2024
Suhwan Jang and Chungyong Lee, "Learning-Aided Channel Estimation for Wideband mmWave MIMO Systems With Beam Squint," IEEE Transactions on Wireless Communications, to be published
2022
Suhwan Jang, Chaehun Im, Hyunwook Lee and Chungyong Lee, "A Single-Snapshot Localization for Monostatic FDA-MIMO Radar," IEEE Communications Letters, vol. 26, no. 12, pp. 2899-2903, Dec. 2022
2021
2020
2019
Ilgyu Choi and Chungyong Lee, "A Codeword Search Scheme for Massive MIMO Systems," IEEE Transactions on Vehicular Technology, vol. 68, no. 7, pp. 6878-6890, Jul. 2019
2018
2017
2016
Jeehwan Noh, Taeyoung Kim, Ji-Yun Seol and Chungyong Lee, "Zero-Forcing Based Hybrid Beamforming for Multi-User Millimeter Wave Systems," IET Communications, vol. 10, no. 18, pp. 2670-2677, Dec. 2016
Dongkyu Sim, Kyeongyeon Kim and Chungyong Lee, "A Layered Detection Algorithm Based on Interference Cancellation for FBMC-QAM," IEEE Communications Letters, vol. 20, no. 10, pp. 1939-1942, Oct. 2016
Misun Yoon and Chungyong Lee, "An Improved TR Prefilter for SSR Maximization in Indoor Wireless Communication System," Wireless Personal Communications, pp. 1-14, Jun. 2016
Hoondong Noh, Younsun Kim and Chungyong Lee, "Channel Magnifying Limited Feedback Technique for FDD Massive MIMO Systems," Wireless Personal Communications, vol. 88, no. 4, pp. 953-962, Mar. 2016
Misun Yoon, Myoungseok Kim and Chungyong Lee, "A Dynamic Cell Clustering Algorithm for Maximization of Coordination Gain in Uplink Coordinated System," IEEE Transactions on Vehicular Technology, vol. 65, no. 3, pp. 1752-1760, Mar. 2016
2015
Ilgyu Choi and Chungyong Lee, "A Scaled Hard Interference Cancellation Scheme in Uplink Multi-cell Environment," IEEE Transactions on Vehicular Technology, vol. 64, no. 12, pp. 5741-5749, Dec. 2015
Hoondong Noh, Younsun Kim, Juho Lee and Chungyong Lee, "Codebook Design of Generalized Space Shift Keying for FDD Massive MIMO Systems in Spatially Correlated Channels," IEEE Transactions on Vehicular Technology, vol. 64, no. 2, pp. 513-523, Feb. 2015
Hoondong Noh and Chungyong Lee, "A Covariance Approximation Method for Near-field Coherent Sources Localization Using Uniform Linear Array," IEEE Journal of Oceanic Engineering, vol. 40, no. 1, pp. 1-9, Jan. 2015
2014
Hoondong Noh and Chungyong Lee, "Adaptive Power Allocation for Maximizing the Sum Rate of Multiple Interfering Links under Minimum Rate Constraints," Wireless Personal Communications, Vol. 77, no. 1, pp. 529-539, Jul. 2014
Jeehwan Noh, Hyemin Song and Chungyong Lee, "An Error Pattern Estimation Scheme for Iterative Receiver in MIMO Systems," IEEE Communications Letters, vol. 18, no. 4, pp. 552-555, Feb. 2014
2013
Bumsoo Lee and Chungyong Lee, "An Incremental Hop Selection Scheme for Amplify-and-Forward Multi-Hop Networks," IEEE Communications Letters, vol. 17, no. 9, pp. 1726-1729, Sep. 2013
Bumsoo Lee and Chungyong Lee, "Performance Analysis of Cooperative Multi-Hop Networks With Hop Selection in Nakagami-m Fading Channels," IEEE Transactions on Wireless Communications, vol. 12, no. 8, pp. 3851-3859, Aug. 2013
Joondoo Kim and Chungyong Lee, "Multi-dimensional Constellation Tilting for Reducing the Power Loss of Tomlinson-Harashima Precoder," Wireless Personal Communications, Vol. 72, no. 2, pp. 1043-1049, Feb. 2013
2012
Dohoon Kim, Kyu-Min Kang and Chungyong Lee, "An Application of MB-OFDM UWB Technology for Wireless Speaker Systems," IEEE Transactions on Consumer Electronics, vol. 58, no. 4, pp. 1169-1175, Nov. 2012
Wonwoo Park, Sungheon Jeong, Hong-Yeop Song and Chungyong Lee, "The Global Optimality of the MIMO Cooperative System With Source and Relay Precoders for Capacity Maximization," IEEE Transactions on Communications, vol.60, no.10, pp.2886-2892, Oct. 2012
Joondoo Kim and Chungyong Lee, "Power Loss Analysis of Tomlinson-Harashima Precoder With Tilted Constellation in Flat Fading MIMO Channels," IEEE Transactions on Wireless Communications, vol.11, no.9, pp.3368-3376, Sep. 2012
Myoung-Seok Kim, Misun Yoon and Chungyong Lee, "Performance Analysis of a Frequency-Domain Equal-Gain-Combining Time-Reversal Scheme for Distributed Antenna Systems," IEEE Communications Letters, vol.16, no.9, pp.1454-1457, Sep. 2012
Byungwook Yoo and Chungyong Lee, "MMSE-Based Precoders for Cooperative MIMO Systems with Direct Link," IEICE Transactions on Communications, vol.E95-B, no. 9, pp.2999-3002, Sep. 2012
Jeehwan Noh and Chungyong Lee, "Amplify-and-Forward Relay Filter Design with MIMO System for Two-Way Relay Channels," IEICE Transactions on Communications, vol.E95-B,no.7,pp.2442-2445, Jul. 2012
Sigit Aryo Pambudi, Bumsoo Lee and Chungyong Lee, "Joint Power Allocation for Differentially Modulated Wireless Relay Networks," IEEE Transactions on Wireless Communications, vol. 11, no. 4, pp 1468-1477, Apr. 2012
Misun Yoon, Myoung-Seok Kim and Chungyong Lee, "Decentralized Precoding Algorithm With Weighted SLNR for Limitedly Coordinated Network," IEEE Communications Letters, vol. 16, no. 3, pp. 318-320, Mar. 2012
Dohoon Kim, Kyumin Kang and Chungyong Lee, "A Frequency Offset Estimation and Compensation Scheme for MB-OFDM UWB Modem," IEICE Transactions on Communications, vol. E95-B, no. 3, pp. 1015-18, Mar. 2012
2011
Seungkyu Choi and Chungyong Lee, "A User Scheduling With Minimum-rate Requirement for Maximum Sum-rate in MIMO-BC," IEICE Transactions on Communications, vol. E94-B, no. 11, pp. 3179-3, Nov. 2011
Dohoon Kim, Kyumin Kang and Chungyong Lee, "A Multi-band OFDM Ultra-wideband SoC in 90 nm CMOS Technology," IEEE Transactions on Consumer Electronics, vol. 57, no. 3, pp. 1064-8211, Aug. 2011
Joondoo Kim, Jiwon Kang and Chungyong Lee, "Block Tomlinson-Harashima Precoding With Vector Perturbation for Multiuser MIMO Downlink," IEICE Transactions on Communications, vol. 94, no. 1, pp. 355-358, Jan. 2011
2010
Hyunil Kwon, Myeongcheol Shin and Chungyong Lee, "A Structured Codebook With Various Codeword Configurations for Downlink MIMO Systems," IEICE Transactions on Communications, vol. E93-B, no. 11, pp. 3193-3, Nov. 2010
Jiwon Kang, Dong-Seung Kwon and Chungyong Lee, "Performance Optimization of Tomlinson-Harashima Precoder With Tilted Constellation," IEEE Communications Letters, vol. 14, no. 10, pp. 909-911, Oct. 2010
Jaesang Ham and Chungyong Lee, "Performance Analysis of Code Selection Algorithm Based on QO-STBCs," IET Communications, vol. 4, no. 15, pp. 1847-1854, Oct. 2010
Myoung-Seok Kim, Jaesang Ham and Chungyong Lee, "Channel-Based Multi-Dimensional Set Partitioning for MIMO Reduced-State Sequence Estimation," IEEE Communications Letters, vol. 14, no. 10, pp. 903-905, Oct. 2010
Jaesang Ham and Chungyong Lee, "Power Control Techniques for Two-Stream MIMO System With Maximum Likelihood Receiver," IEEE Signal Processing Letters, vol. 17, no. 7, pp. 663-666, Jul. 2010
Jiwon Kang, Joondoo Kim, Dong-Seung Kwon and Chungyong Lee, "Codebook-Based Opportunistic Beamforming for Downlink Multiple Input Multiple Output Systems," IET Communications, vol. 4, no. 10, pp. 1187-1195, Jul. 2010
Byungwook Yoo, Wonwoo Park, Kyu Ha Lee and Chungyong Lee, "A Simple Linear Precoder for Selection-Type Cooperative MIMO Systems," IEEE Communications Letters, vol. 14, no. 4, pp. 306-308, Apr. 2010
Jiwon Kang, Hakju Lee and Chungyong Lee, "Efficient MIMO Scheduling Algorithms With a Fixed Time Allocation Ratio," IEEE Transactions on Vehicular Technology, vol. 59, no. 1, pp. 170-181, Jan. 2010
2009
Hoondong Noh, Myoung-Seok Kim, Jaesang Ham and Chungyong Lee, "A Practical MMSE-ML Detector for MIMO SC-FDMA system," IEEE Communications Letters, vol. 13, no. 12, pp. 902-904, Dec. 2009
Jiwon Kang, Hyungwoo Ku, Dong-Seung Kwon and Chungyong Lee, "Tomlinson-Harashima Precoder With Tilted Constellation for Reducing Transmission Power," IEEE Transactions on Wireless Communications, vol. 8, no. 7, pp. 3658-3667, Jul. 2009
Myeongcheol Shin, Sangheon Kim, Jiwon Kang and Chungyong Lee, "An Efficient Multi-mode Quantized Precoding Technique for MIMO Wireless Systems," IEEE Transactions on Vehicular Technology, vol. 58, no. 2, pp. 733-743, Feb. 2009
Myeongcheol Shin, Jiwon Kang, Byungwook Yoo and Chungyong Lee, "An Efficient Searching Algorithm for Receive Minimum Distance in MIMO Systems With ML Receiver," IEICE Transactions on Communications, vol. E92-B, no. 1 pp. 330-333, Jan. 2009
2008
Jaesang Ham, Myoung-Seok Kim, Chungyong Lee and Taewon Hwang, "An Adaptive Modulation Algorithm for Performance Improvement of MIMO ML Systems," IEEE Communications Letters, vol. 12, no. 11, pp. 819-821, Nov. 2008
Jaesang Ham, Kyeongyeon Kim, Sangheon Kim and Chungyong Lee, "Link-Adaptive MIMO Systems with Ordered SIC Receiver using Stream Ordering Algorithms in Multiuser Environments," IEEE Transactions on Vehicular Technology, vol. 57, no. 5, pp. 3224-3230, Sep. 2008
Joon-doo Kim, Jiwon Kang, Dongseung Kwon and Chungyong Lee, "An Improved Tomlinson-Harashima Precoder for Multi-user MIMO systems," ITC-CSCC 2008
Hee-Young Park, Ki-Man Kim, Hyun-Woo Kang, Dea-Hee Youn and Chungyong Lee, "A Simplified Subspace Fitting Method for Estimating Shape of a Towed Array," IEEE Journal of Oceanic Engineering, vol. 33, no. 2, pp. 215-223, Apr. 2008
2007
Sangheon Kim, Myeongcheol Shin and Chungyong Lee, "Transmit Antenna Selection Scheme for Iterative Receivers in MIMO Systems," IEEE Signal Processing Letters, vol. 14, no. 12, pp. 916-919, Dec. 2007
Kyeongyeon Kim, Jaesang Ham and Chungyong Lee, "A Simple Code Allocation Algorithm Based on Asymptotic Analysis of MIMO MC-CDMA Systems in a Multi-cell Environment," IEICE Transactions on Communications, vol. E90-B, no. 12, pp. 3708-3, Dec. 2007
Myeongcheol Shin, Sangheon Kim, Jiwon Kang and Chungyong Lee, "An Efficient Multi-mode Precoding for MIMO Systems With Full CSI," IEICE Trans. Commun., vol. E90-B, no. 10, pp. 2973-2, Oct. 2007
Yoonjoo Kwon, Myeongcheol Shin, Kyungho Kim and Chungyong Lee, "An Efficient Code Timing Acquisition for MIMO CDMA Systems," IEEE Transactions on Vehicular Technology, vol. 56, no. 5, pp. 2954-2964, Sep. 2007
Sunghun Jung, Myeongcheol Shin, Hee-Young Park and Chungyong Lee, "A New Approximation of the Receive Minimum Distance and Its Application to MIMO Systems," IEICE Transactions on Communications, vol. E90-B no. 2 pp. 385-387, Feb. 2007
2006
Seungil Kim, Chungyong Lee and Hong-Goo Kang, "Optimum Beamformer in Correlated Source Environments," The Journal of the Acoustical Society of America, vol. 120, no. 6, pp. 3770-3781, Dec. 2006
2005
Jaesang Ham, Seijoon Shim, Kyeongyeon Kim and Chungyong Lee, "A Simplified Adaptive Modulation Scheme for D-STTD system With Linear Receivers," IEEE Communications Letters, vol. 9, no. 12, pp. 1049-1051, Dec. 2005
Kyeongyeon Kim, Seijoon Shim, Chungyong Lee and Youngyong Kim, "A Simplified Ordering Scheme Minimizing Average BER for MIMO Systems With Adaptive Modulation," IEICE Transactions on Communications, vol. E88-B, pp. 4390-4393, Nov. 2005
Thomas Eriksson, Samuel Kim, Hong-Goo Kang and Chungyong Lee, "An Information-Theoretic Perspective on Feature Selection in Speaker Recognition," IEEE Signal Processing Letters, vol. 12, issue 7, pp. 500-503, Jul. 2005
Jeong-Hoe Ku, Kyeongyeon Kim, Seijoon Shim, Min Goo Kim and Chungyong Lee, "An MMSE Nulling-Partial PIC Receiver for Multiuser Downlink MIMO MC-CDMA Systems," IEICE Transactions on Communications, vol. E88-B, no. 4, Apr. 2005
Hakju Lee, Myeongcheol Shin and Chungyong Lee, "An Eigen-Based MIMO Multiuser Scheduler With Partial Feedback Information," IEEE Communications Letters, vol. 9, no. 4, pp. 328-330, Apr. 2005
Yang-Won Jung, Hong-Goo Kang, Chungyong Lee, Dae-Hee Youn, Changkyu ChoI and Jaywoo Kim, "Adaptive Microphone Array System With Two-Stage Adaptation Mode Controller," IEICE Transactions of Fundamentals of Electronics, Communications and Computer Sciences, vol. E88-A, pp. 972-977, Apr. 2005
Seijoon Shim, Kyeongyeon Kim and Chungyong Lee, "An Efficient Antenna Shuffling Scheme for DSTTD System," IEEE Communications Letters, vol. 9, no. 2, pp. 124-126, Feb. 2005
Sangheon Kim, Yangseok Jeong and Chungyong Lee, "Interference Cancellation Based IPDL Method for Position Location in WCDMA Systems," IEEE Transactions on Vehicular Technology, vol. 54, no. 1, pp. 117 - 126, Jan. 2005
2004
Hee-Young Park, Chungyong Lee, Hong-Goo Kang and Dae-Hee Youn, "Generalization of the Subspace-Based Array Shape Estimations," IEEE Journal of Oceanic Engineering, vol. 29, no. 3, Jul. 2004
Myeongcheol Shin, Hakju Lee and Chungyong Lee, "Enhanced Channel-Estimation Technique for MIMO-OFDM Systems," IEEE Transactions on Vehicular Technology, vol. 53, no. 1, pp. 261-265, Jan. 2004
2003
Joonsung Lee, Changheon Oh, Chungyong Lee and Dae-Hee Youn, "Low Complexity Reverselink Beamforming Based on Simplex Downhill Optimization Method for CDMA Systems," IEICE Transactions on Communications, vol. E86-B, no. 8, Aug. 2003
Chulhee Lee, Donghoon Hyun, Euisun Choi, Jinwook Go and Chungyong Lee, "Optimizing Feature Extraction for Speech Recognition," IEEE Transactions on Speech and Audio Processing,, vol . 11, no. 1, pp. 80-87, Jan. 2003
2002
Seon Joon Park, Chungyong Lee and Dae Hee Youn, "A Residual Echo Cancellation Scheme for Hands-Free Telephony," IEEE Signal Processing Letters, vol . 9, issue 2, Dec. 2002
Tae-Young Yang, Chungyong Lee and Dae-Hee Youn, "Duration Modeling Using Cumulative Duration Probability,," IEICE Transactions on Information and Systems, vol. E85-D, no.9, pp. 1452-145, Sep. 2002
Yangseok Jeong, Heungryeol You, Dae-Hee Youn and Chungyong Lee, "A New Method for Calibration of NLOS Error in Positioning Systems," IEICE Transactions on Communications, vol. E85-B, no. 5, pp. 1056-10, May. 2002
Seon Joon Park, Chum Gun Cho, Chungyong Lee and Dae Hee Youn, "Integrated Echo And Noise Canceler For Hands-Free Applications," IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, vol. 49, no. 3, pp. 188-195, Mar. 2002
2001
Jeong-Pyo Ham, Tae-Young Yang, Chungyong Lee and Dae-Hee Youn, "A Grammatical Structure of the FSN for the Recognition of Korean Price Sentences," IEICE Transactions on Information and Systems, vol. E84-D, no. 11, pp. 1577-1, Nov. 2001
Tae-Young Yang, Chungyong Lee and Dae-Hee Youn, "Speaker Adaptation Based on a Maximum Observation Probability Criterion," IEICE Transactions on Information and Systems, vol. E82-D, no. 2, pp. 286-288, Feb. 2001
2000
H. J. Lee, Y. C. Park, Chungyong Lee, and Dae-Hee Youn, "Fast Active Noise Control Algorithm for Car Exhaust Noise Control," IET Electronics Letters, vol. 36, no. 14, pp. 1250-1251, Jul. 2000
H. S. Jung, Dae-Hee Youn and Chungyong Lee, "Blind Channel Estimator for Asynchronuous DS-CDMA Systems," IET Electronics Letters, vol. 36, no. 10, pp. 926-927, May. 2000
K. M. Kim, Chungyong Lee and Dae-Hee Youn, "Adaptive Processing Technique for Enhanced CFAR Detecting Performance in Active Sonar Systems," IEEE Transactions on Aerospace and Electronic Systems, vol. 36, no. 2, pp. 693-700, Apr. 2000
K. H. Woo, T. Y. Yang, K. J. Park and Chungyong Lee, "Robust Voice Activity Detection Algorithm for Estimating Noise Spectrum," IET Electronics Letters,, vol. 36, no. 2, pp. 180-181, Jan. 2000
1997
Chungyong Lee and Douglas B. Williams, "Generalized Iterative Methods for Enhancing Contaminated Chaotic Signals," IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, vol. 44, no. 6, pp. 501-512, Jun. 1997
Chungyong Lee, Douglas B. Williams and Jaejin Lee, "A Secure Communications Systems Using Chaotic Switching," International Journal of Bifurcation & Chaos, vol. 7, no. 6, pp. 1383-1394, Jun. 1997
1995
Chungyong Lee and Douglas B. Williams, "A Preprocessing Approach to Improve Noise Reduction for Chaotic Signal," Physics Letters A, vol. 200, issues 3-4 , 24 P, Apr. 1995