For courses in Digital Communications Exceptionally accessible this book presents the often difficult concepts of digital communications in an easy to understand manner without diluting the mathematical precision Using a student friendly approach it develops the important techniques in the context of a unified structure in block diagram form providing organization and structure to a field that has and continues to grow rapidly and ensuring that students gain an awareness of the big picture even while delving into the details the most up to date modulation coding and signal processing techniques that have become the basic tools of our modern era It traces signals and key processing steps from the information source through the transmitter channel receiver and ultimately to the information sink