Recent News

  • [Apr. 2024] I was awarded a research grant by Amano Institute of Technology.

  • [Mar. 2024] I was awarded a research grant (KAKENHI) by the Japan Society for the Promotion of Science (JSPS).

  • [Mar. 2024] I was awarded a research grant by The Telecommunications Advancement Foundation.

  • [Feb. 2024] TONARI got accepted in ACM Transactions on Internet of Things.

  • [Jan. 2024] Our tutorial paper regarding CSMA-based LoRaWAN got published in IEEE Internet of Things Magazine.

  • [Jan. 2024] I was selected for an overseas research program by Kyushu Institute of Technology.

  • [July 2023] I was awarded a research grant by Kyushu Institute of Technology.

  • [May 2023] VirCh got accepted in CCIOT'23.

  • [Apr. 2023] I joined Kyushu Institute of Technology as an Assistant Professor.

  • [Mar. 2023] I was awarded a research grant by The Telecommunications Advancement Foundation.

  • [Nov. 2022] LoHEC won the Best Paper Award at CANDAR'22.

  • [June 2022] Our tutorial paper regarding LoRaWAN MAC got accepted in IEEE Consumer Electronics Magazine.

  • [May 2022] LiCo got accepted in IEEE Communications Letters.

  • [Dec. 2021] Our tutorial paper regarding LoRaWAN signal collisions got accepted in IEEE Internet of Things Magazine.

  • [Oct. 2021] I was selected as a JSPS Excellent Young Researcher candidate.

  • [Mar. 2021] I joined Kyushu University as a JSPS International Research Fellow.

  • [Mar. 2021] TONARI got accepted in IEEE ICC'21 Workshop – Internet of Mobile Things.

  • [Mar. 2021] BuSAR got published in IEEE Transactions on Mobile Computing.

  • [Dec. 2020] I was awarded a fellowship under the "FY2021 JSPS Postdoctoral Fellowship for Research in Japan (Standard)" program.

Publications

, "TONARI: Reactive Detection of Close Physical Contact using Unlicensed LPWAN Signals," ACM Transactions on Internet of Things (TIOT), to be published.
, "Multiple Access in Large-Scale LoRaWAN: Challenges, Solutions, and Future Perspectives," IEEE Consumer Electronics Magazine (CEM), to be published.
, "Packet Continuity DDoS Attack Detection for Open Fronthaul in ORAN System," in Proceedings of IEEE/IFIP Network Operations and Management Symposium (NOMS) Workshop – Analytics for Network and Service Management (AnNet), May 2024.
, "When LoRaWAN Meets CSMA: Trends, Challenges, and Opportunities," IEEE Internet of Things Magazine (IoTM), Vol. 7, No. 1, pp. 90-96, January 2024.
, "Quantum Mechanics Denoising Based Channel Estimation Algorithm for mmWave Massive MIMO Systems," Journal of the Franklin Institute, January 2024.
, "Virtual Mobile Charger-based Wireless Power Transfer for Large-Scale Sensor Network," in Proceedings of International Conference on Cloud Computing and Internet of Things (CCIOT), September 2023.
, "Heterogeneous Carrier-Sense Multiple Access for Improved Energy Fairness in LoRaWAN," in Proceedings of International Symposium on Computing and Networking (CANDAR), November 2022. (Best Paper Award)
, "LiCo: Toward Lightweight Resolution of Signal Collisions in LoRaWAN," IEEE Communications Letters (CL), Vol. 26, No. 8, pp. 1957-1961, August 2022.
, "Toward Lightweight Resolution of Signal Collisions in Chirp Spread Spectrum Systems," in Proceedings of IEICE General Conference, March 2022.
, "Toward Ubiquitous Connectivity via LoRaWAN: An Overview of Signal Collision Resolving Solutions," IEEE Internet of Things Magazine (IoTM), Vol. 4, No. 4, pp. 114-119, December 2021.
, "VirCh: Virtual Mobile Charger-based Wireless Power Transfer for Large-Scale Internet-of-Things Systems," in Proceedings of International Conference on Emerging Technologies for Communications (ICETC) – Poster Session, December 2021.
, "Dude, Are You Approaching Me? Detecting Close Physical Contact via Unlicensed LPWAN Signals," in Proceedings of IEEE International Conference on Communications (ICC) Workshop – Internet of Mobile Things, June 2021.
, "BuSAR: Bluetooth Slot Availability Randomization for Better Coexistence with Dense Wi-Fi Networks," IEEE Transactions on Mobile Computing (TMC), Vol. 20, No. 3, pp. 846-860, March 2021. (Samsung Humantech Paper Award)
, "Zero-Effort Proximity Detection with ZigBee," IEEE Communications Letters (CL), Vol. 24, No. 9, pp. 2047-2050, September 2020.
, "PolarScout: Wi-Fi Interference-Resilient ZigBee Communication via Shell-Shaping," IEEE/ACM Transactions on Networking (TON), Vol. 28, No. 4, pp. 1587-1600, August 2020.
, "Phantom Eavesdropping with Whitened RF Leakage," IEEE Wireless Communications Letters (WCL), Vol. 9, No. 2, pp. 232-235, February 2020.
, "DeWOZ: Rethinking the Schmidl-Cox Algorithm for Detecting Wi-Fi Out of ZigBee Interference," IEEE Wireless Communications Letters (WCL), Vol. 8, No. 1, pp. 289-292, February 2019.
, "DOTA: Physical-Layer Decomposing and Threading for ZigBee/Wi-Fi Co-Transmission," IEEE Wireless Communications Letters (WCL), Vol. 8, No. 1, pp. 133-136, February 2019.
, "Next-Generation RF-Powered Networks for Internet of Things: Architecture and Research Perspectives," Journal of Network and Computer Applications (JNCA), Vol. 123, pp. 22-31, December 2018.
, "Multisource Wireless Energy Harvesting-based Medium Access Control for Rechargeable Sensors," IEEE Transactions on Consumer Electronics (TCE), Vol. 62, No. 1, pp. 119-127, May 2016. (The 1st Place Transactions Award)
, "ProTaR: Probabilistic Tag Retardation for Missing Tag Identification in Large-Scale RFID Systems," IEEE Transactions on Industrial Informatics (TII), Vol. 11, No. 2, pp. 513-522, April 2015.
, "Promptly Pinpointing Mobile RFID Tags for Large-Scale Internet-of-Things," in Proceedings of International Conference on Big Data and Smart Computing (BigComp), February 2015. (Best Runner-up Paper Award)
, "Time Efficiency-Oriented Missing Tag Identification for Large-Scale RFID Systems," IEEE Antennas and Wireless Propagation Letters (AWPL), Vol. 13, pp. 1697-1700, 2014.
, "Aspiration Level-Based Strategy Dynamics on the Coexistence of Spectrum Cooperation and Leasing," IEEE Communications Letters (CL), Vol. 18, No. 1, pp. 70-73, January 2014.
, "Price Discrimination for Augmented Paths in Data Center Networks," in Proceedings of KIISE Fall Conference, November 2013.
, "Secondary User Games with Spectrum Leasing Market in Cooperative Cognitive Radio Networks," in Proceedings of IEEE Conference on Computer Communications (INFOCOM) – Poster Session, April 2013.
, "Utility Maximization in Mobile Tethering-based Cooperative Heterogeneous Networks," Journal of KIISE: Computing Practices and Letters, Vol. 19, No. 4, pp. 209-213, April 2013.
, "Price-based Tethering for Cooperative Networking," in Proceedings of International Conference on Information Networking (ICOIN), January 2013.
, "Feasibility Analysis of Mobile Tethering-based Cooperative Networks," in Proceedings of KIISE Fall Conference, November 2012.

Selected Awards

  • CANDAR'22 Best Paper Award, 2022.

  • Korea University Graduate Student Achievement Award, 2019.

  • The 25th Samsung Humantech Paper Award – Bronze Prize, 2019.

  • IEEE Wireless Communications Letters (WCL) Exemplary Reviewer, 2019.

  • The 1st Place Transactions Award of 2018 Annual IEEE Consumer Electronics Society Chester W. Sall Memorial Awards, 2018.

  • BigComp'15 Best Runner-up Paper Award, 2015.

Professional Activities

TPC Member
  • International Symposium on Computing and Networking (CANDAR), 2024.
  • IEEE Vehicular Technology Conference (VTC-Fall), 2024.
  • International Conference on Sustainable Information Engineering and Technology (SIET), 2024.
  • IEEE Vehicular Technology Conference (VTC-Spring), 2024.
  • International Conference on Computer Communications and Networks (ICCCN), 2024.
  • International Conference on Emerging Networks Technologies (ICENT), 2024.
  • International Japan – Africa Conference on Electronics, Communications & Computations (JAC-ECC), 2023.
  • IEEE Vehicular Technology Conference (VTC-Fall), 2023.
  • International Conference on Image Enhancement and Computer Vision (ICIECV), 2023.
  • IEEE Vehicular Technology Conference (VTC-Spring) Workshop – Security and Privacy for Internet of Things and Cyber-Physical Systems, 2022.
  • IEEE Wireless Communications and Networking Conference (WCNC) Workshop – 5G and Beyond Technology-enabled Remote Health Systems, 2020.

Reviewer (Selected)
  • IEEE Wireless Communications Letters (WCL), 2018, 2020, 2024.
  • IEEE International Conference on Communications (ICC), 2023, 2024.
  • IEEE International Conference on Computer Communications (INFOCOM), 2016-2020, 2022-2024.
  • IEEE/ACM Transactions on Networking (TON), 2016, 2019, 2020, 2023.
  • IEEE Transactions on Mobile Computing (TMC), 2015, 2019, 2023.
  • IEEE Global Communications Conference (Globecom), 2023.
  • ACM Transactions on Internet of Things (TIOT), 2020, 2023.
  • IEEE Internet of Things Journal (IoT-J), 2017, 2023.
  • IEEE Communications Letters (CL), 2022.
  • IEEE Communications Magazine, 2022.
  • IEEE Transactions on Intelligent Transportation Systems (TITS), 2021.
  • IEEE Wireless Communications Magazine (WCM), 2020.
  • IEEE Transactions on Wireless Communications (TWC), 2016.
  • International Conference on Computer Communications and Networks (ICCCN), 2014.

Selected Talks

  • Heterogeneous CSMA for Improved Energy Fairness in LoRaWAN, International Conference on ICT Convergence (ICTC), 2023.

  • Toward Improved Energy Fairness for CSMA-based LoRaWAN, IEICE Technical Committee on Radio Communication Systems, 2022.

  • Toward Lightweight Resolution of Signal Collisions in LoRaWAN, IEICE Technical Committee on Radio Communication Systems, 2022.

  • Detecting Close Physical Contact via Unlicensed LPWAN Signals, IEICE Technical Committee on Communication Quality, 2021.

  • Development of Wireless Coexistence Systems, International Young Scholar Forum of Hainan University, 2020.

  • Development of Wireless Coexistence Systems, Aoxiang Forum for Distinguished Young Scholars of Northwestern Polytechnical University, 2019.

  • Interference Harmonization in Wireless Systems, Xi'an Jiaotong University Silk Road International Symposium for Distinguished Young Scholars, 2019.

Teaching

Undergraduate Courses
  • Experiments Computer Science and Networks Ⅱ, Fall 2023.
  • Fundamental Experiments for Information Engineering Ⅱ, Fall 2023.

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