A Clustering Validity Assessment Index. - Youngok Kim; Soowon Lee (PAKDD, 2003)

Orthonormal pulses for high data rate communications in indoor UWB systems. - Youngok Kim; Byungchul Jang; Changyong Shin; Baxter F. Womack (IEEE Commun. Lett., 2005)

Frame Synchronization Exploiting Cauchy Distribution in DMT-Based xDSL Modems. - Youngok Kim; Jaekwon Kim; Joonhyuk Kang; Baxter F. Womack (IEICE Trans. Commun., 2005)

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)

A 2-D Subcarrier Allocation Scheme for Capacity Enhancement in a Clustered OFDM System. - Youngok Kim; Jaekwon Kim (IEICE Trans. Commun., 2007)

Low Complexity FFT Schemes for Multicarrier Demodulation in OFDMA Systems. - Youngok Kim; Jaekwon Kim (IEICE Trans. Commun., 2007)

Performance Evaluation of UWB Systems Exploiting Orthonormal Pulses. - Youngok Kim; Baxter F. Womack (IEEE Trans. Commun., 2007)

Iterative Near-optimal Decoder for STBC from CIOD over Time-Varying Channel. - Eunhye Nam; Namjeong Lee; Keonkook Lee; Joonhyuk Kang; Youngok Kim (EW, 2008)

A power boosting factor determination for the impulse sample in Impulse Postfix OFDM systems. - Byung Moo Lee; Youngok Kim; Heung Ryeol You (ISWCS, 2008)

An Efficient Subcarrier Allocation Scheme for Capacity Enhancement in Multiuser OFDM Systems. - Youngok Kim; Jaekwon Kim (VTC Spring, 2008)

Simple Iterative Near-ML Detection for D-STTD Systems. - Namjeong Lee; Sujin Kim; Jongsub Cha; Joonhyuk Kang; Youngok Kim (VTC Spring, 2008)

Performance Enhancement of STBC-OFDM from CIOD with Interference Cancellation over Time-Varying Channels. - Namjeong Lee; Hoojin Lee; Keonkook Lee; Eunhye Nam; Joonhyuk Kang; Youngok Kim (VTC Fall, 2008)

A novel location finding system for 3GPP LTE. - Jooyoung Kim; Sujin Kim; Na-young Kim; Joonhyuk Kang; Youngok Kim; Kyung-Tae Nam (PIMRC, 2009)

Practical determination of impulse sample power boosting factor in impulse postfix OFDM systems. - Byung Moo Lee; Youngok Kim (IEEE Commun. Lett., 2009)

A novel orthogonal space-time-frequency block code for OFDM systems. - Keonkook Lee; Youngok Kim; Joonhyuk Kang (IEEE Commun. Lett., 2009)

A High Precision Ranging Scheme for IEEE802.15.4a Chirp Spread Spectrum System. - Na-young Kim; Sujin Kim; Youngok Kim; Joonhyuk Kang (IEICE Trans. Commun., 2009)

A Simple Adaptive Switching Scheme between STBC-OFDM and SFBC-OFDM Systems. - Keonkook Lee; Youngok Kim; Joonhyuk Kang (IEICE Trans. Commun., 2009)

Performance Evaluation of a Hybrid TOA/AOA Based IR-UWB Positioning System. - Nammoon Kim; Junho Gal; Eunyoung Lee; Inho Jeon; Youngok Kim (FGIT, 2010)

An efficient inter-unit interference reduction technique for a MSTTD system. - Jongsub Cha; Heyungsub Lee; Youngok Kim (IEEE Commun. Lett., 2010)

A Computationally Efficient Ranging Scheme for IEEE 802.15.4a CSS System. - Sujin Kim; Na-young Kim; Youngok Kim; Joonhyuk Kang (IEICE Trans. Commun., 2010)

Effects of the Location of APs on Positioning Error in RSS Value Based Scheme. - Hyeonmu Jeon; Uk Jo; Mingyu Jo; Nammoon Kim; Youngok Kim (ACN, 2011)

The Effects of Peer Tutoring and Teachable Agent on Interest and Task Performance. - Yeon-hee So; Youngok Kim (CogSci, 2011)

Adaptive Bandwidth Assignment Scheme for Sustaining Downlink of Ka-Band SATCOM Systems under Rain Fading. - Yangmoon Yoon; Donghun Oh; Inho Jeon; You-Ze Cho; Youngok Kim (FGIT-MulGraB (1), 2011)

Low-complexity joint DOA/TOA estimation algorithm for mobile location. - Sooyeob Jung; Sujin Kim; Na-young Kim; Joonhyuk Kang; Youngok Kim (WCNC, 2011)

The impact of impulse postfix length on the BER performance of IP-OFDM systems. - Byung Moo Lee; Youngok Kim (Int. J. Commun. Syst., 2011)

An Efficient ZJ-Based Decoding Algorithm for Space-Time Trellis Codes in Slow Rayleigh Fading Channels. - Jongsub Cha; Youngok Kim; Heyungsub Lee; Joonhyuk Kang (IEEE Trans. Commun., 2011)

Patent Analysis in Disaster-Safety Positioning Technologies. - Hangwon Lee; Youngok Kim (FGIT-GDC/IESH/CGAG, 2012)

A low-complexity single-carrier frequency-division multiple access transmitter. - Haewoon Nam; Youngok Kim (Int. J. Commun. Syst., 2012)

A Computationally Efficient Tree-PTS Technique for PAPR Reduction of OFDM Signals. - Byung Moo Lee; Rui J. P. de Figueiredo; Youngok Kim (Wirel. Pers. Commun., 2012)

Performance Analysis of the Clipping Scheme with SLM Technique for PAPR Reduction of OFDM Signals in Fading Channels. - Byung Moo Lee; Youngok Kim; Rui J. P. de Figueiredo (Wirel. Pers. Commun., 2012)

An Adaptive Clipping and Filtering Technique for PAPR Reduction of OFDM Signals. - Byung Moo Lee; Youngok Kim (Circuits Syst. Signal Process., 2013)

Orthogonal Pulse Design in Consideration of FCC and IEEE 802.15.4a Constraints. - Sujin Kim; Youngok Kim; Xinrong Li; Joonhyuk Kang (IEEE Commun. Lett., 2013)

Maximum likelihood UEP video streaming technique for WirelessMAN-Advancedsystems. - Jeongsik Yun; Youngok Kim; Jaekwon Kim (IEEE Trans. Consumer Electron., 2013)

A Weighted OFDM Signal Scheme for Peak-to-Average Power Ratio Reduction of OFDM Signals. - Chang Eon Shin; Kyung Soo Rim; Youngok Kim (IEEE Trans. Veh. Technol., 2013)

An Adaptive AP Selection Scheme Based on RSS for Enhancing Positioning Accuracy. - Hyeonmu Jeon; Uk Jo; Mingyu Jo; Nammoon Kim; Youngok Kim (Wirel. Pers. Commun., 2013)

A Guard Band Decision Algorithm Based on Information of Spectrum Masks for OFDM-Based CR Systems. - Byung Moo Lee; Youngok Kim (Wirel. Pers. Commun., 2013)

The Impact of Nonlinear HPA on the Determination of the Impulse Sample Power in IP-OFDM Systems. - Byung Moo Lee; Youngok Kim (Wirel. Pers. Commun., 2013)

Performance Evaluation of an Indoor Positioning Scheme Using Infrared Motion Sensors. - Changqiang Jing; Biao Zhou; Nammoon Kim; Youngok Kim (Inf., 2014)

An Enhanced 3D Positioning Scheme Exploiting Adaptive Pulse Selection for Indoor LOS Environments. - Youngok Kim; Nammoon Kim (Wirel. Pers. Commun., 2014)

Joint TOA/AOA Positioning Scheme with IP-OFDM Systems. - Biao Zhou; Changqiang Jing; Youngok Kim (Wirel. Pers. Commun., 2014)

A Hybrid Heading Estimation Scheme Exploiting Smart-phone Inertial Sensors for PDR based Indoor Navigation. - Nammoon Kim; Qingchi Zeng; Youngok Kim (ICADIWT, 2015)

A Hybrid Positioning Scheme Exploiting Sensors and RSS of Wi-Fi Signals. - Nammoon Kim; Uk Jo; Kyungsub Yun; Hyeonmu Jeon; Youngok Kim (Wirel. Pers. Commun., 2015)

Power boosting factor determination in impulse postfix-OFDM-based positioning system. - Biao Zhou; Changqiang Jing; Youngok Kim (Int. J. Commun. Syst., 2016)

Zero-forcing and codebook based beamforming scheme for practical usage of multiuser MIMO-OFDM with uplink channel sounding. - Byung Moo Lee; Youngok Kim (Int. J. Commun. Syst., 2017)

An Energy Conservation Tracking System for the Device-free Target in Wireless Sensor Networks. - Biao Zhou; Deockhyeon Ahn; Jungpyo Lee; Chao Sun; Sabbir Ahmed; Youngok Kim (ICKII, 2018)

A Passive Tracking System Based on Geometric Constraints in Adaptive Wireless Sensor Networks. - Biao Zhou; Deockhyeon Ahn; Jungpyo Lee; Chao Sun; Sabbir Ahmed; Youngok Kim (Sensors, 2018)

A Novel Passive Tracking Scheme Exploiting Geometric and Intercept Theorems. - Biao Zhou; Chao Sun; Deockhyeon Ahn; Youngok Kim (Sensors, 2018)

A Novel Joint TDOA/FDOA Passive Localization Scheme Using Interval Intersection Algorithm. - Lingyu Ai; Min Pang; Changxu Shan; Chao Sun; Youngok Kim; Biao Zhou (Inf., 2021)

Deep Learning-Based Indoor Distance Estimation Scheme Using FMCW Radar. - Kyung-Eun Park; Jeong-Pyo Lee; Youngok Kim (Inf., 2021)

Deep Learning-Based Device-Free Localization Scheme for Simultaneous Estimation of Indoor Location and Posture Using FMCW Radars. - Jeong-Pyo Lee; Kyung-Eun Park; Youngok Kim (Sensors, 2022)

Combined Activity Recognition Based on Continuous-Wave Radar and Vision Transformer. - Junhao Zhou; Chao Sun; Youngok Kim (IEEE Access, 2024)

A Study on the Lightweight and Fast Response GRU Techniques for Indoor Continuous Motion Recognition Based on Wi-Fi CSI. - Kyongseok Jang; Chao Sun; Junhao Zhou; Yongbin Seo; Youngok Kim; Seyeong Choi (IEEE Access, 2025)