75159484
Sep 3, 1996
wireless communication systems comprised of radio base station transceivers and controllers, switching equipment, and user radio-based transceivers, communication networks formed by connecting wireless communication systems with each other and/or with other types of networks or equipment, namely, cellular systems, cellular networks, cellular telephones, cordless telephones, modems, wireless communication systems used a local access loops, ie, WLL, wireless key telephone systems, ie, WKTS, and handsets therefor, wireless Private Automatic Branch Exchange, ie, WPABX, and handsets therefor, Personal Communications Services and networks, ie, PCS and PCN, and handsets therefor, wireless local and metropolitan area networks, ie, WLAN and WMAN, and terminals therefor; radio frequency (RF) and intermediate frequency (IF) transceiver circuit assemblies, analog and digital signal processing circuit assemblies, battery packs, communication modems, circuit assemblies for data processing, switching and vocoder data selection circuit assemblies, computer utility software for use in connection with such assemblies, integrated circuits for spread spectrum modulation, spread spectrum demodulation, error correction encoding, error correction decoding, vocoding and preprogrammed memories containing processor instructions
Electrical and Scientific Apparatus