Spectrum Sensing Method for Increasing the Spectrum Efficiency in Wireless Sensor Network. - Ning Han; Sung Hwan Shon; Jong Ok Joo; Jae Moung Kim (UCS, 2006)

Pilot Periodicity Based OFDM Signal Detection Method for Cognitive Radio System. - Sung Hwan Shon; Ning Han; Guanbo Zheng; Jae Moung Kim (IEICE Trans. Commun., 2008)

A Blind OFDM Detection and Identification Method Based on Cyclostationarity for Cognitive Radio Application. - Ning Han; Sung Hwan Shon; Jae Moung Kim (IEICE Trans. Commun., 2009)

HMM-based Adaptive Frequency-Hopping Cognitive Radio System to Reduce Interference Time and to Improve Throughput. - Sung Hwan Shon; Sung Jeen Jang; Jae Moung Kim (KSII Trans. Internet Inf. Syst., 2010)