Up-Down Links Dualpath Greedy Routing Protocol for Wireless Sensor Networks |
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| Authors: | Chen Xu Lei Cao Zhihua Bao Shengliang Zhu Guoan Zhang Hui Zhou |
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| Affiliation: | 1. School of Electronic and Information Engineering, Nantong University, Nantong, China
2. Department of Information Engineering, Jiangsu Mobile Communication Corporation (JMCC), Nanjing, China
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| Abstract: | Greedy geographic routing is attractive in wireless sensor networks because of its efficiency and scalability. This paper
presents an up-down links dualpath greedy routing (UDLDGR) protocol for wireless sensor networks. The routing protocol not
only reserves the features of greedy forwarding algorithm, which is simple, efficient, but also uses different relay nodes
to serve as routing nodes for up and down routing paths, makes the energy consumption more balanced. The greatest advantage
of UDLDGR is it trades off only small cost for the source node to obtain two different transmission paths information. The
multipath strengthens the network reliability, such as load balancing and robustness to failures. Our simulation results show
that UDLDGR can improve system lifetime by 20–100% compared to single path approaches. |
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