×

Calibration for wireless location system

  • US 20020172223A1
  • Filed: 05/21/2002
  • Published: 11/21/2002
  • Est. Priority Date: 01/08/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. An external calibration method for a TDOA wireless location system (WLS), comprising the steps of:

  • transmitting a reference signal, receiving the reference signal at first and second receivers, determining an error value, and using the error value to correct subsequent TDOA measurements.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×