Probability of outlier analysis in weak GPS signal acquisition |
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| Authors: | Kia Fallahi Donglin Wang Michel Fattouche |
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| Institution: | 1. Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Italy;2. Department of Earth and Planetary Science, University of California, Berkeley, CA, USA;3. Department of Terrestrial Magnetism, Carnegie Institution for Science, Washington, DC, USA;4. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA |
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| Abstract: | In this paper, global positioning system (GPS) signal acquisition is investigated under weak signal conditions, when a catastrophic deterioration in performance begins to occur causing outliers to happen in range estimation. The paper compares conventional detection techniques in GPS signal acquisition. The theoretical probability of outlier is derived for GPS Gold code and compared to the probability of outlier using Monte Carlo simulation. In addition, the theoretical probability of outlier for coherent detection technique is also derived. A novel binary hypothesis test is introduced which is used to generate a new set of curves to analyze the performance of detectors in weak signal conditions. |
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