Broadband communication systems Wireless communication systems 168 Ultra-wideband devices 70 Mobile communication systems 48 IEEE 802.16 (Standard) 41 Asynchronous transfer mode 31 Standards 25 Antennas (Electronics) 22 Computer networks 22 Microstrip antennas 22 Integrated services digital networks 20 Signal processing 20 Wireless LANs 19 Design and construction 17 Ultra-wideband antennas 16 Optical fiber subscriber loops 15 Telecommunication 14 Cellular telephone systems 12 Artificial satellites in telecommunication 11 Equipment and supplies 11 Antenna arrays 10 Computer network architectures 10 Local area networks (Computer networks) 10 Mathematical models 10 Telecommunication systems 10 Multimedia systems 9 Cable television 8 Information technology 8 TCP/IP (Computer network protocol) 8 Code division multiple access 7