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On Power Consumption of Wireless Sensor Nodes with Min(N,T) Policy in Spectrum Sharing Systems
Blekinge Institute of Technology, Faculty of Computing, Department of Communication Systems.
Blekinge Institute of Technology, Faculty of Computing, Department of Communication Systems.
2014 (English)Conference paper, Oral presentation only (Other academic) Published
Abstract [en]

In this paper, we analyze the power consumption of wireless sensor nodes with min(N,T) policy and M/G/1 queue in the presence of Nakagami-m fading. In particular, this system setting is applied to a wireless sensor node operating in a cognitive radio system as secondary user in the presence of a primary user. As such, not only the queue policy influences the power consumption but also the interference power constraint imposed on the wireless sensor node by the primary user. Thus, a queued sleep/wake-up strategy is analyzed in order to mitigate the average power consumption of a sensor node using min(N,T) policy in the context of an M/G/1 queue and a spectrum sharing environment in the presence of signal fading. Numerical examples are presented to illustrate the impact of queuing parameters and fading channel on the power consumption of a wireless sensor node.

Place, publisher, year, edition, pages
Västerås, Sweden : SweCTW , 2014.
Keyword [en]
Power Consumption, Wireless Sensors, Spectrum Sharing Systems
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:bth-6529Local ID: oai:bth.se:forskinfoC2F8C756F7F45409C1257D970057980COAI: oai:DiVA.org:bth-6529DiVA: diva2:834047
Conference
Swedish Communication Technologies Workshop
Available from: 2014-11-24 Created: 2014-11-21 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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  • apa
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