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Opportunistic multipath routing protocol in mobile Ad hoc networks


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Opportunistic multipath routing protocol in mobile Ad hoc networks
Dong PingQian HuanyanLan Shaohua
School of Computer Science and Engineering,NUST,Nanjing 210094,China
mobile Ad hoc networks multipath opportunistic routing geo-distance
To solve the problem of mobile Ad hoc networks that too many control messages are generated with increased distances between source nodes and destination nodes for networks of large scale,a novel multipath routing protocol called geo-distance based opportunistic multipath routing(GOMR)is proposed for constructing maximally node-disjoint multiple paths.In the proposed scheme,each node discovers multiple paths and forwards data packets within separated sub-zones parted by ellipse curves.A distributed forwarding strategy is presented by applying the opportunistic routing mechanism and using geo-distances as routing measures.Simulation results show that the GOMR adapts to the dynamic network topology better.In high-speed mobile topology,the GOMR reduces the average end-to-end delay and keeps the packet delivery ratio more than 98% with less control overhead.


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Last Update: 2013-03-25