Digital Communication Systems by John G. Proakis

"Digital Communication Systems" by John G. Proakis explores how digital signals are transmitted, received, and processed over various channels. It covers the principles behind converting information into digital form, managing noise and distortion, and ensuring accurate data delivery. The book discusses techniques like modulation, coding, and error correction that improve system reliability. It combines theoretical foundations with practical applications, offering insights into designing efficient and robust communication networks, such as internet data transfer, mobile phones, and satellite systems. Overall, it provides a comprehensive understanding of how digital signals are reliably communicated in modern technology.