B. P. Lathi, Zhi Ding - Modern Digital and Analog Communication Systems-Oxford University Press (2009)

Contents
xiii
1 0.3 COHERENT RECEIVERS FOR DIGITAL CARRIER
MODULATIONS 520
10.4 SIGNAL SPACE ANALYSIS OF OPTIMUM DETECTION 525
10.4.1 Geometrical Signal Space 525
10.4.2 Signal Space and Basis Signals 527
10.5 VECTOR DECOMPOSITION OF WHITE NOISE RANDOM
PROCESSES 530
10.5.1 Determining Basis Functions for a Random Process 530
10.5.2 Geometrical Representation of White Noise Processes
531
10.5.3 White Gaussian Noise 533
10.5.4 Properties of Gaussian Random Process 534
10.6 OPTIMUM RECEIVER FOR WHITE GAUSSIAN NOISE
CHANNELS 536
10.6.1 Geometric Representations 536
10.6.2 Dimensionality of the Detection Signal Space 538
10.6.3 (Simplified) Signal Space and Decision Procedure 541
10.6.4 Decision Regions and Error Probability 545
10.6.5 Multiamplitude Signaling (PAM) 551
10.6.6 M-ary QAM Analysis 554
10.7 GENERAL EXPRESSION FOR ERROR PROBABILITY OF OPTIMUM
RECEIVERS 561
10.8 EQUIVALENT SIGNAL SETS 569
10.8.1 Minimum Energy Signal Set 572
10.8.2 Simplex Signal Set 575
1 0. 9 NONWHITE (COLORED) CHANNEL NOISE 577
1 0. 10 OTHER USEFUL PERFORMANCE CRITERIA 578
1 0. 1 1 NONCOHERENT DETECTION 581
10.12 MATLAB EXERCISES 589
1 1
SPREAD SPECTRUM
COMMUNICATIONS 614
1 1. 1 FREQUENCY HOPPING SPREAD
SPECTRUM (FHSS) SYSTEMS 614
11.2 MULTIPLE FHSS USER SYSTEMS AND PERFORMANCE
1 1.3
11.4
11.5
11.6
APPLICATIONS OF FHSS 621
DIRECT SEQUENCE SPREAD SPECTRUM
RESILIENT FEATURES OF DSSS 628
624
CODE DIVISION MULTIPLE-ACCESS (CDMA) OF DSSS
618
630