Welcome to the revolution: overview of the wireless revolution; evolving wireless applications; email and voicemail; LAN access; web surfing; information services; mobile banking, security transactions and e-commerce; vehicle positioning; book preview; chapter-by-chapter overview. Communications basics: powers of ten; frequency; wavelength; the frequency spectrum; bandwidth; power measurements; signal to noise ratio; transmission rate constraints. AMPS: evolution; components; network access; frequency utilization; signalling; date over AMPS; Microcom Networking Protocol. D-AMPS: overview; TDMA; digital radio; Modulation, baud rate; TDM operation; frames. Bluetooth: overview; tecnical details; applications. Wireless LANs: the IEEE 802.11 standard; applications. Future directions: overview of existing equipment; examples of screen displays, data transfer; emerging equipment; where we are headed; equipment constraints.
