Wireless communication systems Wireless metropolitan area networks Wireless LANs 5 Broadband communication systems 3 IEEE 802.16 (Standard) 3 Mobile communication systems 3 Design and construction 2 IEEE 802.11 (Standard) 2 Roaming (Telecommunication) 2 Standards 2 Computer algorithms 1 Computer networks 1 Fuzzy logic 1 Internet telephony 1 Routing protocols (Computer network protocols) 1 Workload 1