Recycling Sampling Timing Offset of Wi-Fi for Estimating Multiple ToFs of Superimposed Signal

Jaegook Lee, Jio Gim,Young Deok Park,Young-Joo Suh

IEEE Communications Letters（2021）

引用 3|浏览5

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摘要

Many Wi-Fi based device free localization (DFL) methods have been proposed for indoor location based services. Unfortunately, the received signal is superimposed with Line-of-Sight signal and reflections so that multi target DFL is only possible by estimating the time of flight (ToF) of each signal. To estimate multiple ToFs, we utilize the sampling timing offset (STO) that inherently occurs by as...

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关键词

Signal resolution,Timing,Estimation,Wireless fidelity,Correlation,Location awareness,Channel estimation

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