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  Widar2.0: passive human tracking with a single Wi-Fi link
Qian K., Wu C., Zhang Y., Zhang G., Yang Z., Liu Y.  MobiSys 2018 (Proceedings of the 16th Annual International Conference on Mobile Systems, Applications, and Services, Munich, Germany,  Jun 10-15, 2018) 350-361, 2018. Type: Proceedings

This work demonstrates that it is possible to track the location of a person, with sub-meter accuracy, using only one single Wi-Fi link between a pair of commercial off-the-shelf (COTS) Wi-Fi devices (“one access point plus one client”...
Jun 22 2021  
  Beyond triangle inequality: sifting noisy and outlier distance measurements for localization
Yang Z., Jian L., Wu C., Liu Y.  ACM Transactions on Sensor Networks 9(2): 1-20, 2013. Type: Article

This paper provides a new algorithm to detect outliers in ranging values measured between mobile devices. The topic is important because when it becomes necessary to perform localization based on the measured distances between nodes (typically bet...
Sep 6 2013  

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