Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2006-05-30
2006-05-30
Nguyen, Thu V. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
Reexamination Certificate
active
07054742
ABSTRACT:
A method for route calculation using real time traffic conditions is disclosed. A transmission that includes weightings indicative of traffic conditions on roads is received. Then, a solution route is calculated by forming a list of road segments. The list is formed by expanding a search tree comprised of gates. Each gate represents a physical location on a road segment and an accessible direction relative thereto. Each gate to which a weighting applies is incremented by an amount indicated in the transmission. The solution route is determined by expanding the search tree, which includes determining and evaluating successor gates.
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Khavakh Asta
McDonough William
Voloshin Oleg
Wang Yaoguang
Kaplan Lawrence M.
Kozak Frank J.
Navteq North America, LLC
Nguyen Thu V.
Shutter Jon D.
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