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GPS Error Correction by Multipath Adaptation

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Abstract

From the point of view of safety applications, accurate and reliable positioning system for road users is the most important part. Although GPSs are the most widely utilized technology today, they still have the problems of performance degradation caused by multipath propagation in urban canyons. This study proposes an approach to estimate position by searching around the result of GPS. The proposed algorithm evaluates the pseudoranges of the possible multipath signals by referring to the building geometry. The assumed position is estimated by using received pseudoranges and is evaluated by the likelihood of the possible positioning error and filtering algorithm. The proposed method was verified through field experiments in urban canyons in Tokyo.

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Authors and Affiliations

  1. Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, Japan

    Shunsuke Miura & Shunsuke Kamijo

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  1. Shunsuke Miura
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  2. Shunsuke Kamijo
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Correspondence to Shunsuke Miura.

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Miura, S., Kamijo, S. GPS Error Correction by Multipath Adaptation. Int. J. ITS Res. 13, 1–8 (2015). https://doi.org/10.1007/s13177-013-0073-9

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  • DOI: https://doi.org/10.1007/s13177-013-0073-9

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