Abstract
Besides from existing global navigation satellite system (GNSS), several countries such as France, Indian, Japan and China have being developing their regional navigation satellite system (RNSS) in recent years. The Inclined Geosynchronous Orbit (IGSO) satellites with a big inclination angle play an important role in these RNSS constellations. The mathematical aspects of RNSS constellations are studied in this work. Analysis shows obvious anomaly solutions happen several times in everyday positioning. Therefore redundant satellites are needed in constellation optimization design for RNSS.
Highlights
Global Navigation Satellite System (GNSS) provides autonomous geo-spatial positioning with global coverage, which allows the user to determine their location within a few meters using signals transmitted from satellites
The Indian Regional Navigational Satellite System (IRNSS) is an autonomous regional satellite navigation system whose constellation is composed of Geostationary Earth Orbit (GEO) and Inclined Geosynchronous Orbit (IGSO) satellites, being developed by the Indian Space Research Organization
The Quasi-Zenith Satellite System (QZSS) with GEO and IGSO satellites is a proposed regional time transfer system and Satellite Based Augmentation System (SBAS) for Global Positioning System (GPS) which is available within Japan
Summary
Global Navigation Satellite System (GNSS) provides autonomous geo-spatial positioning with global coverage, which allows the user to determine their location within a few meters using signals transmitted from satellites. The constellation of regional BeiDou system is composed of GEO and IGSO satellites, which offers limited coverage and applications. It has been offering navigation services since 2012, mainly for users in China and neighboring regions. Considering that the constellations of IRNSS, QZSS, CAPS, and the regional BeiDou system is composed of IGSO satellites, mathematical aspects for these RNSS constellation is investigated in this paper.
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