This guide for IT professionals presents an introduction to wireless technologies and the design and development of wireless networks. Coverage includes, for example, the components of a wireless network and how they work, the physics behind wireless communications, and protocols such as TCP/IP and OSI. Coverage extends to a discussion of fixed and mobile wireless technologies, wireless LANs and PANs, and optical wireless technologies. The volume also contains case studies of fictional wireless projects in industrial, hospital, college, and home settings.