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- W2076371796 abstract "In this paper, we present an indoor 3D positioning method for smartphones using acoustic signals. In our proposed 3D Frequency Division Multiplexing--Phase Accordance Method (3D FDM--PAM), four speakers simultaneously emit burst signals comprising two carrier waves at different frequencies to enable the rapid calculation of the position of the smartphone. Through experiments, we show that 3D FDM--PAM can achieve a standard deviation of less than 2.8 cm at 7.8 measurements per second. The worst positioning error was 48.3 cm at the 95th percentile. We investigate the causes of error and discuss potential improvements to the localization performance." @default.
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- W2076371796 date "2014-09-13" @default.
- W2076371796 modified "2023-09-30" @default.
- W2076371796 title "3D FDM-PAM" @default.
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- W2076371796 doi "https://doi.org/10.1145/2638728.2638758" @default.
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