A comprehensive resource presents the spread spectrum concept as a product of advances in wireless IT, showing how and when the classical problem of signal transmission / processing stimulate the application of spread spectrum, and explains the advantages of spread spectrum philosophy. Presents a theory-based analysis are equipped with practical examples and real-world case studies resulted in an independent treatment of the subject Contains detailed discussions of new trends in spread spectrum technologies such as multi-user reception, multicarrier modulation, OFDM, MIMO and space-time coding Provide advice on design spread spectrum signal and discrete set of signals to measure the time-frequency, synchronization and multi-user communication feature Matlab-based problems and many other exercises to encourage the reader to initiate independent investigations and simulations This text is valuable to provide timely guidance concerning the current status and future potential of spread spectrum and CDMA and is an invaluable resource for senior students and graduate students, faculty and practicing engineers and researchers involved in the spread and development of spread spectrum and CDMA technology.