A differential augmentation method based on aerostat reference stations

Zhengfa Shi; Yingkui Gong; Xiao Chen

doi:10.1117/12.2230843

26 January 2016 A differential augmentation method based on aerostat reference stations

Zhengfa Shi, Yingkui Gong, Xiao Chen

Proceedings Volume 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015; 979627 (2016) https://doi.org/10.1117/12.2230843
Event: Selected Proceedings of the Chinese Society for Optical Engineering Conferences held November 2015, 2015, Various, China

Abstract

Ground based regional augmentation systems is unable to cover regions such as the oceans, mountains and deserts. And its signal is vulnerable of building block. Besides, its positioning precision for high airspace object is limited. To settle such problems, a Differential augmentation method based on troposphere error corrections using aerostat reference stations is proposed. This method utilizes altitudes of mobile station and aerostat station to estimate troposphere delay errors, resulting in troposphere delay difference value between mobile stations and aerostat reference stations. With the aid of satellite navigation information of mobile stations and aerostat station and both troposphere delay difference values, mobile stations’ positioning precision is enhanced by eliminating measurement errors (Satellite clock error, Ephemeris error, Ionospheric delay error, Tropospheric delay error) after differential. It is showed by simulation test that aerostat reference station Differential augmentation method based on tropospheric error corrections improves 3D positioning precision of mobile station to within 2m.

Citation Download Citation

Zhengfa Shi, Yingkui Gong, and Xiao Chen "A differential augmentation method based on aerostat reference stations", Proc. SPIE 9796, Selected Papers of the Photoelectronic Technology Committee Conferences held November 2015, 979627 (26 January 2016); https://doi.org/10.1117/12.2230843

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KEYWORDS

Satellites

Satellite navigation systems

3D modeling

Troposphere

Receivers

Clocks

Error analysis

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