Wireless communication systems 180 Mobile communication systems 39 Design and construction 25 Wireless LANs 22 Computer networks 14 Dissertations 14 Dissertations, Academic 13 Antennas (Electronics) 11 Equipment and supplies 11 Roaming (Telecommunication) 11 IEEE 802.16 (Standard) 10 Wireless sensor networks 10 Broadband communication systems 9 Mobile computing 9 Wireless metropolitan area networks 9 Ad hoc networks (Computer networks) 8 Orthogonal frequency division multiplexing 8 Security measures 8 Code division multiple access 7 Computer network protocols 7 Quality control 7 Standards 7 Wireless communication systems in medical care 7 Routing protocols (Computer network protocols) 6 Signal processing 6 Cognitive radio networks 5 IEEE 802.11 (Standard) 5 Management 5 Routers (Computer networks) 5 Sensor networks 5