Publications

Journal Papers

J. Kim, H.-G. Lee, J. Choi, C. Yuen, and J. Joung, "Greedy-based scheduler for multiuser space-time line coded systems," IEEE Trans. Veh. Technol., vol.75, no.4, pp.6887-6892, Apr. 2026, doi: 10.1109/TVT.2025.3617079.
H.-G. Lee, J. Choi, J. Kim, Y. Xiao, and J. Joung, "Channel phase nonrececiprocity compensation for space-frequency line coded OFDM systems," IEEE Access, vol.13, pp.104301-104311, June 2025, doi: 10.1109/ACCESS.2025.3579312.
Y. Kim, S. Han, J. Joung, J. Kim, J. Zhao, and J. Choi, "Enhanced multiuser space-time line code for downlink multiple antenna transmission," IEEE Trans. Commun., vol. 73, no. 6, pp.3909-3923, June 2025, doi: 10.1109/TCOMM.2024.3502460.
S. Lee, J. Joung, J. Choi, and J. Kim, "Data-aided channel-gain calibration algorithm for recovering channel amplitude reciprocity in SFLC-OFDM systems," IEEE Access, vol.13, pp.44231-44242, Mar. 2025, doi: 10.1109/ACCESS.2025.3549046 .
S. Min, J. Joung, and J. Choi, "Interference exploiting precoding based on multiple space-time line codes for MU-MIMO systems," IEEE Wireless Commun. Lett. vol. 14, no. 2, pp.410-414, Feb. 2025, doi: 10.1109/LWC.2024.3505965 .
H.-J. Jo, H. Lee, J. Choi, and W. Lee, "Hybrid deterministic sensing matrix for compressed drone SAR imaging and efficient reconstruction of subsurface targets," Remote Sensing, vol. 17, pp.1-26, Feb. 2025, doi: 10.3390/rs17040595.
J.-I. Byeon, W. Lee, and J. Choi, "Compressive SAR imaging based on modified low-rank and sparse decomposition," IEEE Access, vol. 13, pp.1663-1679, Jan. 2025, doi: 10.1109/ACCESS.2024.3524084 .
H. Lee, S. Han, J.-I. Byeon, S. Han, R. Myung, J. G. Joung, and J. Choi, "CNN-based UAV detection and classification using sensor fusion," IEEE Access, July 2023, doi: 10.1109/ACCESS.2023.3293124.
K. Kim, J. Kim, H.-G. Lee, J. Choi, J. Fan, and J. Joung, "UAV chasing based on YOLOv3 and object tracker for counter UAV systems," IEEE Access, Apr. 2023, doi: 10.1109/ACCESS.2023.3264603.
J. Choi and H. Oh, "Hybrid precoding and combining based on rate balancing for wideband mmWave multiuser MIMO systems," IEEE Access, Feb. 2023, doi: 10.1109/ACCESS.2023.3242609.
J. Kim, J. Choi, J. Joung, and Y.-C. Liang, "Modified block coordinate descent method for intelligent reflecting surface-aided space-time line coded systems," IEEE Wireless Commun. Lett., pp.1820-1824, Sep. 2022, doi: 10.1109/LWC.2022.3182968.
W. Park and J. Choi, "Hybrid precoding and combining strategy for MMSE-based rate balancing in mmWave multiuser MIMO systems," IEEE Access, vol.10, Aug. 2022, doi: 10.1109/ACCESS.2022.3199875.
J. Choi and J. Joung, "Generalized space-time line code with receive combining for MIMO systems," IEEE Systems Journal, vol.16, no. 2, pp.1897-1908, June 2022, doi: 10.1109/JSYST.2021.3060134.
J. Choi, J. Joung, and Y.-S. Cho, "Artificial-noise-aided space-time line code for enhancing physical layer security of multiuser MIMO downlink transmission," IEEE Systems Journal, vol.16, no.1, pp.1289- 1300, Mar. 2022, doi: 10.1109/JSYST.2021.3075721.
J. Choi and J. Joung, "Process-and-forward two-way relay using multiple space-time line codes," Signal Processing, pp.1-11, Feb. 2022, doi: 10.1016/j.sigpro.2022.108526.
W.-H. Lim, S. Jang, W. Park, and J. Choi, "ZF-based downlink hybrid precoding and combining for rate balancing in mmWave multiuser MIMO systems," IEEE Access, vol.9, Dec. 2021, doi: 10.1109/ACCESS.2021.3134081.
J. Choi and W. Lee, "Drone SAR image compression based on block adaptive compressive sensing," Remote Sensing, vol.13, no.3947, Oct. 2021, doi: 10.3390/rs13193947.
J. Choi, J. Joung, and B. C. Jung, “Space–time line code for enhancing physical layer security of multiuser MIMO uplink transmission,” IEEE Systems Journal, vol.15, no.3, Sep. 2021, doi: 10.1109/JSYST.2020.3001068.
J. Joung and J. Choi, “Multiuser space-time line code with transmit antenna selection,” IEEE Access, vol.8, pp.71930-71939, Apr. 2020, doi: 10.1109/ACCESS.2020.2987068.
J. Joung, J. Choi, and B. C. Jung, “Double space-time line codes,” IEEE Trans. Veh. Technol., vol.69, no.2, pp.2316-2321, Feb. 2020, doi: 10.1109/TVT.2019.2958666.
J. Joung, B. C. Jung, and J. Choi, “Space–time line coded regenerative two-way relay systems with power control,” Electronics Letters, vol.55, no.12, pp.694-696, June 2019.
J. Joung and J. Choi, “Space–time line codes with power allocation for regenerative two-way relay systems,” IEEE Trans. Veh. Technol., vol.68, no.5, pp.4884-4893, May 2019.
J. Joung, J. Choi, B. C. Jung, and S. Yu, “Artificial noise injection and its power loading methods for secure space-time line coded systems,” Entropy, vol.21, pp.1-12, May 2019.
J. Choi and J. Joung, “Low complexity wireless powered information transfer strategy for multiuser MIMO systems,” IEEE Access, vol. 6, pp.68612-68620, Nov. 2018.
J. Joung and J. Choi, “Uneven power amplifier shuffling for space-time line code systems,” IEEE Access, vol.6, pp.58491-58500, Oct. 2018.
J. Choi, C. Song, and J. Joung, “Wireless powered information transfer based on zero-forcing for multiuser MIMO systems,” IEEE Trans. Veh. Technol., vol.67, no.9, pp.8561-8570, Sept. 2018.
J. Choi, S. Han, and J. Joung, “Low-complexity multiuser MIMO precoder design under per-antenna power constraints,” IEEE Trans. Veh. Technol., vol.67, no.9, pp.9011-9015, Sept. 2018.
J. Choi and H. Oh, “Precoder design for MIMO systems with sum power and per-antenna power constraints,” Electronics Letters, vol.54, no.16, pp.980-982, Aug. 2018.
J. Joung and J. Choi, " Transmit antenna shuffling for orthogonal space-time block code systems using uneven power amplifiers," IEEE Trans. Veh. Technol., vol.67, no.7, pp.6673-6678, Feb. 2018.
J. Joung and J. Choi, "Linear precoder design for an AF two-way MIMO relay node with no source node precoding," IEEE Trans. Veh. Technol., vol.66, no.11, Nov. 2017.
J. Joung and J. Choi, "Operation strategy for wireless-powered heterogeneous sensor networks," Electronics Letters, vol.53, no.21, Oct. 2017.
J. Choi, J. Shin, C. Song, S. Han, and D. I. Park, "Leak detection and location of water pipes using vibration sensors and modified ML prefilter," Sensors, vol.2104, no.17, Sept. 2017.
J. Choi and H. Oh, "Radio propagation model considering antenna beam tilt with application to small cells," Wireless Personal Communications, vol.95, Iss.4, Aug. 2017.
Y.-H. Jung and J. Choi, "Hybrid ARQ scheme with autonomous retransmission for multicasting in wireless sensor networks," Sensors, vol.463, no.17, Feb. 2017.
J. Choi and Y.-H. Jung, "CQI decoding for talk-around direct communications based on IEEE 802.16.1a," IET Communications, vol.9, Dec. 2015.
J. Choi, E. Kim, and S. Chang, "Dynamic resource adjustment for coexistence of LAA and WiFi in 5 GHz unlicensed bands," to be published in ETRI Journal, Oct. 2015.
J. Choi and Y.-H. Jung, "Performance analysis of an LMS based adaptive feedback canceller for on-channel repeaters," IEICE Trans. Commun., vol.E98-B, no.5, May 2015.
Y.-H. Jung and J. Choi, "Fast shared feedback methods for uplink CoMP with H-ARQ," Wireless Personal Communications, published online, Apr. 2015.
J. Choi, K. B. Lee, S. R. Lee, and J. Ihm, “Channel selection for IEEE 802.11 based wireless LANs using 2.4GHz band,” IEICE Electronics Express, Vol.8, No.16, pp.1275-1280, Aug. 2011.
J. Choi, J. Y. Yun, and H. Oh, “Time synchronization for M-WiMAX femtocells using IEEE 802.11 based wireless backhaul,” IEICE Electronics Express, Vol.8, No.11, pp.795-801, June 2011.
J. Choi and Y.-H. Jung, “Modified RLS algorithm and its application to channel estimation for CDMA systems,” IEICE Trans. Commun., Vol.E93-B, No.5, pp.1322-1325, May 2010.
J. Choi, B. Mondal, and R. W. Heath, Jr., “Interpolation based unitary precoding for spatial multiplexing MIMO-OFDM with limited feedback,” IEEE Trans. Signal Processing, pp.4730-4740, Dec. 2006.
J. Choi and R. W. Heath, Jr., “Interpolation based transmit beamforming for MIMO-OFDM with limited feedback,” IEEE Trans. Signal Processing, pp.4125-4135, Nov. 2005.
J. Choi, H. Yu, and Y. H. Lee, “Adaptive MIMO decision feedback equalization for receivers with time-varying channels,” IEEE Trans. on Signal Processing, vol. 53, no. 11, pp. 4295-4303, Nov. 2005.
S. Jo, J. Choi, and Y. H. Lee, “Modified leaky LMS algorithm for channel estimation in DS-CDMA systems,” IEEE Communications Letters, pp.202-204, May 2002.
J. Choi, C. Lee, H. W. Jung, and Y. H. Lee, “Carrier frequency offset compensation for uplink of OFDM-FDMA systems,” IEEE Communications Letters, pp.414-416, Dec. 2000.

Domestic Journal Papers

C. Jo, J.-I. Byeon, W. Lee, and J. Choi, "Integrated compressive sensing and autofocus for SAR imaging," The Journal of Korean Institute of Electromagnetic Engineering and Science (JKIEES), vol.36, no.12, pp.1224-1236, Dec. 2025 [조찬희, 변정일, 이우경, 최지훈, "SAR 영상 형성을 위한 압축센싱과 자동초점 결합 기법," 한국전자파학회논문지, 36권 12호, 2025년 12월]
M.-H. Choi, H.-W. Lee, J. Choi, and W.-K. Lee, "Compressive sensing for jamming signal suppression and restoration in bistatic SAR," The Journal of Korean Institute of Electromagnetic Engineering and Science (JKIEES), vol.35, no.11, pp.929-942, Nov. 2024 [최민호, 이희우, 최지훈, 이우경, "바이스태틱 SAR에서의 재밍 신호 억제와 압축센싱 기반의 신호 복원 및 품질 개선," 한국전자파학회논문지, 35권 11호, 2024년 11월]
H. J. Lee, S. J. Han, J.-I. Byeon, and J. Choi, "Path loss measurement for air-to-ground channels in unlicensed bands with obstacles," The Journal of Korea Information and Communications Society (J-KICS), vol.47, no.12, pp.2021-2032, Dec. 2022 [이헌제, 한수정, 변정일, 최지훈, "장애물을 고려한 비면허대역 공중-지상 채널 경로 손실 측정," 한국통신학회 논문지, 47권 12호, 2022년 12월]
J. Choi, N. Kwon, and H. Kim, "Hybrid precoding for MIMO-OFDM systems in millimeter wave bands," The Journal of Korea Information and Communications Society (J-KICS), vol.46, no.12, pp.2163-2166, Dec. 2021 [최지훈, 권낙원, 김현채, "밀리미터파 다중 안테나 직교 주파수 분할 다중화 전송을 위한 하이브리드 사전부호화," 한국통신학회 논문지, 46권 12호, 2021년 12월]
K. Kim, Y. Yun, N. Kwon, H. Kim, and J. Choi, "Detection of PRACH sequence for 5G New Radio with physical layer split," The Journal of Korea Information and Communications Society (J-KICS), vol.45, no.9, pp.1517-1526, Sep. 2020 [김기범, 윤여원, 권낙원, 김현채, 최지훈, "물리계층 분할을 고려한 5G NR PRACH 시퀀스 검출," 한국통신학회 논문지, 45권 9호, 2020년 9월]
S. Kim and J. Choi, "Distributed wireless power transfer for multiuser multi-antenna systems using hybrid feedback," The Journal of Korea Information and Communications Society (J-KICS), vol.45, no.9, pp.1508-1516, Sep. 2020 [김선영, 최지훈, "다중 사용자 다중 안테나 시스템을 위한 혼합 피드백 기반 무선 전력 전송 기법," 한국통신학회 논문지, 45권 9호, 2020년 9월]
S. Kim, H. Kim, and J. Choi, “Near-optimal wireless powered information transfer strategy for multiuser MIMO systems,” The Journal of Korea Information and Communications Society (J-KICS), vol.44, no.5, pp.835-844, May 2019. [김선영, 김훈창, 최지훈, “다중 사용자 다중 안테나 시스템을 위한 유사 최적 무선 충전 정보 전송 기법,” 한국통신학회 논문지, 44권 5호, 2019년 5월]
H. Kim, S. Kim, and J. Choi, “Low-complexity precoder design for MIMO systems with per-antenna power constraints,” The Journal of Korea Information and Communications Society (J-KICS), vol.43, no.10, pp.1605-1607, Oct. 2018. [김훈창, 김선영, 최지훈, “안테나별 송신 전력 제약을 갖는 다중안테나 시스템 저복잡도 사전부호화기 설계,” 한국통신학회 논문지, 43권 10호, 2018년 10월]
S. Han, C. Song, J. Choi, "Interference cancellation for wireless LAN systems using full duplex communications," The Journal of Korea Information and Communications Society (J-KICS), vol.40, no.12, Dec. 2015. [한수용, 송충근, 최지훈, “전이중 통신 방식을 사용하는 무선랜을 위한 간섭 제거 기법,” 한국통신학회 논문지, 40권, 12호, 2015년 12월]
H. Kim, J. Bae, and J. Choi, "Wireless LAN based indoor positioning using received signal fingerprint and propagation prediction model," The Journal of Korea Information and Communications Society (J-KICS), vol.38A, no.12, pp.1021-1029, Dec. 2013. [김현수, 배지민, 최지훈, “수신 신호 핑거프린트와 전파 예측 모델을 이용한 무선랜 기반 실내 위치추정,” 한국통신학회 논문지, 38A권, 12호, 2013년 12월]
J. Bae, H. Kim, S. Chang, C. Yoon, and J. Choi, "Time and frequency synchronization algorithm for IEEE 802.16.1a based talk-around direct communications," The Journal of Korea Information and Communications Society (J-KICS), vol.38A, no.2, pp.191-200, Feb. 2013. [배지민, 김현수, 장성철, 윤철식, 최지훈, “IEEE 802.16.1a 기반 단말간 직접통신을 위한 시간 및 주파수 동기화 알고리즘,” 한국통신학회 논문지, 38A권, 2호, 2013년 2월]
S. R. Lee, K. B. Lee, S. Chang, C. Yoon, and J. Choi, "Channel modeling for mobile-to-mobile communications based on IEEE 802.16n," The Journal of Korea Information and Communications Society (J-KICS), vol.36, no.9, pp.767-775, Sept. 2011. [이새롬, 이규범, 장성철, 윤철식, 최지훈, “IEEE 802.16n 기반 단말간 직접통신을 위한 채널 모델링,” 한국통신학회 논문지, 36권 9호, 2011년 9월]
K. B. Lee and J. Choi, "Interference cancellation based on adaptive signal processing for MIMO RF repeaters," The Journal of Korea Information and Communications Society (J-KICS), vol.35, no.9, pp.735-742, Sept. 2010. [이규범, 최지훈, “MIMO RF 중계기를 위한 적응 신호처리 기반의 간섭 제거,” 한국통신학회 논문지, 35권 9호, 2010년 9월]
J. Choi, H. Oh, J. Y. Yun, and H. Ko, "Frame synchronization for mobile WiMAX femtocells using IEEE 802.11 based wireless backhaul," The Journal of Korea Information and Communications Society (J-KICS), vol.35, no.8, pp.667-679, Aug. 2010. [최지훈, 오혁준, 윤재연, 고현모, “IEEE 802.11 기반의 무선 백홀을 사용하는 Mobile WiMAX 펨토셀을 위한 프레임 동기화 기법,” 한국통신학회 논문지, 35권 8호, 2010년 8월]
J. Choi, H. Yu, and Y. H. Lee, "Adaptive equalization for MIMO systems in time-varying channels," Telecommunications Review, vol.14, no.3, pp.449-462, June 2004. [최지훈,유희정,이용훈, "시변 채널상에서 다중 송수신 안테나 시스템을 위한 적응 등화기 구현," Telecommunications Review, 14권 3호, 2004년 6월]
I.-S. Hwang, J. Choi, Y.-D. Kim, K.-W. Kim, Y. H. Lee, "Digital part design of the physical layer for 1000BASE-T systems," Journal of the Institute of Electronics Engineers of Korea (J. IEEK), vol.27, no.10, pp.46-54, Oct. 2000. [황인석, 최지훈, 김영두, 김경욱, 이용훈, “1000BASE-T 시스템의 디지털 물리계층 설계,” 전자공학회지, 27권 10호, 2000년 10월]

International Conference Papers

S. Lee, J. Joung, J. Choi, and J. Kim, "Recovering channel amplitude reciprocity with data-aided gain imbalance estimation in an SFLC-OFDM system," ICOIN2025, Thailand, Jan. 2025.
S. Han, Y. Kim, J.-I. Byeon, J. Joung, and J. Choi, "IRS-aided rate balancing precoding for STLC-based downlink MIMO transmission," ICEIC2024, Taiwan, Jan. 2024.
H.-G. Lee, J. Kim, J. Joung, and J. Choi, "Frequency-varying Doppler shift effect on wideband orthogonal time-frequency space systems," ICEIC2023, Singapore, Feb. 2023.
H. J. Yang, S. Han, and J. Choi, "Low complexity precoding for multiuser MIMO system with double space-time line codes," ICEIC2023, Singapore, Feb. 2023.
J. Kim, J. Joung, and J. Choi, "Intelligent reflecting surface for M-by-Nr space-time line code systems," ICEIC2022, Jeju, Republic of Korea, Feb. 2022.
K. Kim, S. Lee, H. Kwon, Y. Choi, J. Kim, J. Joung, and J. Choi, "Field measurement campaign on ground-to-air channels in LTE networks," ICEIC2021, Jeju, Republic of Korea, Feb. 2021.
S. Kim, K. Kim, J. Joung, and J. Choi, “Feedback assisted distributed wireless power transfer for multiuser MIMO systems,” ICEIC2020, Barcelona, Spain, Jan. 2020.
K. Kim, H. Oh, and J. Choi, “Block averaging based leak detection for water pipes based on vibration sensors,” ITC-CSCC, Jeju Island, June 2019.
E. Shin, J. Joung, and J. Choi, “Source-node-independent 2-by-2 linear precoder for amplify-and-forward two-way relay with two antennas,” ICEIC2018, Honolulu, Hawaii, Jan. 2018.
J. Choi, C. Song, and J. Joung, “ZF-based wireless powered information transfer for multi-user MIMO systems with multiple data streams,” ICEIC2018, Honolulu, Hawaii, Jan. 2018.
J. Choi, H. Oh, and H. C. Jeon, "Propagation prediction for LTE small cells with antenna beam tilt," Proc. of IEEE VTC'14-Fall, Vancouver, Canada, Sept. 2014.
J. Y. Yun, S.-Y. Chung, J. Choi, Y.-U. Jang, and Y. H. Lee, “Predictive transmit beamforming for MIMO-OFDM in time-varying channels with limited feedback,” Proc. of the International Wireless Communications and Mobile Computing Conference (IWCMC), Honolulu, Hawaii, Aug. 2007.
J. Choi and R. W. Heath, Jr., “Interpolation based unitary precoding for spatial multiplexing MIMO-OFDM with limited feedback,” Proc. of IEEE Globecom’04, pp.214-218, Dallas, TX, Nov. 2004.
J. Choi and R. W. Heath, Jr., “Spherical linear interpolation for transmit beamforming in MIMO-OFDM systems with limited feedback,” Proc. of IEEE ASAP’04, Sept. 2004.
J. Choi and Robert W. Heath, Jr., “Interpolation based transmit beamforming for MIMO-OFDM with limited feedback,” Proc. of IEEE ICC’04, pp.249-253, Paris, France, June 2004.
Y.-D. Kim, I.-H. Kim, J. Choi, and Y. H. Lee, “Adaptive modulation for MIMO systems with V-BLAST detection,” Proc. of IEEE VTC’03-Spring, pp.1074-1078, Jeju, Korea, Apr. 2003.
J. Choi, H. Yu, and Y. H. Lee, “Adaptive MIMO decision feedback equalization for receivers in time-varying channels,” Proc. of IEEE VTC’03-Spring, pp.1851-1856, Jeju, Korea, Apr. 2003.
S. Jo, J. Choi, and Y. H. Lee, “Modified leaky LMS algorithm for channel estimation in DS-CDMA systems,” Proc. of IEEE VTC'01-Spring, pp.623-627, Rhodes Island, Greece, May 2001.
J. Choi, C. Lee, H. W. Jung, and Y. H. Lee, “Carrier frequency offset compensation for uplink of OFDM-FDMA systems,” Proc. of IEEE ICC'00, pp.425-429, New Orleans, LA, June 2000.

Patents Pending

김윤동, 최지훈, 김현채, 김언상, "이동형 거대 다중 안테나 시스템을 위한 저복잡도 최적화 방법," 대한민국 특허 출원번호 10-2025-0206415, 2025년 12월 22일. ["Low-complexity optimization method for movable gigantic multiple antenna systems," Korea Patent Pending 10-2025-0206415, Dec. 22, 2025]
J. Choi, N. Kwon, and H. C. Kim, "Method and apparatus for processing signal in multi-antenna multicarrier system," Patent Pending EP22203015.7, Oct. 21, 2022.
최지훈, 권낙원, 김현채, "다중 안테나 다중 반송파 시스템에서의 신호 처리 방법 및 장치," 대한민국 특허 출원 10-2022-0135812, 2022년 10월 20일.
H. C. Kim, W. Moon, N. Kwon, and J. Choi, "Communication node, communication system and operating method thereof," Patent Pending PCT/KR2020/016476, Nov. 20, 2020.

Patents

김현채, 문우식, 권낙원, 최지훈, "통신 노드, 통신 시스템, 및 이의 동작 방법," 대한민국 특허 등록번호 10-2967126, 2026년 5월 15일. ["Communication node, communication system and operating method thereof," Korea Patent 10-2967126, May 15, 2026]
변정일, 이우경, 최지훈, "변형된 저랭크 희소 분해 기반 압축센싱 합성 개구 레이더 영상 형성 장치 및 방법," 대한민국 특허 등록번호 10-2934034, 2026년 2월 26일. ["Method and apparatus for compressive SAR based on modified low-rank and sparse decomposition," Korea Patent 10-2934034, Feb. 26, 2026]
정진곤, 김재홍, 이한결, 최지훈, 양홍준, 한수민, "다중 시공간 선 부호화 전송을 위한 저 복잡도 사전부호화 방법," 대한민국 특허 등록번호 10-2834231, 2025년 7월 10일. ["Low complexity precoding system for transmission using multiple space-time line codes," Korea Patent 10-2834231, July 10, 2025]
H. C. Kim, W. Moon, N. Kwon, and J. Choi, "Communication node, communication system and operating method thereof," US Patent 12336021 B2, June 17, 2025.
정진곤, 최지훈, 김재홍, "MBCD 알고리즘을 이용한 지능형 반사 표면 위상 제어 장치 및 방법," 대한민국 특허 등록번호 10-2797350, 2025년 4월 14일. ["Apparatus and method for intelligent reflecting surface phase control using MBCD algorithm," Korea Patent 10-2797350, Apr. 2025]

N. Kwon, H. Kim, and J. Choi, "Method and apparatus for processing signal in multi-antenna multicarrier system," US Patent 12231193 B2, Feb. 18, 2025.
H. Kim, W. Moon, N. Kwon, and J. Choi, "Communication nodes, communication systems, and their operating methods," Japan Patent 07568720, Oct. 7, 2024.
노태균, 오혁준, 장성철, 최지훈, "가변 길이의 입출력을 갖는 블록 코드를 이용한 부호화 방법 및 장치," 대한민국 특허 등록번호 10-2601339, 2023년 11월 13일. ["Method and apparatus for coding using block code of variable I/O length," Korea Patent 10-2601339, Nov. 13, 2023]
정진곤, 최지훈, "다중 시공간 선 부호화 및 복호화를 이용한 데이터 송수신 방법 및 시스템," 대한민국 특허 등록번호 10-2467175, 2022년 11월 10일. ["Method and system for transmitting/receiving data using multiple space time lind codes/decodes," Korea Patent 10-2467175, Nov. 10, 2022]
김현채, 문우식, 권낙원, 최지훈, "통신 노드, 통신 시스템, 및 이의 동작 방법," 대한민국 특허 등록번호 10-2967126, 2026년 5월 15일. ["Communication node, communication system and operating method thereof," Korea Patent 10-2967126, May 15, 2026]
김선영, 김기범, 최지훈, "다중 사용자 다중 안테나 시스템을 위한 피드백 기반 무선전력 송수신 방법과, 그 공유기 및 단말," 대한민국 특허 등록번호 10-2345762, 2021년 12월 28일. ["Transmission and reception method for feedback assisted wireless power transfer for multiple antenna system, and access point and terminal thereof," Korea Patent 10-2345762, Dec. 28, 2021]
정진곤, 최지훈, 김선영, "무선 전력 충전정보 전송 방법 및 그 방법을 수행하는 공유기," 대한민국 특허 등록번호 10-2193882, 2020년 12월 16일. ["The method for transmitting wireless power charging information and the router performing the method," Korea Patent 10-2193882, Dec. 16, 2020]
정진곤, 최지훈, "시공간 부호화를 이용한 다중 안테나 통신 시스템," 대한민국 특허 등록번호 10-2002497, 2019년 7월 16일. ["Multiple antenna communication systems using space-time line code," Korea Patent 10-2002497, July 16, 2019]
송충근, 한수용, 최지훈, "무선 충전 기반 정보 전송 방법 및 장치," 대한민국 특허 등록번호 10-1915688, 2018년 10월 31일. ["Wireless information transfer method based on wireless charging and apparatus therefor," Korea Patent 10-1915688, Oct. 31, 2018]
한수용, 최지훈, "다중 사용자 다중 안테나 시스템에서의 사전부호화 방법 및 장치," 대한민국 특허 등록번호 10-1969018, 2019년 4월 9일. ["Precoding method for multi-user multiple antenna system and apparatus therefor," Korea Patent 10-1969018, Apr. 9, 2019]
T. Noh, H. Oh, S. C. Chang, and J. Choi, "Method and apparatus for performing encoding using block code having input/output of variable length," US Patent 10097206, Oct. 9, 2018.
H. J. Kim, S. Kim, S. C. Chang, H. Kim, J. Bae, and J. Choi, "Communication method for preventing signal collision in peer aware communication system and apparatus for transmitting/receiving using the method," US Patent 10178695, Jan. 8, 2019.
김형진,김석기,장성철,최지훈,김현수,배지민, "근접 인지 통신시스템에서의 신호 충돌 방지를 위한 통신 방법 및 이를 이용한 송수신 장치," 대한민국 특허 등록번호 10-2272861, 2021년 6월 29일. ["Communication method for preventing signal collision in peer aware communication system and apparatus for transmitting/receiving using the same," Korea Patent 10-2272861, June 29, 2021]
최지훈, 배지민, 김현수, "무선랜 기반 실내 위치 추정 방법, 서버 및 단말," 대한민국 특허 등록번호 10-1483998, 2015년 1월 13일. ["Method for estimating indoor position based on wireless LAN, server and terminal," Korea Patent 10-1483998, Jan 13, 2015]
S. C. Chang, E. Kim, H. Lee, S. K. Kim, W.-I. Kim, C. S. Yoon, K. J. Lim, Y.-H. Jung, M.-Y. Yun, J. Choi, and S. Kim, "Method and terminal for performing direct communication between terminals," US Patent 08730832, May 20, 2014.
조승현,신성호,최지훈,이규범,이새롬, "무선 채널설정장치 및 무선 채널설정장치의 채널 설정 방법," 대한민국 특허 등록번호 10-1251629, 2013년 4월 1일. ["Wireless channel setting-up device and channel setting-up method for thereof," Korea Patent 10-1251629, Apr. 1, 2013]
최지훈,이규범,이새롬, "통신시스템에서 펨토셀의 전력 제어 방법 및 장치," 대한민국 특허 등록번호 10-1160574, 2012년 6월 21일. ["Method and apparatus for controlling power of femtocell in a communication system," Korea Patent 10-1160574, June 21, 2012]
윤재연,최지훈,신성호,변재완,오혁준, "비대칭 통신링크에서의 소형기지국 동기화 장치 및 동기화 방법," 대한민국 특허 등록번호 10-1629448, 2016년 6월 3일. ["Apparatus and method for synchronizing micro base station in asymmetric communication links," Korea Patent 10-1629448, June 3, 2016]
윤재연,고현모,송승호,최지훈,오혁준,신성호,변재완, "무선 링크를 이용한 소형기지국 동기화 장치 및 방법," 대한민국 특허 등록번호 10-1624643, 2016년 5월 20일 ["Apparatus and method for synchronizing micro base station using wireless link," Korea Patent 10-1624643, May 20, 2016]
윤재연,송승호,고현모,신성호,변재완,최지훈,오혁준, "소형기지국 동기화 방법 및 이를 이용한 시스템," 대한민국 특허 등록번호 10-1629437, 2016년 6월 3일. ["Method for micro base station synchronization and system thereof," Korea Patent 10-1629437, June 3, 2016]
최지훈, 조성권, "무선 이동 통신 시스템의 전력 제어 장치 및 방법," 대한민국 특허 등록번호 10-0933128, 2009년 12월 11일. ["Apparatus and Method for controlling power in wireless communication system," Korea Patent 10-0933128, Dec. 11, 2009]
최지훈, 조성권, 이준상, "이동통신시스템에서 전력 할당 장치 및 방법," 대한민국 특허 등록번호 10-0958600, 2010년 5월 11일. ["Apparatus and method for allocating power in mobile communication system," Korea Patent 10-0958600, May 11, 2010]
J.-H. Lee, M.-K. Cho, S.-H. Nam, J.-Y. Yun, Y.-H. Lee, S.-Y. Chung, J. Choi, "Apparatus and method for determining beamforming vector in a codebook-based beamforming system," US Patent 07907913, Mar. 15, 2011.
최지훈, 조성권, "통신 시스템에서 가중치 계수 결정 방법 및 장치," 대한민국 특허 등록번호 10-0969781, 2010년 7월 5일. ["Apparatus and method for determining scaling factor in communication system," Korea Patent 10-0969781, July 5, 2010]
최지훈,김윤선,조성권,이지원, "패킷 데이터 이동통신 시스템에서 역방향 채널의 송수신장치 및 방법," 대한민국 특허 등록번호 10-0770877, 2007년 10월 22일. ["Apparatus and method for transmitting and receiving reverse link channel in a mobile communication system for packet data," Korea Patent 10-0770877, Oct. 22, 2007]
이종혁,조면균,남승훈,윤재연,이용훈,정세영,최지훈, "코드북 기반의 빔포밍 시스템에서 빔포밍 벡터 결정 장치및 방법," 대한민국 특허 등록번호 10-0867315, 2008년 10월 31일. ["Apparatus and method for determining beamforming vector in beamforming system using codebook," Korea Patent 10-0867315, Oct. 31, 2008]
J. Choi and R. W. Heath, Jr., "System and method for interpolation based transmit beamforming with partial feedback," US Patent 07676007, Mar. 9, 2010.
J. Choi, Y.-H. Lee, and H. Yu, "Adaptive receiving system and method for MIMO," US Patent 07346104, Mar. 18, 2008.
Y.-D. Kim, I. Kim, H. Yu, J. Choi, T. Jeon, J.-Y. Ahn, and Y.-H. Lee, "Apparatus and method for adaptively modulating signal by using layered time-space detector used in MIMO system," US Patent 07453947, Nov. 18, 2008.
김영두, 김인형, 유희정, 최지훈, 전태현, 안재영, 이용훈, "층적 공간-시간 구조의 검파기를 갖는 다중 입출력시스템에 적용되는 적응 변복조 장치 및 그 방법," 대한민국 특허 등록번호 10-0552669, 2006년 2월 9일. ["Adaptive modulation method for MIMO system using layered time-space detector", Korea Patent 10-0552669, Feb. 9, 2006]

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