Volume 1: Communication Systems -- Data Management and Database System -- Digital Image Processing -- Education and Informatics -- Enabling Technologies -- Forensics, Recognition Technologies and Applications -- Fuzzy System and Control -- Green Computing -- Volume 2: Graphics and Visualizing.- Internet Growth Modelling and Virtualized Networks -- Network Components and Application -- Network Design Methodology -- Semantic Web and Intelligent Search -- Social and Economical Systems -- Web Service -- Wireless Network.

Green Communications and Networks presents 95 papers chosen for publication from among 190 reviewed papers accepted for presentation to the International Conference on Green Communications and Networks (GCN 2011), held in Chongqing, China, July 15-17, 2011. GCN 2011 provided a venue for leading academic and industrial researchers to exchange their views, ideas and research results on innovative technologies and sustainable solutions leading to greener communications and networks. In addition to paper presentations, the conference featured keynote speakers and a panel discussion. Reflecting the broad scope of the conference, the contents are organized in these topical categories: Communication Systems Data Management and Database System Digital Image Processing Education and Informatics Enabling Technologies Forensics, Recognition Technologies and Applications Fuzzy System and Control Graphics and Visualizing Green Computing Internet Growth Modelling and Virtualized Networks Network Components and Application Network Design Methodology Semantic Web and Intelligent Search Social and Economical Systems Web Service Wireless Network Collectively, these papers offer novel ideas, new results, reports on work in progress and state-of-the-art techniques in the field. Further, they will serve to stimulate new research on sustainable practices in the area of information computing and applications.