Design and implementation of tiny-WiMAX connection manager (t-WCM) for specific purposed devices. - Seokhoon Kim; Intae Ryoo; Hangki Joh (IEEE Trans. Consumer Electron., 2009)

Consumer Propensity and Location Analysis based Real-time Location Tracing Advertisement Service Design and Implementation - Real-time Location based Advertisement System. - Daehee Won; Yoonsoo Kim; Hangki Joh; Intae Ryoo; Doungyung Suh (SIGMAP, 2012)

A hybrid transmission technique for IoT networking environment. - Hangki Joh; Inhwan Yang; Intae Ryoo (ICTC, 2015)

A hybrid Wi-Fi P2P with bluetooth low energy for optimizing smart device's communication property. - Hangki Joh; Intae Ryoo (Peer-to-Peer Netw. Appl., 2015)

The internet of everything based on energy efficient P2P transmission technology with Bluetooth low energy. - Hangki Joh; Inhwan Yang; Intae Ryoo (Peer-to-Peer Netw. Appl., 2016)