Space Alignment Based on Regularized Inversion Precoding in Cognitive Transmission

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dc.contributor.authorYao, Rugui
dc.contributor.authorLi, Geng
dc.contributor.authorXu, Juan
dc.contributor.authorWang, Ling
dc.contributor.authorZhang, Zhaolin
dc.coverage.issue3cs
dc.coverage.volume24cs
dc.date.accessioned2015-10-26T08:05:46Z
dc.date.available2015-10-26T08:05:46Z
dc.date.issued2015-09cs
dc.description.abstractFor a two-tier Multiple-Input Multiple-Output (MIMO) cognitive network with common receiver, the precoding matrix has a compact relationship with the capacity performance in the unlicensed secondary system. To increase the capacity of secondary system, an improved precoder based on the idea of regularized inversion for secondary transmitter is proposed. An iterative space alignment algorithm is also presented to ensure the Quality of Service (QoS) for primary system. The simulations reveal that, on the premise of achieving QoS for primary system, our proposed algorithm can get larger capacity in secondary system at low Signal-to-Noise Ratio (SNR), which proves the effectiveness of the algorithm.en
dc.formattextcs
dc.format.extent824-829cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2015 vol. 24, č. 3, s. 824-829. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2015.0824en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/51751
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2015/15_03_0824_0829.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectCognitive networken
dc.subjectMultiple-Input Multiple-Output (MIMO)en
dc.subjectspace alignmenten
dc.subjectprecodingen
dc.subjectchannel capacityen
dc.titleSpace Alignment Based on Regularized Inversion Precoding in Cognitive Transmissionen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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