iAMCTD: Improved Adaptive Mobility of Courier Nodes in Threshold-Optimized DBR Protocol for Underwater Wireless Sensor Networks

N. Javaid, M. R. Jafri, Z. A. Khan, U. Qasim, T. A. Alghamdi and M. Ali

International Journal of Distributed Sensor Networks, 2014, vol. 10, issue 11, 213012

Abstract: We propose forwarding-function ( F F ) based routing protocol for underwater sensor networks (UWSNs): improved adaptive mobility of courier nodes in threshold-optimized depth-based-routing (iAMCTD). Unlike existing depth-based acoustic protocols, the proposed protocol exploits network density for time-critical applications. In order to tackle flooding, path loss, and propagation latency, we calculate optimal holding time ( H T ) and use routing metrics: localization-free signal-to-noise ratio (LSNR), signal quality index (SQI), energy cost function (ECF), and depth-dependent function (DDF). Our proposal provides on-demand routing by formulating hard threshold ( H th ), soft threshold ( S th ), and prime energy limit ( R prime ). Simulation results verify effectiveness and efficiency of the proposed iAMCTD.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:sae:intdis:v:10:y:2014:i:11:p:213012

DOI: 10.1155/2014/213012

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