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Spectrum sensing using correlated receiving multiple antennas in cognitive radios
dc.contributor.author | Sedighi, Saeid |
dc.contributor.author | Taherpour, Abbas |
dc.contributor.author | Sala Álvarez, José |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions |
dc.date.accessioned | 2013-12-18T15:39:20Z |
dc.date.created | 2013-11 |
dc.date.issued | 2013-11 |
dc.identifier.citation | Sedighi, S.; Taherpour, A.; Sala, J. Spectrum sensing using correlated receiving multiple antennas in cognitive radios. "IEEE transactions on wireless communications", Novembre 2013, vol. 12, núm. 11, p. 5754-5766. |
dc.identifier.issn | 1536-1276 |
dc.identifier.uri | http://hdl.handle.net/2117/21049 |
dc.description.abstract | Spectrum sensing is a key component for enabling the cognitive radio paradigm. In this paper, we propose a novel totally-blind spectrum sensing technique for cognitive radio device equipped with multiple antennas, namely the Space Frequency Cross Product Sensing (SFCPS) algorithm. Existing correlation-based spectrum sensing techniques rely on the assumption that the received signals are correlated and their performance becomes poor when the signal correlation is low. By appropriately combining the received signals from multiple antennas, the proposed method creates new signals that are fully correlated and on which a sensing method is developed. SFCPS performs better than existing correlation-based techniques and with a lower computational complexity for small number of observed samples. |
dc.format.extent | 13 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Antenes i agrupacions d'antenes |
dc.subject | Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Radiodifusió per ràdio |
dc.subject.lcsh | Antennas (Electronics) |
dc.subject.lcsh | Cognitive radio networks |
dc.subject.other | Cognitive radio |
dc.subject.other | Spectrum sensing |
dc.subject.other | Multiple antennas |
dc.subject.other | Rao test |
dc.subject.other | Antenna correlations |
dc.subject.other | Fisher information matrix |
dc.subject.other | Noise variance mismatch |
dc.subject.other | Antenna array |
dc.title | Spectrum sensing using correlated receiving multiple antennas in cognitive radios |
dc.type | Article |
dc.subject.lemac | Antenes (Electrònica) |
dc.subject.lemac | Ràdio cognitiva |
dc.contributor.group | Universitat Politècnica de Catalunya. SPCOM - Grup de Recerca de Processament del Senyal i Comunicacions |
dc.identifier.doi | 10.1109/TWC.2013.100213.130158 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6239985&tag=1 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 12911500 |
dc.description.version | Postprint (published version) |
dc.date.lift | 10000-01-01 |
local.citation.author | Sedighi, S.; Taherpour, A.; Sala, J. |
local.citation.publicationName | IEEE transactions on wireless communications |
local.citation.volume | 12 |
local.citation.number | 11 |
local.citation.startingPage | 5754 |
local.citation.endingPage | 5766 |
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