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QZSS Regional Navigation System Visibility and Solution Experience from India

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Abstract

In a multi-GNSS environment, users are exploiting the benefits of hybrid multi-constellation GNSS operation for redundancy and enhanced solution quality. The Indian geolocation helps in signal availability from all global and regional systems, but no study on the usability and advantages of the Japanese Quasi-Zenith Satellite System (QZSS) is made from India. This work presents the first results on the availability and advantages of QZSS from India based on simulations and real-time data. It is observed that 2–4 QZSS satellites can always be used from India. In static Single Point Positioning (SPS), QZSS in hybrid operation provides better solution quality over any single global constellation operation and GPS + Galileo + QZSS provides around 1 m 2-dimensional solution precision. The results would be useful for Indian GNSS user community.

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Acknowledgements

Authors acknowledge financial support from Integrated Test Range (ITR), Defence Research and Development Organization (DRDO) (Project Code: PMD/CARS/050/2020) and the developers of the freeware Orbitron.

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Authors and Affiliations

  1. GNSS Laboratory, Department of Physics, The University of Burdwan, Burdwan, 713 104, India

    Somnath Mahato & Anindya Bose

  2. Department of ECE, Dr. B. C. Roy Engineering College, Durgapur, 713 206, India

    Debipriya Dutta

  3. Radar System Group, Integrated Test Range, D.R.D.O, Chandipur, 756 025, India

    Mrinal Goswami

  4. Department of ECE, National Institute of Technology Sikkim, Ravangla, 737 139, India

    Somnath Mahato & Surajit Kundu

Authors
  1. Somnath Mahato
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  2. Debipriya Dutta
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  3. Mrinal Goswami
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  4. Surajit Kundu
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  5. Anindya Bose
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Correspondence to Anindya Bose.

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Significance Statement In multi-GNSS, users utilize hybrid operation to exploit the advantages. Based on the experience of regional navigation systems’ advantages, for the first time the usability and advantages of the regional QZSS developed by Japan is explored from India. Potentials and advantages of QZSS from India are demonstrated through the results.

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Mahato, S., Dutta, D., Goswami, M. et al. QZSS Regional Navigation System Visibility and Solution Experience from India. Natl. Acad. Sci. Lett. 46, 61–64 (2023). https://doi.org/10.1007/s40009-022-01150-6

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  • DOI: https://doi.org/10.1007/s40009-022-01150-6

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