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An Energy Efficient Localization-Free Routing Protocol for Underwater Wireless Sensor Networks

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  • Abdul Wahid
  • Dongkyun Kim

Abstract

Recently, underwater wireless sensor networks (UWSNs) have attracted much research attention from both academia and industry, in order to explore the vast underwater environment. UWSNs have peculiar characteristics; that is, they have large propagation delay, high error rate, low bandwidth, and limited energy. Therefore, designing network/routing protocols for UWSNs is very challenging. Also, in UWSNs, improving the energy efficiency is one of the most important issues since the replacement of the batteries of underwater sensor nodes is very expensive due to the unpleasant underwater environment. In this paper, we therefore propose an energy efficient routing protocol, named (energy-efficient depth-based routing protocol) EEDBR for UWSNs. EEDBR utilizes the depth of sensor nodes for forwarding data packets. Furthermore, the residual energy of sensor nodes is also taken into account in order to improve the network lifetime. Based on the comprehensive simulation using NS2, we observe that EEDBR contributes to the performance improvements in terms of the network lifetime, energy consumption, and end-to-end delay. A previous version of this paper was accepted in AST-2011 conference.

Suggested Citation

  • Abdul Wahid & Dongkyun Kim, 2012. "An Energy Efficient Localization-Free Routing Protocol for Underwater Wireless Sensor Networks," International Journal of Distributed Sensor Networks, , vol. 8(4), pages 307246-3072, April.
    • Handle: RePEc:sae:intdis:v:8:y:2012:i:4:p:307246
    DOI: 10.1155/2012/307246
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