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Methods and systems for enhanced round trip time (RTT) exchange

  • US 9,699,052 B2
  • Filed: 05/22/2014
  • Issued: 07/04/2017
  • Est. Priority Date: 05/30/2013
  • Status: Active Grant
First Claim
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1. A method comprising, at a first wireless transceiver device:

  • transmitting a fine timing measurement request message to a second wireless transceiver device, the fine timing measurement request message comprising at least one field specifying at least one physical signal characteristic of one or more fine timing measurement messages requested for transmission from the second wireless transceiver device in response to the fine timing measurement request message;

    calculating a round trip time (RTT) measurement based, at least in part, on the one or more fine timing measurement messages requested for transmission; and

    performing a positioning operation based, at least in part, on the calculated RTT measurement, to determine a location of the first wireless transceiver device.

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