Name | Kyungchun Lee |
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Position | professor |
Tel | +82-2-970-6405 |
kclee@seoultech.ac.kr |
Biography |
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Ph.D. in Electrical Engineering, Feb. 2007 KAIST, Daejeon, South Korea
M.S. in Electrical Engineering, Feb. 2002 KAIST, Daejeon, South Korea B.S. in Electrical Engineering, Feb. 2000 KAIST, Daejeon, South Korea |
Careers |
Awards:
Best Paper Award, IEEE Wireless Communications and Networking Conference (WCNC), 2020 Best Paper Award, IEEE International Conference on Communications (ICC), 2009 Employment and Experience: Sep. 2010 - Present Dept. of Electrical Engineering and Information Technology, Seoul National University of Science and Technology (SeoulTech) Visiting Assistant Professor, Jan. 2017 - Jan. 2018 North Carolina State University, Raleigh, USA. Senior engineer, July 2008 – Aug. 2010 Samsung Electronics, South Korea. Commercial LTE system development (PHY and MAC layer, system level performance evaluation) Post-doctoral research fellow, Apr. 2007 – June 2008 University of Southampton, U.K. Supervisor: Prof. Lajos Hanzo Research on cooperative and relay-aided communication systems Graduate student researcher, Mar. 2000 – Feb. 2007 KAIST, Daejeon, South Korea Supervisor: Prof. Joohwan Chun Research on MIMO and OFDM systems Visiting research student, Sep. 2005 – Feb. 2006 University of Southampton, U.K. Supervisor: Prof. Lajos Hanzo Research on detection algorithms for MIMO systems |
Research Areas |
Wireless communication
Applied machine learning Massive MIMO Cooperative communication Intelligent reflecting surface Terahertz communication |
Journal Papers |
- Bitmask Dynamic Programming for User Scheduling in Multi-User MIMO mmWave Systems, IEEE Communications Letters, 2023 - Short-Packet URLLCs for MIMO Underlay Cognitive Multihop Relaying With Imperfect CSI, IEEE ACCESS, vol.11 pp.81672~81689, 2023 - Downlink Beamforming for Dynamic Metasurface Antennas, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.22 No.7 pp.4745~4755, 2023 - Low-Complexity IRS Beamforming Based on Sphere Decoding and Tabu Search, JOURNAL OF COMMUNICATIONS AND NETWORKS, vol.25 No.3 pp.299~311, 2023 - Low-Complexity Adaptive Selection Beamforming for IRS-Assisted Single-User Wireless Networks, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.72 No.4 pp.5458~5462, 2023 - Joint hybrid-precoding design for MU-MISO systems with a subconnected architecture, EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING, vol.2023 No.1, 2023 - Low-Complexity Beamforming Algorithms for IRS-Aided Single-User Massive MIMO mmWave Systems, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.21 No.11 pp.9200~9211, 2022 - Deep Learning-Aided Signal Enumeration for Lens Antenna Array, IEEE Access, vol.10 pp.123835~123846, 2022 - Hybrid Beamforming and Adaptive RF Chain Activation for Uplink Cell-Free Millimeter-Wave Massive MIMO Systems, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.71 No.8 pp.8739~8755, 2022 - Performance Analysis and Optimization of Multihop MIMO Relay Networks in Short-Packet Communications, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.21 No.6 pp.4549~4562, 2022 - Hybrid Relay-Reflecting Intelligent Surface-Assisted Wireless Communications, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.71 No.6 pp.6228~6244, 2022 - Machine-Learning-Aided Link-Performance Prediction for Coded MIMO Systems, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.71 No.3 pp.3287~3292, 2022 - Deep Learning-Aided Coherent Direction-of-Arrival Estimation With the FTMR Algorithm, IEEE TRANSACTIONS ON SIGNAL PROCESSING, vol.70 pp.1118~1130, 2022 - Hybrid Combining Based on Selective Activation of Double Constant Phase Shifters, IEEE Access, vol.9 pp.142012~142019, 2021 - Application of Deep Learning to Sphere Decoding for Large MIMO Systems, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.20 No.10 pp.6787~6803, 2021 - Intelligent Radio Signal Processing: A Survey, IEEE Access, vol.9 pp.83818~83850, 2021 - Dynamic Unequally Sub-Connected Hybrid Beamforming Architecture for Massive MIMO Systems, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.70 No.4 pp.3469~3478, 2021 - Deep learning-aided tabu search detection for large MIMO systems, IEEE Transactions on Wireless Communications, 2020 - Adaptive Perturbation-Aided Opportunistic Hybrid Beamforming for mmWave Systems, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.69 No.6 pp.6554~6562, 2020 - Learning-Aided Deep Path Prediction for Sphere Decoding in Large MIMO Systems, IEEE ACCESS, vol.8 pp.70870~70877, 2020 - Low-Complexity Incremental Search-Aided Hybrid Precoding and Combining for Massive MIMO Systems, IEEE ACCESS, vol.8 pp.66867~66877, 2020 - Hybrid Combining Based on Constant Phase Shifters and Active/Inactive Switches, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.69 No.4 pp.4058~4068, 2020 - Unequally Sub-Connected Architecture for Hybrid Beamforming in Massive MIMO Systems, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.19 No.2 pp.1127~1140, 2020 - Groupwise Neighbor Examination for Tabu Search Detection in Large MIMO Systems, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.69 No.1 pp.1136~1140, 2020 - Search Space Partitioning-based Receiver for Generalized Spatial Modulation under Channel Information Errors, 한국정보통신학회논문지, vol.23 No.12 pp.1631~1637, 2019 - Opportunistic Precoding based on Adaptive Perturbation for MIMO Systems, 한국정보통신학회논문지, vol.23 No.12 pp.1638~1643, 2019 - Energy-Efficient Hybrid Beamforming with Variable and Constant Phase Shifters, APPLIED SCIENCES-BASEL, vol.9 No.21, 2019 - Adaptive Threshold-Aided K-Best Sphere Decoding for Large MIMO Systems, APPLIED SCIENCES-BASEL, vol.9 No.21, 2019 - QR-Decomposition-Aided Tabu Search Detection for Large MIMO Systems, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.68 No.5 pp.4857~4870, 2019 - Ordering- and partitioning-aided sphere decoding for generalized spatial modulation, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.67 No.10 pp.10087~10091, 2018 - Coverage and Cell-Edge Sum-Rate Analysis of mmWave Massive MIMO Systems With ORP Schemes and MMSE Receivers, IEEE TRANSACTIONS ON SIGNAL PROCESSING, vol.66 No.20 pp.5349~5363, 2018 - Low-Complexity Sphere Search-Based Adaptive Spatial Modulation, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.67 No.8 pp.7836~7840, 2018 - Adaptive Perturbation-Aided Opportunistic Beamforming, IEEE COMMUNICATIONS LETTERS, vol.22 No.8 pp.1660~1663, 2018 - Generalized Buffer-State-Based Relay Selection With Collaborative Beamforming, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.67 No.2 pp.1245~1257, 2018 - Cell Coverage Extension With Orthogonal Random Precoding for Massive MIMO Systems, IEEE ACCESS, vol.5 pp.5410~5424, 2017 - Tx/Rx-ordering-aided efficient sphere decoding for generalized spatial modulation systems, 한국정보통신학회논문지, vol.21 No.3 pp.523~529, 2017 - Low-Complexity Robust ML Signal Detection for Generalized Spatial Modulation, 한국정보통신학회논문지, vol.21 No.3 pp.516~522, 2017 - Non-cooperative interference alignment for multicell multiuser MIMO uplink channels, IET COMMUNICATIONS, vol.11 No.5 pp.648~654, 2017 - Interference Alignment for Multicell Multiuser MIMO Uplink Channels, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.65 No.7 pp.5146~5159, 2016 - A Low-Complexity Sphere Decoding Algorithm for Generalized Spatial Modulation, 한국정보통신학회논문지, vol.20 No.1 pp.30~36, 2016 - A Robust Receiver for Generalized Spatial Modulation under Channel Information Errors, 한국정보통신학회논문지, vol.20 No.1 pp.45~51, 2016 - Lattice reduction aided tabu search with channel-dependent stopping criterion for MIMO systems, ELECTRONICS LETTERS, vol.51 No.24 pp.2062~2063, 2015 - Low-Complexity SIC Detection Algorithms for Multiple-Input Multiple-Output Systems, IEEE TRANSACTIONS ON SIGNAL PROCESSING, vol.63 No.17 pp.4625~4633, 2015 - Selective cooperative decoding based on a hard-decision-aided log-likelihood ratio approximation, IET COMMUNICATIONS, vol.9 No.14 pp.1754~1762, 2015 - Doubly Ordered Sphere Decoding for Spatial Modulation, IEEE COMMUNICATIONS LETTERS, vol.19 pp.795~798, 2015 - Novel decoding algorithms for decode-and-forward cooperative beamforming systems, IET COMMUNICATIONS, vol.8 No.17 pp.3012~3018, 2014 - Uplink Interference Alignment for Two-Cell MIMO Interference Channels, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.62 pp.1861~1865, 2013 - RESOURCE-EFFICIENT WIRELESS RELAYING PROTOCOLS, IEEE WIRELESS COMMUNICATIONS, vol.17 No.2 pp.66~72, 2010 - Optimal Decoding for Hard-Decision Forwarding Aided Cooperative Spatial Multiplexing Systems, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.8 pp.4411~4416, 2009 - Initial Code Acquisition in the Cooperative Noncoherent MIMO DS-CDMA Downlink, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.58 No.3 pp.1387~1395, 2009 - MIMO-Assisted Hard Versus Soft Decoding-and-Forwarding for Network Coding Aided Relaying Systems, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.8 No.1 pp.376~385, 2009 - ML symbol detection based on the shortest path algorithm for MIMO systems, IEEE TRANSACTIONS ON SIGNAL PROCESSING, vol.55 pp.5477~5484, 2007 - Optimal lattice-reduction aided successive interference cancellation for MIMO systems, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.6 pp.2438~2443, 2007 - A MIMO antenna structure that combines transmit beamforming and spatial multiplexing, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.6 pp.775~779, 2007 - Symbol detection in V-BLAST architectures under channel estimation errors, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol.6 pp.593~597, 2007 - Frequency-offset estimation for MIMO and OFDM systems using orthogonal training sequences, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol.56 pp.146~156, 2007 |
Conference Papers |
- Dai Trong Hoang, Kyungchun Lee, Coherent Signal Enumeration based on Deep Learning and the FTMR Algorithm, IEEE International Conference on Communications, Seoul, Korea, 2022 - 최상지, 이경천, 일반화 공간 변조 시스템에서 타부 탐색을 이용한 신호 검출, 정보 및 제어 학술대회, 여수, 2021 - 송준석, 이경천, 채널부호화 MIMO 시스템에서 리스트 타부 탐색을 이용한 신호 복호, 정보 및 제어 학술대회, 여수, 2021 - Nhan Thanh Nguyen, Quang-Doanh Vu, Kyungchun Lee, Markku Juntti, Spectral Efficiency Optimization for Hybrid Relay-Reflecting Intelligent Surface, IEEE International Conference on Communications Workshops, Montreal, 캐나다, 2021 - Eduard E. Bahingayi, Kyungchun Lee, Energy-efficient Hybrid Combining Based on Active/Inactive Switches, International Conference on Electric-Vehicle, SmartGrid and Information Technology (ICESI 2020), 온라인, 2020 - Thuan Van Le ; Kyungchun Lee, Opportunistic hybrid beamforming based on adaptive perturbation for mmWave multi-User MIMO systems, IEEE Wireless Communications and Networking Conference, Seoul, Korea, 2020 - Eduard Elias Bahingayi ; Kyungchun Lee, Low-complexity hybrid precoding and combining scheme based on array response vectors, IEEE Wireless Communications and Networking Conference, Seoul, Korea Conference, 2020 - 이형영, 박영웅, 김종민, 문현우, 이경천, 일반화 공간변조 시스템을 위한 이중 순서화를 적용한 저복잡도 구복호 알고리즘, 추계종합학술발표회, 중앙대학, 2016 - 이재성, 우대위, 전은탁, 윤성민, 이경천, 채널 정보 오차 존재 환경에서 일반화 공간변조 시스템을 위한 최대우도 수신기, 한국통신학회 2015년도 추계종합학술발표회, 서울대학교, 2015 - 유남식, 백종현, 최현영, 김영주, 김건엽, 이경천, 다중안테나 기반 철도 통신에서 채널 정보 오차에 강인한 최대우도 신호 검출, 한국통신학회 2015년 하계종합학술발표회, 제주, 2015 - Khanh Pham, Kyungchun Lee, An interference alignment scheme for symmetric multicell multiuser channels, IEEE Vehicular Technology Conference, 서울, 2014 |
Patents |
- 반복적인 타부 서치를 이용한 다중 안테나 통신시스템의 연판정 디코딩 장치 및 방법(다중입출력시스템에서 연판정 복호를 위한 반복 타부 탐색), 특허 등록, 대한민국, 2018 - 공간변조를 위한 이중 순서 스피어 디코딩 장치 및 방법, 특허 등록, 대한민국, 2017 - 자유도를 향상시키는 간접 정렬 장치 및 방법, 특허 등록, 대한민국, 2017 - 직접 신호가 고려된 협력적 공간 멀티플렉싱 시스템의 중계 노드 선택 장치 및 방법, 특허 등록, 대한민국, 2017 - 포워딩 에러가 고려된 협력적 공간 멀티플렉싱 시스템의 중계 노드 선택 장치 및 방법, 특허 등록, 대한민국, 2016 - 비협력적 선형 간섭 정렬 장치 및 방법, 특허 등록, 대한민국, 2016 - 협력적 빔포밍 시스템을 위한 최적 및 준최적 에러 디코딩 장치 및 방법, 특허 등록, 대한민국, 2015 - 효율성이 높은 최적 및 준최적 계승적 간접 취소 장치 및 방법, 특허 등록, 대한민국, 2015 - 이동통신 시스템에서의 상향 링크?, 특허 등록, 대한민국, 2014 |
Projects |
- 기계학습을 이용한 대규모 다중입출력 시스템 최적화 연구, 한국연구재단, 2019.06.~2022.02. - DC 마이크로그리드 기반 IoE 핵심기술 개발, 산학협력단, 2019.06.~2022.02. - 전기정보기술연구소, 한국연구재단, 2019.06.~2023.02. - 일반화 공간변조 시스템에서 채널 정보 오차를 고려한 탐색 영역 분할 수신기, 산학협력단, 2019.03.~2020.02. - UDN 기술의 성능 평가 플랫폼 개발, 정보통신기획평가원(구'정보통신기술진흥센터), 2019.03.~2019.11. - 차세대 이동통신 시스템을 위한 비직교다중접속 방식 연구, 주식회사 위즈노바, 2017.02.~2018.02. - 5G 이동통신을 위한 고용량/저복잡도 하이브리드 빔형성 기술 연구, 한국연구재단, 2016.11.~2019.10. - 대단위 안테나 협력 공간 변조를 이용한 차세대 고속/에너지 효율 무선 통신 시스템, 한국연구재단, 2016.04.~2018.03. - 재난안전통신망에 대한 전파교란 성능 분석 연구, ETRI부설국가보안기술연구소, 2016.04.~2016.11. - 채널 정보 오차에 강인한 일반화 공간변조 수신기, 산학협력단, 2015.11.~2016.10. - 일반화 공간 변조를 위한 저복잡도 구복호 수신기, 산학협력단, 2015.10.~2016.09. - LTE 물리계층 전파교란에 의한 통신성능 분석 연구, ETRI부설국가보안기술연구소, 2015.04.~2015.11. - ICT기반 차상제어시스템의 통신 용량 증대 연구, 한국철도기술연구원, 2015.03.~2015.10. - Massive MIMO의 자원/성능 최적화 및 제어 채널 커버리지 확대 기술 연구, 한국연구재단, 2014.05.~2017.04. - ICT기반 차상제어시스템의 통신안전성 확보, 한국철도기술연구원, 2014.03.~2014.10. - 간섭신호 존재환경에서 ICT기반 차상제어시스템의 안전성 확보 기술 연구, 한국철도기술연구원, 2013.04.~2013.10. - 이동통신 시스템에서 셀 경계 영역의 성능 향상 기법 연구, 한국연구재단, 2012.05.~2013.04. |
수상 |
- Low-Complexity Hybrid Precoding and Combining Scheme Based on Array Response Vectors, Best Paper Award, IEEE Wireless Communications and Networking Conference, 2020 |
Miscellaneous |
- Webpage: http://csp.seoultech.ac.kr |