frequency and wavelength, 143-4 and voltage standing wave ratio, 57-8 ionising and non-ionising radiations, 146 VSWR and reflection coefficient, 58 radio transmission, history of, 137-8 ReFlex, 7, 8 radio waves, nature of, 138-43 REGISTER method, 232 terms used, explanation of, 146-8 Release, 99, 306 Radio Link Protocol (RLC), 306, 308 Repeat-accumulate (RA) codes, 209 Radio Network Controller (RNC), 306 Request message, 234 Radio Resource Control (RRC) protocol, 308 Request to send (RTS) packet, 389, 417 Radio transmission, history of, 139-40 Research into Advanced Communications in Europe (RACE), Radio wave propagation techniques: electromagnetic waves, properties of, 20 Resource base class, 102 free-space radiation, 20-3 Resource Reservation Protocol (RSVP), 193-4 Rake receiver, 310, 409 ResourceFactory class, 104 Random backoff, 385 Response code, 235 Raptor codes, 209 Response message, 234 'Rat-race' coupler, 66-7 RESV messages, 195 Rate-compatible convolutional codes, 304 Return loss, 56-7 Rate compatible punctured convolutional (RCPC) codes, 205 RF and wireless technology, survey of: Rate-distortion function, 201 current technologies, 3 Rate-distortion (R-D) optimization techniques, 229, 242 applications, 8 Rate-distortion optimized (RaDiO) streaming, 224 fixed location systems, 5-6 basic framework, 224-6 local area systems, 6-7 receiver-driven streaming, 226, 227 wide area mobile systems, 7-8 Index RF and wireless technology, survey of: (continued) Bluetooth, 425 foreseeable future: error correction and encryption, 428-9 advanced networking, 10 inquiry and paging, 429-30 increased access, 10-11 packet format, 428 increased throughput, 10 conflict and compatibility, 433 smart antennas, 9-10 Bluetooth and Wi-Fi coexistence, improving, 435-6 software radio, 8-9 ultra-wideband (UWB) technology, 436-9 ubiquity, 11 wireless local area networks (WLAN), 413 ultrawideband signals, 9 HIPERLAN/2, 424 short history, 3 HomeRF Working Group, 414 RF machines and RF plant, 148 network architecture, 415-17 RGB video signa