Publications

Journal papers


  1. Sang Hyun Lee and Illsoo Sohn, “Message-passing-based dynamic point selection for coordinated multipoint transmission,” IEEE Communications Letters, vol. 19, no. 10, pp. 1850-1853, Oct. 2015

  2. Sang Hyun Lee and Illsoo Sohn, “Affinity propagation for energy-efficient BS operations in green cellular networks," IEEE Transactions on Wireless Communications, vol. 14, no. 8, pp. 4534-4545, August 2015

  3. Sang Hyun Lee and Illsoo Sohn, “Distributed relay pairing for bandwidth exchange based cooperative forwarding,” IEEE Communications Letters, vol. 19, no. 3, pp. 459-462, March 2015

  4. Sang Hyun Lee, Sung-Yoon Jung, and Jae Kyun Kwon, “Modulation and coding for dimmable visible light communication,” IEEE Communications Magazine, vol. 53, no. 2, pp. 136-143, Feb. 2015

  5. 이상현, 권재균, “조명의 디밍을 지원하는 이진 가시광 통신에 대한 플리커의 주파수 분석,“ 한국통신학회논문지, vol. 40, no. 1, pp. 240-245, Jan. 2015

  6. Sang Hyun Lee and Sriram Vishwanath, “Distributed rate allocation for network-coded multicast networks,“ IEEE Communications Letters, vol. 17, no. 11, pp. 2204-2207, Nov. 2013

  7. Sang Hyun Lee and Jae Kyun Kwon, “Distributed dimming control for LED lighting,“ Optics Express, vol. 21, no. S6, pp. A917-A932, Nov. 2013

  8. Sang Hyun Lee, Kang-Il Ahn, and Jae Kyun Kwon, “Multilevel transmission in dimmable visible light communication systems," IEEE/OSA Journal of Lightwave Technology, vol. 31, no. 20, pp. 3267-3276, Oct. 15, 2013

  9. Sang Hyun Lee, Manohar Shamaiah, Haris Vikalo, and Sriram Vishwanath, “Message-passing algorithms for coordinated spectrum sensing in cognitive radio networks,“ IEEE Communications Letters, vol. 17, no. 4, pp. 812-815, April 2013

  10. Manohar Shamaiah, Sang Hyun Lee, Sriram Vishwanath, and Haris Vikalo, “Distributed algorithms for spectrum access in cognitive radio relay networks,“ IEEE Journal of Selected Areas on Communications, vol. 30, no. 10, pp. 1947 - 1957, Nov. 2012

  11. Sang Hyun Lee and Sriram Vishwanath, “Boolean functions over nano-fabrics: improving resilience through coding,“ IEEE Transactions on Very Large Scale Integrated (VLSI) Systems, vol. 20, no. 11, pp. 2054-2065, Nov. 2012

  12. Sang Hyun Lee and Jae Kyun Kwon, “Turbo code-based error correction scheme for dimmable visible light communication systems," IEEE Photonics Technology Letters, vol. 24, no. 17, pp. 1463-1465, Sept. 2012

  13. Manohar Shamaiah, Sang Hyun Lee, and Haris Vikalo, “Graphical models and inference on graphs in genomics: challenges of high-throughput data analysis,“ IEEE Signal Processing Magazine, vol. 29, no. 1, pp. 51-65, Jan. 2012

  14. Illsoo Sohn, Sang Hyun Lee, and Jeffrey Andrews, “Belief propagation for distributed downlink beamforming in cooperative MIMO cellular networks,“ IEEE Transactions on Wireless Communications, vol. 10, no. 12, pp. 4140-4149, Dec. 2011

  15. Sang Hyun Lee and Kwang Soon Kim, “Design of low-rate irregular LDPC codes using trellis search,“ IEEE Transactions on Communications, vol. 57, no. 7, pp. 1994-2004, July 2009

  16. Yun Hee Kim, Kwang Soon Kim, and Sang Hyun Lee, “Design and performance of an LDPC-coded FH-OFDMA system in the uplink cellular environments,“ IEICE Transactions on Communications, vol. E89-B, no. 3, pp. 828-836, March 2006

  17. Sang Hyun Lee, Kwang Soon Kim, Yun Hee Kim, and Jae Young Ahn, “A cycle search algorithm based on a message-passing for the design of good LDPC codes,“ IEICE Transactions on Fundamentals of Electronics, Communications, and Computer Sciences, vol. E88-A, no. 6, pp. 1599-1604, June 2005

  18. Kwang Soon Kim, Sang Hyun Lee, Yun Hee Kim, and Jae Young Ahn, “Design of binary LDPC code using cyclic shift matrices,“ IEE Electronics Letters, vol. 40, no. 5, pp. 325-326, March 2004

  19. 김윤희, 김광순, 이상현, 장경희, "Standardization trends of IEEE 802.16 wireless MAN," NIPA 주간기술동향, no. 1063, 2002



Book chapters


  1. Jae Kyun Kwon and Sang Hyun Lee, “Modulation techniques with lighting contraints,“ Visible Light Communication, Cambridge Univeristy Press, 2015



Conference papers


  1. Jinyoung Hwang, Sang Hyun Lee, and Hyosug Lee, “Channel limitation of 1-D wire random network for transparent conducting electrodes application,“ IEEE Nanotechnology Materials and Devices Conference, Anchorage, AK., Sept. 2015

  2. Sang Hyun Lee, Manohar Shamaiah, Sriram Vishwanath and Haris Vikalo, “A message-passing algorithm for spectrum access in cognitive radio relay networks,“ Asilomar conference, Pacific Cove, CA., Nov. 2011

  3. Sang Hyun Lee, Manohar Shamaiah and Haris Vikalo, “Message-passing for base-calling in sequencing-by-synthesis systems," ICASSP, Prague, Czech Rep., May 2011

  4. Manohar Shamaiah, Sang Hyun Lee, Sriram Vishwanath and Haris Vikalo, “Distributed routing in networks using affinity propagation," ICASSP, Prague, Czech Rep., May 2011

  5. Illsoo Sohn, Sang Hyun Lee, and Jeffrey Andrews, “A graphical model approach to downlink cooperative MIMO systems,“ GLOBECOM, Miami, FL., Dec. 2010

  6. Manohar Shamaiah, Sang Hyun Lee, and Haris Vikalo, “Inference of gene-regulatory networks using message-passing algorithms," GENSIPS, Cold Spring Harbor, NY., Nov. 2010

  7. Sang Hyun Lee, Manohar Shamaiah, and Haris Vikalo “Optimal estimation for microarrays via global optimization," Asilomar conference, Pacific Cove, CA., Nov. 2010

  8. Sang Hyun Lee, Ankit Ghiya, Sriram Vishwanath, Sung Soo Hwang, and Sunghwan Kim, “Structured dirty-paper coding using low-density lattices," ICASSP, Dallas, TX., Mar. 2010

  9. Sang Hyun Lee, Haris Vikalo, and Sriram Vishwanath, “Further results on message-passing algorithms for motif finding,“ ICASSP, Dallas, TX., Mar. 2010

  10. Sang Hyun Lee and Sriram Vishwanath, “Boolean functions over nano-fabrics: improving resilience through coding,“ ITW, Cairo, Egypt, Jan. 2010

  11. Amin Jafarian, Sang Hyun Lee, Sriram Vishwanath, and Christina Fragouli, “Distributed rate allocation for network-coded systems," SECON, Rome, Italy, June 2009

  12. Sang Hyun Lee, Haris Vikalo, and Sriram Vishwanath, “Message-passing for motif finding,“ GENSIPS, Minneapolis, MN., May 2009

  13. Jery Xuan, Sang Hyun Lee, and Sriram Vishwanath, “Broadcast strategies for MISO and multiple access channels,“ PIMRC, Athens, Greece, Sept. 2007

  14. Sang Hyun Lee, Duhee Rhee, Ilmu Byun, and Kwang Soon Kim, “Use of dynamic programming for the design of irregular LDPC codes," ISITA, Seoul, Korea, Oct. 2006

  15. Sang Hyun Lee, Kwang Soon Kim, Jae Kyun Kwon, Yun Hee Kim, and Jae Young Ahn, “Design of an LDPC code with low error floor,“ ISIT, Adelaide, Australia, Sept. 2005

  16. Yun Hee Kim, Kwang Soon Kim, and Sang Hyun Lee, “On LDPC decoding for frequency hopping OFDMA cellular systems in the downlink,“ VTC-spring, Stockholm, Sweden, May 2005

  17. Sang Hyun Lee, Kwang Soon Kim, Yun Hee Kim, and Jae Young Ahn, “A cycle search algorithm for an LDPC code design,“ ISITA, Parma, Italy, Oct. 2004

  18. Sang Hyun Lee, Kwang Soon Kim, and Kyung-Hi Chang, “A trellis-based algorithm for the realization of FIR filters for multi-mode receivers,“ ISSPA, Paris, France, July 2003

  19. Yun Hee Kim, Kwang Soon Kim, Sang Hyun Lee, and Kyung-Hi Chang, “An LDPC-coded spatial multiplexing OFDMA system with iterative demodulation and decoding,“ VTC-Spring, Jeju, Korea, April 2003

  20. Yun Hee Kim, Sang Hyun Lee, Byung Yang Ahn, Kwang Soon Kim, and Deuk Su Ryu, “Design and implementation of a modem analysis tool for the 3GPP,“ ETRI-CRL Joint conf., Tokyo, Japan, Aug. 2001



International patents


  1. Method of switching off power of base stations within cellular network by using message passing, and base station and cellular network system using the method: 유럽 출원 EP13193153.7 (2013.11.15), 중국 출원 201310553306.5 (2013.11.08)

  2. Method and apparatus for base station with distributed resource allocation under device-to-device communication systems: 중국 출원 201310396335.5 (2013.09.04), 미국 출원 US13/963020 (2013.08.09)

  3. Method and apparatus for error correction in dimmable visible light communication systems: 중국 출원 201310180197.7 (2013.05.15), 미국 출원 US13/893808 (2013.05.14)

  4. Method of dirty paper coding using nested lattice codes: 미국 등록US8,254,484 (2012.08.28)

  5. Codeword automatic repeat request/decoding method and transmission/reception apparatus using feedback information: 미국 등록 US7,797,604 (2010.09.14)

  6. Decoding apparatus for low-density parity-check codes using sequential decoding, and method thereof: 미국 등록 US7,590,914 (2009.09.15)

  7. Apparatus and method for erasure detection and soft-decision decoding in cellular system receiver: 미국 등록 US7,453,959 (2008.11.18)

  8. Apparatus for encoding and decoding of low-density parity-check codes, and method thereof: 미국 등록 US7,395,494 (2008.07.01)

  9. Digital filter for software-defined radio system, digital intermediate frequency signal processing apparatus having the digital filter, and method thereof: 미국 등록 US7,372,927 (2008.05.13)

  10. Hybrid multi-user interference cancellation method and device using clustering algorithm based on dynamic programming: 미국 등록 US7,260,161 (2007.08.21)

  11. Simplified message-passing decoder for low-density parity-check codes: 미국 등록 US7,178,081 (2007.02.13)

  12. Adaptive transmission and receiving method and device in wireless communication system with multiple antennas: 미국 등록 US7,123,887 (2006.10.17)

  13. Method and device for performing soft decision decoding on Reed-Muller codes using decision by majority: 미국 등록 US7,093,189 (2006.08.15)



Domestic patents


  1. 무선통신시스템의 기지국 동작 제어 방법: 한국 출원 10-2015-0069384 (2015.05.19)

  2. OOK 방식을 이용한 정보 송수신 방법 및 장치: 한국 출원 10-2013-0131504 (2013.10.31)

  3. 적어도 하나 이상의 블록들을 결합하여 기능을 수행하는 방법 및 장치: 한국 출원 10-2013-0103431 (2013.08.29)

  4. 신소재 개발을 위하여 타겟 물질을 스크리닝하는 방법 및 장치: 한국 출원 10-2013-0031923 (2013.03.26)

  5. 메시지 전달을 이용하여 셀룰러 네트워크 내의 기지국들의 전원을 차단하는 방법, 이를 이용하는 기지국 및 셀룰러 네트워크 시스템: 한국 출원 10-2013-0030576 (2013.03.21)

  6. 기지국과의 통신을 위한 자원을 할당하는 방법 및 단말: 한국 출원 10-2013-0028821, (2013.03.18)

  7. 명도 조절이 가능한 가시광 통신을 위한 오류 정정 방법 및 장치: 한국 출원 10-2012-0143177 (2012.12.11)

  8. 셀룰러 시스템의 하향 링크 신호 생성 장치와 셀 탐색 방법 및 장치: 한국 등록 1007673120000 (2007.10.09)

  9. 궤환 정보를 이용한 부호어 재전송/복호 방법 및 송수신장치: 한국 등록 1007343890000 (2007.06.26)

  10. LDPC 부호기 및 복호기, 및 LDPC 부호화 방법 및 복호화 방법: 한국 등록 1006410520000 (2006.10.25)

  11. 셀룰러 시스템 수신기에서의 이레이져 검출 및 연판정복호 장치와 그 방법: 한국 등록 1006334830000 (2006.10.02)

  12. 순차적 복호를 이용한 저밀도 패리티 검사 부호의 복호장치 및 그 방법: 한국 등록 1005948180000 (2006.06.22)

  13. 다중 안테나 무선 통신 시스템에서의 적응 송수신 방법 및 그 장치: 한국 등록 1005918900000 (2006.06.14)

  14. 저밀도 패리티 검사 부호의 부호화와 복호 장치 및 그 방법: 한국 등록 1005501010000 (2006.02.01)

  15. 동적 계획법 기반의 그룹화 기법을 이용한 혼합형 다중사용자 간섭 제거 방법과 그 장치: 한국 등록 1020030009752 (2005.05.02)

  16. 부호 분할 다중 접속 시스템용 기지국 복조기에서의 칩 연산 장치 및 그 방법과, 그 장치를 사용한 기지국 복조기: 한국 등록 1004447320000 (2004.08.06)

  17. 통신 시스템의 모뎀 분석 장치 및 그 방법: 한국 등록 1004419900000 (2004.07.19)

  18. 이동 통신용 무선 기지국 시스템: 한국 등록 1004132210000 (2003.12.16)