Showing results 32 to 57 of 57
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, 2011-03-28 |
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 |
Markov Chain-Based Stochastic Modeling of Deep Signal Fading: Availability Assessment of Dual-Frequency GNSS-Based Aviation Under Ionospheric Scintillation Sun, Andrew K.; Chang, Hyeyeon; Pullen, Sam; Kil, Hyosub; Seo, Jiwon; Morton, Y. Jade; Lee, Jiyun, SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS, v.19, no.9, 2021-09 |
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 |
Navigation Safety Assurance of a KF-Based GNSS/IMU System: Protection Levels Against IMU Failure Lee, Jinsil; Kim, Minchan; Min, Dongchan; Pullen, Sam; Lee, Jiyun, NAVIGATION-JOURNAL OF THE INSTITUTE OF NAVIGATION, v.70, no.4, 2023 |
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 |
Observations of low-elevation ionospheric anomalies for ground-based augmentation of GNSS Lee, Jiyun; Datta-Barua, Seebany; Zhang, Godwin; Pullen, Sam; Enge, Per, RADIO SCIENCE, v.46, 2011-11 |
Optimal Parameter Inflation to Enhance the Availability of Single-Frequency GBAS for Intelligent Air Transportation Lee, Halim; Pullen, Sam; Lee, Jiyun; Park, Byoungwoon; Yoon, Moonseok; Seo, Jiwon, IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS, v.23, no.10, pp.17801 - 17808, 2022-10 |
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 |
Real-Time Ionospheric Threat Adaptation Using a Space Weather Prediction for GNSS-Based Aircraft Landing Systems Lee, Jinsil; Pullen, Sam; Datta-Barua, Seebany; Lee, Jiyun, IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS, v.18, no.7, pp.1752 - 1761, 2017-07 |
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 |
Sigma Overbounding using a Position Domain Method for the Local Area Augmentaion of GPS Lee, Jiyun; Pullen, Sam; Enge, Per, IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, v.45, no.4, pp.1262 - 1274, 2009-10 |
Sigma-mean monitoring for the local area augmentation of GPS Lee, Jiyun; Pullen, Sam; Enge, Per, IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS, v.42, no.2, pp.625 - 635, 2006-04 |
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 |
Targeted Parameter Inflation Within Ground-Based Augmentation Systems to Minimize Anomalous Ionospheric Impact Seo, Jiwon; Lee, Jiyun; Pullen, Sam; Enge, Per; Close, Sigrid, JOURNAL OF AIRCRAFT, v.49, no.2, pp.587 - 599, 2012-03 |
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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