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Time of arrival (TOA) estimation for positioning in a wireless communication network

  • US 9,037,155 B2
  • Filed: 10/26/2009
  • Issued: 05/19/2015
  • Est. Priority Date: 10/28/2008
  • Status: Active Grant
First Claim
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1. A method of supporting positioning, comprising:

  • receiving a plurality of signals from a transmitter of a plurality of transmitters, the plurality of signals comprising a first signal received on a first set of subcarriers and a second signal received on a second set of subcarriers;

    performing correlation for the first signal to obtain first correlation results for a plurality of time offsets;

    performing correlation for the second signal to obtain second correlation results for the plurality of time offsets; and

    determining a time of arrival (TOA) of the plurality of signals based at least in part on results of combining the first correlation results and the second correlation results.

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