This is an all-in-one, application- and service-focused look at how existing wireless technologies are evolving into 3G - and how this trend impacts the bottom line. It describes the different technology types, design issues for handset and network systems, economics, and the future of 3G - vital topics for anyone working in wireless, cellular, and PCS, from marketing managers to technicians. Helpful appendices identify key companies involved with the products and services highlighted in the book.