Trends in Communication Technologies and Engineering Science contains revised and extended research articles written by prominent researchers participating in a large international conference on Advances in Communication Technologies and Engineering Science. The conference is held in Hong Kong, March 19-21, 2008. Topics covered include communications theory, communications prools, network management, wireless networks, telecommunication, electronics, power engineering, control engineering, signal processing, and industrial applications. Trends in Communication Technologies and Engineering Science offers tremendous state of the art advances in communication systems and engineering science which also serves as an excellent reference work for researchers and graduate students working on communication technologies and engineering science.