Spread spectrum communications Code division multiple access 4 Radio 2 Access control 1 Adaptive antennas 1 Broadband communication systems 1 Cell phone systems 1 Design 1 Dissertations 1 Dissertations, Academic 1 Electronics in military engineering 1 Global system for mobile communications 1 Interference 1 Military telecommunication 1 Mobile communication systems 1 Multichannel communication 1 Multiplexing 1 Orthogonal frequency division multiplexing 1 Phase-locked loops 1 Radio frequency modulation 1 Signal processing 1 Signal theory (Telecommunication) 1 Transmitter-receivers 1 Wireless communication systems 1