Digital Communications and Signal Processing
K Vasudevan
180 x 240 mm
Year of Publishing
Territorial Rights
Universities Press

The additional topics covered in the second edition are:

  1. Computing the average probability of error for constellations having nonequiprobable symbols (Chapter 1).
  2. Performance analysis of differential detectors in Rayleigh flat fading channels (Chapter 1).
  3. Synchronization techniques for linearly modulated signals (Chapter 4).

The additional C programs that are included in the CDROM are:

  1. Coherent detection of multidimensional orthogonal constellations in AWGN channels (associated with Chapter 1).
  2. Noncoherent detection of multidimensional orthogonal constellations in AWGN channels (associated with Chapter 1).
  3. Coherent detection of M-ary constellations in Rayleigh flat fading channels (associated with Chapter 1).
  4. Coherent detection of QPSK signals transmitted over AWGN channels. Here, the concepts of pulse shaping, carrier and timing synchronization are involved (associated with Chapter 4).
  5. Many new examples have also been added.

The book is well suited for a senior undergraduate to a graduate level course in communications theory. The accompanying CD-ROM containing C program on Viterbi algorithm, shell mapping and turbo codes will aid the student in understanding these topics better.

K. Vasudevan has been a faculty member of the Electrical Engineering (EE) department at IIT Kanpur since July 2001. He received his BTech (Electronics and Communications Engineering Honours) from IIT Kharagpur, and MS and PhD from the EE department, IIT Madras. He was a post-doctoral fellow at the Swiss Federal Institute of Technology (EPFL), Lausanne. His research interests are in the general area of communications and signal processing.
1 Introduction 1.1 Overview of the Book 1.2 Bibliography 2 Communicating with Points 2.1 Coherent Detectors for Two-Dimensional Constellations 2.2 Coherent Detectors for Multidimensional Orthogonal Constellations 2.3 Bi-Orthogonal Constellations 2.4 Simplex Constellations 2.5 Noncoherent Detectors for Multidimensional Orthogonal Constellations 2.6 Noncoherent Detectors for M-ary PSK 2.7 Coherent Detectors in Coloured Noise 2.8 Coherent Detectors for Frequency Nonselective (Flat) Fading Channels 2.9 Differential Detectors with Diversity for Flat Fading Channels 2.10 Summary 3 Channel Coding 3.1 The Convolutional Encoder 3.2 Are the Encoded Symbols Correlated? 3.3 Hard-Decision Decoding of Convolutional Codes 3.4 Soft-Decision Decoding of Convolutional Codes 3.5 Trellis Coded Modulation (TCM) 3.6 Maximization of the Shape Gain 3.7 Constellation Shaping by Shell Mapping 3.8 Turbo Codes 3.9 Summary 4 Transmission of Signals through Distortionless Channels 4.1 Linear Modulation 4.2 Synchronization for Linearly Modulated Signals 4.3 Nonlinear Modulation 4.4 Summary 5 Transmission of Signals Through Distorting Channels 5.1 Receivers Based on Equalization 5.2 Receivers Based on Maximum Likelihood Sequence 5.3 Multicarrier Communication 5.4 Summary Appendix A: Complex Differentiation Appendix B: The Cher off Bound Appendix C: On Groups and Finite Fields Appendix D: Properties of the Autocorrelation Matrix Appendix E: Some Aspects of Discrete-Time Signal Processing Appendix F: Time Domain Response for the Root-Raised Cosine Spectrum Appendix G: Parseval’s Energy Theorem Appendix H: Transmission of a Random Process Through a Filter Appendix I: Lowpass Equivalent Representation of Passband Systems Appendix J: Linear Prediction Appendix K: Eigen decomposition of a Circulant Matrix References Index
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