Yang Xiao, Security, Telemedicine, Sensor networks, and Wireless networks, Alabama, Memphis, 802.11, 802.11e, 802.11n, 802.16, 802.20, 802.15.1, 802.15.2, 802.15.3, 802.15.4, WiFi, WiMAX, Bluetooth, ZigBee, IEEE, International Journal of Security and Networks (IJSN), International Journal of Sensor Networks (IJSNet), and International Journal of Telemedicine and Applications (IJTA),