Code division multiple access Wireless communication systems 101 Mobile communication systems 62 Standards 39 Global system for mobile communications 25 Optical communications 22 Spread spectrum communications 13 MIMO systems 11 Telecommunication systems 11 Wavelength division multiplexing 11 Optical fiber communication 10 Cellular telephone systems 8 Broadband communication systems 7 Personal communication service systems 6 Optical communication 5 Radio 5 Signal processing 5 Transmitters and transmission 5 Data transmission systems 4 Capacity theory (Mathematics) 3 Communication 3 Computer network 3 Computer networks 3 Design and construction 3 Internet 3 Time division multiple access 3 Very high speed integrated circuits 3 Wireless LANs 3 Adaptive antennas 2 Computer algorithms 2