As the wireless world opens up, this book explores the evolving role of multimedia and UMTS technology in the mobile communications sector. The author draws on his extensive experience in the field to provide an approach that will appeal to academia and industry alike, covering hot topics such as regulation and licensing, services and applications, markets, security, devices and terminals and charging schemes. Numerous examples from international sources are used to illustrate the current status of the technology around the globe, examining the implications of its evolution to 4G. It focuses on commercial considerations such as regulation, markets, security and charging issues. It provides wide ranging content on the business issues that are attractive to a non technical readership. It puts 3G and UMTS into context by showing its evolution to its present status as well as giving an outlook on the future of mobile communications. It includes state of the art advice on 3G and UMTS architecture and deployment. Illustrated with practical examples from around the world, this is essential reading for technicians and engineers recruited to develop the UMTS and WLAN networks; employees of operators and manufacturers in the industry, new recruits to regulators, and administrators wishing to gain a background understanding of the business of mobile multimedia.