The last decade proved to be hugely successful for the mobile communications industry, characterised by continued and rapid growth in demand, spurred on by new technological advances and innovative marketing techniques. Of course, when we refer to mobile communications, we tend to implicitly refer to cellular systems, such as GSM. The plight of the mobile-satellite industry over the last decade, although eventful, has, at times, been more akin to an out of control roller coaster ride. From an innovative start, the industry is now in the process of re-assessing, if not re-inventing itself. While niche satellite markets have continued to grow steadily over the last 10 years,. | Satellite Communication Networks Ray E. Sheriff Y. Fun Hu Mobile Satellite Communication Networks. Ray E. Sheriff and Y. Fun Hu Copyright 2001 John Wiley Sons Ltd ISBNs 0-471-72047-X Hardback 0-470-845562 Electronic Mobile Satellite Communication Networks Mobile Satellite Communication Networks Ray E. Sheriff and Y. Fun Hu Both of University of Bradford UK JOHN WILEY SONS .