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Title: DRP: An Energy-Efficient Routing Protocol for Underwater Sensor Networks
Authors: Chih-Min Chao
Cheng-Hong Jiang
Wei-Che Li
Contributors: 國立臺灣海洋大學:資訊工程學系
NTOU:Department of Computer Science and Engineering
Keywords: energy-efficient routing protocol
network lifetime
transmission collisions
underwater sensor networks
Date: 2017-10
Issue Date: 2018-01-30T06:49:20Z
Publisher: International Journal of Communication Systems
Abstract: 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.
Relation: 30(15)
Appears in Collections:[Department of Computer Science and Engineering] Periodical Articles

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