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Techno-Economic Evaluation of Cognitive Radio in a Factory Scenario

Abstract : Wireless applications gradually enter every aspect of our life. Unfortunately, these applications must reuse the same scarce spectrum, resulting in increased interference and limited usability. Cognitive Radio proposes to mitigate this problem by adapting the operational parameters of wireless devices to varying interference conditions. However, it involves an increase in cost. In this paper we examine the economic balance between the added cost and the increased usability in one particular real-life scenario. We focus on the production floor of an industrial installation – where wireless sensors monitor production machinery, and a wireless LAN is used as the data backbone. We examine the effects of implementing dynamic spectrum access by means of ideal RF sensing, and model the benefit in terms of increased reliability and battery lifetime. We estimate the financial cost of interference and the potential gain, and conclude that cognitive radio can bring business gains in real-life applications.
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Matthias Barrie, Lieven Tytgat, Vânia Gonçalves, Opher Yaron, Ingrid Moerman, et al.. Techno-Economic Evaluation of Cognitive Radio in a Factory Scenario. International IFIP TC 6 Workshops PE-CRN, NC-Pro, WCNS, and SUNSET 2011 Held at NETWORKING 2011 (NETWORKING), May 2011, Valencia, Spain. pp.52-61, ⟨10.1007/978-3-642-23041-7_6⟩. ⟨hal-01587834⟩

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