Ranging estimation error in WiFi devices running IEEE 802.11mc
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Document typeConference report
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
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Indoor positioning is still considered an open issue, especially when general-purpose communication networks are used to observe the metrics for positioning. IEEE 802.11mc aims at providing positioning capabilities to Wi-Fi networks. Google recently developed a feature aimed at making easy to run the standard in any Android device; however, only few access points (APs) officially support and advertise it. It is proven, though, that a bunch of APs are able to attend the location requests from 802.11mc devices despite not announcing their positioning capabilities. An application is proposed here that effectively gathers a list of all the APs that may collaborate in the indoor positioning process. This work is aimed at studying the performance of the location error in a real scenario where Android Wi-Fi devices run the IEEE 802.11mc positioning facility. The results demonstrate that, although errors are smaller than 2 meters as promised, the performance greatly depends on the AP and the frequency band used.
CitationMartin-Escalona, I.; Zola, E. Ranging estimation error in WiFi devices running IEEE 802.11mc. A: IEEE Global Communications Conference. "IEEE Global Communications Conference (IEEE GLOBECOM 2020): Communications for Human and Machine Intelligence: Taipei, Taiwan: 7-11 december, 2020: proceedings". Institute of Electrical and Electronics Engineers (IEEE), 2020, p. 1-7. ISBN 978-1-7281-8299-5. DOI 10.1109/GLOBECOM42002.2020.9347973.
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