Cluster Based Location-Aided Routing Protocol for Large Scale Mobile Ad Hoc Networks
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概要
- 論文の詳細を見る
Routing algorithms with low overhead, stable link and independence of the total number of nodes in the network are essential for the design and operation of the large-scale wireless mobile ad hoc networks (MANET). In this paper, we develop and analyze the Cluster Based Location-Aided Routing Protocol for MANET (C-LAR), a scalable and effective routing algorithm for MANET. C-LAR runs on top of an adaptive cluster cover of the MANET, which can be created and maintained using, for instance, the weight-based distributed algorithm. This algorithm takes into consideration the node degree, mobility, relative distance, battery power and link stability of mobile nodes. The hierarchical structure stabilizes the end-to-end communication paths and improves the networks scalability such that the routing overhead does not become tremendous in large scale MANET. The clusterheads form a connected virtual backbone in the network, determine the networks topology and stability, and provide an efficient approach to minimizing the flooding traffic during route discovery and speeding up this process as well. Furthermore, it is fascinating and important to investigate how to control the total number of nodes participating in a routing establishment process so as to improve the network layer performance of MANET. C-LAR is to use geographical location information provided by Global Position System to assist routing. The location information of destination node is used to predict a smaller rectangle, isosceles triangle, or circle request zone, which is selected according to the relative location of the source and the destination, that covers the estimated region in which the destination may be located. Thus, instead of searching the route in the entire network blindly, C-LAR confines the route searching space into a much smaller estimated range. Simulation results have shown that C-LAR outperforms other protocols significantly in route set up time, routing overhead, mean delay and packet collision, and simultaneously maintains low average end-to-end delay, high success delivery ratio, low control overhead, as well as low route discovery frequency.
- （社）電子情報通信学会の論文
- 2009-05-01
著者
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Yang Xinyu
School Of Elec. And Info. Engineering Xi'an Jiaotong University
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ZHANG Deyun
School of Information & Engineering of East China Jiaotong University
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Zhang Deyun
School Of Elec. And Info. Engineering Xi'an Jiaotong University
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WANG Yi
School of Elec. and Info. Engineering, Xi'an Jiaotong University
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DONG Liang
Institute for Infocomm Research
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LIANG Taotao
School of Elec. and Info. Engineering, Xi'an Jiaotong University
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Liang Taotao
School Of Elec. And Info. Engineering Xi'an Jiaotong University
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Wang Yi
School Of Elec. And Info. Engineering Xi'an Jiaotong University
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Wang Yi
School of Civil and Environmental Engineering, Nanyang Technological University
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Wang Yi
School of Chemistry, University of Science & Technology of China
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