Showing results 1 to 38 of 38
Assessment of Equatorial Plasma Bubble Impacts on Ground-Based Augmentation Systems in the Brazilian Region Yoon, Moonseok; Kim, Dongwoo; Lee, Jiyun; Rungruengwajiake, Sarawoot; Pullen, Sam, 2016 International Technical Meeting of The Institute of Navigation, pp.368 - 379, Institute of Navigation, 2016-01 |
Assessment of Ionospheric Spatial Decorrelation for Daytime Operations of GBAS in the Brazilian Region Chang, Hyeyeon; Yoon, Moonseok; Lee, Jiyun; Pullen, Sam; Pereira Leonardo Marini, 2019 International Technical Meeting of The Institute of Navigation, pp.618 - 631, Institute of Navigation, 2019-01 |
Assessment of Nominal Ionosphere Spatial Decorrelation for LAAS Lee, Jiyun; Pullen, Sam; Datta-Barua, Seebany; Enge, Per, IEEE/ION PLANS 2006, pp.506 - 514, IEEE, Institute of Navigation, 2006-04 |
Automated Front Speed Computation of Ionospheric Anomalies for Ground-Based Augmentation Systems Lee, Jiyun; Bang, Eugene; Jung, Sungwook; Pullen, Sam, 13th International Ionospheric Effects Symposium 2011, JMG Associates Ltd., 2011-05 |
Automated Ionospheric Front Velocity Estimation Algorithm for Ground-Based Augmentation Systems Bang, Eugene; Lee, Jiyun; Seo, Jiwon; Pullen, Sam; Close, Sigrid, 2012 International Technical Meeting of The Institute of Navigation, pp.1570 - 1580, Institute of Navigation, 2012-01 |
Conceptual Study of Real-time Ionospheric Threat Adaptation Using Space Weather Forecasting for GNSS Augmentation Systems Lee, Jiyun; Lee, Jinsil; Pullen, Sam; Datta-Barua, Seebany, 2014 International Technical Meeting of The Institute of Navigation, Institute of Navigation, 2014-01 |
CUSUM-Based Real-Time Risk Metrics for Augmented GPS and GNSS Pullen, Sam; Lee, Jiyun; Xie, Gang; Enge, Per, 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003), pp.2275 - 2287, Institute of Navigation, 2003-09 |
Data-quality improvements and applications of long-term monitoring of ionospheric anomalies for GBAS Kim, Minchan; Lee, Jiyun; Pullen, Sam; Gillespie, Joseph, 25th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2012), pp.2159 - 2174, Institute of Navigation, 2012-09 |
Data-Replay Analysis of LAAS Safety during Ionosphere Storms Park, Young Shin; Zhang, Godwin; Pullen, Sam; Lee, Jiyun; Enge, Per, 20th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2007), pp.404 - 414, Institute of Navigation, 2007-09 |
Enhanced Local-Area DGNSS for Autonomous Vehicle Navigation: Optimal Smoothing Strategy Nam, Gihun; KIM, Dongwoo; Kim, Noah Minchan; Lee, Jiyun; Pullen, Sam, 34th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS+ 2021, pp.4080 - 4096, Institute of Navigation (ION), 2021-09-22 |
Enhancements of Long Term Ionospheric Anomaly Monitoring for the Ground-Based Augmentation System Lee, Jiyun; Jung, Sungwook; Pullen, Sam, 2011 International Technical Meeting of The Institute of Navigation, pp.930 - 941, Institute of Navigation, 2011-01 |
Ephemeris Protection Level Equations and Monitor Algorithms for GBAS Pullen, Sam; Lee, Jiyun; Luo, Ming; Pervan, Boris; Chan, Fang-Cheng; Gratton, Livio, 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), Institute of Navigation, 2001-09 |
Estimation of GPS Receiver Inter-Frequency Bias for Operational Ionosphere Monitoring in GBAS Lee, Jiyun; Bang, Eugene; Jung, Sungwook; Pullen, Sam, ENRI International Workshop on ATM/CNS (EIWAC 2010), pp.27 - 32, ENRI, 2010-11 |
Evaluation of GPS L5, Galileo E1 and Galileo E5a Performance in Flight Trials for Multi Frequency Multi Constellation GBAS Circiu, M-S; Felux, Michael; Belabbas, Boubeker; Meurer, Michael; Kim, Minchan; Lee, Jiyun; Pullen, Sam, 28th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2015), pp.897 - 906, Institute of Navigation, 2015-09 |
Guidance, Navigation, and Separation Assurance for Local-Area UAV Networks: Putting the Pieces Together Pullen, Sam; Lee, Jiyun, ION 2013 Pacific PNT Meeting, Institute of Navigation, 2013-04 |
High Integrity GNSS Navigation and Safe Separation Distance to Support Local-Area UAV Networks Kim, Minchan; Kim, Kiwan; Lee, Jiyun; Pullen, Sam, 27th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2014), pp.869 - 878, Institute of Navigation, 2014-09 |
High-Integrity Local-Area Differential GNSS Architectures Optimized to Support Unmanned Aerial Vehicles (UAVs) Pullen, Sam; Lee, Jiyun; Enge, Per, 2013 International Technical Meeting of The Institute of Navigation, Institute of Navigation, 2013-01 |
Impact of Ionospheric Anomalies on GBAS GAST D Service and Validation of Relevant ICAO SARPs Requirements Pullen, Sam; Cassell, Rick; Johnson, Bruce; Brenner, Mats; Weed, Doug; Cypriano, Lucas; Topland, Morten; et al, 30th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GNSS 2017, pp.2085 - 2105, Institute of Navigation, 2017-09 |
Integrity assurance of Kalman-filter based GNSS/IMU integrated systems against IMU faults for UAV applications Lee, Jinsil; Kim, Minchan; Lee, Jiyun; Pullen, Sam, 31st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2018), Institute of Navigation, 2018-09 |
Integrity Design and Updated Test Results for the Stanford LAAS Integrity Monitor Testbed Xie, Gang; Pullen, Sam; Luo, Ming; Normark, Per-Ludvig; Akos, Dennis; Lee, Jiyun; Enge, Per; et al, 57th Annual Meeting of The Institute of Navigation (2001), pp.681 - 693, Institute of Navigation, 2001-06 |
Integrity Risk Evaluation of Impact of Ionospheric Anomalies on GAST D GBAS Yoon, Moonseok; Lee, Jiyun; Pullen, Sam, 2019 International Technical Meeting of The Institute of Navigation, pp.100 - 112, Institute of Navigation, 2019-01 |
LAAS Ground Facility Design Improvements to Meet Proposed Requirements for Category II/III Operations Pullen, Sam; Luo, Ming; Xie, Gang; Lee, Jiyun; Phelts, R. Eric; Akos, Dennis; Enge, Per, 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002), pp.1934 - 1947, Institute of Navigation, 2002-09 |
LAAS Position Domain Monitor Analysis and Failure-Test Verification Lee, Jiyun; Pullen, Sam; Gang, Xie; Enge, Per, 21st International Communications Satellite Systems Conference and Exhibit, American Institute of Aeronautics and Astronautics, 2003-04 |
LAAS Sigma-Mean Monitor Analysis and Failure-Test Verification Lee, Jiyun; Pullen, Sam; Gang, Xie; Enge, Per, 57th Annual Meeting of The Institute of Navigation (2001), pp.694 - 704, Institute of Navigation, 2001-06 |
Long Term Monitoring of Ionospheric Anomalies to Support the Local Area Augmentation System Lee, Jiyun; Jung, Sungwook; Bang, Eugene; Pullen, Sam; Enge, Per, 23rd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2010), pp.2651 - 2660, Institute of Navigation, 2010-09 |
Low-Elevation Ionosphere Spatial Anomalies Discovered from the 20 November 2003 Storm Zhang, Godwin; Lee, Jiyun; Datta-Barua, Seebany; Pullen, Sam; Enge, Per, ION NTM 22007 National Technical Meeting of The Institute of Navigation007, Institute of Navigation, 2007-01 |
Monte Carlo Simulation for Impact of Anomalous Ionospheric Gradient on GAST-D GBAS Kim, Dongwoo; Yoon, Moonseok; Lee, Jiyun; Pullen, Sam; Weed, Doug, ION Pacific PNT Meeting, pp.47 - 55, Institute of Navigation, 2017-05 |
Multi-dimensional Verification Methodology of Ionospheric Gradient Observation during Plasma Bubble Events in the Brazilian Region Yoon, Moonseok; Kim, Dongwoo; Lee, Jiyun; Pullen, Sam, ION 2015 Pacific PNT Meeting, pp.748 - 762, Institute of Navigation, 2015-04 |
Networked UAV Detection and Alerting of Ionospheric Anomalies within LADGNSS Navigation Framework Nam, Gihun; Sun, K. Andrew; Lee, Jiyun; Pullen, Sam, 35th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS+ 2022), Institute of Navigation, 2022-09-22 |
Optimal Scheduling of Arrivals at Low-Latitude Airports under Severe Ionospheric Spatial Gradients and Scintillation Pullen, Sam; Lee, Jiyun; Yoon, Moonseok, ENRI International Workshop on ATM/CNS (EIWAC 2015), ENRI, 2015-11-19 |
Optimal Smoothing and Monitor Strategies for Dual-Frequency Dual-Constellation (DFDC) LADGNSS under Anomalous Ionospheric Conditions Nam, Gihun; Min, Dongchan; Kim, Minchan; Lee, Jiyun; Pullen, Sam, 2022 International Technical Meeting of The Institute of Navigation, pp.1156 - 1174, Institute of Navigation, 2022-01-25 |
Optimized GNSS Network Station Selection to Support the Development of Ionospheric Threat Models for GBAS Kim, Minchan; Lee, Jiyun; Pullen, Sam; Gillespie, Joseph, 2013 International Technical Meeting of The Institute of Navigation, pp.559 - 570, Institute of Navigation, 2013-01 |
Performance Benefit from Dual-Frequency GNSS-based Aviation Applications under Ionospheric Scintillation: A New Approach to Fading Process Modeling Sun, Kiyoung; Chang, Hyeyeon; Lee, Jiyun; Seo, Jiwon; Morton, Y Jade; Pullen, Sam, Institute of Navigation International Technical Meeting 2020, ITM 2020, pp.889 - 899, Institute of Navigation, 2020-01 |
Position-Domain Geometry Screening to Maximize LAAS Availability in the Presence of Ionosphere Anomalies Lee, Jiyun; Luo, Ming; Pullen, Sam; Park, Young Shin; Enge, Per; Brenner, Mats, 19th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2006), pp.393 - 408, Institute of Navigation, 2006-09 |
Results from Automated Ionospheric Data Analysis for Ground-Based Augmentation Systems (GBAS) Lee, Jiyun; Jung, Sungwook; Kim, Minchan; Seo, Jiwon; Pullen, Sam; Close, Sigrid, 2012 International Technical Meeting of The Institute of Navigation, pp.1451 - 1461, Institute of Navigation, 2012-01 |
Targeted Ephemeris Decorrelation Parameter Inflation for Improved LAAS Availability During Severe Ionosphere Anomalies Ramakrishnan, Shankararaman; Lee, Jiyun; Pullen, Sam; Enge, Per, 2008 National Technical Meeting of The Institute of Navigation, pp.354 - 366, Institute of Navigation, 2008-01 |
The Next Generation Integrity Monitor Testbed (IMT) for Ground System Development and Validation Testing Normark, Per-Ludvig; Xie, Gang; Akos, Dennis; Pullen, Sam; Luo, Ming; Lee, Jiyun; Enge, Per; et al, 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), Institute of Navigation, 2001-09 |
Vertical Position Error Bounding for Integrated Sensors to Support Unmanned Aerial Vehicles (UAV) Lee, Jinsil; Pullen, Sam; Lee, Jiyun, SCPNT 2015, Stanford University, 2015-11 |
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