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Modernization milestone: BeiDou M2-S initial signal analysis

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Abstract

The successful launch of two new-generation satellites of the BeiDou Navigation Satellite System (BDS), named BeiDou M1-S and BeiDou M2-S, marks another step in expanding BeiDou into a navigation system with global coverage. An initial characterization and analysis of the navigation signals transmitted by BeiDou M2-S is presented. For data collection, a 7.3-m high-gain antenna of the National University of Defense Technology (NUDT) ground station in Changsha (China) has been used to record the signal spectrum and the modulated chip sequences. Based on a prototype receiver, code and phase observations of BeiDou M2-S have also been collected for further analysis. The signal quality and performance of this new-generation BDS satellite are described and analyzed; a backward compatibility with older-generation satellite signals is shown.

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Acknowledgments

The authors would like to express their appreciation to the School of Electronic Science and Engineering in NUDT for providing the opportunity to use the 7.3-m high-gain antenna and prototype receivers. The anonymous reviewers for helpful review comments that substantially improved this manuscript should also be gratefully acknowledged.

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Authors and Affiliations

  1. School of Electronic Science and Engineering, National University of Defense Technology, Changsha, 410073, China

    Wei Xiao, Wenxiang Liu & Guangfu Sun

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  1. Wei Xiao
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  2. Wenxiang Liu
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  3. Guangfu Sun
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Correspondence to Wei Xiao.

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Xiao, W., Liu, W. & Sun, G. Modernization milestone: BeiDou M2-S initial signal analysis. GPS Solut 20, 125–133 (2016). https://doi.org/10.1007/s10291-015-0496-7

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  • DOI: https://doi.org/10.1007/s10291-015-0496-7

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