Communication Systems and Techniques

An introductory, graduate-level look at modern communications in general and radio communications in particular. This seminal presentation of the applications of communication theory to signal and receiver design brings you valuable insights into the fundamental concepts underlying today's communications systems, especially wireless communications.Coverage includes: AM, FM Phase Modulation, PCM, fading, and diversity receivers.This is a classic reissue of a book published by McGraw Hill in 1966.

Mischa Schwartz is professor emeritus of electrical engineering at Columbia University, which he joined in 1974 as professor of electrical engineering and computer science. William R. Bennett is the author of Communication Systems and Techniques, published by Wiley.

Foreword to the IEEE Press Reissue

ix

Preface

xi

PART I Mischa Schwartz

General Tutorial Material

3

(43)

Summary of Statistical Properties of Noise

3

(6)

Orthogonal Series Representations of Noise

9

(6)

A Simple Application to Binary Transmission

15

(5)

Narrowband Noise and Envelope Detection

20

(6)

Application to Binary Transmission

26

(3)

Hilbert-transform Representation of Signals

29

(6)

Preen velope and Envelope of Signals; Application to Noise

35

(6)

Low-pass Equivalents of Bandpass Signals

41

(5)

Statistical Communication Theory as Applied to Digital Communications

46

(54)

Statistical Decision Theory

46

(8)

Decision Theory in the Case of Binary-signal Repetition

54

(3)

Neyman-Pearson Theory of Testing Hypotheses with Application to Radar

57

(6)

Signal Shape and Matched Filters

63

(5)

Transmission of Two Known Messages of Arbitrary Shape

68

(14)

Sampling of Band-limited Signals

82

(3)

Decision-theory Approach to M-ary Signal Transmission

85

(15)

CW Communications: Comparison of AM and FM

100

(73)

S/N ratios in AM

100

(7)

Spectral Analysis of Envelope Detectors

107

(10)

Correlation-function Method of Determining Power Spectrum

117

(3)

Frequency-modulation Noise Analysis

120

(9)

FM Noise Output, Carrier Absent

129

(5)

Second Threshold in FM: Decrease in Output Signal

134

(4)

Zero-crossing Analysis

138

(6)

A Heuristic Approach to FM Threshold Analysis---Rice's ``Clicks'' Analysis

144

(10)

Threshold Extension in FM: FMFB Demodulators and Phase-locked Loops

154

(9)

FM Spectrum Analysis, Noiselike Modulating Signal

163

(10)

PART II William R. Bennett

Amplitude Modulation and Related CW Systems

173

(52)

Structure of an AM Wave

174

(2)

Amplitude Modulators

176

(3)

Amplitude Detectors

179

(5)

Systems Derived from AM

184

(15)

Analysis of Modulating and Demodulating Circuits

199

(9)

Effect of Distortion in Transmitting Medium

208

(8)

Multiplexing of AM Channels

216

(9)

Angle Modulation in CW Systems

225

(14)

Phase Modulation

225

(1)

Frequency Modulation

225

(2)

Spectral Resolution for Sinusoidal Angle Modulation

227

(2)

Transmission through Linear Networks

229

(3)

The FM Interference Problem

232

(2)

Compound CW Modulation Systems

234

(5)

Pulse Modulation

239

(40)

Pulse Amplitude Modulation (PAM)

239

(8)

Pulse Time Modulation

247

(12)

Pulse Code Modulation (PCM)

259

(12)

Compound Pulse-modulation Systems

271

(8)

PART III Seymour Stein

Basic Binary Communications Techniques

279

(35)

Carrier Telegraphy

280

(3)

Relation of Character or Code Performance to Binary Error Rate

283

(1)

Representations of Bandpass Signals, Noise, and Filtering

284

(3)

On-off Keying

287

(8)

Frequency-shift Keying (FSK)

295

(7)

Phase-shift Keying (PSK)

302

(8)

Suboptimum versus Matched Filters

310

(4)

General Analysis of Single-Channel Binary Systems in Additive Noise

314

(29)

Generalized Models

314

(6)

A Unified Formulation and Its Solution

320

(3)

Specializations, Including Previous Results

323

(6)

Distribution of Instantaneous Frequency for Signal Plus Noise

329

(5)

Binary FSK with Frequency Detection

334

(9)

Fading Communication Media

343

(73)

Role of Fading Channels within the Radio Spectrum

344

(3)

Phenomenological Descriptions of Multipath and Fading

347

(27)

High-frequency Ionospheric-skywave Propagation

374

(10)

Tropospheric-scatter Propagation

384

(12)

Single Binary Channels in Slow, Nonselective Rayleigh Fading

396

(15)

Signal Behavior in Channels with Arbitrary Selectivity and Rapidity

411

(5)

Linear Diversity Combining Techniques

416

(74)

Methods for Achieving Diversity Branches

417

(9)

General Principles of Linear Combining

426

(3)

Diversity Improvement and Relation to System Design

429

(3)

Selection Combining

432

(8)

Maximal-ratio Combining

440

(13)

Equal-gain Combining

453

(4)

Further Comments on Comparative Combiner Statistics

457

(2)

Digital Data Performance of Ideal Linear Combining Systems

459

(7)

Postdetection versus Predetection Combining in FM Systems; Digital Data Transmission in FDM-FM

466

(2)

Effect of Correlation in Fading among Diversity Branches

468

(12)

Effect of Diversity on Distributions of Lengths of Fades

480

(7)

Effect of External Noise or Interference

487

(3)

Decision-Oriented Diversity for Digital Transmission

490

(95)

Optimum Combining for Digital Signaling in Slow, Nonselective Fading

490

(21)

Performance of Quadratic Combiner Systems in Slow, Multiplicative Fading

511

(17)

Performance of Suboptimal Systems

528

(27)

Diversity Operation Involving Energy Sharing and Energy Detection

555

(6)

Wideband Antimultipath Systems (Rake)

561

(24)

Appendix A. The Q Function and Related Integrals

585

(5)

Appendix B. Distribution of Hermitian Quadratic Form in Complex Gaussian Variates

590

(7)

Bibliography

597

(12)

Index

609

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Communication Systems and Techniques

Summary

Author Biography

Table of Contents

Supplemental Materials