Latitude Effect in Positioning Performance by Using BeiDou Regional Satellite Navigation System

JING Yifan; YANG Yuanxi; ZENG Anmin; MING Feng

doi:10.13203/j.whugis20150011

Volume 42 Issue 9

Sep. 2017

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Geomatics and Information Science of Wuhan University > 2017 > 42(9): 1243-1248. > DOI: 10.13203/j.whugis20150011

JING Yifan, YANG Yuanxi, ZENG Anmin, MING Feng. Latitude Effect in Positioning Performance by Using BeiDou Regional Satellite Navigation System[J]. Geomatics and Information Science of Wuhan University, 2017, 42(9): 1243-1248. DOI: 10.13203/j.whugis20150011

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Latitude Effect in Positioning Performance by Using BeiDou Regional Satellite Navigation System

JING Yifan^1,,
YANG Yuanxi^{2, 3},
ZENG Anmin^{1, 2, 4},
MING Feng¹

1.
Institute of Navigation and Space Target Engineering, Information Engineering University, Zhengzhou 450050, China
2.
State Key Laboratory of Geo-information Engineering, Xi'an 710054, China
3.
Beijing Institute of Satellite Navigation, Beijing 100049, China
4.
Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China

Funds:

The National Natural Science Foundation of China 41020144004

The National Natural Science Foundation of China 41474015

The National Natural Science Foundation of China 41374003

the Foundation of State Key Laboratory of Geo-information Engineering SKLGIE2015-Z-1-1

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Author Bio:
JING Yifan, postgraduate, specializes in theories and methods of GNSS fusion data processing. E-mail: jing_yi_fan@163.com
Received Date: July 17, 2016
Published Date: September 04, 2017

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Abstract

Abstract

The Beidou Regional Satellite Navigation System (BDS) has an uneven distributed constellation, containing five satellites in geostationary earth orbit, five in inclined geosynchronous orbits and four in medium earth orbits. With this hybrid constellation, the quantity and the geometrical structure of observed BDS satellites are different at different latitudes. The latitude effect in BDS application performance of positioning and navigation; In this paper, theoretical models and actual observations are described to analyze the difference in quantity and geometrical structure of observed BDS satellites and the performance of positioning and navigation at different latitudes. An experiment was conducted at different latitudes with receivers from separate companies. The result shows the latitude effect and impact in BDS applications, which means BDS positioning accuracy decreases with increasedlatitude. In contrast, there is no obvious latitude effect in Global Positioning System (GPS) applications. The implementation of BDS/GPS data fusion weakens latitudinal impacts on the results and improves the accuracy and reliability of navigation and positioning services.
- BDS,
- latitude effect,
- positioning performance,
- fusion positioning

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References (21)

References

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