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题名: DRP: An Energy-Efficient Routing Protocol for Underwater Sensor Networks
作者: Chih-Min Chao
Cheng-Hong Jiang
Wei-Che Li
贡献者: 國立臺灣海洋大學:資訊工程學系
NTOU:Department of Computer Science and Engineering
关键词: energy-efficient routing protocol
network lifetime
transmission collisions
underwater sensor networks
日期: 2017-10
上传时间: 2018-01-30T06:49:20Z
出版者: International Journal of Communication Systems
摘要: Abstract:
The features of transmissions in underwater sensor networks (UWSNs) include lower transmission rate, longer delay time, and higher power consumption when compared with terrestrial radio transmissions. The negative effects of transmission collisions deteriorate in such environments. Existing UWSN routing protocols do not consider the transmission collision probability differences resulting from different transmission distances. In this paper, we show that collision probability plays an important role in route selection and propose an energy-efficient routing protocol (DRP), which considers the distance-varied collision probability as well as each node's residual energy. Considering these 2 issues, DRP can find a path with high successful transmission rate and high-residual energy. In fact, DRP can find the path producing the longest network lifetime, which we have confirmed through theoretical analysis. To the best of our knowledge, DRP is the first UWSN routing protocol that uses transmission collision probability as a factor in route selection. Simulation results verify that DRP extends network lifetime, increases network throughput, and reduces end-to-end delay when compared with solutions without considering distance-varied collision probability or residual energy.
關聯: 30(15)
显示于类别:[資訊工程學系] 期刊論文


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