RF beamforming considering RF characteristics in MIMO system. - Kyung-Tae Jo; Young-Chai Ko; Hong-Chuan Yang (ICTC, 2010)

Optimal sounding signal design based on MMSE criterion in OFDM system. - Junho Jo; Kyung-Tae Jo; Young-Chai Ko; Seyeong Choi (ICTC, 2013)

Channel Estimation and Performance Evaluation over Ricean Fading for Multiple-Antenna RF Beamforming. - Kyung-Tae Jo; Young-Chai Ko; Seyeong Choi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)