Impulse Symbol Based Channel Estimation in OFDM Systems. - Namseok Chang; Joonhyuk Kang (PIMRC, 2006)

Design of Novel Orthogonal Space-Time-Frequency Block Codes for OFDM systems Over Fading Channel Environments. - Keonkook Lee; Hoojin Lee; Namseok Chang; Joonhyuk Kang (VTC Fall, 2007)

MIMO-OFDM Downlink Channel Prediction for IEEE802.16e Systems Using Kalman Filter. - Changkee Min; Namseok Chang; Jongsub Cha; Joonhyuk Kang (WCNC, 2007)

Statistic-Based Magnitude Determination of Impulse Sample in Impulse Postfix OFDM Systems. - Namseok Chang; Na-young Kim; Joonhyuk Kang; Youngok Kim; Hyunbeom Lee (IEICE Trans. Commun., 2007)

Adaptive Switching Technique for Space-Time/Frequency Coded OFDM Systems. - Namseok Chang; Gye-Tae Gil; Joonhyuk Kang; Gangyoul Yu (IEICE Trans. Commun., 2008)

Secrecy Rate for MISO Rayleigh Fading Channels with Relative Distance of Eavesdropper. - Namseok Chang; Chan-Byoung Chae; Jeongseok Ha; Joonhyuk Kang (IEEE Commun. Lett., 2012)

Bio-Electrical Impedance Analysis for Wrist-Wearable Devices. - Artem Nikishov; Konstantin Pavlov; Namseok Chang; Jaehyuck Park; Wonseok Lee; Justin Younghyun Kim (BHI, 2022)

Sweat Loss Estimation Solution for Smartwatch. - Konstantin Pavlov; Alexey Perchik; Vladimir Tsepulin; Georgii Megre; Evgenii Nikolaev; Elena Volkova; Jaehyuck Park; Namseok Chang; Wonseok Lee; Justin Younghyun Kim (BSN, 2022)

Sweat Loss Estimation Algorithm for Smartwatches. - Konstantin Pavlov; Alexey Perchik; Vladimir Tsepulin; George Megre; Evgenii Nikolaev; Elena Volkova; Georgii Nigmatulin; Jaehyuck Park; Namseok Chang; Wonseok Lee; Justin Younghyun Kim (IEEE Access, 2023)

Body Fat Mass Estimation by Smartwatches. - Artem Nikishov; Konstantin Pavlov; Namseok Chang; Jaehyuck Park; Wonseok Lee; Justin Younghyun Kim (GLOBECOM, 2024)