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    • 2017


    • Sangwon Park, Joonsung Lee and Chungyong Lee, "Base Station Selection for Per-cell Precoding with Limited Feedback in Cooperative Multi-point Systems," Wireless Personal Communications, pp. 1-12, Aug. 2017

    • Yongjin Ahn, Hoondong Noh and Chungyong Lee, "A Spatial Modulation with Space-Phase Constellation for Spatially Correlated Channels," IEEE Communications Letters, to be published

    • Dongkyu Sim and Chungyong Lee, "A MIMO Receiver with Two-dimensional Ordering for Maximum Likelihood Detection in FBMC-QAM," IEEE Communications Letters, vol.21, no. 7, pp. 1465-1468, Jul. 2017

    • Sangwon Park, Hoondong Noh and Chungyong Lee, "A Differential Trellis-Coded Quantization for FDD Massive MIMO Systems in a Spatially Correlated Channel," IEEE Signal Processing Letters, vol. 24, no. 1, pp. 106-110, Jan. 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

    • Bumsoo Lee and Chungyong Lee, "Performance Analysis of Incremental Hop Selection Scheme With Adaptive Modulation for Cooperative Multi-Hop Networks," IEEE Transactions on Wireless Communications, vol. 14, no. 1, pp. 435-445, Jan. 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


    • Seungkyu Choi and Chungyong Lee, "Power Allocation Algorithms for GMD or UCD Based Joint Transceiver Designs," Wireless Personal Communications, vol. 79, no. 1, pp. 105-118, Nov. 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

    • Misun Yoon and Chungyong Lee, "A TR-MISI Serial Prefilter for Robustness to ISI and Noise in Indoor Wireless Communication System," IEEE Signal Processing Letters, vol. 21, no. 4, pp. 386-389, Apr. 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

    • Hyunil Kwon, Kyungho Kim and Chungyong Lee, "The Unified UE Baseband Modem Hardware Platform Architecture for 3GPP Specifications," Journal of Communications and Networks, vol. 13, no. 1, pp. 70-76, Feb. 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

    • Seijoon Shim, Sunghun Jung and Chungyong Lee, "A Simplified Eigenvector Beamformer Using a Projection Matrix for Satellite Communications," IEEE Transactions on Vehicular Technology, 2nd revised


    • 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," IEE Electronics Letters, vol. 36, no. 14, pp. 1250-1251, Jul. 2000

    • H. S. Jung, Dae-Hee Youn and Chungyong Lee, "A Blind Channel Estimator for Asynchronuous DS-CDMA Systems," IEE 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, "A Robust Voice Activity Detection Algorithm for Estimating Noise Spectrum," IEE 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