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Youngwook Son

Ph.D., Postdoctoral Researcher

Affiliation

  • Ubiquitous Network Laboratory (NETLAB) and the Institute of New Media and Communications (INMC), Seoul National University (Addr. Gwanak-ro 1, Gwanak-gu, Seoul, South Korea (08826))
  • (currently on academic leave) Connectivity Development Team of System LSI Business, Samsung Electronics (Addr. Samsungjeonja-ro 1, Hwaseong, Gyeonggi-do, South Korea (18448))

Research Interests

  • Wireless Networks & Connectivity
  • Communication System Design
  • Integrated Sensing and Communication (ISAC)
  • Wireless Intelligence for Edge and Cloud Computing
  • Mobile AI-Based Applications

About

Youngwook Son is a postdoctoral researcher at Seoul National University, where he explores innovative approaches in wireless networking and communication technologies. With a Ph.D. in Electrical and Computer Engineering and experience as a system engineer at Samsung Electronics, he has built a solid foundation in developing, prototyping, and optimizing advanced mobile solutions. His work focuses on bridging theoretical insights with practical applications, particularly in network protocols, wireless design implementation, and emerging connectivity technologies. Dedicated to addressing real-world challenges, he aims to drive advancements that enable more efficient, reliable, and scalable wireless systems for the future.

Experiences

Postdoc

2024 - Present
Seoul National University, Seoul, South Korea

System Engineer

2020 - 2024
Samsung Electronics Co., Ltd., Gyeonggi-do, South Korea

(currently on academic leave) Connectivity Development Team of System LSI Business

  • Digital front-end & baseband modem design/verification for Wi-Fi SoC
  • IEEE 802.11 PHY/MAC standardization

Internship

2013
Soundlly, INC., Seoul, South Korea

Education

Combined M.S./Ph.D. in Electrical and Computer Engineering

2013 - 2020
Seoul National University
  • Thesis: PHY/MAC Layer Strategies for High-Efficiency Dense WLANs
  • Advisor: Prof. Saewoong Bahk and Sunghyun Choi (currently Corporate EVP and Head of Advanced R&D, Samsung Networks)

B.S. in Electrical and Computer Engineering, Minor in Economics

2009 - 2013
Seoul National University
  • Graduated cum laude with B.S. Major in Electrical and Computer Engineering

Publications

(* indicates corresponding authors)

  • Tackling the Coupled Frequency Offset Impairments for IEEE 802.11be Wideband WLANs
    • Youngwook Son*, Hyunbae Jeon, and Joonsuk Kim
    To appear in IEEE Transactions on Wireless Communications, 2025.
  • Bringing Spatial Reuse into Practice for Distributed Wi-Fi Networks: Preamble Detection and Anomalies
    • Youngwook Son and Saewoong Bahk*
    To appear in IEEE Journal on Selected Areas in Communications, 2025.
  • Enriching Multi-User OFDMA in Wi-Fi Networks with Frequency-Selective Channel Awareness
    • Kanghyun Lee, Youngwook Son*, Jongyeon Park, and Saewoong Bahk*
    Proceedings of IEEE INFOCOM 2025, London, United Kingdom, May 19-22, 2025. (Acceptance ratio: 18.7% = 272/1458)
  • Recovering CSI and Data in Dense Network Environments using IEEE 802.11ax Midamble
    • Kanghyun Lee, Juhun Shin, Jongyeon Park, Youngwook Son*, and Saewoong Bahk*
    IEEE Access, vol. 11, pp. 65858-65871, June 2023.
  • Revisiting Wi-Fi Performance under the Impact of Corrupted Channel State Information
    • Youngwook Son and Saewoong Bahk*
    Proceedings of ACM MSWiM 2020, Online (due to COVID-19 pandemic), Nov. 16-20, 2020. (Acceptance ratio: 25% = 24/96, Best paper runner-up)
  • REFRAIN: Promoting Valid Transmissions in High-Density Modern Wi-Fi Networks
    • Youngwook Son, Kanghyun Lee, Seongwon Kim, Jinmyeong Lee, Sunghyun Choi, and Saewoong Bahk*
    Proceedings of ACM MobiHoc 2020, Online (due to COVID-19 pandemic), Oct. 11-13, 2020. (Acceptance ratio: 15.3% = 30/196)
  • AWARE: Adaptive Wi-Fi Power Save Operation Coexisting with LTE-U
    • Hwijae Kwon, Seongwon Kim, Youngwook Son, Changmok Yang, Seongho Byeon, and Sunghyun Choi
    Proceedings of IEEE MASS 2019, Monterey, CA, USA, Nov. 4-7, 2019.
  • Quiet CTS: CTS Power Control for Better Spatial Reuse in Wi-Fi
    • Seongwon Kim, Youngwook Son, Kanghyun Lee, Jaehong Yi, and Sunghyun Choi
    Proceedings of ACM MobiHoc 2019, Catania, Italy, July 2-5, 2019. (Acceptance ratio: 23.7% = 37/156)
  • Symbol Timing Synchronization for Uplink Multi-User Transmission in IEEE 802.11ax WLAN
    • Youngwook Son, Seongwon Kim*, Seongho Byeon, and Sunghyun Choi*
    IEEE Access, vol. 6, pp. 72962-72977, Nov. 2018.
  • RECONN: Receiver-Driven Operating Channel Width Adaptation in IEEE 802.11ac WLANs
    • Seongho Byeon, Hwijae Kwon, Youngwook Son, Changmok Yang, and Sunghyun Choi
    Proceedings of IEEE INFOCOM 2018, Honolulu, Hawaii, USA, Apr. 15-19, 2018. (Acceptance Ratio: 19.2% = 309/1606)
  • Quiet ACK: ACK Transmit Power Control in IEEE 802.11 WLANs
    • Seongwon Kim, Jaehong Yi, Youngwook Son, Seungmin Yoo, and Sunghyun Choi
    Proceedings of IEEE INFOCOM 2017, Atlanta, GA, USA, May 1-4, 2017. (Acceptance ratio: 20.9% = 292/1395)
  • FACT: Fine-Grained Adaptation of Carrier Sense Threshold in IEEE 802.11 WLANs
    • Seongwon Kim, Seungmin Yoo, Jaehong Yi, Youngwook Son, and Sunghyun Choi*
    IEEE Transactions on Vehicular Technology, vol. 66, no. 2, pp. 1886-1891, Feb. 2017.
  • ProCCA: Protective Clear Channel Assessment in IEEE 802.11 WLANs
    • Seungmin Yoo, Seongwon Kim, Jaehong Yi, Youngwook Son, and Sunghyun Choi*
    IEEE Communications Letters, vol. 20, no. 5, pp. 958-961, May 2016.
  • Practical Antenna Selection for WLAN AP
    • Seungmin Yoo, Seongwon Kim, Youngwook Son, Jaehong Yi, and Sunghyun Choi
    Proceedings of IEEE INFOCOM 2016, San Francisco, CA, USA, Apr. 10-15, 2016. (Acceptance ratio: 18.2% = 300/1644)

    Patents

  • Wireless communication devices for transmitting data using spatial reuse and data communication methods using the same
    • Youngwook Son, Seongwon Kim, Kanghyun Lee, Jonghoon Han, and Sunghyun Choi
    U.S. Patent 11381366B2, July. 5, 2022.
  • Method and apparatus for determining carrier sense threshold in wireless communication system
    • Seongwon Kim, Seungmin Yoo, Youngwook Son, Jaehong Yi, Sunghyun Choi, SangHyun Chang, Byounghoon Jung, and Sooyoung Jang
    U.S. Patent 10602544B2, Mar. 24, 2020.
  • Technique and apparatus for selecting multiple antennas
    • Seungmin Yoo, Seongwon Kim, Youngwook Son, Jaehong Yi, Sunghyun Choi, Youngjip Kim, Taejun Kim, Okhwan Lee, and Woonkyun Lee
    U.S. Patent 10348377B2, July 9, 2019.
  • Method and apparatus for transmitting and receiving buffer status information in wireless communication system
    • Youngwook Son, Seungmin Yoo, Seongwon Kim, Jaehong Yi, Sunghyun Choi, SangHyun Chang, Byounghoon Jung, and Sooyoung Jang
    U.S. Patent 10070341B2, Sep. 4, 2018.

    Research Projects

    "Development of wireless LAN platform with smart cloud based multi radio structure," July 2018 to Aug. 2020.

    Institute for Information and Communications Technology Promotion (IITP)

    "Extensions of optimal spatial reuse algorithm based on next-generation IEEE 802.11ax standard considering practical use environments," July 2018 to June 2019.

    Samsung Electronics

    "Implementation of optimal spatial reuse algorithm based on next-generation IEEE 802.11ax standard," July 2017 to June 2018.

    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

    Professional Activities

    Paper Reviewer: ACM MobiCom, IEEE INFOCOM, IEEE WoWMoM, IEEE SECON, IEEE GLOBECOM, IEEE WCNC, IEEE J. Select. Areas Commun., IEEE Trans. Wireless Commun., IEEE Trans. Mobile Comput.
    Invited Talks and Tutorials: KICS Lectures on ns-3 (Feb. 2015, Feb. 2016, Aug. 2016, Feb. 2017, and Feb. 2018).

    Awards & Scholarship

    Paper Excellence Award from SNU-Samsung DS SSSP Scholarship, Aug. 2020.
    Gold Prize (1st prize in Communications & Network division) from Samsung HumanTech Paper Awards, Feb. 2016.
    Industrial Scholarship from Samsung Electronics, Mar. 2017 to Aug. 2020.
    Graduate Student Scholarship from Korea Education For Advanced Studies (KFAS), Mar. 2014 to Feb. 2019.
    National Science and Technology Scholarship from Korea Student Aid Foundation (KOSAF), Mar. 2009 to Feb. 2013.

    Skills & Expertise

    Programming Languages and Frameworks: C/C++, Python, Java, MATLAB, UNIX shell scripting, Windows batch scripting, Visual Studio, and Git.
    Prototyping Tools: NI LabVIEW with Communications System Design Suite (CSDS), Linux wireless drivers, and Atheros device drivers/firmwares.
    Simulation Tools: Network simulator 3 (ns-3), 802.11a/ac/ax/p PHY link-level simulator with IT++ library, and MATLAB Communications/DSP/WLAN Toolboxes.
    Test, Data Acquisition, and Measurement Tools: Wireshark, AirPcap, Channelyzer, Iperf, tcpdump, Hostapd, IxChariot, and PicoScenes.
    Desktop Editing and Productivity: Vim, TeX (Overleaf, LaTeX, BibTeX), and Microsoft Office.
    Languages: Korean and English.