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SYSTEM AND METHOD FOR SYNCHRONIZING WIRELESS DEVICES WITHOUT SENDING TIMESTAMP DATA

  • US 20130336205A1
  • Filed: 06/13/2012
  • Published: 12/19/2013
  • Est. Priority Date: 06/13/2012
  • Status: Active Grant
First Claim
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1. A method for synchronizing a plurality of wireless devices without exchanging timestamp information, wherein each wireless device has a clock, the method comprising the steps of:

  • receiving, at the plurality of wireless devices, a series of data acquisition requests having a predefined time interval between the data acquisition requests, wherein each data acquisition request includes an index;

    recording timestamps for each received request according to the clock of each wireless device;

    determining a clock value to start data acquisition for each timestamp at each wireless device based on the timestamps, the respective index, and the predefined time interval; and

    selecting a minimum clock value for each wireless device from the respective clock values as an instant to start data acquisition for the respective wireless device.

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