Koushik Sinha is a faculty member in the Department of Computer Science, Southern Illinois University, Carbondale, USA. He has more than a decade of R&D work experience at several renowned organizations such as Qatar Computing Research Institute, Hewlett-Packard Labs, and Honeywell Technology Solutions. He was also a Visiting Scientist at the Indian Statistical Institute, Bangalore. His current research areas include secure and energy-efficient wireless communication in ad hoc and sensor networks, mobile computing, and social computing. He is a Senior Member of the IEEE. Sasthi C. Ghosh is a faculty member at the Advanced Computing and Microelectronics Unit of the Indian Statistical Institute, Calcutta, India. Prior to that, he worked on UMTS network design as a Research Associate in the School of Computer Science, Cardiff University, Cardiff, UK. He also visited the Department of Electrical and Computer Engineering, McMaster University, Ontario, Canada and the Institute of Mathematical Science, Chennai, India. His current research interests include UMTS network design, wireless mesh networks (WiFi & WiMax), mobile computing, and wireless networks. Bhabani P. Sinha is a professor at the Advanced Computing and Microelectronics Unit of the Indian Statistical Institute, Calcutta. He also holds a Distinguished Adjunct Professor position at the National Institute of Technology, Arunachal Pradesh, India. He was an Indian Space Research Organization Chair Professor at the Indian Institute of Technology Kharagpur, India. He was a Humboldt fellow of Germany and also a visiting faculty of Southern Illinois University, Carbondale, University of Central Florida, Orlando, and Clemson University, South Carolina. He has more than forty years of research experience in the areas of computer architectures, algorithms, parallel and distributed computing, mobile computing, and wireless communication. He served as an editor of the IEEE Transactions on VLSI Systems and as a subject area editor of the Journal of Parallel and Distributed Computing. He is a Fellow of the IEEE, USA.

• Introduction. Mobility Management in Cellular Networks. Bandwidth Management in Cellular Networks. Localization of Nodes in Mobile Networks. Message Communication in Ad Hoc Networks. Wireless Local Area Networks. Placement of Sensor Nodes in a WSN. Energy-Efficient Communication. Security in Wireless Communication.

Koushik Sinha is a faculty member in the Department of Computer Science, Southern Illinois University, Carbondale, USA. He has more than a decade of R&D work experience at several renowned organizations such as Qatar Computing Research Institute, Hewlett-Packard Labs, and Honeywell Technology Solutions. He was also a Visiting Scientist at the Indian Statistical Institute, Bangalore. His current research areas include secure and energy-efficient wireless communication in ad hoc and sensor networks, mobile computing, and social computing. He is a Senior Member of the IEEE. Sasthi C. Ghosh is a faculty member at the Advanced Computing and Microelectronics Unit of the Indian Statistical Institute, Calcutta, India. Prior to that, he worked on UMTS network design as a Research Associate in the School of Computer Science, Cardiff University, Cardiff, UK. He also visited the Department of Electrical and Computer Engineering, McMaster University, Ontario, Canada and the Institute of Mathematical Science, Chennai, India. His current research interests include UMTS network design, wireless mesh networks (WiFi & WiMax), mobile computing, and wireless networks. Bhabani P. Sinha is a professor at the Advanced Computing and Microelectronics Unit of the Indian Statistical Institute, Calcutta. He also holds a Distinguished Adjunct Professor position at the National Institute of Technology, Arunachal Pradesh, India. He was an Indian Space Research Organization Chair Professor at the Indian Institute of Technology Kharagpur, India. He was a Humboldt fellow of Germany and also a visiting faculty of Southern Illinois University, Carbondale, University of Central Florida, Orlando, and Clemson University, South Carolina. He has more than forty years of research experience in the areas of computer architectures, algorithms, parallel and distributed computing, mobile computing, and wireless communication. He served as an editor of the IEEE Transactions on VLSI Systems and as a subject area editor of the Journal of Parallel and Distributed Computing. He is a Fellow of the IEEE, USA.

• Introduction. Mobility Management in Cellular Networks. Bandwidth Management in Cellular Networks. Localization of Nodes in Mobile Networks. Message Communication in Ad Hoc Networks. Wireless Local Area Networks. Placement of Sensor Nodes in a WSN. Energy-Efficient Communication. Security in Wireless Communication.

Koushik Sinha is a faculty member in the Department of Computer Science, Southern Illinois University, Carbondale, USA. He has more than a decade of R&D work experience at several renowned organizations such as Qatar Computing Research Institute, Hewlett-Packard Labs, and Honeywell Technology Solutions. He was also a Visiting Scientist at the Indian Statistical Institute, Bangalore. His current research areas include secure and energy-efficient wireless communication in ad hoc and sensor networks, mobile computing, and social computing. He is a Senior Member of the IEEE. Sasthi C. Ghosh is a faculty member at the Advanced Computing and Microelectronics Unit of the Indian Statistical Institute, Calcutta, India. Prior to that, he worked on UMTS network design as a Research Associate in the School of Computer Science, Cardiff University, Cardiff, UK. He also visited the Department of Electrical and Computer Engineering, McMaster University, Ontario, Canada and the Institute of Mathematical Science, Chennai, India. His current research interests include UMTS network design, wireless mesh networks (WiFi & WiMax), mobile computing, and wireless networks. Bhabani P. Sinha is a professor at the Advanced Computing and Microelectronics Unit of the Indian Statistical Institute, Calcutta. He also holds a Distinguished Adjunct Professor position at the National Institute of Technology, Arunachal Pradesh, India. He was an Indian Space Research Organization Chair Professor at the Indian Institute of Technology Kharagpur, India. He was a Humboldt fellow of Germany and also a visiting faculty of Southern Illinois University, Carbondale, University of Central Florida, Orlando, and Clemson University, South Carolina. He has more than forty years of research experience in the areas of computer architectures, algorithms, parallel and distributed computing, mobile computing, and wireless communication. He served as an editor of the IEEE Transactions on VLSI Systems and as a subject area editor of the Journal of Parallel and Distributed Computing. He is a Fellow of the IEEE, USA.

• Introduction. Mobility Management in Cellular Networks. Bandwidth Management in Cellular Networks. Localization of Nodes in Mobile Networks. Message Communication in Ad Hoc Networks. Wireless Local Area Networks. Placement of Sensor Nodes in a WSN. Energy-Efficient Communication. Security in Wireless Communication.