The proliferation of wireless networks and small portable computing devices has led to the emergence of the mobile computing paradigm. Mobile and nomadic users carrying laptops or hand-held computers are able to connect to the Internet through publicly available wireline or wireless networks. In the near future, this trend can only grow as new services and infrastructures delivering wireless voice and multimedia data are deployed. This text is intended for technical and non-technical readers. It includes substantial coverage of the technologies that are shaping mobile computing. Current and future portables technology is covered and explained. Similarly, current and future wireless telecommunication networks technology is covered and reviewed. By presenting commercial solutions and middleware, this book will also help IT professionals who are looking for mobile solutions to their enterprise computing needs. Finally, this book surveys recent research in the area of mobile computing. The research coverage is likely to benefit researchers and students from academia as well as industry.