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An AODV Re-route Methods for Low-Retransmission in Wireless Sensor Networks  

Son, Nam-Rye (목포대학교 정보산업연구소)
Jung, Min-A (목포대학교 컴퓨터공학과)
Lee, Sung-Ro (목포대학교 정보전자공학)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.35, no.9A, 2010 , pp. 844-851 More about this Journal
Abstract
Recently, AODV routing protocol which one of the table driven method for the purpose data transmission between nodes has been broadly used in mobile wireless sensor networks. An existing AODV has a little overhead of routing packets because of keeping the routing table for activity route and re-routes to recovery the routes in route discontinuation. However that has faults in that excesses useless of the network bandwidth to recovery the route and takes a lone time to recovery the route. This paper proposes an efficient route recovery method for AODV based on wireless sensor networks in connection breaks. The proposed method. The propose method controls the number of RREQ message considering the energy's node and distance between nodes to restrict the flooding range of RREQ message while expanding the range of local repair. In test results, the proposed method are compared to existing method, the number of drops decrease 15.43% and the delay time for re-route decrease 0.20sec.
Keywords
AODV; RREQ; RREP;
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