1 Introduction .
1.1 Elements of a Digital Communication System
1.2 Communication Channels and Their Characteristics
1.3 Mathematical Models for Communication Channels
1.4 A Historical Perspective in the Development of Digital Communications
1.5 Overview of the Book
1.6 Bibliographical Notes and References Probability and Stochastic Processes
2.1 Probability
2.2 Stochastic Processes
2.3 Bibliographical Notes and References Problems
3 Source Coding
3.1 Mathematical Models for Information Sources
3.2 A Logarithmic Measure of Information
3.3 Coding for Discrete Sources
3.4 Coding for Analog Sources--Optimum Quantization
3.5 Coding Techniques for Analog Sources
3.6 Bibliographical Notes and References Problems
4 Characterization of Communication Signals and Systems
4.1 Representation of Band-Pass Signals and Systems
4.2 Signal Space Representations