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System and method for position determination by impulse radio

  • US 7,710,320 B2
  • Filed: 10/31/2007
  • Issued: 05/04/2010
  • Est. Priority Date: 03/23/1998
  • Status: Expired due to Fees
First Claim
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1. A method for producing a first time base for a first ultra wideband radio, said method comprising the steps of:

  • a. obtaining a time reference signal;

    b. phase locking a clock signal to said time reference signal to produce said first time base; and

    c. counting down said clock signal using a counter to produce said first time base, wherein said counter is a binary counter and has a modulo count equal to a modulo repeat length of a code corresponding to a ultra wideband signal.

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