Unlike a traditional book, this text contains the theory of both analog and digital communication systems supported by simulations (MATLAB & Mathcad) and video lectures referenced throughout the chapters. These simulations and videos are accessed via its associated app, "Communication Systems," in the iOS and Android app stores. Samples of the book, videos, simulations and app details are available on http: //book.janaksodha.com

Based on the experience of lecturing for over eighteen years, this text begins with Fourier analysis, power and bandwidth, spectral density and random...