Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/819
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dc.contributor.authorallPerrine, C.; Institut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.contributor.authorallErhel, Y. M.; Institut d Electronique et Télécommunications de Rennes, Centre de Recherches des Ecoles de Coëtquidan, Guer, Franceen
dc.contributor.authorallLemur, D.; Institut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.contributor.authorallBertel, L.; Institut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.contributor.authorallBourdillon, A.; Institut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.date.accessioned2006-02-20T14:01:21Zen
dc.date.available2006-02-20T14:01:21Zen
dc.date.issued2004en
dc.identifier.urihttp://hdl.handle.net/2122/819en
dc.description.abstractThe aim of this paper is to present a high data rate transmission system through the ionospheric channel in the HF-band (3-30 MHz). The applications expected in this study are image transmitting and real-time videoconferencing. Very high rates are required compared to the standard modems. Therefore, an array processing is performed with a set of antennas whose spatial response differs from one another arranged in a circular array or in a collocated sensor. Synchronization (Zero Crossing Detector) and source separation (LMS algorithm) resort to classical well-tested techniques involving training sequences. Experimental results are presented for both antenna configurations. These techniques improve data rate, reaching 20 kbits/s within the 6 kHz bandwidth (QAM 64) without coding or interleaving.en
dc.format.extent1944645 bytesen
dc.format.mimetypeapplication/pdfen
dc.language.isoEnglishen
dc.publisher.nameINGVen
dc.relation.ispartofAnnals of Geophysicsen
dc.relation.ispartofseries2-3 supl/47 (2004)en
dc.titleA way to increase the bit ratein ionospheric radio linksen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.subject.INGV01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniquesen
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.contributor.authorPerrine, C.en
dc.contributor.authorErhel, Y. M.en
dc.contributor.authorLemur, D.en
dc.contributor.authorBertel, L.en
dc.contributor.authorBourdillon, A.en
dc.contributor.departmentInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.contributor.departmentInstitut d Electronique et Télécommunications de Rennes, Centre de Recherches des Ecoles de Coëtquidan, Guer, Franceen
dc.contributor.departmentInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.contributor.departmentInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
dc.contributor.departmentInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, Franceen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, France-
crisitem.author.deptInstitut d Electronique et Télécommunications de Rennes, Centre de Recherches des Ecoles de Coëtquidan, Guer, France-
crisitem.author.deptInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, France-
crisitem.author.deptInstitut d Electronique et Télécommunications de Rennes, Université de Rennes 1, France-
crisitem.author.deptInstitut d’Electronique et de Te´ le´communications de Rennes (IETR), University of Rennes-
crisitem.classification.parent01. Atmosphere-
Appears in Collections:Annals of Geophysics
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