Scalable unidirectional routing with zone routing protocol extensions for mobile AD-HOC networks
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United States of America Patent
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Jan 24, 2006
Grant Date -
Oct 25, 2001
app pub date -
Jan 18, 2001
filing date -
Feb 12, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a method and apparatus for extending a zone routing protocol. The invention is configured to provide a robust scalable framework for routing data in wireless ad-hoc networks when unidirectional links 210 are present. When the reverse path from a destination node (the tail) of a unidirectional link 210 to the originating node (the head) of the link is beyond a designated length, the invention is configured to revert to an on-demand search mechanism. The on-demand search mechanism recursively attempts to build a path to the destination 206 by recognizing nodes that have a route to the destination.
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