Turn restriction handling enhancement
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United States of America Patent
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Oct 17, 2006
Issued Date -
N/A
app pub date -
Dec 27, 2002
filing date -
Dec 28, 2001
priority date (Note) -
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Abstract
A method, apparatus, and article of manufacture determine a path on a network. A Global search is commenced for one or more Global paths on the network. Thereafter, when a turn restriction on a first node on the network exists, a hidden node that is not reachable from the first node due to the turn restriction is detected. A Local search commences from the hidden node in a reverse direction creating a Local search path. When the Local search can connect to the Global search, the Local search path is converted to a new Global path, and added as an alternative to the Global search.
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