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Energy-Efficient Cooperative Routing in Underwater Acoustic Sensor Networks

Hoa Tran-Dang and Dong-Seong Kim
Dept. of IT Convergence, School of Electronic Engineering, Kumoh National Institute of Technology, Gumi, South Korea
Abstract—This paper investigates performance of multi-hop underwater acoustic sensor networks when they deploy routing algorithms combining with cooperative communication. Taking into account energy efficiency, the routing schemes are discriminated by different policies of selecting next hop nodes as well as relay nodes of one-hop cooperative communications such that the transmission energy of routing paths is minimized. In order to take full advantage of broadcast nature in wireless communication, we propose to use a node exploited as a joint relay for two hop cooperative communication. Simulation results show that under specific conditions of acoustic channel, the network employing the proposed scheme achieves higher energy efficiency and balance of energy consumption among nodes while guaranteeing the desired data rate.
 
Index Terms—Underwater Acoustic Sensor Network (UW-ASN), cooperative communication, energy efficiency, multi-hop network, power control, cooperative routing
 
Cite: Hoa Tran-Dang and Dong-Seong Kim, "Energy-Efficient Cooperative Routing in Underwater Acoustic Sensor Networks," Journal of Advances in Information Technology, Vol. 10, No. 4, pp. 137-141, November 2019. doi: 10.12720/jait.10.4.137-141
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