Communication Systems, by Simon Haykin

This best-selling, easy to read, communication systems book has been extensively revised to include an exhaustive treatment of digital communications. Throughout, it emphasizes the statistical underpinnings of communication theory in a complete and detailed manner.

Buy: Communication Systems, 4ed Paperback – 2006 by Simon Haykin (Author)

Pdf Download: 

https://drive.google.com/file/d/0B8Nl3U5dzHu0dXZCUmF2VEZjTVk/view?usp=sharing