μNap: Practical micro-sleeps for 802.11 WLANs

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dc.contributor.author Azcorra Saloña, Arturo
dc.contributor.author Úcar Marques, Iñaki
dc.contributor.author Gringoli, Francesco
dc.contributor.author Banchs Roca, Albert
dc.contributor.author Serrano Yáñez-Mingot, Pablo
dc.date.accessioned 2021-11-25T09:31:30Z
dc.date.available 2021-11-25T09:31:30Z
dc.date.issued 2017-09-15
dc.identifier.bibliographicCitation Azcorra, A., Ucar, I., Gringoli, F., Banchs, A. & Serrano, P. (2017). μ Nap: Practical micro-sleeps for 802.11 WLANs. Computer Communications, vol. 110, pp. 175–186.
dc.identifier.issn 0140-3664
dc.identifier.uri http://hdl.handle.net/10016/33682
dc.description.abstract In this paper, we revisit the idea of putting interfaces to sleep during packet overhearing (i.e., when there are ongoing transmissions addressed to other stations) from a practical standpoint. To this aim, we perform a robust experimental characterisation of the timing and consumption behaviour of a commercial 802.11 card. We design Nap, a local standard -compliant energy-saving mechanism that leverages micro sleep opportunities inherent to the CSMA operation of 802.11 WLANs. This mechanism is backwards compatible and incrementally deployable, and takes into account the timing limitations of existing hardware, as well as practical CSMA-related issues (e.g., capture effect). According to the performance assessment carried out through trace -based simulation, the use of our scheme would result in a 57% reduction in the time spent in overhearing, thus leading to an energy saving of 15.8% of the activity time. (C) 2017 Elsevier B.V. All rights reserved.
dc.format.extent 12
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2017 Elsevier B.V. All rights reserved.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other Energy efficiency
dc.subject.other Energy measurement
dc.subject.other Csma wireless networks
dc.title μNap: Practical micro-sleeps for 802.11 WLANs
dc.type article
dc.subject.eciencia Telecomunicaciones
dc.identifier.doi https://doi.org/10.1016/j.comcom.2017.06.008
dc.rights.accessRights openAccess
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 175
dc.identifier.publicationlastpage 186
dc.identifier.publicationtitle Computer Communications
dc.identifier.publicationvolume 110
dc.identifier.uxxi AR/0000020537
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