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SYSTEM AND METHOD FOR MEASURING ROUND TRIP TIME BASED ON WIRELESS LOCAL AREA NETWORK

  • US 20120057481A1
  • Filed: 09/07/2011
  • Published: 03/08/2012
  • Est. Priority Date: 09/07/2010
  • Status: Abandoned Application
First Claim
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1. A system for measuring a round trip time (RTT) based on a wireless local area network (WLAN), the system comprising:

  • first and second signal time measuring devices respectively connected to two WLAN devices that perform WLAN communication and each measuring a signal time difference between a transmitted signal from each one of the two WLAN devices and a corresponding received signal at the other; and

    a RTT estimator for estimating a RTT using the measured signal time differences of the first and the second signal-time measuring devices.

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