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TRANSMITTER AND RECEIVER SYNCHRONIZATION FOR WIRELESS TELEMETRY SYSTEMS

  • US 20120250461A1
  • Filed: 03/30/2011
  • Published: 10/04/2012
  • Est. Priority Date: 03/30/2011
  • Status: Abandoned Application
First Claim
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1. A method of transmitting data along tubing in a borehole, the method comprising the steps of:

  • (i) transmitting an acoustic message containing data by a first modem at a first location on the tubing at a first frequency and a first bit rate selected from a predetermined group of at least two frequencies and at least two bit rates;

    (ii) receiving the acoustic message by a second modem at a second location on the tubing, and detecting the first frequency of the acoustic message by receiver electronics of the second modem; and

    (iii) synchronizing the acoustic message with the detected first frequency and in parallel with at least two bit rates by the receiver electronics of the second modem.

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