Satellite communications have been in service for more than 40 years and represent the largest space industry. This book gives insights for future development of satellite communications and explores the new technologies and services yet to be developed. A new demand for advanced Internet and IP services, entertainment, and multicasting services as well as advanced applications related to multimedia, telecommuting, etc. are the driving forces behind new satellite and communications research and development. The text includes detailed descriptions for near-term and future trends.