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Seongwon Kim

    Postdoctoral Researcher

    Multimedia and Wireless Networking Laboratory (MWNL)

    School of Electrical Engineering (SoEE) and 

    Institute of New Media and Communication (INMC)

    Seoul National University (SNU), Seoul, Korea


  • Office: Building 302 Room 510-1, Seoul National University, Kwanak-ro 1, Kwanak-gu, Seoul, 08826, KOREA
  • Tel.: +82-(0)2-880-1755
  • Fax: +82-(0)2-877-1744
  • Email:


Research Interests

  • IoT Connectivity: IEEE 802.11ax, mmWave communications, V2X communications, enterprise wireless networks, spatial reuse, multi-user transmission, radio resource management, MIMO systems 

  • Next-generation wireless networks: Full duplex radio, ultra-reliable low latency communication, ultra-dense networks, heterogeneous wireless networks, market pricing
  • Mobile deep learningMobile deep learning framework, mobile offloading, super resolution for mobile images

  • Acoustic communications: Chirp signal based communication, TV 2nd screen service


  1. Silver Prize (second prize in Communications & Network division) from Samsung HumanTech Paper Award, Feb. 2017.
  2. Excellent Graduate Student Prize from the Department of Electrical and Computer Engineering, Seoul National University, Jan. 2017.
  3. Gold Prize (first prize in Communications & Network division) from Samsung HumanTech Paper Award, Feb. 2016.
  4. Qualcomm Innovation Award, Jan. 2014.
  5. Bronze Medal from Korea Physics Olympiad, Dec. 2006.
  6. Presidential Prize (first prize in all parts) & first prize in Physics part from the National Science Contest, Sept. 2006. 


   International Journal Papers  (* indicates corresponding authors)
  1. Youngwook Son, Seongwon Kim*, Seongho Byeon, and Sunghyun Choi*,
    “Symbol Timing Synchronization for Uplink Multi-User Transmission in IEEE 802.11ax WLAN,”
    accepted to IEEE Access, Nov. 2018.

  2. Seongwon Kim, Minsoo Sim, Chan-Byoung Chae, and Sunghyun Choi*,
    “Asymmetric Simultaneous Transmit and Receive in WiFi Networks,”
    IEEE Access, vol. 5, pp. 14079-14094, July 2017. [PDF][Open Access]

  3. Seongwon Kim, Seungmin Yoo, Jaehong Yi, Youngwook Son, and Sunghyun Choi*,
    “FACT: Fine-Grained Adaptation of Carrier Sense Threshold in IEEE 802.11 WLANs,”
    IEEE Transactions on Vehicular Technology, vol. 66, no. 2, pp. 1886-1891, Feb. 2017. [PDF]

  4. Dongmyoung Kim, Taejun Park, Seongwon Kim, Hyoil Kim, and Sunghyun Choi*, 
    “Load Balancing in Two-Tier Cellular Networks with Open and Hybrid Access Femtocells,” 
    IEEE/ACM Transactions on Networking, vol. 24, no. 6, pp. 3397-3411, Dec. 2016. [PDF]

  5. Seungmin Yoo, Seongwon Kim, Jaehong Yi, Youngwook Son, and Sunghyun Choi*,
    “ProCCA: Protective Clear Channel Assessment in IEEE 802.11 WLANs,”
    IEEE Communications Letters, vol. 20, no. 5, pp. 958-961, May 2016. [PDF]

  6. Weiping Sun, Okhwan Lee, Yeonchul Shin, Seongwon Kim, Changmok Yang, Hyoil Kim, and Sunghyun Choi*, 
    “Wi-Fi Could Be Much More,” 
    IEEE Communications Magazine, Special Issue on The Future of Wi-Fi, vol. 52, no. 11, pp. 22-29, Nov. 2014. [PDF

   International Conference Papers
  1. Seongwon Kim, Jaehong Yi, Youngwook Son, Seungmin Yoo, and Sunghyun Choi,
    Quiet ACK: ACK Transmit Power Control in IEEE 802.11 WLANs,”
    accepted to IEEE INFOCOM 2017, Atlanta, GA, USA, May 1-4, 2017. (Acceptance ratio: 20.93% = 292/1395) [PDF][Slides]

  2. Seongwon Kim, Chan-Byoung Chae, and Sunghyun Choi,
    “MASTaR: MAC Protocol for Access Points in Simultaneous Transmit and Receive Mode,” 
    in Proc. IEEE GLOBECOM 2016 Workshop on Full Duplex Wireless Communications, Washington, D.C., Dec. 8, 2016. [PDF]

  3. Seungmin Yoo, Seongwon Kim, Jaehong Yi, Youngwook Son, and Sunghyun Choi,
    “Practical Antenna Selection for WLAN AP,”
    in Proc. IEEE INFOCOM 2016, San Francisco, CA, USA, Apr. 10-15, 2016. (Acceptance ratio: 18.25% = 300/1644) [PDF]
  4. Seongwon KimYeonchul Shin, Seungmin Yoo, and Sunghyun Choi, 
    “JACPoT: A Joint Algorithm for Channel and Power Assignment in Enterprise Wireless Networks,”
    Proc. IEEE GLOBECOM 2015San Diego, CA, USA, Dec. 6-10, 2015. [PDF]

  5. Seungmin Yoo, Yeonchul Shin, Seongwon Kim, and Sunghyun Choi, 
    “Toward Realistic WiFi Simulation with Smartphone “Physics”,” 
    in Proc. IEEE WoWMoM 2014, Sydney, Australia, June 16-19, 2014. (short paper) [PDF]

  6. Dongmyoung Kim, Seongwon Kim, Hyoil Kim, and Sunghyun Choi, 
    “Pricing Policies for Femtocell Service Adoption in Two-tier Cellular Networks,” 
    in Proc. IEEE ICC 2014, Sydney, Australia, June 10-14, 2014. [PDF]

  7. Seongwon Kim, Seungmin Yoo, Yeonchul Shin, and Sunghyun Choi, 
    “A Novel Metric for Dynamic Channel Assignment in Enterprise Wireless Networks,” 
    in Proc. 
    ICUFN 2013, Da Nang, Vietnam, July 2-5, 2013. [PDF] 
    (Invited paper)

  1. Seongwon Kim, Seungmin Yoo, Youngwook Son, Jaehong Yi, Sunghyun Choi, SangHyun Chang, Byounghoon Jung, Sooyoung Jang,
    Method and Apparatus for Determining Carrier Sense Threshold in Wireless Communication System," 
    U.S. Patent Application 20170055289A1, Feb. 23, 2017,
    E.P.O. Patent Application 3133891A1, Feb. 22, 2017,
    Korean Patent Application 20170022777A, Mar. 2, 2017.

  2. Youngwook Son, Seungmin Yoo, Seongwon Kim, Jaehong Yi, Sunghyun Choi, SangHyun Chang, Byounghoon Jung, Sooyoung Jang,
    Method and Apparatus for Transmitting and Receiving Buffer Status Information in Wireless Communication System," 
    U.S. Patent 10070341B2, Sep. 4, 2018,
    E.P.O. Patent Application 3171630A1, May 24, 2017,
    Korean Patent Application 20170022474A, Mar. 2, 2017.

  3. Seungmin Yoo, Seongwon Kim, Youngwook Son, Jaehong Yi, Sunghyun Choi, Youngjip Kim, Taejun Kim, Okhwan Lee, Woonkyun Lee, 
    "Technique and Apparatus for Selecting Multiple Antennas," 
    WO Patent Application 2017014437A1, Jan. 26, 2017,
    U.S. Patent Application 20180205433A1, July 19, 2018,
    Korean Patent Application 20170010673A, Feb. 1, 2017.

  4. Ji-Woo Jeong, Seongwon Kim, Yeonchul Shin, Seo-Min YANG, Jin-Woo Yang, Seungmin Yoo, Sunghyun Choi, and Chulhoon Hwang,
    "Method and Apparatus for Managing Radio Resource in Wireless Communication System," 
    U.S. Patent 9883466B2, Jan. 30, 2018,
    WO Patent Application 2015012585A1, Jan. 29, 2015,
    Korean Patent Application 20150012890A, Feb. 4, 2015.

   Domestic Publications
  1. 이지환, 곽철영, 김성원, 최성현,
    "정적인 실내 환경에서의 음파 통신 시뮬레이터를 위한 채널 프로파일링,"
    한국통신학회 2017년도 동계종합학술발표회, 강원 정선, 2017년 1월 19일.

  2. 곽철영, 이지환, 김성원, 최성현,
    "비가청 음파통신 시뮬레이터를 위한 동적 실내환경 채널 프로파일링,"
    한국통신학회 2017년도 동계종합학술발표회, 강원 정선, 2017년 1월 19일.

  3. 이재홍, 구종회, 김성원, 손영욱, 최성현,
    "테더링 동작을 하는 스마트폰의 전력 소모 분석 및 전력 소모 감소 기술에 대한 연구,"
    한국통신학회 2016년도 하계종합학술발표회, 제주, 2016년 6월 22-24일.

  4. 손영욱, 김성원, 유승민, 이재홍, 최성현, 
    "차세대 무선랜을 위한 OFDMA 기법 기반 다중유저 채널접근 프로토콜," 
    한국통신학회 2016년도 동계종합학술발표회, 강원 정선, 2016년 1월 21일.

  5. 손위평, 이옥환, 신연철, 김성원, 서지훈, 최성현, 
    "차세대 IEEE 802.11 무선 랜 기술 및 연구 동향," 
    SK Telecommunications Review, 2013년 8월. (초청 논문)

  6. 김성원, 이혜원, 박태준, 최성현, 
    "지터 측정을 통한 단방향 지연 시간 추정," 
    한국통신학회 2013년도 동계종합학술발표회, 강원 평창, 2013년 1월 31일.

Research Projects

  • Ministry of Science, ICT and Future Planing (MSIP), Next generation TV-mobile connected Ad platform via extremely low volume inaudible tone communications,” Jan. 2016 to Present.

  • Samsung Electronics, “IoT heterogeneous connectivity and operation system,” Sep. 2014 to Aug. 2015.

  • Samsung Electronics, “Multiple antenna selection in office environments,” Oct. 2013 to May 2014.

  • Samsung Electronics, “Radio resource management in enterprise wireless networks,” June 2012 to Mar. 2013.

  • Ministry of Knowledge Economy (MKE), “MU-MIMO based protocol design in multi-hop wireless mesh network," Mar. 2011 to Dec. 2011.

Research Experience

  • Visiting Scholar, Rice University (Advisor: Prof. Edward Knightly), USA, July 2017 to Oct. 2017.

Invited Talks and Tutorials 

  1. Tutorial on "Tracing System and Wired LAN in ns-3" at 2016 KICS ns-3 lecture, Feb. 17th, 2016.
  2. Tutorial on "Tracing System and Wired LAN in ns-3" at 2015 KICS ns-3 lecture, Feb. 24th, 2015.
  3. Invited Talk, "Pricing on Femtocell Adoption in Duopoly Cellular Service Market," at University of Southern Queensland, Australia, June 16th, 2014. (Hosted by Prof. Wei Xiang)
  4. Tutorial on "Tracing System and Wired LAN in ns-3" at 2014 KICS ns-3 lecture, Feb. 24th, 2014.

Professional Activities

    Professional Services 
  • Publication Chair, IEEE DySPAN 2018
  • TPC Member, IEEE ICC 2018 & 2019, IEEE WCNC 2019

  • International Journals: IEEE Trans. Netw., IEEE Trans. Commun., IEEE Trans. Wireless Commun., IEEE Wireless Commun. Lett.,
                                         J. Commun. Netw.
  • International Conferences: IEEE ICC, IEEE GLOBECOM

    Teaching Assistant
  • 430.463 Introduction to Data Communication Networks, Spring 2012.
  • 430.752B Wireless Networking, Spring 2013.

Software Skills

     Prototyping Tools
  • LabVIEW FPGA, LabVIEW Communications System Design Suite (CSDS)
  • Linux Wireless Device Driver (ath9k)

     Simulation Tools
  • Network Simulator 3 (ns-3) 
  • Simulink

    Test, Data acquisition, and Measurement Tools
  • Wireshark, Omnipeek, Chanalyzer
  • Iperf, IxChariot

  • C, C++, MATLAB, UNIX shell scripting, Windows batch scripting

    Desktop Editing and Productivity Software
  • Vim, TeX (LaTeX, BiBTeX), Git, Microsoft Office

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