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Method for measuring distance and position using spread spectrum signal, and an equipment using the method

  • US 6,900,753 B2
  • Filed: 10/08/2003
  • Issued: 05/31/2005
  • Est. Priority Date: 06/27/2000
  • Status: Expired due to Term
First Claim
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1. A mobile terminal in a terminal positioning system having a mobile terminal and a plurality of base stations, comprising:

  • a signal receiver for receiving at least a signal transmitted from one of said plurality of base stations;

    a delay profile calculator for calculating a correlation value between the received signal and a predetermined code to generate a delay profile representing a correlation between said received signal and said predetermined code; and

    a reference timing detector for determining a reference timing according to a value of said delay profile, wherein a received timing of said received signal is determined based on said reference timing, and a position of said mobile terminal is calculated using said received timing.

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