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Method and system for calculating a transmitted signal characteristic in an environmental model

  • US 5,831,874 A
  • Filed: 05/31/1996
  • Issued: 11/03/1998
  • Est. Priority Date: 05/31/1996
  • Status: Expired due to Fees
First Claim
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1. A method for calculating a transmitted signal characteristic in an environmental model, said method comprising the steps of:

  • selecting an environment model that locates at least one object in relation to a transmitter;

    creating a parent image node in an image tree, wherein said parent image node is associated with said transmitter;

    creating child image nodes in said image tree only for each object that can redirect a propagating signal from said transmitter with a signal characteristic exceeding a threshold, said child image node being associated with an object energized by said transmitter and a corresponding child image in said environment model;

    selecting a point of interest in said environmental model; and

    accounting for contributions to said signal characteristic at said selected point of interest from each of said child images corresponding to said child image nodes.

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