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Youngwook Son

Ph.D., Postdoctoral Researcher

Affiliation

  • Internet Systems Lab. (ISL), University of Colorado Boulder (Addr. 1045 Regent Drive, Boulder CO 80309, United States)
  • Ubiquitous Network Laboratory (NETLAB) and the Institute of New Media and Communications (INMC), Seoul National University (Addr. Gwanak-ro 1, Gwanak-gu, Seoul 08826, South Korea)

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 and the University of Colorado Boulder, where he explores innovative approaches in networked systems and wireless 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 designing, implementing, and optimizing advanced mobile solutions. His work focuses on bridging theoretical insights with practical applications, particularly in network protocols, wireless connectivity, and emerging intelligent system architectures. Dedicated to addressing real-world challenges, he aims to drive advancements that enable more efficient, reliable, and scalable systems for the future.

Experiences

Postdoc

2026 -
CS, University of Colorado Boulder, CO, United States

Internet Systems Lab. (Prof. Sangtae Ha)

Postdoc

2024 -
ECE, Seoul National University, South Korea

Ubiquitous Network Lab. (Prof. Saewoong Bahk)
Institute of New Media and Communications (INMC)

System Engineer

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

Connectivity Development Team of System LSI Business

Internship

2013
Soundlly, INC., 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

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

2009 - 2013
Seoul National University
  • Graduated cum laude with B.S. Major in ECE

Publications

(* indicates corresponding authors)

  • TouchAI: Towards Waterproof Mobile Touchscreen Interface via Acoustic-Inertial Sensing Modalities
    • Jihwan Lee, Youngwook Son*, Tiago Koketsu Rodrigues, Yishi Zhu, Chulyoung Kwak, and Saewoong Bahk
    To appear in IEEE Internet of Things Journal, 2025.
  • HActiFi: Towards Practical ISAC for Human Activity Recognition via Smart TV Infrastructure
    • Youngmin Kim, Kanghyun Lee, Youngwook Son, and Saewoong Bahk
    IEEE VTC 2025-Fall, Chengdu, China, Oct. 19-22, 2025.
  • Bringing Spatial Reuse into Practice for Distributed Wi-Fi Networks: Preamble Detection and Anomalies
    • Youngwook Son and Saewoong Bahk*
    IEEE Journal on Selected Areas in Communications, vol. 43, no. 11, pp. 3616-3632, Nov. 2025.
  • Tackling the Coupled Frequency Offset Impairments for IEEE 802.11be Wideband WLANs
    • Youngwook Son*, Hyunbae Jeon, and Joonsuk Kim
    IEEE Transactions on Wireless Communications, vol. 25, pp. 865-882, July 2025.
  • Enriching Multi-User OFDMA in Wi-Fi Networks with Frequency-Selective Channel Awareness
    • Kanghyun Lee, Youngwook Son*, Jongyeon Park, and Saewoong Bahk*
    IEEE INFOCOM 2025, London, United Kingdom, May 19-22, 2025.
    (Acceptance rate: 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*
    ACM MSWiM 2020, Online (due to COVID-19 pandemic), Nov. 16-20, 2020.
    (Acceptance rate: 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*
    ACM MobiHoc 2020, Online (due to COVID-19 pandemic), Oct. 11-13, 2020.
    (Acceptance rate: 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
    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
    ACM MobiHoc 2019, Catania, Italy, July 2-5, 2019.
    (Acceptance rate: 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
    IEEE INFOCOM 2018, Honolulu, Hawaii, USA, Apr. 15-19, 2018.
    (Acceptance rate: 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
    IEEE INFOCOM 2017, Atlanta, GA, USA, May 1-4, 2017.
    (Acceptance rate: 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
    IEEE INFOCOM 2016, San Francisco, CA, USA, Apr. 10-15, 2016.
    (Acceptance rate: 18.2% = 300/1644)

    Patents

    (Granted U.S. patents only)

  • 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

    "Implementation Framework for Seamless Integrated Sensing and Communication (ISAC) over Practical Wi-Fi Networks," Sep. 2025 to Aug. 2028.

    National Research Foundation of Korea (NRF)

    "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., IEEE Wirel. Commun. Lett.
    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.