The book is structured to lead students from the absolute basics of communication to advanced digital techniques. It is praised for its "bottom-up" approach, making it accessible for beginners while remaining detailed enough for competitive exam preparation like GATE or IES. Core Technical Areas
The textbook is divided into two primary sections, taking a "bottom-up" approach that begins with fundamental signal analysis before moving into complex modulation schemes.
While various versions exist, the most current and comprehensive edition is typically the , often reprinted to stay updated with industry standards.
Sanjay Sharma is unique because he refuses to treat analog and digital as separate subjects. In the preface of his book, he notes: "Digital communication is merely analog communication with discrete amplitudes."