Contemporary Communication Systems provides a comprehensive introduction to analog and digital communication systems. In addition to a logical and easy-to-understand presentation of fundamental principles, the book engages students in the issues relevant to system and product implementation by integrating a discussion of theoretical concepts with extensive hands-on visual and simulation resources that reiforce learning. Semiconductor revolution (Moore's law) and advences in software technologies continue to drive the repid development of digital communication systems. In this context, the book offers coverage of the relevant topics in compression, multiplexing, and synchronization fields. //ir