56 entries « 1 of 2 »

2023

Lee, Jinsil, Kim, Minchan, Min, Dongchan, Pullen, Sam, Lee, Jiyun

Navigation Safety Assurance of a KF-Based GNSS/IMU System: Protection Levels Against IMU Failure Journal Article

In: NAVIGATION: Journal of the Institute of Navigation, vol. 70, iss. 4, 2023.

Abstract | Links

2022

Min, Dongchan, Kim, Minchan, Lee, Jinsil, Circiu, Mihaela-Simona, Meurer, Michael, Lee, Jiyun

DNN-Based Approach to Mitigate Multipath Errors of Differential GNSS Reference Stations Journal Article

In: IEEE Transactions on Intelligent Transportation Systems, pp. 1-7, 2022.

Abstract | Links

Bang, Eugene, Lee, Jiyun

Undersampled Ionospheric Irregularity Threat Parameterization Using a Three-Dimensional Model for Satellite-Based Augmentation Systems Journal Article

In: IEEE Transactions on Aerospace and Electronic Systems, pp. 1-24, 2022.

Abstract | Links

Chang, Hyeyeon, Lee, Jiyun, Yoon, Hyosang, Morton, Y. Jade, Saltman, Alex

Performance assessment of radio occultation data from GeoOptics by comparing with COSMIC data Journal Article

In: Earth, Planets and Space, vol. 74, no. 108, 2022.

Abstract | Links

Park, Haerhee, Lee, Jinsil, Lee, Jiyun

Error modelling method of extended Kalman filter-based terrain referenced navigation system for integrity assurance under nominal conditions Journal Article

In: IET Radar, Sonar & Navigation, vol. 16, no. 9, pp. 1516-1529, 2022.

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Kil, Hyosub, Chang, Hyeyeon, Lee, Woo Kyoung, Paxton, Larry J., Sun, Andrew K., Lee, Jiyun

The Origin of Multitude Plasma Depletions Detected During the 12 February 2000 and 29 October 2003 Geomagnetic Storms Journal Article

In: Journal of Geophysical Research: Space Physics, vol. 127, no. 3, 2022.

Abstract | Links

Lee, Halim, Pullen, Sam, Lee, Jiyun, Park, Byungwoon, Yoon, Moonseok, Seo, Jiwon

Optimal Parameter Inflation to Enhance the Availability of Single-Frequency GBAS for Intelligent Air Transportation Journal Article

In: IEEE Transactions on Intelligent Transportation Systems, pp. 1-8, 2022.

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Kim, Dongwoo, Lee, Jiyun

Kalman-filter-based Integrity Evaluation Considering Fault Duration: Application to GNSS-based Attitude Determination Journal Article

In: GPS Solutions, vol. 26, no. 51, 2022.

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Chang, Hyeyeon, Kil, Hyosub, Sun, Andrew K., Zhang, Shunrong, Lee, Jiyun

Ionospheric disturbances in low- and midlatitudes during the geomagnetic storm on 26 August 2018 Journal Article

In: Journal of Geophysical Research: Space Physics, vol. 127, no. 2, 2022.

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2021

Kim, Dongwoo, Yoon, Moonseok, Pullen, Sam, Lee, Jiyun

Closed-form analysis of undetected range errors due to ionospheric impacts for GBAS category I operations Journal Article

In: NAVIGATION, vol. 68, no. 3, pp. 507-519, 2021.

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Sun, Andrew K., Chang, Hyeyeon, Pullen, Sam, Kil, Hyosub, Seo, Jiwon, Morton, Y. Jade, Lee, Jiyun

Markov Chain-based Stochastic Modeling of Deep Signal Fading: Availability Assessment of Dual-frequency GNSS-based Aviation under Ionospheric Scintillation Journal Article

In: Space Weather, vol. 19, no. 9, pp. e2020SW002655, 2021.

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Chang, Hyeyeon, Yoon, Moonseok, Pullen, Sam, Marini-Pereira, Lenoardo, Lee, Jiyun

Ionospheric spatial decorrelation assessment for GBAS daytime operations in Brazil Journal Article

In: Navigation, vol. 68, no. 2, pp. 391-404, 2021.

Abstract | Links

2020

Yoon, Moonseok, Kim, Dongwoo, Lee, Jiyun

Extreme ionospheric spatial decorrelation observed during the March 1, 2014, equatorial plasma bubble event Journal Article

In: GPS Solutions, vol. 24, no. 47, 2020.

Abstract | Links

Yoon, Moonseok, Lee, Jiyun, Pullen, Sam

Integrity Risk Evaluation of Impact of Ionospheric Anomalies on GAST D GBAS Journal Article

In: Navigation, vol. 1, no. 12, 2020.

Abstract | Links

2019

Jeong, Seongkyun, Kim, Minchan, Lee, Jiyun

GNSS Spoofing Detection for Moving Receiver using GNSS Augmentation System Journal Article

In: International Journal of Aeronautical and Space Sciences, vol. Accepted, 2019.

Yoon, Moonseok, Kim, Dongwoo, Pullen, Sam, Lee, Jiyun

Assessment and Mitigation of EPB Impacts on Category-I GBAS operations in the Brazilian Region Journal Article

In: Navigation, vol. 66, no. 3, pp. 643-659, 2019.

Abstract | Links

Jeong, Seongkyun, Lee, Jiyun

Synthesis Algorithm for Effective Detection of GNSS Spoofing Attacks Journal Article

In: International Journal of Aeronautical and Space Sciences, 2019.

Abstract | Links

Lee, Jinsil, Lee, Jiyun

Correlation between Ionospheric Spatial Decorrelation and Space Weather Intensity for Safety-Critical Differential GNSS Systems Journal Article

In: Sensors, vol. 19, no. 9, pp. 2127, 2019.

Abstract | Links

2018

Lee, Kihoon, Park, Junpyo, Lee, Jiyun

Effects on the Positioning Accuracy of a GPS Receiver with Array Antenna and Time Delay Compensation for Precise Anti-Jamming Journal Article

In: Transactions of the Japan Society for Aeronautical and Space Sciences, vol. 61, no. 4, pp. 171-178, 2018.

Abstract | Links

Choi, Moonseok, Won, Dae Hee, Ahn, Jongsun, Sung, Sangkyoung, Lee, Jiyun, Kim, Jeongrae, Jang, Jae-Gyu, Lee, Young Jae

Conceptual Satellite Orbit Design for Korean Navigation Satellite System Journal Article

In: Transactions of the Japan Society for Aeronautical and Space Sciences, vol. 61, no. 1, pp. 12-20, 2018.

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2017

Saito, Susumu, Sunda, Surendra, Lee, Jiyun, Pullen, Sam, Supriadi, Slamet, Yoshihara, Takayuki, Terkildsen, Michael, Lecat, Frédéric, Force, ICAO APANPIRG Ionospheric Studies Task

Ionospheric delay gradient model for GBAS in the Asia-Pacific region Journal Article

In: GPS Solutions, vol. 21, no. 4, pp. 1937-1947, 2017.

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Yoon, Moonseok, Lee, Jiyun, Pullen, Sam, Gillespie, Joseph, Mather, Navin, Cole, Rich, de Souza, Jonas Rodrigues, Doherty, Patricia, Pradipta, Rezy

Equatorial Plasma Bubble Threat Parameterization to Support GBAS Operations in the Brazilian Region Journal Article

In: Navigation, vol. 64, no. 3, pp. 309-321, 2017.

Abstract | Links

Lee, Jiyun, Morton, Y. T. Jade, Lee, Jinsil, Moon, Hee-Seung, Seo, Jiwon

Monitoring and Mitigation of Ionospheric Anomalies for GNSS-Based Safety Critical Systems: A review of up-to-date signal processing techniques Journal Article

In: IEEE Signal Processing Magazine, vol. 34, no. 5, pp. 96-110, 2017.

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Closas, Pau, Luise, Marco, Avila-Rodriguez, Jose-Angel, Hegarty, Christopher, Lee, Jiyun

Advances in Signal Processing for GNSSs Journal Article

In: IEEE Signal Processing Magazine, vol. 34, no. 5, pp. 12-15, 2017.

Abstract | Links

Lee, Kihoon, Lee, Jiyun

Design and evaluation of symmetric space–time adaptive processing of an array antenna for precise global navigation satellite system receivers Journal Article

In: IET Signal Processing, vol. 11, no. 6, pp. 758-764, 2017.

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Lee, Jinsil, Pullen, Sam, Datta-Barua, Seebany, Lee, Jiyun

Real-Time Ionospheric Threat Adaptation Using a Space Weather Prediction for GNSS-Based Aircraft Landing Systems Journal Article

In: IEEE Transactions on Intelligent Transportation Systems, vol. 18, no. 7, pp. 1752-1761, 2017.

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Kim, Minchan, Bang, Eugene, pullen, Sam, Lee, Yong Jae, Lee, Jiyun

Feasibility Studies for Applications of Long-Term Ionospheric Anomaly Monitor Journal Article

In: IEEE Transactions on Aerospace and Electronic Systems, vol. 53, no. 3, pp. 1581-1588, 2017.

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Felux, Michael, Circiu, Mihaela-Simona, Lee, Jiyun, Holzapfel, Florian

Ionospheric Gradient Threat Mitigation in Future Dual Frequency GBAS Journal Article

In: International Journal of Aerospace Engineering, vol. 2017, no. 4326018, pp. 10, 2017.

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Lee, Jiyun, Kim, Minchan

Optimized GNSS Station Selection to Support Long-Term Monitoring of Ionospheric Anomalies for Aircraft Landing Systems Journal Article

In: IEEE Transactions on Aerospace and Electronic Systems, vol. 53, no. 1, pp. 236-246, 2017.

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Yoon, Moonseok, Kim, Dongwoo, Lee, Jiyun

Validation of Ionospheric Spatial Decorrelation Observed During Equatorial Plasma Bubble Events Journal Article

In: IEEE Transactions on Geoscience and Remote Sensing, vol. 55, no. 1, pp. 261-271, 2017.

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2016

Bang, Eugene, Lee, Jinsil, Walter, Todd, Lee, Jiyun

Preliminary availability assessment to support single-frequency SBAS development in the Korean region Journal Article

In: GPS Solutions, vol. 20, no. 3, pp. 299-312, 2016.

Abstract | Links

2015

김기완,, 김민찬,, 이동경,, 이지윤,

LADGNSS 항법지원을 받는 무인항공기의 비행 기술 오차 모델링 기법 Journal Article

In: 한국항공우주학회지, vol. 43, no. 12, pp. 1054-1061, 2015.

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Yun, Ho, Han, Deokhwa, Kee, Changdon, Lee, Jiyun, Heo, Moonbeom

RAIM algorithm considering simultaneous multiple ramp failures Journal Article

In: Aircraft Engineering and Aerospace Technology, vol. 87, no. 4, pp. 357-367, 2015.

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Kim, Minchan, Choi, Yunjung, Jun, Hyang-Sig, Lee, Jiyun

GBAS ionospheric threat model assessment for category I operation in the Korean region Journal Article

In: GPS Solutions, vol. 19, no. 3, pp. 443-456, 2015.

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Felux, Michael, Lee, Jiyun, Holzapfel, Florian

GBAS ground monitoring requirements from an airworthiness perspective Journal Article

In: GPS Solutions, vol. 19, no. 3, pp. 393-401, 2015.

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Ratna, Devanaboyina Venkata, Sivavaraprasad, Gampala, Lee, Jiyun

Automatic ionospheric scintillation detector for global navigation satellite system receivers Journal Article

In: IET Radar, Sonar & Navigation, vol. 9, no. 6, pp. 702-711, 2015.

Abstract | Links

Kim, Minchan, Kim, Kiwan, Lee, Dong-Kyeong, Lee, Jiyun

GNSS Airborne Multipath Error Modeling Under UAV Platform and Operating Environment Journal Article

In: Journal of Positioning, Navigation, and Timing, vol. 4, no. 1, pp. 1-7, 2015.

Abstract | Links

2014

Kim, Minchan, Seo, Jiwon, Lee, Jiyun

A Comprehensive Method for GNSS Data Quality Determination to Improve Ionospheric Data Analysis Journal Article

In: Sensors, vol. 14, no. 8, pp. 14971-14993, 2014.

Abstract | Links

Won, Dae Hee, Lee, Eunsung, Heo, Moonbeom, Sung, Sangkyung, Lee, Jiyun, Lee, Young Jae

GNSS integration with vision-based navigation for low GNSS visibility conditions Journal Article

In: GPS Solutions, vol. 18, no. 2, pp. 177-187, 2014.

Abstract

Yoon, Moonseok, Lee, Jiyun

Medium-scale Travelling Ionospheric Disturbances in the Korean Region on 10 November 2004: Potential impact on GPS-Based navigation Systems Journal Article

In: Space Weather, vol. 12, no. 4, pp. 173-186, 2014.

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Won, Dae Hee, Lee, Eunsung, Heo, Moonbeom, Lee, Seung-Woo, Lee, Jiyun, Kim, Jeongrae, Sung, Sangkyung, Lee, Young Jae

Selective Integration of GNSS, Vision Sensor, and INS Using Weighted DOP Under GNSS-Challenged Environments Journal Article

In: IEEE Transactions on Instrumentation and Measurement, vol. 63, no. 9, pp. 2288-2298, 2014.

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Kumar, Sanjay, Singh, A. K., Lee, Jiyun

Equatorial Ionospheric Anomaly (EIA) and comparison with IRI model during descending phase of solar activity (2005- 2009) Journal Article

In: Advances in Space Research, vol. 53, no. 5, pp. 724-733, 2014.

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2013

Won, Dae Hee, Chun, Sebum, Lee, Seung-Woo, Sung, Sangkyung, Lee, Jiyun, Kim, Jeongrae, Lee, Young Jae

Geometrical distortion integrated performance index for vision-based navigation system Journal Article

In: International Journal of Control, Automation and Systems, vol. 11, no. 6, pp. 1196-1203, 2013.

Abstract | Links

Bang, Eugene, Lee, Jiyun

Methodology of automated ionosphere front velocity estimation for ground-based augmentation of GNSS Journal Article

In: Radio Science, vol. 48, no. 6, pp. 659-670, 2013.

Abstract | Links

Kim, Minchan, Lee, Jiyun

종합적 품질평가 기법을 이용한 국내 GPS 상시관측소의 데이터 품질 분석 Journal Article

In: 한국항공우주학회지, vol. 41, no. 9, pp. 689-699, 2013.

Abstract | Links

2012

Jeong, Sungwook, Lee, Jiyun

Long Term Ionospheric Anomaly Monitoring for Ground Based Augmentation Systems Journal Article

In: Radio Science, vol. 47, no. RS4006, 2012.

Abstract | Links

Won, Dae Hee, Ahn, Jongsun, Lee, Seung-Woo, Lee, Jiyun, Sung, Sankyung, Park, Heung-Won, Park, Jun-Pyo, Lee, Young Jae

Weighted DOP with Consideration on Elevation-Dependent Range Errors of GNSS Satellites Journal Article

In: IEEE Transactions on Instrumentation and Measurement, vol. 61, no. 12, pp. 3241-3250, 2012.

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Seo, Jiwon, Lee, Jiyun, Pullen, Sam, Enge, Per, Close, Sigrid

Targeted Parameter Inflation within Ground-Based Augmentation Systems to Minimize Anomalous Ionospheric Impact Journal Article

In: Journal of Aircraft, vol. 49, no. 2, pp. 587-599, 2012.

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2011

Lee, Jiyun, Datta-Barua, Seebany, Zhang, Godwin, Pullen, Sam, Enge, Per

Observations of low‐elevation ionospheric anomalies for ground‐based augmentation of GNSS Journal Article

In: Radio Science, vol. 46, no. RS6005, 2011.

Abstract | Links

Seo, Jiwon, Chen, Yu-Hsuan, Lorenzo, David S. De, Lo, Sherman, Enge, Per, Akos, Dennis, Lee, Jiyun

A Real-Time Capable Software-Defined Receiver Using GPU for Adaptive Anti-Jam GPS Sensors Journal Article

In: Sensors, vol. 11, no. 9, pp. 8966-8991, 2011.

Abstract | Links

56 entries « 1 of 2 »