5. Modulation and Coding

  1. Madhavendra Richharia1 and
  2. Leslie David Westbrook2

Published Online: 7 JUN 2010

DOI: 10.1002/9780470665619.ch5

Satellite Systems for Personal Applications: Concepts and Technology

Satellite Systems for Personal Applications: Concepts and Technology

How to Cite

Richharia, M. and Westbrook, L. D. (2010) Modulation and Coding, in Satellite Systems for Personal Applications: Concepts and Technology, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470665619.ch5

Author Information

  1. 1

    Knowledge Space Ltd, UK

  2. 2

    QinetiQ Ltd, UK

Publication History

  1. Published Online: 7 JUN 2010
  2. Published Print: 23 JUL 2010

Book Series:

  1. Wiley Series on Wireless Communications and Mobile Computing

Book Series Editors:

  1. Dr Xuemin (Sherman) Shen BSc, MSc, PhD3 and
  2. Dr Yi Pan BEng, MEng, PhD4

Series Editor Information

  1. 3

    University of Waterloo, Canada

  2. 4

    Georgia State University, USA

ISBN Information

Print ISBN: 9780470714287

Online ISBN: 9780470665619



  • error control coding;
  • modulation schemes


This chapter discusses on the transmission of digital signals and explores the relationship between signal-tonoise, occupied bandwidth and maximum data rate. It focuses on how coding prior to transmission can be used to detect and even to correct errors, without resort to retransmission. The chapter describes the two main types of error control codes: block codes and convolutional codes. It explains the primary methods employed for modulation and demodulation of digital signals. The use of appropriate coding can achieve performance very close to the Shannon limit with many of these modulation schemes, thereby combining high spectral efficiency and sensitivity are showed. The chapter explains how the performance of the communications and broadcasting systems employing the modulation schemes of this chapter can be improved through the use of error control coding.

Controlled Vocabulary Terms

error correction codes; modulation