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Grid-based trasnmission system

  • US 20070073483A1
  • Filed: 11/14/2003
  • Published: 03/29/2007
  • Est. Priority Date: 04/28/2003
  • Status: Active Grant
First Claim
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1. A grid-based transmission system for determining relative positions of vehicles from their absolute positions in a quadrangle of a reference grid, each vehicle having a transmitter and a receiver, comprising:

  • a) determining an absolute position of a first vehicle;

    b) obtaining the reference grid;

    c) assigning a reference point in the reference grid;

    d) generating a relative position of the first vehicle relative to the reference point; and

    e) the first vehicle transmitting a position message containing the relative position.

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