Route discovery in ad-hoc networks with data packets
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United States of America Patent
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N/A
Issued Date -
Feb 17, 2005
app pub date -
Aug 12, 2003
filing date -
Aug 12, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A route from a source node to a destination is discovered in an ad hoc network by having the source node generate a data packet including its source address, the destination address, and a field indicating that the source node requests route information from the source node to the destination node. The data packet is forwarded through the network until the data packet is received by the destination node. In response, the destination node generates a route reply packet including the route information. The route information can include a cost. The route reply packet is forwarded through the network until the route reply packet is received by the source node. During the forwarding, multiple route reply packets can be generated with different costs. The source node can then make cost calculations to select a best route based on the costs.
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