square Matrices......Page 993
 D.6 Eigendecomposition......Page 994
 D.7 Special Hermitian Square Matrices......Page 995
 E.3 Power Series......Page 996
 E.6 Trigonometric Identities......Page 997
 E.7 Indefinite Integrals......Page 998
INDEX......Page 1000