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Open AccessArticle

A Topology Reorganization Scheme for Reliable Communication in Underwater Wireless Sensor Networks Affected by Shadow Zones

Department of Telematics Engineering, Barcelona Tech University, Esteve Terradas, 7 - 08860 Castelldefels (Barcelona), Spain
Sensors 2009, 9(11), 8684-8708; https://doi.org/10.3390/s91108684
Received: 31 August 2009 / Revised: 8 October 2009 / Accepted: 19 October 2009 / Published: 29 October 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain)
Effective solutions should be devised to handle the effects of shadow zones in Underwater Wireless Sensor Networks (UWSNs). An adaptive topology reorganization scheme that maintains connectivity in multi-hop UWSNs affected by shadow zones has been developed in the context of two Spanish-funded research projects. A mathematical model has been proposed to find the optimal location for sensors with two objectives: the minimization of the transmission loss and the maintenance of network connectivity. The theoretical analysis and the numerical evaluations reveal that our scheme reduces the transmission loss under all propagation phenomena scenarios for all water depths in UWSNs and improves the signal-to-noise ratio. View Full-Text
Keywords: underwater sensor networks; shadow zones; transmission loss; optimal location underwater sensor networks; shadow zones; transmission loss; optimal location
MDPI and ACS Style

Domingo, M.C. A Topology Reorganization Scheme for Reliable Communication in Underwater Wireless Sensor Networks Affected by Shadow Zones. Sensors 2009, 9, 8684-8708.

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