Mobile communication systems 129 Wireless communication systems 40 Mobile communication systems in education 33 Dissertations 18 Dissertations, Academic 18 Educational technology 15 Mobile computing 13 Radio 11 Effect of technological innovations on 9 Design and construction 8 Fading 8 Multimedia systems 8 Technological innovations 8 Transmitters and transmission 8 Security measures 7 Code division multiple access 6 Computer networks 6 Digital communications 6 Education 6 Instant messaging 6 Long-Term Evolution (Telecommunications) 6 TCP/IP (Computer network protocol) 6 Telecommunication 6 Antennas (Electronics) 5 Broadband communication systems 5 Cell phone systems 5 Design 5 IEEE 802.16 (Standard) 5 Roaming (Telecommunication) 5 Wireless LANs 5