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    • 2017


      International Journal

    • 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


    • International Conference

    • Bongsung Seo, Dongkyu Sim and Chungyong Lee, "Low-Complexity Sub-block MMSE Receiver for FBMC-QAM Systems," ICEIC 2017, Jan. 2017

    • Taehyun Lee and Chungyong Lee, "A Signal-level Channel Equalization for FBMC-QAM Systems," ICEIC 2017, Jan. 2017


    • 2016


      International Journal

    • 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


    • International Conference

    • Taehyun Lee and Chungyong Lee, "Per-tone MMSE receiver for MIMO FBMC-QAM systems," IEEE ICCE, pp. 1-4, Oct. 2016

    • Yeonghwan Kim, Kuhyung Kwon and Chungyong Lee, "Comparison on Uplink Transmission Protocols for Two-User Wireless Powered Communication Network," ITC-CSCC 2016, Jul. 2016

    • Sangwon Jung, Yonggue Han and Chungyong Lee, "Antenna Selection for Energy Efficiency in MIMO Wireless Energy Transfer Systems," ITC-CSCC 2016, Jul. 2016

    • Dongkyu Sim, Taehyun Lee, Kyeongyeon Kim and Chungyong Lee, "Performance Comparison of Linear MMSE Receivers for FBMC-QAM," ICEIC 2016, Jan. 2016

    • Yonggue Han and Chungyong Lee, "Energy Efficient Statistical Mode Selection in Full-Duplex Bidirectional Communications," ICEIC 2016, Jan. 2016

    • Sanggeun Lee and Chungyong Lee, "A Band Switching Scheme for BLER Performance Improvement in Flexible Duplex Systems," ICEIC 2016, Jan. 2016


    • 2015


      International Journal

    • 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


    • International Conference

    • Kuhyung Kwon, Hyunjong Na and Chungyong Lee, "User Mode Selection for Sum-Rate Maximization in Full-Duplex Two-User Systems ," The 30th International Technical Conference on Circuits/Systems, Computers and Communications, Jun. 2015

    • Hyunjong Na and Chungyong Lee, "Performance Comparison of Precoding Schemes for Full Duplex Communication in Full Duplex Two User MIMO Downlink Channel ," ICEIC 2015 , Jan. 2015


    • 2014


      International Journal

    • 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


    • International Conference

    • Seongmok Lim, Dongkyu Sim and Chungyong Lee, "Two-Step Estimation Method for a Single Staggered Pulse Repetition Interval," The 29th International Technical Conference on Circuits/Systems, Computers and Communications, Jul. 2014

    • Taehyun Lee, Yongjin Ahn, Dongkyu Sim and Chungyong Lee, "QAM-FBMC System With a Robust Prototype Filter in Multipath Fading Channels," IEEE Consumer Electronics Society, Jun. 2014


    • 2013


      International Journal

    • 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


    • International Conference

    • Misun Yoon and Chungyong Lee, "A Quantized TR Prefilter for Indoor Wireless Communication System With Channel Estimation Error," IEEE ICTC 2013, pp. 207-211, Oct. 2013

    • Dongkyu Sim, Seungkyu Choi and Chungyong Lee, "Simplified MMSE Equalizer With the Time Reversal Pre-filter for the Ultra Wideband (UWB) System," ICEIC 2013, Feb. 2013

    • Seungkyu Choi, Dongkyu Sim and Chungyong Lee, "Lattice-Reduction-Aided BD-UCD Transceiver Design in the Downlink MU-MIMO Channel," ICEIC 2013, Feb. 2013

    • Hoondong Noh and Chungyong Lee, "Binary Power Allocation for Maximizing Sum Rate of Multiple Interfering Links Under Minimum Rate Constraints," ICEIC 2013, Feb. 2013


    • 2012


      International Journal

    • 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


    • International Conference

    • Ilgyu Choi and Chungyong Lee, "Effective Rate Maximization in Large MIMO Multiuser System," CEWIT 2012, pp. 1-5, Nov. 2012

    • Bumsoo Lee and Chungyong Lee, "A Joint Precoding Scheme for MIMO Systems With Distributed Single Antenna AF Relays," IEEE ICTC 2012, pp. 666-670, Oct. 2012

    • Yongjin Ahn, Ilgyu Choi and Chungyong Lee, "Piece-wise Linear Look Up Table Predistorter for Power Amplifier Linearization Technique," ICEIC 2012, Feb. 2012

    • Sangwon Park, Hoondong Noh and Chungyong Lee, "Comparison of Near-field Localization Methods for ULA : Beamforming and Hyperbolic Source Localization," ICEIC 2012, Feb. 2012

    • Dohoon Kim, Jungwook Wee and Chungyong Lee, "An MB-OFDM UWB Technology for Wireless Speaker Systems," IEEE ICCE, pp.388-389, Jan. 2012


    • 2011


      International Journal

    • 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


    • International Conference

    • Hoondong Noh, Seungkyu Choi and Chungyong Lee, "An Iterative MMSE-ML Detector for MIMO SC-FDMA System," IEEE MWSCAS, 1-4, Aug. 2011

    • Wonwoo Park and Chungyong Lee, "The Estimated Distribution of Detected Symbols at Relay Station Using Pairwise Error Probability," ITC-CSCC 2011, pp.843-845, Jun. 2011

    • Dohoon Kim, Yongseok Lim, Jinwoong Cho and Chungyong Lee, "Design and Implementation of MB-OFDM UWB Modem," IEEE ICCE, pp. 430-431, Jan. 2011


    • 2010


      International Journal

    • 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


    • International Conference

    • Jeehwan Noh, Hyemin Song and Chungyong Lee, "Transmit Antenna and Mode Selection for the EST Based MIMO Systems," IEEE ICTC 2010, pp. 45-49, Nov. 2010


    • 2009


      International Journal

    • 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


    • International Conference

    • Kyeongyeon Kim, Joondoo Kim and Chungyong Lee, "A User Power Allocated Block Tomlinson-Harashima Precoding," ITC-CSCC 2009, 1426-1428, Jul. 2009


    • 2008


      International Journal

    • 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


    • International Conference

    • Jiwon Kang, Hyungwoo Ku, Dong-Seung Kwon and Chungyong Lee, "An Improved Tomlinson-Harashima Precoder Reducing Transmission Power," IEEE GLOBECOM 2008, 1-5, Dec. 2008

    • Hyunil Kwon, Jookwang Kim, Sangmin Bae, Kyungho Kim, and Chungyong Lee, "The Regularized FPGA Development Platform Verification Flow for Wireless Mobile Soc," ITC-CSCC 2008, Jul. 2008

    • Myoung-Seok Kim, Myeongcheol Shin, Wonwoo Park and Chungyong Lee, "Quantized Precoding Techniques for Spatially Correlated Channels without Correlation Feedback," ITC-CSCC 2008, Jul. 2008

    • Byungwook Yoo, Kyu Ha Lee, Hyundo Kim and Chungyong Lee, "Linear Precoding Techniques for 2-Hop MIMO Relaying," ITC-CSCC 2008, Jul. 2008

    • Joondoo Kim, Jiwon Kang, Dong-Seung Kwon and Chungyong Lee, "An Improved Block Tomlinson-Harashima Precoder for Multiuser MIMO Systems," ITC-CSCC 2008, Jul. 2008


    • 2007


      International Journal

    • 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


    • International Conference

    • Jaesang Ham, Byungwook Yoo and Chungyong Lee, "An Efficient MIMO Receiver for Full-Diversity Full-Rate Space-Time Code," IEEE Globecom 2007 Washington, DC, USA, Nov. 2007

    • Jiwon Kang, In Kyeong Choi, Dong-Seung Kwon and Chungyong Lee, "An Opportunistic Beamforming Technique Using a Quantized Codebook," IEEE VTC 2007 spring, pp. 1647-1651, Apr. 2007

    • Byungwook Yoo, Kyu Ha Lee, and Chungyong Lee, "Implementation of IEEE 802.16e MIMO-OFDMA Systems With K-BEST Lattice Decoding Algorithm," ICCE 2007, Jan. 2007


    • 2006


      International Journal

    • 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


    • International Conference

    • Sangheon Kim and Chungyong Lee, "Iterative Receiver for MIMO Systems With Hybrid Detector," IEEE PIMRC 2006 Helsinki, Sep. 2006

    • Jaesang Ham, Kyeongyeon Kim, Seijoon Shim and Chungyong Lee, "An Efficient Adaptive Modulation Algorithm for D-STTD system," IEEE VTC 2006 Fall, Montreal, Sep. 2006

    • Myeongcheol Shin, Dong-Seung Kwon and Chungyong Lee, "Performance Analysis of Maximum Likelihood Detection for MIMO Systems," IEEE VTC 2006 spring, May. 2006

    • Kyeongyeon Kim, Seijoon Shim, Jaesang Ham and Chungyong Lee, "Asymptotic Analysis of Downlink MIMO Multicarrier CDMA systems With a Minimum Mean Square Error Receiver," IEEE VTC 2006 spring, May. 2006

    • Jiwon Kang, Hakju Lee, Chungyong Lee and Young Yong Kim, "A Scheduling Scheme Under a Ratio Constraint for the Multiuser," IEEE VTC 2006 spring, 2449-2453, May. 2006


    • 2005


      International Journal

    • 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


    • International Conference

    • Sangheon Kim, Sunghun Jung, Sangwoo Lee and Chungyong Lee, "Performance of MIMO-FQPSK Receiver with MLSE," IEEE VTC 2005 spring, May. 2005

    • Hakju Lee, Myeongcheol Shin and Chungyong Lee, "An Eigen-based MIMO Multiuser Scheduler robust to spatial channel correlation," Proc. Vehicular Technology Conference 2005 Spring, May. 2005

    • Jaesang Ham, Kyeongyeon Kim, Seijoon Shim, Chungyong Lee and Jaehak Chung, "A New Multiuser Diversity Scheme Exploiting Detection Order for AM-OSIC System," IEEE VTC 2005 spring, May. 2005


    • 2004


      International Journal

    • 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


    • International Conference

    • Hee-Young Park, Dae-Hee Youn, Chungyong Lee, Hyun Woo Kang, Ki-Man Kim and Kyeong-Cheol Dho, "Evaluation of the Calibration Method Using Iterative Spline Interpolation for Array Shape Estimation," OCEANS/Technoocean2004, pp. 593-597, Nov. 2004

    • Thomas Eriksson, Samuel Kim, Hong-Goo Kang and Chungyong Lee, "Theory for Speaker Recognition Over IP," Proc. of INTERSPEECH 2004-ICSLP, pp. 625-628, Oct. 2004

    • Kyeongyeon Kim, Jaesang Ham, Chungyong Lee and Daesik Hong, "Performance Analysis of a Downlink MIMO MC-CDMA system with Turbo Coding and Channel Interleaving," Proc. Vehicular Technology Conference 2004 Fall, pp. 1439-1442, Sep. 2004

    • Jeong-Hoe Ku, Seijoon Shim, Min-Goo Kim and Chungyong Lee, "Low Complexity Optimal Interference Rejection Weight for Multipath Interference Canceller," IEEE VTC 2004 fall, pp. 2335-2338, Sep. 2004

    • Yoonjoo Kwon, Kyungho Kim, Myeongcheol Shin and Chungyong Lee, "An Efficient Code Timing Acquisition for MIMO CDMA System," IEEE VTC 2004 spring, May. 2004

    • Joonsung Lee, Chungyong Lee, Byungjin Chun and Changheon Oh, "A Downlink Beamforming Mehod for Coherent Detection in DS/CDMA Systems," IEEE VTC 2004 spring, May. 2004


    • 2003


      International Journal

    • 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


    • International Conference

    • Joonsung Lee, Charigheon Oh and Chunayong Lee, "A Reverse Link Beamforming Based on Simplex Downhill Algorithm for Time-varying Channel Environments," VTC 2003-Fall, vol. 1, pp. 232-235, Oct. 2003

    • Yang-Won Jung, Junho Lee, Donggeon Kong, Jaywoo Kim and Coungyong Lee, "High-Quality Speech Acquisition and Recognition System for Home-Agent Robot," International conference on consumer electronics, 2003 Summer, Jun. 2003

    • Seungyeun Yoo, Sangheon Kim, Dae-Hee Youn and Chungyong Lee, "Multipath Mitigation Technique Using Null-Steering Beamformer for Positioning System," IEEE VTC 2003 spring, pp.601-605, Apr. 2003

    • Myeongcheol Shin, Hakju Lee and Chungyong Lee, "A New Training Symbol Structure to Enhance the Performance of Channel Estimation for MIMO-OFDM Systems," IEEE ICASSP 2003, Apr. 2003


    • 2002


      International Journal

    • 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


    • International Conference

    • Hee-Young Park, Kyeong-Cheol Dho, Won Tchon Oh, Dae-Hee Youn and Chungyong Lee, "Towed Array Shape Estimation Using a Single Reference Source," UDT KOREA 2002, P1.10, Oct. 2002

    • Hee-Young Park, Won Tchon Oh, Seung-Yong Chun, Dae-Hee Youn, and Chungyong Lee, "Performance Comparison of the Calibration Method Using Spline Interpolation for Array Shape Estimation," UDT KOREA 2002, 4A.2, Oct. 2002

    • Hee-Young Park, Won Tchon Oh, Dae-Hee Youn and Chungyong Lee, "A Subspace-Based Array Shape Estimation Method Using a Single Reference Source in Nearfield," MTS/OCEANS2002, pp. 2210-2215, Oct. 2002

    • Seijoon Shim, Jin-Sung Choi, Chungyong Lee and Dae-Hee Youn, "Rank Adaptive Transmission to Improve the Detection Performance of the BLAST in Spatially Correlated MIMO Channel," IEEE VTC 2002 fall, vol. 1, pp 195-198, Sep. 2002

    • Yangseok Jeong, Heungryeol You and Chungyong Lee, "A High Resolution Time Delay Estimation Technique in Frequency Domain for Positioning System," IEEE VTC 2002 fall, vol. 4, pp 2318-2321, Sep. 2002


    • 2001


      International Journal

    • 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


    • International Conference

    • Hee-Young Park, Won Tchon Oh, Dae-Hee Youn and Chungyong Lee, "Performance Improvement of Array Shape Estimation Using Spline Interpolation," Oceans2001 MTS/IEEE Conference and Exhibition, pp. 1715-1718, Nov. 2001

    • Seungil Kim, Dho, K., Dae Hee Youn and Chungyong Lee, "Linearization Procedure for a Perturbed Linear Array," Oceans2001 MTS/IEEE Conference and Exhibition, vol. 3, pp. 1586 –1589, Nov. 2001

    • Seungchul Yang, Dae Hee Youn and Chungyong Lee, "LMS Based Forward-Link Beamforming Using Reverse-Link Channel Estimator in FDD/CDMA System," IEEE VTC 2001 fall, vol. 1, pp. 1640-1643, Oct. 2001

    • Kyu Ha Lee, Dae Hee Youn and Chungyong Lee, "An Area-Efficient Interpolation Filter Using Block Structure," Intl. Conf. on Electronics Circuits Syst., Malta, pp.925-927, Sep. 2001

    • Seijoon Shim, Sung-Hun Jung, Dae-Hee Youn and Chungyong Lee, "The Projection Matrix Method For The Interference Cancellation," Vehicular Technology Conference 2001 Spring, Greece, Proceedings of VTC2001, vol. 3, pp. 1563-1567, May. 2001

    • Seon Joon Park, Chum Gun Cho, Chungyong Lee and Dae Hee Youn, "On Integrating Acoustic Echo and Noise Cancellation Systems for Hands-Free Telephony," in Proc. Intl. Conf. Acoustics Speech Sig. Process., Salt Lake City, Utah, USA, pp. 961-964, May. 2001

    • Yangseok Jeong, Heungryeol You and Chungyong Lee, "Calibration of NLOS Error for Positioning Systems," IEEE VTC 2001 spring, vol. 3, pp. 1563-1567, May. 2001


    • 2000


      International Journal

    • 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


    • International Conference

    • Bong Seok Kang, Chul-Hee Han, Chungyong Lee and Dae-Hee Youn, "Recognizing Six Emotional States Using Speech Signals," in Proceding of the 2000 Spring Conference of KOSES & International Sensibility Ergonomics Symposium, pp. 366-369, Jun. 2000

    • Sang-Hoon Lim, Cha Hee Yoo, Yang-Soo Shin, Dae Hee Youn and Chungyong Lee, "CMA Post-Processing Technique for Interference Suppression in DS-CDMA Systems," VTC2000, vol. 2, pp. 1125-1129, May. 2000

    • Yangseok Jeong, Heungryeol You, Won Cheol Lee, Daesik Hong, Dae Hee Youn and Chungyong Lee, "A Wireless Position Location System Using Forward Pilot Signal," VTC2000 spring, vol. 2, pp. 1354-1357, May. 2000


    • 1998



      International Conference

    • Won-Ho Shin, Weon-Goo Kim, Chungyong Lee and Il-Whan Cha, "Speech Recognition in Noisy Environment Using Weighted Projection-Based Likelihood Measure," Proc. Int. Conf. Spoken Language Processing, vol. 4, pp.1503-1506, Nov. 1998

    • Tae-Young Yang, Ji-Sung Kim, Chungyong Lee, Dae Hee Youn and Il-Whan Cha, "Duration Modeling Using Cumulative Duration Modeling and Speaking Rate Compensation," Proc. Int. Conf. Spoken Language Processing, vol. 7, pp.3007-3010, Nov. 1998

    • Won-Ho Shin, Tae-Young Yang, Weon-Goo Kim, Chungyong Lee and Il-Whan Cha, "Speech Recognition Using Weighted Projection-Based Likelihood Measure of Cepstral-Time Feature and Energy-Time Feature," Proc. Int. Tech. Conf. Circuits/Systems, Computers, Communications, vol. 1, pp.665-668, Jul. 1998

    • H.J.Sung, K.H. Ju, K.M. Kim, Chungyong Lee and D.H. Youn, "A Filter Structure for Target Signal Enhancement in Reverbration-Limited Environment," Proceedings of ITC-CSCC, Vol. 1, pp.597-600, Jul. 1998


    • 1997


      International Journal

    • 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


      International Journal

    • 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


    • International Conference

    • Jaejin Lee, Chungyong Lee and Douglas B. Williams, "Secure Communication Using Chaos," Proceedings of IEEE Globecom, Nov. 1995

    • Chungyong Lee and Douglas B. Williams, "A Noise Reduction Method for Chaotic Signals," Proceedings of IEEE Int. Conf. On Acoust. Speech Signal Proc, May. 1995

    • Chungyong Lee, Jaejin Lee and Douglas B. Williams, "A Secure Communication Scheme Using Chaotic Signal," Proceedings of IEEE Int. Conf. On Computer Communication, . 1995


    • 1994



      International Conference

    • Chungyong Lee and Douglas B. Williams, "Preprocessing for Noise Reduction of Chaotic Signals," Proceedings of IEEE 6th Digital Signal Processing Workshop, Oct. 1994