(last update 2017.04.07)

[33] K. Park, D. Lee, J. Lee, and J. Seo, “Spatial-temporal adaptive processing algorithm for dual-polarized antennas to mitigate GPS interferences,” GPS solutions, Under Revision

[32] S. Saito, S. Sunda, J. Lee, S. Pullen, S. Supriadi, T. Yoshihara, M. Terkildsen, F. Lecat, and ICAO APANPIRG Ionospheric Studies Task Force, “Asia-Pacific regional ionospheric delay gradient model for GBAS.” GPS solutions, Under Revision

[31] M. Yoon, J. Lee, S. Pullen, J. Gillespie, N. Mathur, R. Cole, J. Rodrigues de Souza, P. Doherty, and R. Pradipta, “Equatorial Plasma Bubble Threat Parameterization to Support GBAS Operations in the Brazilian Region,” Navigation, Accepted for publication

[30] K. Lee and J. Lee, “Design and Evaluation of Symmetric Space-Time Adaptive Processing of an Array Antenna for Precise Global Navigation Satellite System Receivers,” IET Signal Processing, Accepted for publication

[29] J. Lee J. Morton, J. Lee, H. Moon, and J. Seo, “Monitoring and Mitigation of Ionospheric Anomalies for GNSS-Based Safety Critical Systems,” IEEE Signal Processing Magazine, Accepted for publication

[28] M. Felux, MS. Circiu, J. Lee, and F. Holzapfel, “Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS,” International Journal of Aerospace Engineering, vol. 2017, Article ID 4326018, 10 p, 2017, DOI: 10.1109/TAES.2017.2671782

[27] M. Kim, E. Bang, S. Pullen, and J. Lee, “Feasibility Studies for Applications of Long-Term Ionospheric Anomaly Monitor,” IEEE Transactions on Aerospace and Electronic Systems, DOI: 10.1109/TAES.2017.2671782

[26] J. Lee and M. Kim, “Optimized GNSS Station Selection to Support Long-Term Monitoring of Ionospheric Anomalies for Aircraft Landing Systems,” IEEE Transactions on Aerospace and Electronic Systems, Vol 53. No. 1, February 2017, pp 1-11.

[25] J. Lee, S. Pullen, and S. Datta-Barua, J. Lee, “Real-time Ionospheric Threat Adaptation by Using Space Weather Prediction for GNSS-Based Aircraft Landing Systems,” IEEE Transactions on Intelligent Transportation Systems, DOI: 10.1109/TITS.2016.2627600

[24] M. Yoon, D. Kim, and J. Lee, “Validation of Ionospheric Spatial Decorrelation Observed During Equatorial Plasma Bubble Events,” IEEE Transactions on Geoscience and Remote Sensing, Vol. 55, Issue 1, pp.261-271, DOI: 10.1109/TGRS.2016.2604861

[23] E. Bang, J. Lee, T. Walter, and J. Lee, “Preliminary Availability Assessment to Support Single Frequency SBAS Development in the Korean Region,” GPS Solutions, Vol. 20, Issue 3, pp.299-312, 2016, DOI: 10.1007/s10291-016-0522-4

[22] H. Yun, D. Han, C. Kee, J. Lee, M. Heo, “RAIM Algorithm considering Simultaneous Multiple Ramp Failures,” Aircraft Engineering and Aerospace Technology: An International Journal, Vol. 87 Iss: 4, pp.357 – 367, 2015

[21] DV. Ratnam, G. Sivavaraprasad, and J. Lee, “Automatic Ionospheric Scintillation Detector for Global Navigation Satellite System Receivers,” IET Radar, Sonar & navigation, Vol. 9, Issue 6, pp. 702-711, DOI: 10.1049/iet-rsn.2014.0232, February 2015

[20] M. Kim, J. Lee, Y. Choi, and H. Jun, “GBAS Ionospheric Threat Model Assessment for Category I Operation in the Korean Region,” GPS Solutions, Vol. 19, Issue 3, pp.443-456, DOI: 10.1007/s10291-014-0404-6, July 2014.

[19] M. Kim and J. Lee, “A Comprehensive Method for GNSS Data Quality Determination to Improve Ionospheric Data Analysis,” Sensors, 14(8):14971-14993, DOI: 10.3390/s140814971, August 2014.

[18] M. Felux, J. Lee, and F. Holzapfel, “Review of GBAS Ground Monitoring Requirements from an Airworthiness Perspective,” GPS Solutions, Vol. 19, Issue 3, pp. 393-401, DOI:10.1007/s10291-014-0398-0, July 2014.

[17] M. Yoon and J. Lee, “Medium-scale Travelling Ionospheric Disturbances in the Korean Region on 10 November 2004: Potential impact on GPS-Based navigation Systems,” Space Weather, Volume 12, Issue 4, pp.173-186, April 2014.

[16] D. Won, E. Lee, M. Heo, S. Sung, J. Lee and Y. Lee, “GNSS Integration with Vision-based Navitation for Low GNSS Visibility Conditions,” GPS Solutions, Vol. 18, Issue 2, pp. 177-187, April 2014.

[15] S. Kumar, A. K. Singh, J. Lee, “Variations of Equatorial Ionospheric Anomaly (EIA) and comparison with IRI model during descending phase of solar activity (2005- 2009),” Advances in Space Research (2014),  Vol. 53, Issue 5, pp. 724-733, http://dx.doi.org/10.1016/j.asr.2013.12.019

[14] D. Won, E. Lee, M. Heo, S. Lee, J. Lee, J. Kim, S. Sung, Y. Lee, “Selective Integration of GNSS, Vision Sensor, and INS Using Weighted DOP under GNSS-challenged Environment,” IEEE Transactions on Instrumentation & Measurement,  Vol. 32, No. 9, pp. 2288-2298, DOI: 10.1109/TIM.2014.2304365, March 2014.

[13] D. Won, S. Chun, S. Lee, S. Sung, J. Lee, J. Kim, Y. Lee, “Geometrical Distortion Integrated Performance Index for Vision-Based Navigation System,” International Journal of Control, Automation, and Systems, Vol. 11, No. 6, pp.1196-1203, doi 10.1007/s12555-012-0194-y, December 2013.

[12] E. Bang, J. Lee, “Methodology of Automated Ionosphere Front Velocity Estimation for Ground Based Augmentation of GNSS,” American Geophysical Union (AGU) Radio Science, DOI: 10.1002/rds.20066, November 2013.

[11] S. Jung and J. Lee, “Long-term ionospheric anomaly monitoring for ground based augmentation systems,” American Geophysical Union (AGU), Vol. 47, RS4006, 2012.

[10] Y. Lee, D. Won, J. Ahn, S. Lee, J. Lee, S. Sung, H. Park and J. Park, “Weighted DOP with Consideration on Elevation-Dependent Range Errors of GNSS Satellites,” IEEE Transactions on Instrumentation & Measurement, Vol. 61, Issue.12, pp.3241-3250, 2012.

[9] J. Seo, J. Lee, S. Pullen, P. Enge and S. Close, “Targeted Parameter Inflation within Ground-Based Augmentation Systems to Minimize Anomalous Ionospheric Impact,”AIAA Journal of Aircraft, Vol. 49, No. 2, pp.587-599, 2012.

[8] J. Seo, YH. Chen, D. De Lorenzo, S. Lo, P. Enge, D. Akos and J. Lee, “A Real-Time Capable Software-Defined Receiver Using GPU for Adaptive Anti-Jam GPS Sensors,” Sensors 2011, Vol. 11, No. 9, pp.8966-8991, 2011.

[7] J. Lee, S. Datta-Barua, G. Zhang, S. Pullen and P. Enge, “Observations of low-elevation ionospheric anomalies for ground-based augmentation of GNSS,” Radio Science, Vol. 46, RS6005, 2011.

[6] J. Lee, J. Seo, Y. Park, S. Pullen, and P. Enge, “Ionospheric Threat Mitigation by Geometry Screening in Ground Based Augmentation Systems,”AIAA Journal of Aircraft, Vol. 48, No. 4, pp.1422-1433, 2011.

[5] S. Datta-Barua, J. Lee, S. Pullen, S. Datta-Barua, A. Ene, D. Qiu, G. Zhang, and P. Enge, “Ionospheric Threat Parameterization for Local Area GPS-Based Aircraft Landing Systems,” AIAA Journal of Aircraft, Vol. 47, No. 4, pp.1141-1151, 2010.

[4] J. Lee, S. Pullen, and P. Enge, “Sigma Overbounding Using a Position Domain Method for the Local Area Augmentation of GPS,” IEEE Transactions on Aerospace and Electronic Systems, Vol. 45, No. 4, pp.1262-1274, 2009.

[3] J. Lee, S. Pullen, S. Datta-Barua, and P. Enge, “Assessment of Ionosphere Spatial Decorrelation for Global Positioning System-Based Aircraft Landing Systems,” AIAA Journal of Aircraft, Vol. 44, No. 5, pp.1662-1669, 2007.

[2] J. Lee, S. Pullen, and P. Enge, “Sigma-Mean Monitoring for the Local Area Augmentation,” IEEE Transactions on Aerospace and Electronic Systems, Vol.46, No. 2, pp.625-635, 2006.

[1] J. Lee, S. Pullen, P. Enge, B. Pervan, and L. Gratton, “Monitoring GPS Satellite Orbit Errors for Aircraft Landing Systems,” AIAA Journal of Aircraft, Vol. 43, No. 3, pp.799-808, 2006.


Global Navigation Satellite Systems Laboratory, Department of Aerospace Engineering
KAIST 335 Gwahangno, Yuseong-gu, Daejeon 305-701, Republic of Korea
Tel) +82-42-350-3725 Fax) +82-42-350-5765