Space-Based Augmentation for Global Navigation Satellite Systems

被引：13
作者：
Grewal, Mohinder S. [1 ]
机构：
[1] Calif State Univ Fullerton, Dept Elect Engn, Fullerton, CA 92634 USA
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2012年 / 59卷 / 03期
关键词：
D O I：
10.1109/TUFFC.2012.2220
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper describes space-based augmentation for global navigation satellite systems (GNSS). Space-based augmentations increase the accuracy and integrity of the GNSS, thereby enhancing users' safety. The corrections for ephemeris, ionospheric delay, and clocks are calculated from reference station measurements of GNSS data in wide-area master stations and broadcast via geostationary earth orbit (GEO) satellites. This paper discusses the clock models, satellite orbit determination, ionospheric delay estimation, multipath mitigation, and GEO uplink subsystem (GUS) as used in the Wide Area Augmentation System developed by the FAA.
引用
收藏
页码：497 / 503
页数：7
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