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Calibration for wireless location system

  • US 6,184,829 B1
  • Filed: 01/08/1999
  • Issued: 02/06/2001
  • Est. Priority Date: 01/08/1999
  • Status: Expired due to Term
First Claim
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1. An external calibration method for a TDOA wireless location system (WLS), comprising the steps of:

  • transmitting a reference signal from a reference transmitter at a known location, receiving the reference signal at first and second receiver systems, determining an error value, and using the error value to correct subsequent TDOA measurements.

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