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An Underwater Wireless Sensor Network with Realistic Radio Frequency Path Loss Model

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  • Ghaith Hattab
  • Mohamed El-Tarhuni
  • Moutaz Al-Ali
  • Tarek Joudeh
  • Nasser Qaddoumi

Abstract

We propose an Underwater Wireless Sensor Network (UWSN) for near-shore applications using electromagnetic waves (EM). We also introduce a realistic path loss model for estimating the attenuation encountered by EM waves in underwater environments. The proposed model takes into account the variation of the seawater complex-valued relative permittivity with frequency in contrast to previous work that treats the permittivity as a real-valued constant parameter. Furthermore, the proposed model accounts for the impedance mismatch at the seawater-air boundary, which results in a more realistic estimate of the signal attenuation. Simulation results show the expected signal levels underwater for different scenarios. A prototype implementation to measure the path loss is also presented.

Suggested Citation

  • Ghaith Hattab & Mohamed El-Tarhuni & Moutaz Al-Ali & Tarek Joudeh & Nasser Qaddoumi, 2013. "An Underwater Wireless Sensor Network with Realistic Radio Frequency Path Loss Model," International Journal of Distributed Sensor Networks, , vol. 9(3), pages 508708-5087, March.
    • Handle: RePEc:sae:intdis:v:9:y:2013:i:3:p:508708
    DOI: 10.1155/2013/508708
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