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《Journal of South China University of Technology(Natural Science Edition)》 2007-01
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Hybrid Routing Algorithm for MANET Based on Position and Topology Information

Cao Ying-lie~1 Xie Sheng-li~1 Qiu Hong-yan~2 (1.School of Electronic and Information Engineering,South China Univ.of Tech.,Guangzhou 510640,Guangdong,China;2.NO.7 Research Institute,China Electronics Tech.Group Corporation,Guangzhou 510310,Guangdong,China)  
The routing maintenance is often invoked in mobile Ad Hoc network because the constructed routings using topology-based routing protocols often break.Moreover,the position-based routing algorithms need neither the construction nor the maintenance of routings,but they need location service to get the position information of the destination.To solve these problems,this paper proposes a hybrid routing algorithm based on topology and position information,which can obtain the position information of some nodes in the process of routing construction without special location service.When the constructed routing fails,the source can send data packets directly through the position-based forwarding strategy if it possesses the position information of the destination.Simulated experiments show that the proposed algorithm reduces the time of routing maintenance,decreases the overhead and improves the performance of routing.
【Fund】: 国家自然科学基金资助项目(60274006);; 广东省自然科学基金资助项目(020826);; 国家杰出青年科学基金资助项目(60325310)
【CateGory Index】: TN929.5
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