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Cognitive radio-aided wireless sensor networks for emergency response

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dc.contributor.author Arkoulis, S en
dc.contributor.author Spanos, D-E en
dc.contributor.author Barbounakis, S en
dc.contributor.author Zafeiropoulos, A en
dc.contributor.author Mitrou, N en
dc.date.accessioned 2014-03-01T01:33:00Z
dc.date.available 2014-03-01T01:33:00Z
dc.date.issued 2010 en
dc.identifier.issn 0957-0233 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/20275
dc.subject Bluetooth en
dc.subject Coexistence problem en
dc.subject Emergency en
dc.subject Spectrum access en
dc.subject WiFi en
dc.subject Wireless sensor networks en
dc.subject.classification Engineering, Multidisciplinary en
dc.subject.classification Instruments & Instrumentation en
dc.subject.other Changing environment en
dc.subject.other Close proximity en
dc.subject.other Coexistence problem en
dc.subject.other Cognitive radio en
dc.subject.other Efficient method en
dc.subject.other Emergency en
dc.subject.other Emergency response en
dc.subject.other Emergency situation en
dc.subject.other Energy consumption en
dc.subject.other Experimental measurements en
dc.subject.other Flexible channel allocation en
dc.subject.other IEEE 802.11b/g en
dc.subject.other Network node en
dc.subject.other Operational frequency en
dc.subject.other Real environments en
dc.subject.other Research efforts en
dc.subject.other Spectrum access en
dc.subject.other Wireless sensor en
dc.subject.other Bluetooth en
dc.subject.other Energy utilization en
dc.subject.other Frequency bands en
dc.subject.other Interference suppression en
dc.subject.other Sensor networks en
dc.subject.other Spectroscopy en
dc.subject.other Standards en
dc.subject.other Wi-Fi en
dc.subject.other Wireless sensor networks en
dc.title Cognitive radio-aided wireless sensor networks for emergency response en
heal.type journalArticle en
heal.identifier.primary 10.1088/0957-0233/21/12/124002 en
heal.identifier.secondary http://dx.doi.org/10.1088/0957-0233/21/12/124002 en
heal.identifier.secondary 124002 en
heal.language English en
heal.publicationDate 2010 en
heal.abstract A lot of research effort has been put into wireless sensor networks (WSNs) and several methods have been proposed to minimize the energy consumption and maximize the network's lifetime. However, little work has been carried out regarding WSNs deployed for emergency situations. We argue that such WSNs should function under a flexible channel allocation scheme when needed and be able to operate and adapt in dynamic, ever-changing environments coexisting with other interfering networks (IEEE 802.11b/g, 802.15.4, 802.15.1). In this paper, a simple and efficient method for the detection of a single operational frequency channel that guarantees satisfactory communication among all network nodes is proposed. Experimental measurements carried out in a real environment reveal the coexistence problem among networks in close proximity that operate in the same frequency band and prove the validity and efficiency of our approach. © 2010 IOP Publishing Ltd. en
heal.publisher IOP PUBLISHING LTD en
heal.journalName Measurement Science and Technology en
dc.identifier.doi 10.1088/0957-0233/21/12/124002 en
dc.identifier.isi ISI:000284261900004 en
dc.identifier.volume 21 en
dc.identifier.issue 12 en


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