An energy-efficient adaptive modulation suitable for wireless sensor networks with SER and throughput constraints

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dc.contributor.author Escudero-Garzás, J. Joaquín
dc.contributor.author Bousoño-Calzón, Carlos
dc.contributor.author García-Armada, Ana
dc.date.accessioned 2012-05-15T10:29:43Z
dc.date.available 2012-05-15T10:29:43Z
dc.date.issued 2007-05-17
dc.identifier.bibliographicCitation EURASIP Journal on Wireless Communications and Networking 2007, 2007:041401
dc.identifier.issn 1687-1472
dc.identifier.uri http://hdl.handle.net/10016/14257
dc.description.abstract We consider the problem of minimizing transmission energy in wireless sensor networks by taking into account that every sensor may require a different bit rate and reliability according to its particular application. We propose a cross-layer approach to tackle such a minimization in centralized networks for the total transmission energy consumption of the network: in the physical layer, for each sensor the sink estimates the channel gain and adaptively selects a modulation scheme; in the MAC layer, each sensor is correspondingly assigned a number of time slots. The modulation level and the number of allocated time slots for every sensor are constrained to attain their applications bit rates in a global energy-efficient manner. The signal-to-noise ratio gap approximation is used in our exposition in order to jointly handle required bit rates, transmission energies, and symbol error rates.
dc.description.sponsorship This work has been partially funded by CRUISE NoE (IST-4-027738), MAMBO2 (CCG06-UC3M/TIC-0698) and MACAWI (TEC- 2005-07477-C02-02) projects.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher SpringerOpen
dc.rights © 2007 J. Joaquín Escudero Garzás et al.
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other Adaptive modulation
dc.subject.other Wireless sensor networks
dc.subject.other WSNs
dc.title An energy-efficient adaptive modulation suitable for wireless sensor networks with SER and throughput constraints
dc.type article
dc.description.status Publicado
dc.relation.publisherversion http://jwcn.eurasipjournals.com/content/2007/1/041401
dc.relation.publisherversion http://dx.doi.org/10.1155/2007/41401
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi 10.1155/2007/41401
dc.rights.accessRights openAccess
dc.type.version publishedVersion
dc.identifier.publicationtitle EURASIP Journal on Wireless Communications and Networking
dc.identifier.publicationvolume 2007:041401
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