Halim Lee

RESEARCH INTERESTS

    Autonomous Vehicles; Localization and Tracking; Alternative Positioning, Navigation, and Timing (PNT) for Urban & Indoor Environments; Quantum Algorithms for PNT Applications

EDUCATION

    M.S./Ph.D. student, School of Integrated Technology, College of Computing, Yonsei University, Korea (2019–present)

    B.S., School of Integrated Technology, College of Engineering, Yonsei University, Korea (2019)

        Second highest GPA in the graduation class of 2019 in the School of Integrated Technology

EXPERIENCE

    Research Assistant, Intelligent Unmanned Systems Laboratory (Prof. Jiwon Seo), Yonsei University (2019–present)

    Visiting Graduate Student, Autonomous Systems Perception, Intelligence, and Navigation Laboratory (Prof. Zak Kassas), University of California, Irvine (Feb. 2020–Jan. 2021)

    Teaching Assistant, IIT4312 Mechatronics Project (Prof. Jiwon Seo), Yonsei University (Spring 2019, Spring 2021)

    Teaching Assistant, IIT3303 Feedback System (Prof. Jiwon Seo), Yonsei University (Fall 2023)

AWARDS AND HONORS

    Best Paper Award, KICS Conference, Korean Institute of Communications and Information Science (Feb. 2024)

    Excellent Academic Paper Award, Yonsei University (Jan. 2024)

    Best Paper Award, IPNT Conference, The Institute of Positioning, Navigation, and Timing (Nov. 2022)

    Best Paper Award, KONI Conference, The Korean Navigation Institute (Oct. 2022)

    Graduate fellowship from the ICT Consilience Creative Program supported by the Ministry of Science and ICT, Korea (2019)

    Undergraduate fellowship for three years from the ICT Consilience Creative Program supported by the Ministry of Science and ICT, Korea (2016–2018)

    Academic Excellence Award, Yonsei University (Fall 2018)

PUBLICATIONS

     International Journal Articles

     1. H. Lee, S. Jeong, and J. Seo,

          A quantum computing-based UAV path optimization for large-scale search and rescue missions,

          IEEE Internet of Things Journal, in preparation. 

     2. H. Lee and J. Seo,

          Rigidity-based UAV trajectory optimization for rapid target localization in emergencies,

          Aerospace Science and Technology, submitted. 

     3. H. Lee, J. Seo, and Z. Kassas,

          Urban road safety prediction: A satellite navigation perspective,

          IEEE Intelligent Transportation Systems Magazine, 14(6), 94–106, doi:10.1109/MITS.2022.3181557, 2022. 

    4. H. Lee, S. Pullen, J. Lee, B. Park, M. Yoon, and J. Seo,

          Optimal parameter inflation to enhance the availability of single-frequency GBAS for intelligent air transportation,

          IEEE Transactions on Intelligent Transportation Systems, 23(10), 17801–17808, doi:10.1109/TITS.2022.3157138, 2022. 

    International Conference Proceedings

    1. H. Lee and J. Seo,

          Performance comparison of numerical optimization algorithms for RSS-TOA-based target localization,

          in Proceedings of the VTC2023-Spring, Florence, Italy, 2023.  

    2. H. Lee and J. Seo,

          Performance evaluation and hybrid application of the greedy and predictive UAV trajectory optimization methods for localizing a target mobile device,

          in Proceedings of the ION ITM, Long Beach, CA, USA, 2023, pp. 161–171.  

    3. H. Lee, T. Kang, S. Jeong, and J. Seo,

          Evaluation of RF fingerprinting-aided RSS-based target localization for emergency response,

          in Proceedings of the VTC2022-Spring, Helsinki, Finland, 2022, pp. 1–7.  

    4. S. Kim, H. Lee, and K. Park,

          GPS multipath detection based on carrier-to-noise-density ratio measurements from a dual-polarized antenna,

          in Proceedings of the ICCAS 2021, Jeju, Korea, 2021, pp. 1099–1103.  

    5. M. Jia, H. Lee, J. Khalife, Z. Kassas, and J. Seo,

          Ground vehicle navigation integrity monitoring for multi-constellation GNSS fused with cellular signals of opportunity,

          in Proceedings of the ITSC 2021, Indianapolis, IN, USA, 2021, pp. 3978–3983.  

    6. H. Lee and J. Seo,

          A preliminary study of machine-learning-based ranging with LTE channel impulse response in multipath environment,

          in Proceedings of the ICCE-Asia 2020, Seoul, Korea, 2020, pp. 1–4.  

    7. S. Jeong, H. Lee, T. Kang, and J. Seo,

          RSS-based LTE base station localization using single receiver in environment with unknown path-loss exponent,

          in Proceedings of the ICTC 2020, Jeju, Korea, 2020, pp. 958–961. 

    8. H. Lee, A. A. Abdallah, J. Park, J. Seo, and Z. Kassas,

          Neural network-based ranging with LTE channel impulse response for localization in indoor environments,

          in Proceedings of the ICCAS 2020, Busan, Korea, 2020, pp. 939–944.

     9. H. Lee, J. Seo, and Z. Kassas,

          Integrity-based path planning strategy for urban autonomous vehicular navigation using GPS and cellular signals,

          in Proceedings of the ION GNSS+ 2020, St. Louis, MO, USA, 2020, pp. 2347–2357.

     10. H. Lee, T. Kang, J. Seo,

         Development of confidence bound visualization tool for LTE-based UAV surveillance in urban areas,

         in Proceedings of the ICCAS 2019, Jeju, Korea, 2019, pp. 1187–1191.

     11. T. Kang, H. Lee, and J. Seo,

         Analysis of the maximum correlation peak value and RSRQ in LTE signals according to frequency bands and sampling frequencies,

         in Proceedings of the ICCAS 2019, Jeju, Korea, 2019, pp. 1182–1186.

     12. H. Lee, W. Kim, and J. Seo,

         Simulation of UWB radar-based positioning performance for a UAV in an urban area,

         in Proceedings of the ICCE-Asia 2018, Jeju, Korea, 2018.

     Domestic Journal Articles

     1. H. Lee, S. Kim, J. Park, S. Jeong, S. Park, J. Yu, H. Choi, and J. Seo,

         A survey on new parameters of GPS CNAV/CNAV-2 and their roles, 

         Journal of Positioning, Navigation, and Timing, 13(1), 45–54, 2024.

     2. H. Lee and J. Seo,

         Performance comparison of machine learning algorithms for received signal strength-based indoor LOS/NLOS classification of LTE signals, 

         Journal of Positioning, Navigation, and Timing, 11(4), 361–368, 2022.

     3. H. Lee, T. Kang, and J. Seo,

         Safety distance visualization tool for LTE-based UAV positioning in urban areas, 

         Journal of Advanced Navigation Technology, 23(5), 408–414, 2019.

     4. T. Kang, H. Lee, and J. Seo,

         TOA-based ranging method using CRS in LTE signals,

         Journal of Advanced Navigation Technology, 23(5), 437–443, 2019.

     Domestic Conference Proceedings

     1. Y. Kim, H. Lee, and J. Seo,

         The impact of LiDAR point cloud density on the performance of vehicle position estimation using CMRNet, 

         in Proceedings of the 2024 IPNT Conference, Jeju, Korea, 2024, pp. 591–594.

     2. H. Lee and J. Seo,

         Performance analysis of target localization using Fisher information-based UAV trajectory optimization under RSS error, 

         in Proceedings of the 2024 KONI Conference, Seongnam, Korea, 2024.

     3. M. Jang, H. Lee, J. Seo,

         Validation of NeRF-based point clouds: Accuracy analysis of 3D scene reconstruction through comparison with the KITTI dataset, 

         in Proceedings of the 2024 KONI Conference, Seongnam, Korea, 2024.

     4. Y. Kim, H. Lee, J. Hwang, J. Seo,

         Urban vehicular navigation based on CMRNet with an OSM 3D map, 

         in Proceedings of the KICS Summer Conference 2024, Jeju, Korea, 2024, pp. 1221–1222.

     5. Y. Kim, H. Lee, J. Seo,

         Processing OSM 3D map into a point cloud global map for urban vehicular navigation, 

         in Proceedings of the KICS Winter Conference 2024, Pyeongchang, Korea, 2024.

     6. H. Lee and J. Seo,

         Impact of initial UAV geometry on target localization via Fisher information matrix-based trajectory optimization, 

         in Proceedings of the 2023 IPNT Conference, Jeju, Korea, 2024, pp. 17–20.

     7. Y. Kim, H. Lee, and J. Seo,

         Urban 3D map generation based on Google Maps for ray tracing of GNSS signals, 

         in Proceedings of the KICS Winter Conference, Yongpyeong, Korea, 2023, pp. 1172–1173.

     8. H. Lee and J. Seo,

         LTE RSS-based positioning method using separated LOS and NLOS channel models, 

         in Proceedings of the 2022 IPNT Conference, Gangneung, Korea, 2022, pp. 69–72.

     9. Y. Kim, H. Lee, and J. Seo,

         Performance evaluation on vehicle position and attitude estimation based on the number of layers in CMRNet, 

         in Proceedings of the 2022 KONI Conference, Seoul, Korea, 2022, pp. 246–248.

     10. S. Jeong, H. Lee, and J. Seo,

         Analysis of LTE received signal strength variation according to open and closed doors,

         in Proceedings of the 2020 KONI Conference, Seoul, Korea, 2020, pp. 69–71.

     11. H. Lee, T. Kang, and J. Seo,

         Bandwidth detection for LTE-based positioning,

         in Proceedings of the 2018 KONI Conference, Seoul, Korea, 2018, pp. 164–166.

PATENTS

    1. J. Seo, H. Lee, B. Park, Method and apparatus for setting moving path of unmanned aerial vehicle, 10-2024-0133357, Applied on 30 September 2024, Korea.

    2. J. Seo, H. Lee, Apparatus and method for estimating location of communication device, 10-2023-0073934, Applied on 9 June 2023, Korea.

    3. J. Seo, H. Lee, Method for tracking emergency caller for securing emergency rescue golden time in city area, 10-2022-0054637, Applied on 3 May 2022, Korea.

    4. J. Seo, H. Lee, Method for estimating distance using channel amplitude infomration estimated from LTE signal based on neural network, 10-2019-0172101, Applied on 20 

         December 2019, Korea.

RESEARCH GRANT

    PI, AI-based search and rescue of an emergency caller in urban environment

         Sponsor: National Research Foundation, Korea

         Period: June 2021–May 2023

ACADEMIC SERVICES

    1. Session Co-chair, Session C2: Aircraft Navigation and Surveillance, ION Pacific PNT, Honolulu, HI, USA, 2024.

    2. Session Co-chair, Session E2b: Advanced Processing of Signals of Opportunity for Positioning, Navigation and Timing, ION GNSS+, Denver, CO, USA, 2022.

PEER-REVIEW ACTIVITIES

     Journals

     • IEEE Transactions on Intelligent Transportation Systems

     • IEEE Transactions on Vehicular Technology

     • IEEE Transactions on Aerospace and Electronic Systems

     • IEEE Intelligent Transportation Systems Magazine

     • IEEE Communications Letters

     • IEEE Access

     • Journal of Advanced Navigation Technology

     • Journal of Positioning, Navigation, and Timing

     Conferences

     • ION GNSS+

     • ION Pacific PNT

     • IEEE Vehicular Technology Conference

CONTACT

    E-mail: halim.lee@yonsei.ac.kr