A new approach to design of weather disruption-tolerant wireless mesh networks

Jacek Rak ()
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Jacek Rak: Gdansk University of Technology

Telecommunication Systems: Modelling, Analysis, Design and Management, 2016, vol. 61, issue 2, No 9, 323 pages

Abstract: Abstract Wireless Mesh Networks, offering transmission rates of 1–10 Gb/s per a millimeter-wave link (utilizing the 71–86 GHz band) seem to be a promising alternative to fiber optic backbone metropolitan area networks because of significantly lower costs of deployment and maintenance. However, despite providing high transmission rates in good weather conditions, high-frequency wireless links are very susceptible to weather disruptions. In particular, heavy rain storms may lead to remarkable signal attenuation. In this paper, we introduce a new transmission technique for wireless mesh networks to mitigate the negative effects of link quality degradation due to rain storms. In particular, our method is the first one to use information on forecasted attenuation of links based on radar measurements to perform in advance the periodic updates of a network topology. Our approach is easily implementable in practice, since functionality of dynamic antenna alignment is currently offered by a number of equipment vendors. Other contributions of the paper include presentation of the ILP model of weather-resistant links formation problem followed by analysis of its computational complexity. Results of simulations, performed for three real scenarios of rain storms, show that our approach is very efficient in reducing the level of signal attenuation.

Keywords: Weather disruption-tolerant transmission; Wireless mesh networks; Region failures; Survivability (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s11235-015-0003-z

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