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Snooping Sensor STA or Neighbor AP Ranging and Positioning in Wireless Local Area Networks

  • US 20150139212A1
  • Filed: 10/16/2014
  • Published: 05/21/2015
  • Est. Priority Date: 10/17/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • (a) establishing a fine timing measurement (FTM) procedure between an initiating wireless device and a responding wireless device in an indoor wireless local area network (WLAN);

    (b) exchanging FTM frames with the responding wireless device and thereby receiving a first set of timestamps from the responding wireless device;

    (c) receiving a second set of timestamps associated with the exchanged FTM frames from one or more listing wireless devices; and

    (d) determining location information based on the first set and the second set of timestamps.

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