3 Review(s)

This book, An Introduction to the Principles of Digital Communications, presents a fine synthesis of both theory and practice. After dealing with the basic principles, it provides an analytical view of the various issues. The book is illustrated with worked-out practical examples. It should serve as an ideal textbook for the students of B.E./B.Tech. pursuing Electronics and Communication Engineering, Telecommunication Engineering, Electrical Engineering, Computer Science and Engineering, Information Technology and allied disciplines. Salient Features Discussion on (i) digital subscriber line, (ii) storage channels, and (iii) sub-oceanic acoustic channel in Chapter-2; Derivation of (i) SNR in a companded system and (ii) gain in DPCM in Chapter-3 and (iii) a generalized expression of PSD of digital signals in Chapter-4; Inclusion of topics like (i) ISDN and (ii) Computer Networking in Chapter-5 and (iii) GPS in Chapter-7; Comments on coherent detection, Doppler corrections, lock detection and time and phase estimate of a burst periodic signal in Chapter-6; Elucidation of conditional entropy with an example and intuitive derivation of channel capacity in Chapter-8; Emphasis on hardware implementation of error correcting codes in Chapter-9; Description of (i) satellite and (ii) cellular mobile wireless communication systems using digital communication principles in and reference to multipath fading, Trellis coded modulation and orthogonal frequency division multiplexing in Chapter-10; Inclusion of a few hardware experiments related to digital communication fundamentals and; Cross-reference in indexing. Table of Contents Introduction PART-I: Transmission Medium Signal Impairments and Elements of Random Signal Theory Waveform Coding Baseband Pulse Transmission Synchronisation and Multiplexing Modulations and Carrier Recovery Part-II : Spread Spectrum and Multiuser Communications Basic Results from Information Theory Error Correcting Codes Satellite and Mobile Communications.