This book discusses in detail the lower layers of the OSI model and includes a thorough description of coding - source, channel and line.
From the Publisher: Features emphasises engineering aspects of communications rather than specific issues relating to the uses of data communication networks covers in detail the lower layers of the OSI model includes a thorough description of coding - source, channel and line discusses the various standards bodies which exist and their standards and recommendations includes many worked problems designed to improve the understanding of key principles