The second edition of Mobile Computing is a comprehensive text with updated coverage of recent trends and advancements in the fast-moving field of computing in mobile environment. Designed to serve as a textbook for the students of CSE, IT, ECE, and those pursuing MCA, it offers an insight into the fundamental principles behind different access technologies as well as their service and application aspects. The second edition of Mobile Computing is a comprehensive text with updated coverage of recent trends and advancements in the fast-moving field of computing in mobile environment. Designed to serve as a textbook for the students of CSE, IT, ECE, and those pursuing MCA, it offers an insight into the fundamental principles behind different access technologies as well as their service and application aspects. The first few chapters give a balanced presentation of the concepts of mobile computing and mobile communication, including 2G, 2.5G, 3G, 3G+, and 4G communication systems, mobile satellite communication networks, mobile IP, mobile TCP and digital audio-video broadcasting, and mobile TV. The subsequent chapters provide a systematic explanation of mobile computing as a discipline in itself. The book provides an in-depth coverage of mobile systems and devices, mobile operating systems used for application development, mobile databases, client-server computing agents, application servers, security protocols, mobile Internet, and ad-hoc and sensor networks.