YOUNGCHUL SUNG - KAISTAug. 2012 – Jul. 2013 Visiting Scientist, The Research Laboratory of...
Transcript of YOUNGCHUL SUNG - KAISTAug. 2012 – Jul. 2013 Visiting Scientist, The Research Laboratory of...
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YOUNGCHUL SUNG
Professor
School of Electrical Engineering
KAIST, Daejeon 34141
Republic of Korea
Tel) 82-42-350-3484
Fax)82-42-350-3410
Email) [email protected]
https://sites.google.com/view/youngchulsung
EDUCATION
Aug. 2000 – May 2005 Ph.D. in Electrical and Computer Engineering (Minor: Applied Mathematics)
Cornell University, Ithaca, NY, USA
Advisor: Prof. Lang Tong
Dissertation Title: “Detection of Non-independent and Identically Distributed Signals:
Asymptotic Analysis”
Mar. 1993 – Feb. 1995 M. S. in Electronics Engineering
Seoul National University, Seoul, Korea
Advisor: Prof. Sangwook Nam
Mar. 1989 – Feb. 1993 B. S. in Electronics Engineering
Seoul National University, Seoul, Korea
EMPLOYMENT AND CAREER
Sep. 2018 – Present Professor, School. of EE, KAIST, Daejeon, Republic of Korea
Mar. 2010 – Aug. 2018 Associate Professor, Dept. of EE, KAIST, Daejeon, Republic of Korea
Feb. 2007 – Feb. 2010 Assistant Professor, Dept. of EE, KAIST, Daejeon, Republic of Korea
Jan. 2018 – Dec. 2018 Visiting Associate Researcher, Dept. of Electrical Engineering,
Univ. of California, Irvine, Host: Prof. Hamid Jafarkhani
Aug. 2012 – Jul. 2013 Visiting Scientist, The Research Laboratory of Electronics (RLE) of
Massachusetts Institute of Technology, Host: Prof. Lizhong Zheng
Oct. 2005 – Jan. 2007 Senior Engineer, Corporate R & D Center, Qualcomm, Inc.
5775 Morehouse Dr., San Diego, CA 92121, USA
Jun. 2005 – Sep. 2005 Postdoctoral Associate, School of Electrical and Computer Engineering,
Cornell University, Ithaca, NY, USA
Jan. 1995 – Jun. 2000 Senior Research Engineer, LG Information & Communications, Ltd., Seoul, Korea
Dept. of Digital Communications (Jan. 97 - Jun. 00), supervisor: Dr. Kyungkuk Lee
Dept. of Satellite Communications (Jan. 95 - Dec. 96), supervisor: Dr. Nakmyeong Kim
mailto:[email protected]
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RESEARCH INTERESTS
Signal Processing for Communications; Communication Theory and Systems
Statistical Signal Processing and Statistical Inference
Signal Processing Theory and Methods
Research History
2007 ~ Present: Wireless Communications: Signal Processing for Communications Statistical Signal Processing and Statistical Inference
2005 ~ 2007: WCDMA (3GPP Release 5/ 6) at Qualcomm, San Diego, CA, USA
2000 ~ 2005: Statistical Signal Processing, Asymptotic Statistics, and Large Deviations
- Detection of Correlated Random Processes with Application to Sensor Networks 1995 ~ 2000: CDMA at LG Information & Communications, Ltd. (now merged with LG Electronics)
PROFESSIONAL ACTIVITIES
Professional Affiliations
IEEE Senior Member (S’92, M’93, SM’09)
IEEE Signal Processing Society, Communication Society, Information Theory Society
Institute of Electronics and Information Engineers (IEIE) of Korea
Korean Institute of Communications and Information Sciences (KICS),
International Professional Activities and Services
Editorial Services
Associate Editor, IEEE Transactions on Signal Processing, Sep. 2017 ~ Present (consecutive two terms)
Associate Editor, IEEE Signal Processing Letters, Jan. 2012 ~ Jan. 2014
Editor, ICT Express, Jun. 2015 ~ Dec. 2019
Guest Editor, 2012 IEEE Journal on Selected Areas in Communications, Special Issue on
“Theories and Methods for Advanced Wireless Relays,” 2012
Technical Committee (TC) Activities
Member, UNESCO/Netexplo Advisory Board (UNAB), May. 2015 – Apr. 2017
IEEE Communications Society, Asia Pacific Board (IEEE ComSoc APB)
Vice Director, Jan. 2020 – Present
Chair, Chapters Coordination Committee (CCC), Jan. 2018 – Dec. 2019
Chair, Membership Development Committee (MDC), Jan. 2016 – Dec. 2017
Vice Chair, Information Services Committee (ISC), Jan. 2014 – Dec. 2015
Vice Chair, Meeting and Conference Committee (MCC), Jan. 2012 – Dec. 2013
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Member, IEEE Communications Society, Signal Processing and Communications Electronics
(IEEE ComSoc SPCE) Technical Committee, Jan. 2014 - Present
Member, IEEE Communications Society, Student Competition Committee, 2019, 2018, 2017, 2016
Member, Asia-Pacific Signal and Information Processing Association (APSIPA),
Signal and Information Processing Theory and Methods (SIPTM) TC,
Jan. 2010 – Dec. 2018
Conference Activities
Organizing Role
Organizing Committee Member, East Asian Summer School of Information Theory, Taipei, 2018
TPC Co-Chair, KICS–North America, Information Theory Workshop, San Diego, CA, 2018
TPC Co-Chair, KICS–North America, Information Theory Workshop, San Diego, CA, 2017
TPC Track Chair, IEEE VTC 2014
Publicity Chair (Asia-Pacific), IEEE Globecom 2012
Sponsorship Chair, IEEE WiOpt 2009
TPC Member
2021: ICC
2020: ICML, NeurIPS, Globecom, ICC, SPAWC, WCNC
2019: Globecom, ICC, SPAWC, IWCMC, 1st Intl. Workshop on Rate Splitting for 5G and Beyond
2018: Globecom, ICC, ISWCS, APSIPA
2017: Globecom, ISWCS, WCSP, ICIC
2016: Globecom, ISWCS, APCC, URSI AP-RASC mmWave comm. special session organizer
2015: Globecom, ICC, ISWCS
2014: Globecom, ICC, APSIPA, MILCOM
2013: Globecom, APSIPA, DCOSS,
2012: Globecom, APSIPA, TENCON
2011: Globecom, ICC, ITC-CSCC/Special Sesssion Organizer
2010: Globecom, APSIPA, DCOSS, PIMRC, MILCOM
2009: Globecom, APSIPA
2008: SAM
External Expert Reviewer for
ICASSP 2020/2019/2018/2017/2013/2012/2011/2010/2009/2008
SPAWC 2011/2010
Activities in Korea
Korean Institute of Communications and Information Sciences (KICS, 한국통신학회)
- Elected Trustee (직선평의원, 2014 - Present)
- International Liaison Division, Director (국제협력집행이사, 2018, 2017, 2016, 2015)
- Domestic Journal Division, Director (국내논문이사, 2014)
- Associations Representative (2012, 2011)
Technical Committee (TC) Activities
- KICS, Coding and Information Theory Society (한국통신학회 부호및정보이론 연구회)
Chair (2015)
Vice Chair (2014)
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Secretary (2013, 2012, 2011)
TC Member (2008 – Present)
- KICS, Mobile Communications Society (한국통신학회 이동통신연구회)
TC Member (2010-Present)
- KICS, Military Communications Society (한국통신학회 군통신연구회)
Secretary (2011,2010, 2009),
TC Member (2009 –Present)
Conference and Workshop Activities:
Organizing Role
- TPC Vice Chair, JCCI 2017
- TPC Vice Chair, JCCI 2016
- Financial Committee Chair, JCCI 2011
- Special Session Committee Chair, JCCI 2010
- TPC Co-Chair, KICS 2011 Future IT Forum
TPC Member
- KICS Mobile Communications Society 2011
- KICS Military Communications Workshop 2008,2009,2010
- KICS 2009 Fall Workshop Special Session
HONORS AND AWARDS
Samsung Humantech Paper Award (Silver), coauthored with Whiyoung Jung, Feb. 2020
World Cyber Games (WCG) 2019, New Horizons, Semi-Finalist with students Woojun Kim et al. Jul. 2019
Samsung Humantech Paper Award (4th Place), coauthored with Woojun Kim and Myungsik Cho, Feb. 2019
Championship, the 1st AI Soccer Worldcup, with students Woojun Kim et al., Aug. 2018
Championship, the 1st KAIST Intramural AI Soccer Competition, with students Woojun Kim et al.,
Mar. 2018
Second Prize, the 1st AI Soccer Korean Cup, with students Woojun Kim et al., Dec. 2017
Samsung Humantech Paper Award (Two bronze awards): One coauthored with Gilwon Lee and
the other coauthored with Junyeong Seo et al., Jan. 2015
Distinguished Service Award, Korean Institute of Communications and Information Sciences (KICS),
Nov. 2014
Samsung Humantech Paper Award (Silver), coauthored with Juho Park, Jan. 2013
Samsung Humantech Paper Award (Bronze), coauthored with Heejung Yu, Feb. 2011
Representative of Korean Young IT Engineers and Researchers Appointed by KISTEP
for the 1st Korea, China, Japan Young Researchers’ Workshop, held together with
Korea, China, Japan Summit Meeting, May 2010
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JCCI 2010 Best Paper Award, coauthored with Juho Park, Apr. 2010
ICASSP 2005 Best Student Paper Award, May 2005
JOURNAL AND TOP CS CONFERENCE PUBLICATION
Classification by Research Theme
Statistical Signal Processing, Statistical Inference and Machine Learning
Reinforcement Learning
[M.1],[M.2],[M.3],[M.4],[M.5],[M.6],[M.7],[42]
Large Deviations on Detection of Correlated Random Processes/Fields
[5], [6], [7], [8], [10], [21]
Contiguity and Local Asymptotic Normality (LAN) on Parametric Statistical Models
[4], [11]
Signal Processing for Communications
MIMO Communication
Massive MIMO and mmWave Massive MIMO
Multi-user MIMO downlink scheduling and system aspects
[33], [35], [38], [39]
Pilot signal design and channel estimation
[29], [31], [34], [41], [43]
Beamformer design and adaptive algorithms
[22], [32]
MIMO Interference/Broadcast Channels
High diversity reliable multi-user MIMO communication
[40]
Interference alignment: Fast adaptive algorithms and outage analysis
[14], [15], [16], [17], [20], [27]
Pareto-optimal beamforming for MISO/MIMO interference channels
[23], [26]
New Multiple Access and Waveforms
[36], [37], [39]
Filter-and-Forward Relays
[18], [19], [24], [25], [28]
Blind Signal Processing for Communications
[1], [2], [3], [9], [30]
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Chronological List
Machine Learning Conferences
< Submitted >
M.7 Woojun Kim and Youngchul Sung, “A maximum mutual information framework for multi-agent
reinforcement learning,” submitted to NeurIPS 2020, Jun. 2020
Available at https://arxiv.org/abs/2006.02732
M.6 Sungho Choi, Seungyul Han and Youngchul Sung, “Cross-domain imitation learning with a dual structure,”
submitted to NeurIPS 2020, Jun. 2020
Available at https://arxiv.org/abs/2006.01494
M.5 Seungyul Han and Youngchul Sung, “Diversity actor-critic: Sample-aware entropy regularization for
sample-efficient exploration,” submitted to NeurIPS 2020, Jun. 2020
Available at https://arxiv.org/pdf/2006.01419.pdf
< Published or Accepted >
M.4. Whiyoung Jung, Giseung Park, and Youngchul Sung, “Population-guided parallel policy search
for reinforcement learning,” International Conference on Learning Representations (ICLR), Apr. 2020
(Samsung Humantech Paper Award, Silver in the CS Division)
M.3. Seungyul Han and Youngchul Sung, “AMBER: Adaptive multi-batch experience replay for
continuous action control,” IJCAI Workshop on Scaling Up Reinforcement Learning,
Macao, China, Aug. 2019
M.2. Seungyul Han and Youngchul Sung, “Dimension-wise importance sampling weight clipping for
sample-efficient reinforcement learning,” ICML 2019, Long Beach, CA, USA, Jun. 2019
M.1. Woojun Kim, Myungsik Cho, and Youngchul Sung, “Message-dropout: An efficient training method for
multi-agent deep reinforcement learning,” AAAI 2019, Honolulu, Hawaii, Jan. 2019
(Samsung Humantech Paper Award in the CS Division)
International Journals (*Asterisks Denote Corresponding Authors.)
< Published or Accepted >
41. Song Noh, Jiho Song, and Youngchul Sung*, “Fast beam search and refinement for millimeter-wave
massive MIMO based on two-level phased arrays ,” accepted to IEEE Transactions on Wireless
Communications, Jun. 2020
40. Junyeong Seo, Youngchul Sung*, and Hamid Jafarkhani, “A high-diversity transceiver design for MISO
broadcast channels,” IEEE Transactions on Wireless Communications, vol. 18, no. 5, pp. 2591 – 2606,
May 2019
39. Junyeong Seo and Youngchul Sung*, “Beam design and user scheduling for non-orthogonal multiple access
with multiple antennas based on Pareto-optimality,” IEEE Transactions on Signal Processing,
vol. 66, no. 11, pp. 2876 – 2891, Jun. 2018
38. Gilwon Lee and Youngchul Sung*, “A new approach to user scheduling in massive multi-user MIMO
broadcast channels,” IEEE Transactions on Communications, vol. 66, no. 4, pp. 1481 – 1495, Apr. 2018
37. Seungyul Han, Youngchul Sung*, and Yong H. Lee, “Filter design for generalized frequency-division
multiplexing” IEEE Transactions on Signal Processing, vol. 65, no. 7, pp. 1644 – 1659, Apr. 2017
36. Jungho So and Youngchul Sung*, “Improving non-orthogonal multiple access by forming relaying
broadcast channels,” IEEE Communications Letters, vol. 20, no. 9, pp. 1816 – 1819, Sep. 2016
https://arxiv.org/abs/2006.02732https://arxiv.org/abs/2006.01494https://arxiv.org/pdf/2006.01419.pdf
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35. Gilwon Lee, Youngchul Sung*, and Marios Kountouris, “On the performance of random beamforming
in sparse millimeter wave channels,” IEEE Journal of Selected Topics in Signal Processing,
Special Issue on Millimeter Wave Wireless Communications, vol. 10, no. 3, pp. 560 – 575, Apr. 2016
34. Junyeong Seo, Youngchul Sung*, Gilwon Lee, and Donggun Kim, “Training beam sequence design for
millimeter-wave MIMO systems: A POMDP framework,” IEEE Transactions on Signal Processing,
vol. 64, no. 5, pp. 1228 – 1242, Mar. 2016 (Samsung Humantech Paper Award)
33. Gilwon Lee, Youngchul Sung*, and Junyeong Seo, “Randomly-directional beamforming in mm-wave
multi-user MISO downlink,” IEEE Transactions on Wireless Communications, vol. 15, no. 2,
pp. 1086 – 1100, Feb. 2016 (Samsung Humantech Paper Award)
32. Donggun Kim, Gilwon Lee, and Youngchul Sung*, “Two-stage beamformer design for massive MIMO
downlink by trace quotient formulation,” IEEE Transactions on Communications, vol. 63, no. 6,
pp. 2200 – 2211, Jun. 2015
31. Jungho So, Donggun Kim, Yuni Lee, and Youngchul Sung*, “Pilot signal design for massive MIMO
systems: A received signal-to-noise-ratio-based approach,” IEEE Signal Processing Letters, vol. 22,
no. 5, pp. 549 – 553, May 2015
30. Song Noh, Youngchul Sung*, and Michael Zoltowski, “A new precoder design for blind channel estimation
for MIMO-OFDM systems,” IEEE Transactions on Wireless Communications, vol. 13, no. 12,
pp. 7011–7024, Dec. 2014
29. Song Noh, Michael Zoltowski, Youngchul Sung*, and David Love, “Pilot beam pattern design for
channel estimation in massive MIMO systems,” IEEE Journal of Selected Topics in Signal Processing,
Special Issue on Signal Processing for Large-Scale MIMO, vol. 8, no. 5, pp. 787 – 801, Oct. 2014.
28. Donggun Kim, Youngchul Sung*, and Jihoon Chung, “Filter-and-forward relay design for MIMO-ODFM
systems,” IEEE Transactions on Communications, vol. 62, no. 7, pp. 2329 – 2339, Jul. 2014
27. Junse Lee, Heejung Yu and Youngchul Sung*, “Beam tracking for interference alignment in slowly-fading
MIMO interference channels: A conjugate gradient based approach,” IEEE Transactions on Vehicular
Technology, vol. 63, no. 2, pp. 958 – 964, Feb. 2014
26. Juho Park and Youngchul Sung*, “On the Pareto-optimal beam structure and design for multi-user
MIMO interference channels,” IEEE Transactions on Signal Processing, vol. 61, no.23,
pp. 5932 – 5946, Dec. 2013 (Samsung Humantech Paper Award, Silver)
25. Donggun Kim, Junyeong Seo and Youngchul Sung*, “Filter-and-forward transparent relay design for
OFDM systems,” IEEE Transactions on Vehicular Technology, vol. 62, no. 9, pp. 4392 – 4407,
Nov. 2013
24. Yingbo Hua*, Daniel W. Bliss, Saeed Gazor, Yue Rong, and Youngchul Sung, “Guest Editorial: Theories
and methods for advanced wireless relays – Issue II,” IEEE Journal on Selected Areas in
Communications, vol. 31, no. 8, pp. 1361 – 1367, Aug. 2013
23. Juho Park, Gilwon Lee, Youngchul Sung* and Masahiro Yukawa, “Coordinated beamforming with
relaxed zero forcing: The sequential orthogonal projection combining method and rate control,”
IEEE Transactions on Signal Processing, vol. 61, no. 12, pp. 3100-3112, Jun. 2013
22. Masahiro Yukawa, Yongchul Sung* and Gilwon Lee, “Dual-domain adaptive beamformer under
Linearly and quadratically constrained minimum variance,” IEEE Transactions on Signal Processing,
vol. 61, no. 11, pp. 2874 – 2886, Jun. 2013
21. Yuni Lee and Youngchul Sung*, “Generalized Chernoff information for mismatched Bayesian detection
and its application to energy detection,” IEEE Signal Processing Letters, vol. 19, no. 11,
pp. 753 – 756, Nov. 2012
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20. Juho Park, Youngchul Sung*, Donggun Kim and H. Vincent Poor, “Outage probability and outage-based
robust beamforming for MIMO interference channels with imperfect channel state information,”
IEEE Transactions on Wireless Communications, vol. 11, no. 10, pp. 3561 – 3573, Oct. 2012
19. Yingbo Hua*, Daniel W. Bliss, Saeed Gazor, Yue Rong, and Youngchul Sung, “Guest Editorial: Theories
and methods for advanced wireless relays – Issue I,” IEEE Journal on Selected Areas in
Communications, vol. 30, no. 8, pp. 1297 – 1303, Sep. 2012
18. Cheulsoon Kim, Youngchul Sung* and Yong H. Lee, “A joint time-invariant filtering approach to
the linear Gaussian relay problem,” IEEE Transactions on Signal Processing, vol. 60, no. 8,
pp. 4360 – 4375, Aug. 2012
17. Haksoo Kim, Heejung Yu, Youngchul Sung* and Yong H. Lee, “An efficient algorithm for zero-forcing
coordinated beamforming,” IEEE Communications Letters, vol. 16, no. 7, pp. 994 – 997, Jul. 2012
16. Youngseok Oh, Heejung Yu, Yong H. Lee and Youngchul Sung*, “A nonlinear transceiver architecture for
overloaded multiuser MIMO interference channels,” IEEE Transactions on Communications, vol. 60,
no. 4, pp. 946 – 951, Apr. 2012
15. Heejung Yu, Youngchul Sung*, Haksoo Kim and Yong H. Lee, “Beam tracking for interference alignment in
slowly-fading MIMO interference channels: A perturbations approach under a linear framework,”
IEEE Transactions on Signal Processing, vol. 60, no. 4, pp. 1910 – 1926, Apr. 2012
14. Heejung Yu and Youngchul Sung*, “Least squares approach to joint beam design for interference alignment
in multiuser multi-input multi-output interference channels,” IEEE Transactions on Signal Processing,
vol. 58, no. 9, pp. 4960 – 4966, Sep. 2010 (Samsung Humantech Paper Award)
13. Jo Woon Chong, Dan K. Sung* and Youngchul Sung, “Cross-layer performance analysis for
CSMA/CA Protocols: Impact of imperfect sensing,” IEEE Transactions on Vehicular Technology,
vol. 59, no. 3, pp. 1100 – 1108, Mar. 2010
12. Jo Woon Chong, Youngchul Sung* and Dan K. Sung, “RawPEACH: Multi-band CSMA/CA-based
cognitive radio networks,” Journal of Communications and Networks, vol. 11, no. 2,
pp. 174 – 185, Apr. 2009
Early Works: CDMA and Detection/Estimation
11. Yirang Lim, Juho Park and Youngchul Sung*, “Upper bound for the loss of energy detection of signals
in multipath fading channels,” IEEE Signal Processing Letters, vol. 16, no. 11, pp. 949 – 952,
Nov. 2009
10. Youngchul Sung*, H. Vincent Poor and Heejung Yu, “How much information can one get from a
wireless ad hoc sensor network over a correlated random field?” IEEE Transactions on Information
Theory, vol. 55, no. 6, pp. 2827 – 2847, Jun. 2009
9. Youngchul Sung*, Yirang Lim, Lang Tong and Alle-Jan van der Veen, “Signal processing advances for
3G CDMA: From rake receivers to blind techniques,” IEEE Communications Magazine, vol. 47, no. 1,
pp. 48 – 54, Jan. 2009
8. Youngchul Sung*, Xin Zhang, Lang Tong and H. Vincent Poor, “Sensor configuration and activation
for field detection in large sensor arrays,” IEEE Transactions on Signal Processing, vol. 56, no. 2,
pp. 447-463, Feb. 2008
7. Youngchul Sung*, Saswat Misra, Lang Tong and Anthony Ephremides, “Cooperative routing for
distributed detection in large sensor networks,” IEEE Journal on Selected Areas in Communications,
vol. 25, no. 2, pp. 471 – 483, Feb. 2007
6. Youngchul Sung, Saswat Misra, Lang Tong* and Anthony Ephremides, “Signal processing for application
specific ad hoc networks," IEEE Signal Processing Magazine, vol. 23, no. 5, pp. 74 – 83, Sep. 2006
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5. Youngchul Sung, Lang Tong* and H. Vincent Poor, “Neyman-Pearson detection of Gauss-Markov signals
in noise: Closed-form error exponent and properties,” IEEE Transactions on Information Theory,
vol. 52, no. 4, pp. 1354-1365, Apr. 2006
(This paper’s conference version won 2005 ICASSP Student Best Paper Award.)
4. Youngchul Sung, Lang Tong* and Ananthram Swami, “Asymptotic locally optimal detector for large-scale
sensor networks under the Poisson regime,” IEEE Transactions on Signal Processing, vol. 53,
no. 6, pp. 2005 – 2017, Jun. 2005
3. Youngchul Sung, Lang Tong* and Ananthram Swami, “Blind channel estimation for space-time coded
WCDMA,” EURASIP Journal on Wireless Communications and Networking, vol. 2004, no. 2,
pp. 322-334, Dec. 2004
2. Youngchul Sung and Lang Tong*, “Tracking of fast-fading channels in long code CDMA,” IEEE
Transactions on Signal Processing, vol. 52, no. 3, pp. 786-795, Mar. 2004
1. Lang Tong*, Alle-Jan van der Veen, Patrick Dewilde and Youngchul Sung, “Blind decorrelating rake
receiver for long code WCDMA,” IEEE Transactions on Signal Processing, vol. 51, no. 6,
pp. 1642-1655, Jun. 2003
Korean Articles
7. G. Park, S. Park, J. Seo, J. So, W. Wang, S. Yoo, S. Lim, J. Chung, M. Cho, D. Ha, J. Kang, H. Park,
and Y. Sung, “5G K-SimLink,” The Journal of Korean Institute of Communications and
Information Sciences, Vol. 44, no. 3, Mar. 2019
6. J. Chung, J. So, J. Seo, G. Par, and Y. Sung*, “Introduction to 5G mmWave Communication,”
Special Series on 5G, Technology Trends, pp. 1 – 14, National IT Industry Promotion Agency (NIPA),
Apr. 2018
(an invited article)
5. Youngchul Sung*, “An introduction to multiple access in wireless communications,” KICS Information and
Communication Magazine – Open Lecture Series, vol. 33, no. 6, pp. 10 – 17, Jun. 2016
(an invited article)
4. Jihoon Chung, Donggun Kim, and Youngchul Sung*, “Design of amplify-and-forward helper stations for
Cellular networks with device-to-device links,” The Journal of Korean Institute of Communications and
Information Sciences, vol. 41, no. 5, pp. 539 – 545, May 2016
3. Gilwon Lee, Youngchul Sung*, Jungho So, and Junyeong Seo, “Research trends for realization of 5G massive
MIMO,” IEEK Magazine, Oct. 2015
(an invited article)
2. Heejung Yu, Juho Park, Youngchul Sung*, and Yong H. Lee, “Research trends in interference alignment
for multi-user interference channels,” IEEK Magazine, pp. 204 – 216, Apr. 2013
(an invited article)
1. Youngchul Sung*, Juho Park, and Donggun Kim, “Trends and advances in multi-cell MISO/MIMO
technologies,” KICS Information and Communication Magazine, pp. 11 – 18, Aug. 2012
(an invited article)
BOOKS AND BOOK CHAPTERS
4. Gilwon Lee and Youngchul Sung, “MAC scheduler for mmWave massive MIMO,” in MmWave Massive
MIMO: A Paradigm for 5G, edited by Shahid Mumtaz, Jonathan Rodriquez and Linglong Dai,
Elsevier, ISBN 9780128044186, London, UK, 2016
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3. Changwon Sung, “不慍堂集 (BulOnDangJib),” a 17C Chosun anthology of 寒岡門人 BulOnDang (不慍堂) Changwon Sung (成昌遠), translated by Baekhyo Sung (成百曉) and edited by
Youngchul Sung (成靈哲), Changsin Press, ISBN 978-89-98009-04-5, Korea, 2015.
2. Youngchul Sung, “Interference Control Technologies,” in Next Generation Tactical Information and
Communication, edited by Jong Myung Lee et al., Hongreusng Science Publisher, Seoul, Korea,
ISBN 979-11-5600-011-2, Korea, 2014
1. Youngchul Sung, Tae-Eung Sung, Brian M. Sadler and Lang Tong, “Training/optimal training signal design for MIMO,” in Space-Time Wireless Systems: From Array Processing to MIMO communications, edited
by A.-J. van der Veen, H. Bolcskei, D. Gesbert and C. Papadias, Cambridge University Press,
ISBN 978-0521851053, 2006
CONFERENCE PAPERS
International Conferences
54. Whiyoung Jung, Giseung Park, and Youngchul Sung, “Population-guided parallel policy search
for reinforcement learning,” accepted to International Conference on Learning Representations
(ICLR) 2020 (Samsung Humantech Paper Award)
53. Seungyul Han and Youngchul Sung, “AMBER: Adaptive multi-batch experience replay for continuous
action control,” the 2nd Workshop on Scaling Up Reinforcement Learning (SURL), IJCAI 2019,
Macao, China, Aug. 2019
52. Seungyul Han and Youngchul Sung, “Dimension-wise importance sampling weight clipping for
sample-efficient reinforcement learning,” ICML 2019, Long Beach, CA, USA, Jun. 2019
51. Woojun Kim, Myungsik Cho, and Youngchul Sung, “Message-dropout: An efficient training method for
multi-agent deep reinforcement learning,” AAAI 2019, Honolulu, Hawaii, Jan. 2019
(Samsung Humantech Paper Award)
50. G. Park, S. Park, J. Seo, J. So, W. Wang, S. Yoo, S.-C. Lim, J. Chung, M.Cho, D. Ha, J. Kang, H. Park,
and Y. Sung, “5G K-simulator: Link level simulator for 5G,” IEEE DySPAN, Oct. 2018
49. Jungho So and Youngchul Sung, “Common pilot signal design for non-orthogonal multiple access in 5G,”
IEEE TENCON 2018, Oct. 2018
48. Whiyoung Jung and Youngchul Sung, “Facial expression classification with universum data,”
the 5th International Conference on Robot Intelligence Technology and Applications (RiTA),
Daejeon, South Korea, Dec. 2017
47. Yongjin Kwon, Jihoon Chung, and Youngchul Sung, “Hybrid beamformer design for mmWave wideband
multi-user MIMO-OFDM systems,” an invited paper to SPAWC 2017, Sapporo, Japan, Jul. 2017
46. Junyeong Seo and Youngchul Sung, “A new transceiver architecture for multi-user MIMO communication
based on mixture of linear and non-linear reception,” SPAWC 2017, Sapporo, Japan, Jul. 2017
45. Gilwon Lee, Jungho So, and Youngchul Sung, “Impact of training on mmWave multiuser MIMO
downlink,” GlobalSIP, Dec. 2016
44. Gilwon Lee and Youngchul Sung, “Random beamforming combined with receive beamforming in mmWave
multiuser MIMO downlink,” URSI Asia-Pacific Radio Science Conference, Aug. 2016
43. Gilwon Lee, Youngchul Sung, and Marios Kountouris, “How can one efficiently schedule users in mmWave
massive MIMO?” IEEE Communication Theory Workshop, Nafplio, Greece, May 2016
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42. Gilwon Lee, Youngchul Sung, and Junyeong Seo, “How many users are needed for non-trivial performance
of random beamforming in highly-directional mm-wave MIMO downlink”, IEEE Information Theory
Workshop, Jeju, Korea, Oct. 2015
41. Gilwon Lee, Youngchul Sung, and Marios Kountouris, “On the performance of randomly directional
beamforming between line-of-sight and rich scattering channels”, invited paper to Special Session on
Signal Processing for Millimeter Wave Communication Systems, SPAWC 2015, Jun. 2015
40. Junyeong Seo, Youngchul Sung, Gilwon Lee, and, Donggun Kim, “Pilot beam sequence design for channel
estimation in millimeter-wave MIMO systems: A POMDP framework”, SPAWC 2015, Jun. 2015
39. Sangwoon Kwak, Jungho So, and Youngchul Sung, “An extended least difference greedy clique-cover
algorithm for index coding,” ISIT 2014, Honolulu, HI, Jun. 2014
38. Jungho So, Sangwoon Kwak, and Youngchul Sung, “Some new results on index coding when the number of
data is less than the number of receivers,” ISIT 2014, Honolulu, HI, Jun. 2014
37. Gilwon Lee and Youngchul Sung, “Asymptotically optimal simple user scheduling for massive MIMO
Downlink with two-stage beamforming,” SPAWC 2014, Toronto, Canada, Jun. 2014
36. Song Noh, Michael Zoltowski, Youngchul Sung, and David Love, “Training signal design for
channel estimation in massive MIMO systems,” ICASSP 2014, Florence, Italy, May 2014
35. Song Noh, Michael Zoltowski, Youngchul Sung, and David Love, “Optimal pilot beam pattern design for
massive MIMO systems,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA,
Nov. 2013
34. Juho Park and Youngchul Sung, “An efficient parameterization for Pareto-optimal beamformers for K-user
MIMO interference channels,” in Proc.of ICASSP 2013, Vancouver, Canada, May 2013
33. Gilwon Lee, Juho Park, Youngchul Sung and Junyeong Seo, “A new approach to beamformer design for
massive MIMO systems based on k-regularity,” International Workshop on Emerging Technologies
for LTE-Advanced and Beyond 4G in conjunction with Globecom 2012, Anaheim, CA, Dec. 2012
32. Donggun Kim, Junyeong Seo and Youngchul Sung, “Filter-and-forward relay design for OFDM systems
with quality-of-service improvement” APSIPA Annual Summit and Conference 2012, Hollywood, CA,
Dec. 2012
31. Cheulsoon Kim, Eui-Rim Jeong, Youngchul Sung and Yong H. Lee, “Asymmetric complex signaling for
full-duplex decode-and-forward relay channels,” International Conference on ICT Convergence,
Jeju, Korea, Oct. 2012
30. Yuni Lee and Youngchul Sung, “The Bahadur efficiency of energy detection of stationary Gaussian
processes,” in Proc. of 2012 ICASSP, Kyoto, Japan, Mar. 2012.
29. Juho Park, Donggun Kim and Youngchul Sung, “Sum outage-rate maximization for MIMO
interference channels,” in Proc. of 2011 Globecom, Dec. 2011
28. Gilwon Lee, Juho Park, Youngchul Sung and Masahiro Yukawa, “Coordinated beamforming with relaxed
zero forcing,” 2011 IEEE International Conference on Wireless Communications and Signal Processing
(WCSP), Nov. 2011 (Invited Paper)
27. Masahiro Yukawa, Youngchul Sung and Gilwon Lee, “Adaptive interference suppression in MIMO multiple
access channels based on dual-domain approach,” in Proc. of the 26th International Technical
Conference on Circuits/Systems, Computers and Communications (ITC-CSCC), Gyeongju, Korea,
Jun. 2011
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26. Junse Lee, Heejung Yu, Youngchul Sung and Yong H. Lee, “Adaptive beam tracking for interference
alignment in time-varying MIMO interference channels: Conjugate gradient approach,’’ in Proc. of
ICASSP 2011, Prague, Czech Republic, May 2011
25. Song Noh and Youngchul Sung, “Precoder design for semi-blind channel estimation for OFDM systems,” in
Proc. of APSIPA 2010, Singapore, Dec. 2010
24. Heejung Yu and Youngchul Sung, “Iterative algorithm for interference alignment in multiuser MIMO
interference channels,” in Proc. of SPAWC 2010, Marrakech, Morocco, Jun. 2010
23. Heejung Yu, Youngchul Sung, Haksoo Kim and Yong H. Lee, “Adaptive beam tracking for interference
alignment for multiuser time-varying MIMO interference channels,” in Proc. of ICASSP 2010,
Dallas, TX, Mar. 2010
22. Heejung Yu, Juho Park, Youngchul Sung and Yong H. Lee, “A least squares approach to joint beam design
for interference alignment in multiuser interference channels,” in Proc. of SPAWC 2009,
Perugia, Italy, Jun. 2009
21. Jowoon Chong, Youngchul Sung and Dan K. Sung, “'Multi-band CSMA/CA-based cognitive radio
networks,” in Proc. of IWCMC 2009, Leipzig, Germany, Jun. 2009
20. Haksoo Kim, Sungho Choi, Youngchul Sung and Yong H. Lee, “Amplify-forward relays with superimposed
pilot signals for frequency-selective fading channels,” in Proc. of VTC 2009, Barcelona, Apr. 2009
19. Yirang Lim and Youngchul Sung, “Upper bound for the loss factor of energy detection of random signals in
multipath fading cognitive radio,” in Proc. of ICASSP 2009, Taipei, Taiwan, Apr. 2009
18. Jowoon Chong, Youngchul Sung and Dan K. Sung, "Analysis of CSMA/CA systems under carrier sensing
error: Throughput, delay and sensitivity," in Proc. of IEEE Globecom 2008, New Orleans, LA,
Nov. 2008
17. Heejung Yu, Youngchul Sung and Yong H. Lee, “Superposition data transmission for cognitive radios:
Performance and algorithms,” in Proc. of IEEE MILCOM 2008, San Diego, CA, Nov. 2008
16. Youngchul Sung, H. Vincent Poor and Heejung Yu, “Optimal node density for two-dimensional sensor
arrays,” in Proc. of IEEE Workshop of Sensor Array and Multi-Channel Signal Processing (SAM 2008),
Darmstadt, Germany, Jul. 2008
15. Youngchul Sung, H. Vincent Poor and Heejung Yu, “Information, energy and density for ad hoc sensor
networks over correlated random fields: Large deviations analysis,” in Proc. of ISIT 2008, Toronto,
Ontario, Canada, Jul. 2008
14. Jowoon Chong, Youngchul Sung and Dan K. Sung, "Cross-layer performance analysis for CSMA/CA
systems: Impact of imperfect sensing," in Proc. of the 9th IEEE Workshop on Signal Processing
Advances in Wireless Communications (SPAWC), Recife, Brazil, Jul. 2008
13. Youngchul Sung, H. Vincent Poor and Heejung Yu, “Large deviations analysis for the detection of 2D
hidden Gauss-Markov random fields using sensor networks,” in Proc. of ICASSP 2008,
Las Vegas, Nevada, Mar. 2008
12. Heejung Yu, Youngchul Sung and Yong H. Lee, “On optimal operating characteristics of sensing and
training for cognitive radios,” in Proc. of ICASSP 2008, Las Vegas, Nevada, Mar. 2008
11. Youngchul Sung, Lang Tong, and Anthony Ephremides, “A new metric for routing in multi-hop wireless
sensor networks for detection of correlated random fields,” in Proc. of MILCOM’05, Atlantic City,
New Jersey, Oct. 2005
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10. Youngchul Sung, Lang Tong, and H. Vincent Poor, “Neyman-Pearson detection of Gauss-Markov signals
in noise: Closed-form error exponent and properties,” in Proc. of 2005 IEEE International
Symposium on Information Theory, Adelaide, Australia, Sep. 2005
9. Youngchul Sung, Lang Tong, and H. Vincent Poor, “Optimal and suboptimal detection of Gaussian signals
in noise: Asymptotic relative efficiency,” in Proc. of the Conference on Advanced Signal Processing
Algorithms, Architectures, and Implementations XV, part of SPIE International Symposium, San Diego,
CA, Jul. 2005
8. Youngchul Sung, Lang Tong, and H. Vincent Poor, “A large deviations approach to sensor scheduling for
detection of correlated random fields,” in Proc. of ICASSP 2005, Philadelphia, PA, Mar. 2005
(Student Best Paper Award in ICASSP 2005)
7. Youngchul Sung, Lang Tong, and Anthony Ephremides, “Route selection for detection of correlated random
fields in large sensor networks,” in Proc. of CISS’05, Johns Hopkins University, Baltimore, MD,
Mar. 2005
6. Youngchul Sung, Lang Tong, and Ananthram Swami, “Asymptotic locally optimal detector for large-scale
sensor networks under the Poisson regime,” in Proc. of 2004 ICC, Paris, France, Jun. 2004
5. Youngchul Sung, Lang Tong, and Ananthram Swami, “Locally asymptotically optimal detector for large-
scale sensor networks,” in Proc. of 2004 ICASSP, Montreal, QC, Canada, May 2004
4. Youngchul Sung, Lang Tong, and Ananthram Swami, “Semi-blind channel estimation for space-time coded
WCDMA downlink,” in Proc. of 2003 ICC, Anchorage, AK, May 2003
3. Youngchul Sung and Lang Tong, “A new blind tracking for long code WCDMA with linear interpolation
model,” in Proc. of 2002 Asilomar Conference, Monteray, CA, Nov. 2002
2. Youngchul Sung and Lang Tong, “Channel tracking for long code WCDMA,” in Proc. of 2002 MILCOM,
Anaheim, CA, Oct. 2002
1. Youngchul Sung and Lang Tong, “A projection-based semi-blind channel estimation for long-code
WCDMA,” in Proc. of 2002 ICASSP, Orlando, FL, May 2002
Korean Conferences and Workshops
19. G. Park, S. Park, J. Seo, J. So, W. Wang, S. Yoo, S. Lim, J. Chung, M. Cho, D. Ha, J. Kang, H. Park,
and Y. Sung, “Link-level simulator for 5G NSA,” Joint Conference on Communications &
Information (JCCI), Yeosoo, May 2018
18. G. Park, S. Park, J. Seo, J. So, W. Wang, S. Yoo, S. Lim, J. Chung, M. Cho, D. Ha, J. Kang, H. Park,
and Y. Sung, “Design of modular link-level simulator for 5G,” Korean Institute of
Communications and Information Sciences (KICS) Winter Conference, Kwangwon, Jan. 2018
17. W. Kim, G, Park, S. Park, J. Seo, J. So, S. Yoo, S. Lim, J. Chung, D. Ha, J. Kang, H. Park, and Y. Sung,
“Development of open-source modular link-level simulator for pre-5G,” Korean Institute of
Communications and Information Sciences (KICS) Summer Conference, Jeju, Jun. 2017
16. Gilwon Lee, Jungho So, and Youngchul Sung, “A new hierarchical beam training method for millimeter-
wave communication,” Joint Conference on Communications & Information (JCCI), Apr. 2017
15. Seungyeol Han and Youngchul Sung, “Filter optimization for generalized frequency division multiplexing,”
Joint Conference on Communications & Information (JCCI), Apr. 2016
14. Gilwon Lee and Youngchul Sung, “Improved random beamforming in mmWave channels,”
Joint Conference on Communications & Information (JCCI), Apr. 2016
13. Gilwon Lee, Youngchul Sung, Junyeong Seo, “Random beamforming in mmWave channels,”
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Joint Conference on Communications & Information (JCCI), Apr. 2015
12. Jihoon Chung, Donggun Kim, and Youngchul Sung, “Optimal design of amplify-and-forward helper
Stations for cellular networks with device-to-device links,” Korean Institute of Communications and
Information Sciences (KICS), Fall Conference, Apr. 2014
11. Jihoon Chung, Junyeong Seo, Donggun Kim, Youngchul Sung, “Efficient direction-of-arrival estimation
based on mm wave channel modeling,” Joint Conference on Communications & Information (JCCI),
Apr. 2014
10. Song Noh and Youngchul Sung, “Linear precoder design for blind channel estimation for MIMO-OFDM
systems under a sparse structure,” IEEK 2011 Summer Conference, Jeju, Korea, Jun. 2011
9. Donggun Kim, Juho Park and Youngchul Sung, “Robust beam design in multi-input multi-output
interference channels based on mean square error,” Joint Conference on Communications & Information
(JCCI), May 2011
8. Cheulsoon Kim, Youngchul Sung and Yong H. Lee, “Interference-symbol-based user cooperation scheme,”
Joint Conference on Communications & Information (JCCI), May 2011
7. Juho Park and Youngchul Sung, “Interference alignment in asymmetric multi-input multi-output
interference channels,” Joint Conference on Communications & Information (JCCI),
Apr. 2010. (Best Paper Award in JCCI 2010)
6. Heejung Yu, Youngchul Sung and Yong H. Lee, “Joint optimization of transmit power and operating point
of channel sensingfor cognitive radio networks,” Joint Conference on Communications &
Information (JCCI), Apr. 2010
5. Haksoo Kim, Heejung Yu, Youngchul Sung and Yong H. Lee, “Bilinear programming approach to
interference alignment,” KICS Fall Workshop, Nov. 2009
4. Heejung Yu, Juho Park, Youngchul Sung and Yong H. Lee, “A non-iterative approach to beam design for
interference alignment for multiuser interference channels,” KICS CITS Workshop, Daejeon, Korea,
Feb. 2009
3. Haksoo Kim, Heejung Yu, Youngchul Sung and Yong H. Lee, “Analysis of point-to-point communication
coexisting with OFDM-based cellular systems,” the 12th Communication and Electronics Conference,
Seoul, Oct. 2008
2. Haksoo Kim, Sungho Choi, Youngchul Sung and Yong H. Lee, “AF relay system employing superimposed
pilot over frequency-selective channels, Joint Conference on Communications & Information (JCCI),
Jeju, Korea, Apr. 2008
1. Heejung Yu, Youngchul Sung and Yong H. Lee, “Superposition data transmission for secondary users in
cognitive radios,” Joint Conference on Communications & Information (JCCI), Jeju, Korea, Apr. 2008
INVITED TALKS AND LECTURES
Invited Talks, Presentations, and Lectures in Conferences, Workshops and Tutorials
7. Youngchul Sung, “High-diversity transceiver design for ultra-reliable low latency IoT communication,”
The 21st Northeast Asia Conference on IoT with Intelligence 2019, Beijing, China, Sep. 2019
6. Youngchul Sung, “User scheduling and beamformer design in massive MIMO and mmWave massive MIMO,”
a tutorial in 2017 Summer School of Information/Communication Theory and Technologies,
IEEE Communications Society, Taipei Chapter, Taiwan, Hsinchu, Taiwan, Aug. 2017
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5. Youngchul Sung et al., “Hybrid beamformer design for mmWave wideband multi-user MIMO-OFDM
systems,” invited to the Special Session on Millimeter Wave Communication Systems for 5G,
2017 IEEE SPAWC, Sapporo, Japan, Jun. 2017
4. Youngchul Sung et al., “On the performance of randomly directional beamforming between line-of-sight and
rich scattering channels,” invited to the Special Session on Signal Processing for Millimeter Wave
Communication Systems, 2015 IEEE SPAWC, Stockholm, Sweden, Jun. 2015
3. Youngchul Sung, “Coordinated beamforming with relaxed zero forcing,” invited to the Special Session on
Interference Management Techniques, 2011 IEEE WCSP, Nanjing, China, Nov. 2011
2. Youngchul Sung, “Korea’s roadmap for green information technology and smart grid,” at the first Korea-
China-Japan Young Researchers’ Workshop, held together with Korea-China-Japan Summit Meeting,
Jeju, May 2010
1. Youngchul Sung, “Visions for smart grid,” at the Korea-China-Japan Green Technology Forum, Mar. 2010
Invited Talks, Presentations, and Lectures at Universities
14. Youngchul Sung, “User scheduling in mmWave massive MIMO,” at Tsinghua University, Beijing, China
Oct. 2017 (Host: Prof. Feifei Gao)
13. Youngchul Sung, “User scheduling in mmWave massive MIMO,” at The Hong Kong University of Science
and Technology, Hong Kong, Aug. 2017 (Host: Prof. Vincent Lau)
12. Youngchul Sung, “User scheduling in mmWave massive MIMO,” at City University of Hong Kong,
Hong Kong, Aug. 2017 (Host: Prof. Ray Cheung)
11. Youngchul Sung, “User scheduling in mmWave massive MIMO,” at The Chinese University of Hong Kong,
Hong Kong, Aug. 2017. (Host: Prof. Jinanwei Huang/Yingjun Zhang)
10. Youngchul Sung, “User scheduling in mmWave massive MIMO,”at National Taiwan University, Taipei,
Taiwan, Aug. 2017 (Host: Prof. Hsuan-Jung Su/Borching Su)
9. Youngchul Sung, “A new paradigm for adaptive beamforming for large-scale antenna arrays,” at
Princeton University, Princeton, NJ, USA, Jul. 2013 (Host: Prof. H. Vincent Poor)
8. Youngchul Sung, “Pareto-optimal beam design for coordinated beamforming in next generation wireless
networks,” at University of Minnesota, Minneapolis, MN, May 2013 (Host: Prof. Georgios Giannakis)
7. Youngchul Sung, “Algorithmic aspect of interference alignment: Adpative approaches to real practice,”
at University of Florida, Gainesville, FL, Dec. 9, 2010 (Host: Prof. Jian Li)
6. Youngchul Sung, “Innovations, Ricatti and Kullback-Leibler divergence,” at Niigata University, Japan,
Oct. 22, 2010 (Host: Prof. Masahiro Yukawa)
5. Youngchul Sung, “Algorithmic aspect of interference alignment: From iterative to recursive approaches,”
at Texas A & M University, College Station, Texas, June 11, 2010 (Host: Prof. Shuguang Cui)
4. Youngchul Sung, “Managing interference in next generation wireless networks,” at Tokyo Institute of
Technology, October 8, 2009 (Host: Prof. Isao Yamada)
3. Youngchul Sung, “Asymptotic behavior of ad hoc sensor networks for statistical inference: Large deviations
analysis,” at Cornell University, Ithaca, NY 14853, July 2008 (Host: Prof. Lang Tong)
2. Youngchul Sung, “Asymptotic behavior of ad hoc sensor networks for statistical inference: Large deviations
analysis,” at University of Toronto, Toronto, Ontario, Canada, July 2008 (Host: Prof. Ben Liang)
1. Youngchul Sung, “Fundamental limits of ad hoc sensor networks for statistical inference,” at National
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Tsing Hua University, Hsinchu, Taiwan, March 2008 (Host: Prof. Peter Yao-Win Hong)
Invited Talks and Lectures in Korea
35. Youngchul Sung, “Communication, Internet-of-Things, Artificial Intelligence and Future,” at colloquium
of The School of Business and Technology Management, KAIST, May 2020
34. Youngchul Sung, “Past, Present and Future of Telecommunication,” Moon Soul Graduate School of Future
Strategy, KAIST, Apr. 2020
33. Youngchul Sung, “Telecommunication: History and Future,” Global Institute for Talented Education
(GIFTED), KAIST, Nov. 2019
32. Youngchul Sung, “Exponential family, divergence and related geometry,” Tutorial at the 2nd
AI Soccer Worldcup, Daejeon, Nov. 2019
31. Youngchul Sung, “MIMO communications,” in KICS CITS Information Theory Summer School,
Aug. 2016
30. Youngchul Sung, “Massive MIMO: Practical challenges and solutions,” in the 8th Future Communication
Technology Workshop, Apr. 2014
29. Youngchul Sung, “Introduction to analysis and measure theory,” in Lecture Series on Basic Math in
Communications and Networking, KICS, Feb. 2012
28. Youngchul Sung, “Space-time coding and MIMO systems,” in Error Control Coding Lecture Series,
CITS of KICS, Feb. 2012
27. Youngchul Sung, “The 5th generation mobile communication: New opportunity for beamforming,” in the 18th
Wireless Communications Workshop, KICS, Feb. 2012
26. Youngchul Sung, “Introduction to information theory,” in High Speed Digital Communications Lectures,
Telecommunications Society of IEEK, Jan. 2012
25. Youngchul Sung, “New opportunity for adaptive beamforming? Beamforming, projection and relaxed
zero-forcing receivers,” in the 2nd KAIST Institute International Workshop on Smart Media, Sep. 2011
24. Youngchul Sung, “Technologies for overcoming short distance wireless interference,” KICS- Korea Army
Signal School Joint Workshop, Apr. 2011
23. Youngchul Sung, “Cross-layer design concept and methodology,” in the 5th KICS Workshop on Cross-Layer
Design in Wireless Networks, Apr. 2011
22. Youngchul Sung, “On beamformer design for MIMO interference channels,” in the 17th Wireless
Communications Workshop, KICS, Feb. 2011
21. Youngchul Sung, “Introduction to information theory,” in High Speed Digital Communications Lectures,
Telecommunications Society of IEEK, Feb. 2011
20. Youngchul Sung, “Space-time coding and MIMO systems,” in Error Control Coding Lecture Series,
CITS of KICS, Jan. 2011
19. Youngchul Sung, “Information theory for MIMO wireless communications,” in Network Information Theory
Lecture Series, CITS of KICS, Jul. 2010
18. Youngchul Sung, “Interference in next generation wireless networks,” KRnet, Jun. 2010
17. Youngchul Sung, “Interference alignment for interference-limited wireless networks,” in 4th Wireless
Network Cross-Layer Design Workshop, Korea Information and Communications Society (KICS),
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Apr. 2010
16. Youngchul Sung, “Space-time coding and MIMO systems,” in Error Control Coding Lecture Series,
CITS of KICS, Feb. 2010
15. Youngchul Sung, “Introduction to information theory,” in High Speed Digital Communications Lectures,
Telecommunications Society of IEEK, Jan. 2010
14. Youngchul Sung, organizer of special session “Recent advances in interference channels and interference
alignment” in KICS Fall 2009 Conference, Nov. 2009
13. Youngchul Sung, “Large deviations analysis to asymptotic behavior of large ad hoc sensor networks,”
KAIST and Chinese University of Hong Kong Joint Workshop, Daejeon, Korea, Jul. 2009
12. Youngchul Sung, “Information theory for wireless communications: MIMO systems,” Korean Coding and
Information Theory Society, Jul. 2009
11. Youngchul Sung, “Vision for 5G mobile communication systems,” invited talk in KRnet, Jun. 2009
10. Youngchul Sung, “Co-channel interference management,” Korea Army Signal School, Apr. 2009
9. Youngchul Sung, “PHY-oriented cross-layer design: MIMO-OFDM based cross layer design,” 3rd
Wireless Network Cross-Layer Design Workshop, Korea Information and Communications
Society (KICS), Apr. 2009
8. Youngchul Sung, “Space-time codes and MIMO systems,” Lecture Series in Error Control Codes,
Korean Coding and Information Theory Society, Feb. 2009
7. Youngchul Sung, “Large deviations principle and its applications,” invited lecture, Korean Coding and
Information Theory Society Workshop, Nov. 2008
6. Youngchul Sung, “Trends in wireless communications and related research topics,” KT Infra Research
Center, Nov. 2008
5. Youngchul Sung, “Cross-layer approach to wireless ad hoc sensor network design: Inference optimal design,”
2nd Wireless Network Cross-Layer Design Workshop, Korea Information and Communications
Society (KICS), Apr. 2008
4. Youngchul Sung, “4G Standards: OFDM, WiMAX and LTE,” Korean Intellectual Property Office, Feb. 2008
3. Youngchul Sung, “Multiple access and wireless standards,” KAIST EMDEC, Jan. 2008
2. Youngchul Sung, “Principe of latest wireless communication systems,” KAIST IDEC, Nov. 2007
1. Youngchul Sung, “MIMO-OFDM systems,” ETRI Mobile Communications Division, Oct. 2007
FUNDED RESEARCH PROJECTS AND RECEIVED FUNDING
Current Projects
Research on Information Geometry-Based Performance Enhancement for Policy-Based Reinforcement
Learning with Large Action Spaces (한국연구재단 전략과제)
Funding Agent: National Research Foundation (NRF) of Korea
Role : Principal Investigator
Period : 2017.09 – 2021.08 (Total 4 years)
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Building a Simulation Environment for Machine Learning-Based Edge Computing Operation Optimization
Funding Agent: The Institute for Information & Communications Technology Promotion (IITP)
Role : Principal Investigator
Period : 2019.04 – 2021.12
Development of Disaster Response Algorithm through Internet Big Data Analysis Based on Artificial
Intelligence
Funding Agent: National Research Foundation (NRF) of Korea
Role : Co-Principal Investigator
Period : 2019.09 – 2022.08
Center for Applied Research in Artificial Intelligence
Funding Agent: Agency for Defense Development (ADD)
Role : Co-Principal Investigator
Period : 2019.12 – 2025.12
Research and Development of Adaptive Machine Learning Algorithms for Autonomous Digital Companion
Funding Agent: The Institute for Information & Communications Technology Promotion (IITP)
Role : Co-Principal Investigator
Period : 2016.12 – 2020.12
Past Projects
Pattern Analysis and Anomaly Detection of AMI Smart Meter Data
Funding Agent: KEPCO
Role : Principal Investigator (PI)
Period : 2016.05 – 2016.11
Research and Development of Open 5G Reference Model – Link-Level Simulator (LLS)
Funding Agent: The Institute for Information & Communications Technology Promotion (IITP)
Role : Physical-Layer Link-Level - Principal Investigator (PI)
Period : 2016.08 – 2019.02
Giga Korea Project: Development of Millimeter-Wave 5G Mobile Communication System
Funding Agent: ETRI
Role : Principal Investigator (PI)
Period : 2014.07 – 2018.04
Development of Fundamental Technologies for User-Centric 5G Mobile Personal Cells
Funding Agent: ETRI
Role : Co-Principal Investigator (Co-PI)
Period : 2013.04 – 2016.02 (Total 3 Years)
Can Modern Communication/Network Theories Inspire Brain Reverse Engineering and
Vice Versa?
Funding Agent: KAIST
Role : Co-Principal Investigator (Co-PI)
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Period : 2011.06 – 2012.12 (Total 1 Year and 7 Months)
Development of Adaptive Beam Multiple Access Technology without Interference Based on
Antenna Node Grouping
Funding Agent: Korea Communications Commission (KCC)
Role : Co-Principal Investigator (Co-PI)
Period : 2011.03 – 2016.02 (Total 5 Years)
Research on Interference Problem for Future Wireless Networks for Smartphone Era
Funding Agent: National Research Foundation of Korea (NRF)
Role : Principal Investigator (PI)
Phase I : 2010.09 - 2013.08 (3 Years) (우수성과 후속연구지원선정) Phase II : 2013.11 - 2016.10 (3 Years)
Distributed Inference in Wireless Sensor Networks: Scaling Behavior and Impact of Network Topology
Funding Agent: Korea Research Foundation (KRF)
Role : Principal Investigator (PI)
Period : 2009.01 – 2009.12 (Total 1 Year)
5G Mobile Communication Systems Based on Beam Division Multiple Access and Relays with
Group Cooperation
Funding Agent: Dept. of MKE and Korea Communications Commission (KCC)
Role : Co-Principal Investigator (Co-PI)
Period : 2008.03 – 2013.02 (Total 5 Years)
Next Generation Tactical Information and Communication Network High Mobility Technology
Development
Funding Agent: ETRI
Role : Co-Principal Investigator (Co-PI)
Period : 2008.03 – 2010.02 (Total 2 Years)
Cognitive Autonomous Communication Based KAIST b4G System Core Technologies and Simulator
Development
Funding Agent: Samsung Electronics
Role : Co-Principal Investigator (Co-PI)
Period : 2007.05 – 2011.07
Integrative Design Approach to Wireless and Sensor Networks
Funding Agent: KAIST
Role : Principal Investigator (PI)
Period : 2007.02 – 2009.12 (Total 3 Years)
GRADUATE STUDENT ADVISEES
CURRENT STUDENTS
PhD(8): Sohee Bae, Seungyul Han, Whiyoung Jung, Woojun Kim, Giseung Park, Myungsik Cho
Sungho Choi, Jongeui Park
MS (3): Jongseong Chae, Jeewon Jeon, Inuk Son
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FORMER STUDENTS
PhD Graduates (8)
Jowoon Chong* (PhD Aug. 2009) Assistant Professor at Texas Tech Univ. USA - co-advised student
Heejung Yu (PhD Feb. 2011) Associate Professor at Korea University - co-advised student Haksoo Kim (PhD Feb. 2013) National Security Research Institute - co-advised student
Cheulsoon Kim (PhD Feb. 2013) ETRI- co-advised student
Juho Park (PhD Aug. 2013) ETRI, Giga Korea Team
Donggun Kim (PhD Aug. 2015) Samsung Electronics, DMC Standardization Team
Gilwon Lee (PhD Aug. 2016) Samsung Research USA after Intel, San Jose & postdoc under Prof. Robert
Heath at Univ. Texas at Austin
Jungho So (PhD Aug. 2018) Samsung Electronics, System LSI Modem Team
Junyeong Seo (PhD Aug. 2018) Samsung Electronics, System LSI Modem Team
(* unofficial but actual co-advised student)
MS Graduates (20)
Song Noh (Feb. 2010) Assistant Professor, Incheon National University with PhD at Purdue Univ.
Yirang Lim (Feb. 2010) Strategic Planning Team, Hana Card
Junse Lee (Feb. 2011) Samsung Electronics with PhD at Univ. Texas, Austin, TX, USA
Bora Lim (Feb. 2011) Samsung Electronics
Yuni Lee (Aug. 2011) Personal Business
Gilwon Lee (Feb. 2012) Samsung Research USA with PhD, SISReL, KAIST
Jungho So (Feb. 2013) Samsung Electronics, 5G Modem Team with PhD, SISReL, KAIST
Junyeong Seo (Feb. 2013) Samsung Electronics, 5G Modem Team with PhD, SISReL, KAIST
Jihoon Chung (Feb. 2014) WorldQuant
Sanwoon Kwak (Feb. 2014) ETRI
Kwonhan Moon (Feb. 2015) ETRI
Yongjin Kwon (Feb. 2016) ADD
Seungyul Han (Feb. 2016) PhD Program at SISReL, KAIST
Whiyoung Jung (Feb. 2017) PhD Program at SISReL, KAIST
Hyungcheol Noh (Feb. 2018) TmaxSoft
Woojun Kim (Feb. 2018) PhD Program at SISReL, KAIST
Giseung Park (Aug. 2018) PhD Program at SISReL, KAIST
Myungsik Cho (Feb. 2019) PhD Program at SISReL, KAIST
Sungho Choi (Feb. 2020) PhD Program at SISReL, KAIST
Jongeui Park (Feb. 2020) PhD Program at SISReL, KAIST
TEACHING
Special Lecture on Information Geometry (EE 827), Fall 2019, Fall 2013 School of Electrical Engineering, KAIST
Real Analysis for Electrical Engineers (EE807), Spring 2015
Dept. of Mathematics/Dept. of Electrical Engineering, KAIST
Mobile Communication Engineering (EE 629), Fall 2015 Dept. of Electrical Engineering, KAIST
Information Theory (EE 623): Fall 2011, Fall 2010
Dept. of Electrical Engineering, KAIST
Detection and Estimation (EE 622), Fall 2017, Fall 2014 Dept. of Electrical Engineering, KAIST
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Advanced Communication Systems (EE 522): Fall 2009, Fall 2008, Fall 2007 Dept. of Electrical Engineering, KAIST
Communication Systems (EE 421): Spring 2016, Spring 2009, Spring 2008, Spring 2007
Dept. of Electrical Engineering, KAIST
Communication Engineering (EE 321), Spring 2020, Spring 2019, Spring 2015 Dept. of Electrical Engineering, KAIST
Introduction to Electronics Design Lab (EE305), Spring 2017, Fall 2016, Fall 2011, Fall 2010
Signals and Systems (EE 202): Spring 2014, Spring 2012, Spring 2011, Spring 2010 Dept. of Electrical Engineering, KAIST
Section Instructor, Digital Communications (ECE 567), Fall 2004
School of Electrical and Computer Engineering, Cornell University
Teaching Assistant, Detection and Estimation (ECE 564), Spring 2003
School of Electrical and Computer Engineering, Cornell University
PATENTS
International Patents
8. Y. Sung, G. Lee and J. Park, “Scheduling method and apparatus in mobile communication system,”
US Patent 10,178,685. Registered on 2019.01.08. Joint Application with ETRI
7. Y. Sung and G. Lee, “User scheduling and beamformer design method, apparatus, and storage medium
based on two-stage beamformer for massive MIMO downlink,”
US Patent 9,680,549. Registered on 2017.06.13.
3GPP Study Item: R1-160969 (3GPP TSG RAN WG1 Meeting #84)
6. Y. Sung, M. Yukawa, J. Park and G. Lee, “Cooperative multi-cell MIMO beamforming method based on
relaxed zero-forcing, relaxed zero forcing transmission beamforming,”
Patent file number: PCT/KR2012/001201, PCT file date: 2012.02.17.
5. Y. Lee, Y. Sung, H. Yu, H. Kim, Y. Hong, and T. Kwon, “Communication system of detecting
victim terminal and performing interference coordination in multi-cell environments,”
US Patent 8,737,921. Registered on 2014.05.27. JP Patent 5580424. Registered on 2014.07.28
4. W. Shin, C. Kim, C. Shin, W. Noh, H. Choi, Y. Sung and Y. Lee, “Method and apparatus of controlling
intercell interference based on cooperation of intracell terminals,”
US Patent 8,412,104. Registered on 2013.04.02.
3. C. Yoon, Y. Sung, D. Cho, and D. Jeon, “Polymer substrate for flexible display having enhanced flexibility,”
US Patent 8,167,628. Registered on 2012.5.1.
2. T. Kwon, H. Yu, K. Jang, Y. Sung, H. Hwang, Y. Lee, and Y. Oh, “Apparatus and method for radio
communication,”
US Patent 8,103,217. Registered on 2012.01.24.
1. T. Kwon, I. Lee, H. Hwang, Y. Kim, H. Choi, Y. Lee, Y. Sung, H. Yu, andY. Oh, “Pilot signal power control
apparatus and operation method of pilot signal power control apparatus,”
US Patent 8,099,051. Registered on 2012.01.17.
Korean Patents
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40. W. Kim, Y. Sung and M. Cho, “메시지 드룹아웃: 다중 에이전트 심층 강화학습 알고리즘을 위한
효율적 학습 방법,” Patent file date: 2019.01.16, Patent file number: 10-2019-0005576
38. Y. Sung and W. Jung, “베스트 에이전트의 정책으로 안내되는 다중 에이전트 PPO 알고리즘,” Patent file date: 2018.06.15, Patent file number: 10-2018-0068873
37. Y. Sung, G. Lee and J. Park, “Method and apparatus for scheduling in mobile communication system,”
Patent file date: 2015.12.18, Patent file number: 10-2015-0182245
36. Y. Sung, H. Kim, H. Yu, and Y. H. Lee, “Adaptive limited feedback method for multi-cell time-varying
MISO interference channels,” Patent file date: 2012.10.23. Patent file number: 10-2012-0118008
Registered
36. S. Han and Y. Sung, “연속 행동 공간 제어를 위한 적응형 다중-배치 경험 리플레이 기법,” Paten registration number: 10-2103644-0000. Registration date: 2020-04-16
35. Y. Sung and S. Han, “GFDM 시스템 기반의 필터 파형 설계 방법,” Patent registration number: 10-1837609. Registration date: 2018-03-06
34. Y. Sung and J. So, “협력 수준 증가를 통한 비직교 다중접속 기법의 확대 방법,” Patent registration number: 10-1688221. Registration date: 2016-12-14
33. Y. Lee, Y. Sung, H. Yu, H. Kim, Y. Hong and T. Kwon, “Communication system of detecting victim
terminal and performing interference coordination in multi-cell environments,”
Patent registration number: 10-1666009. Registration date: 2016-10-07
32. Y. Sung, J. So, D. Kim and Y. Lee, “Pilot signal design method for massive antenna systems,”
Patent registration number: 10-1606159-0000. Registration date: 2016-03-18
31. Y. Sung, J. Seo, J. Chung and G. Lee, “Reduced pilot sequence design method and device for spatially
correlated uplink systems,”
Patent registration number: 10-1598879-0000. Registration date: 2016-02-24
30. W. Shin, C. Kim, C. Shin, W. Noh, H. Choi, Y. Sung, and Y. Lee, “Method and apparatus of controlling
Intercell interference based on cooperation of intracell terminals,”
Patent registration number: 10-1588712-0000. Registration date: 2016-01-20
29. Y. Sung and G. Lee, “A user scheduling method, device and recording medium based on two-stage
Beamformer for massive MIMO broadcast channels,”
Patent registration number: 10-1562557-0000. Registration date: 2015-10-16
28. Y. Sung, J. So, J. Park, and D. Kim, “Beamforming device and method with channel distribution information
and interference temperature level control for MISO interference,”
Patent registration number: 10-1488771-0000. Registration date: 2015-01-27
27. Y. Sung and J. Seo, J. Park, G. Lee, “Zero-forcing Beamformer Design Device and Method in
MISO Broadcast Channel Based on k-regularity,”
Patent registration number: 10-1482925-0000. Registration date: 2015-01-07
26. Y. Sung, D. Kim and J. Seo, “Filter-and-forward transparent relay design method for relay power
minimization in OFDM systems,”
Patent registration number: 10-1434457-0000. Registration date: 2014-08-20
25. Y. Sung, D. Kim and J. Seo, “Filter-and-forward transparent relay design method
for QoS maximization in OFDM systems,”
Patent registration number: 10-1434456-0000. Registration date: 2014-08-20
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24. Y. Sung and Y. Lee, “Threshold setting method for energy detector,” Patent file date: 2012.4.12,
Patent registration number: 10-1356834. Registration date: 2014-01-22
23. Y. Sung, J. Park, G. Lee, and J. Seo, “Beamformer design method based on k-regularity for massive
MIMO systems,”
Patent registration number: 10-1356633. Registration date: 2014-01-22
22. Y. Sung, M. Yukawa, G. Lee and J. Park, “Cooperative multi-cell MIMO beamforming method based on
relaxed zero-forcing,
Patent registration number: 10-1308141. Registration date: 2013-09-06
21. Y. Sung, C. S. Kim and Y. H. Lee, “Relay system based on time-invariant filter and optimizing method of
said system,”
Patent registration number: 10-1288536. Registration date: 2013-07-16
20. Y. Sung, J. Park and D. Kim, “Outage-based robust beam design algorithm for MIMO interference channel
with channel uncertainty,”.
Patent registration number: 10-1284935, Registration date: 2013-07-04
19. Y. Hong, W. Shin, Y. Lee, Y. Sung, H. Yu, and H. Kim, “Transmission apparatus and method for
performing interference alignment thereof, and reception apparatus and method for operating thereof,”
Patent registration number: 10-1708297. Registration date: 2013-05-31
18. Y. Sung, J. Park and G. Lee, “Sequential orthogonal projection combining algorithm
for relaxed zero-forcing beamforming,” Patent file date: 2012.1.27, Patent file number: 10-2012-0008197.
Patent registration number: 10-1272319. Registration date: 2013-05-31
17. Y. Sung and N. Song, “The compatibility of linear precoder for blind channel estimation and capacity optimal
linear precoder based on MIMO-OFDM systems,”
Patent registration number: 10-1234245. Registration date: 2013-02-12
16. Y. Sung, D. Kim and J. Park, “Beam design algorithm in multi-input multi-output interference channels
based on mean square error and using method thereof,”
Patent registration number: 10-1205389. Registration date: 2012-11-21
15. Y. Sung, H. Kim, H. Yu and Y. H. Lee, “Adaptive beam tracking method and pilot duration or channel
feedback duration adaptation for coordinated beamforming system,”
Patent registration number: 10-1199439. Registration date: 2012-11-02
14. Y. Sung, J. Lee and D. Kim, “Efficient blind receiver architecture for interference alignment systems,”
Patent registration number: 10-1172718. Registration date: 2012-08-03
13. Y. Sung, H. Yu, H. Kim and Y. H. Lee, “Interference alignment and beam tracking for time-varying multiuser
MIMO interference channels transmitting multiple data streams,”
Patent registration number: 10-1172717. Registration date: 2012-08-03
12. Y. Sung, J. Park, H. Yu, H. Kim and Y. H. Lee, “A data transmitting/receiving method and device for
interference alignment in multi-user MIMO interference channels,”
Patent registration number: 10-1102955. Registration date: 2011.12.29
11. Y. Sung, H. Yu, H. Kim and Y. H. Lee, “Adaptive interference alignment for time-varying multiuser MIMO
interference channels,”
Patent registration number: 10-1094442. Registration date: 2011-12-08
10. Y. Sung, J. Lee, H. Yu and Y. H. Lee, “Adaptive beam tracking for interference alignment in time-varying
MIMO interference channels: Conjugate gradient approach,”
Patent registration number: 10-1206881. Registration date: 2011-11-26
9. Y. Sung, H. Yu, H. Kim, N. Song, Y. H. Lee and D. Kwon, “Method for power control and user allocation
in wireless mesh network,”
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Patent registration number: 10-1047039. Registration date: 2011-06-30
8. Y. Sung, D. K. Sung and J. W. Chong, “Wireless network systems with priority class based medium access
control,”
Patent registration number: 10- 1040290. Registration date: 2011.06.02
7. Y. Sung and J. W. Chong, “Wireless network system of multi-tier and communication method and apparatus
thereof,”
Patent registration number:10-0999039. Registration date: 2010.12.05
6. Y. Sung, H. Yu, H. Kim, Y. Oh and Y. H. Lee, “Method inserting secondary system for OFDM-based
primary system,”
Patent registration number: 10-0961559. Registration date: 2010.05.17
5. Y. Sung and others, “Differential encoding method for e-paper,”
Patent registration number: 10-927210. Registration date: 2009.11.10
4. D. Y. Jeon, C. S. Yoon, Y. Sung, S. Kim and H. Yoo, “Display apparatus based on fully flexible fabric
structure,
Patent registration number: 10-0912724. Registration date: 2009.08.11
3. C. S. Yoon, D. Y. Jeon, Y. Sung and D. H. Cho, “Polymer plate with enhanced flexibility for flexible
displays,” Patent registration number:10-0900458. Registration date: 2009.05.26
2. C. Lim, Y. Sung and others, “Virtual data input method and apparatus,”
Patent registration number: 10-0900978-0000. Registration date: 2009.05.28
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Patent registration number: 10-0867608-0000. Registration date: 2008.11.03