Completely updated yet based on core ideas in the author s previous book on software radios, Designing Software and Cognitive Radios, Second Edition includes revised and completely rewritten sections in addition to two new chapters on cognitive radios. An included solutions manual for instructions, accompanying software, and an author-maintained website with useful links make this text a perfect teaching tool. In addition to functioning as an ideal advanced undergrad or graduate level textbook, this book is a helpful reference for telecom professionals, as well as military and government officials on all levels.