In nine comprehensive chapters this volume guides its audience through the fundamental areas of LBSs and provides detailed coverage of the scientific challenges facing their development. It also deals with underlying service platforms and interfaces, which will be invaluable for developers who faced with having to realize LBSs. It commences with an introduction to wireless transmissions and mobile networks, proceeds with; location management and positioning methods, and concludes with the challenges faced, geographic location formats, protocols, service platforms, and finally examples of...