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dc.creatorKlaina, Hichames_ES
dc.creatorVazquez Alejos, Anaes_ES
dc.creatorAghzout, Otmanes_ES
dc.creatorFalcone Lanas, Francisco Javieres_ES
dc.date.accessioned2019-05-22T06:54:03Z
dc.date.available2019-05-22T06:54:03Z
dc.date.issued2018
dc.identifier.issn1424-8220
dc.identifier.urihttps://hdl.handle.net/2454/33109
dc.descriptionThis article belongs to the Special Issue Selected Papers from the 4th International Electronic Conference on Sensors and Applications.en
dc.description.abstractIn this contribution, a narrowband radio channel model is proposed for rural scenarios in which the radio link operates under near-ground conditions for application in wireless sensor networks dedicated to smart agriculture. The received power attenuation was measured for both transmitter and receiver antennas placed at two different heights above ground: 0.2 and 0.4 m. Three frequency ranges, proposed for future 5G-IoT use case in agriculture, were chosen: 868 MHz, 2.4 GHz and 5.8 GHz. Three ground coverings were tested in a rural scenario: soil, short and tall grass fields. The path loss was then estimated as dependent of the radio link range and a three-slope log-normal path loss model was tailored. Results are explained in terms of the first Fresnel zone obstruction. Commercial Zigbee sensor nodes operating at 2.4 GHz were used in a second experiment to estimate the link quality from the experimental Radio Signal Strength Indicator (RSSI) received values. Two sensor nodes were placed at the same elevation above ground as in the previous experiment, only for short grass field case. The Quality of Service performance was determined in terms of theoretical bit error rate achieved for different digital modulations-BPSK, 8PSK and 16QAM-concluding remarkable results for an obstructed radio link.en
dc.description.sponsorshipThis research was funded by the Xunta de Galicia Predoctoral Research Grants 2017, and the research project GRC1015/019 also supported by the Xunta de Galicia. The APC was funded by Sensors for the Special Issue Selected Papers from 4th International Electronic Conference on Sensors and Applications.en
dc.format.extent15 p.
dc.format.mimetypeapplication/pdfen
dc.language.isoengen
dc.publisherMDPIen
dc.relation.ispartofSensors 2018, 18 (8), 2428.en
dc.rights© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectInternet of thingsen
dc.subject5Gen
dc.subjectWireless sensor networksen
dc.subjectSmart agricultureen
dc.subjectNear-grounden
dc.subjectRadio channel modelen
dc.subjectQoSen
dc.subjectLog-distanceen
dc.titleNarrowband characterization of near-ground radio channel for wireless sensors networks at 5G-IoT bandsen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeArtículo / Artikuluaes
dc.contributor.departmentUniversidad Pública de Navarra. Departamento de Ingeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.departmentNafarroako Unibertsitate Publikoa. Ingeniaritza Elektriko eta Elektronikoa eta Komunikazio Sailaeu
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.identifier.doi10.3390/s18082428
dc.relation.publisherversionhttps://doi.org/10.3390/s18082428
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dc.type.versionVersión publicada / Argitaratu den bertsioaes


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© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
Except where otherwise noted, this item's license is described as © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.