Multi-path routing method for wireless network based on network encoding
A network coding and wireless network technology, applied in the field of wireless networks, can solve the problems of not making good use of coding opportunities and not fully utilizing the network throughput.
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[0016] The invention first discovers all the routes from the source node to the target node, and then selects through the comparison of path switching benefits, which is mainly realized by a route discovery algorithm and a path selection algorithm.
[0017] (1) Route discovery algorithm
[0018] Route discovery method - extended dynamic source routing EDSR (Extended Dynamic Source Routing), evolved from dynamic source routing DSR (Dynamic Source Routing), such as figure 1 , which differs from DSR in that it adds link-related information to the routing request packet before it is rebroadcasted. After the neighbor node receives the routing request, the node adds the ETX (Expected Transmission Count) information of the last link to the routing request data packet, and then forwards it. If a node receives a duplicate routing request, it will simply be discarded.
[0019] When the target node receives the routing request, it sends a routing response including the discovered route...
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