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Capacity for MIMO systems at low SNR

dc.contributor.authorIoannou, I.en
dc.contributor.authorCharalambous, Charalambos D.en
dc.contributor.authorDenic, S.en
dc.creatorIoannou, I.en
dc.creatorCharalambous, Charalambos D.en
dc.creatorDenic, S.en
dc.date.accessioned2019-04-08T07:46:19Z
dc.date.available2019-04-08T07:46:19Z
dc.date.issued2010
dc.identifier.isbn978-1-4244-6285-8
dc.identifier.urihttp://gnosis.library.ucy.ac.cy/handle/7/43712
dc.description.abstractThe paper introduces an asymptotic series expansion for the mutual information of Multiple-Input Multiple-Output (MIMO) channels. For low signal to noise ratio (SNR) the first term of expansion approaches mutual information from below. Using the low SNR approximation a new water filling power allocation at the transmitter is derived when the receiver and the transmitter have perfect channel state information (CSITR). The low SNR approximation is related to existing approximation while the new water filling policy is related to minimum mean square decoding subject to power constraint. Finally, an upper bound for the outage probability at low SNR is presented. ©2010 IEEE.en
dc.sourceFinal Program and Abstract Book - 4th International Symposium on Communications, Control, and Signal Processing, ISCCSP 2010en
dc.sourceFinal Program and Abstract Book - 4th International Symposium on Communications, Control, and Signal Processing, ISCCSP 2010en
dc.source.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-77953858485&doi=10.1109%2fISCCSP.2010.5463456&partnerID=40&md5=3f5853672b51ee97678c24d0ffdd0e40
dc.subjectSignal processingen
dc.subjectUpper bounden
dc.subjectTransmittersen
dc.subjectMimo systemsen
dc.subjectMutual informationsen
dc.subjectMultiple-input multiple-output channelsen
dc.subjectOutage probabilityen
dc.subjectSignal to noise ratioen
dc.subjectAsymptotic series expansionsen
dc.subjectLow signal-to-noise ratioen
dc.subjectMinimum mean squaresen
dc.subjectPerfect channel state informationen
dc.subjectPower allocationsen
dc.subjectPower constraintsen
dc.subjectLow snren
dc.subjectWater fillingen
dc.titleCapacity for MIMO systems at low SNRen
dc.typeinfo:eu-repo/semantics/conferenceObject
dc.identifier.doi10.1109/ISCCSP.2010.5463456
dc.author.facultyΠολυτεχνική Σχολή / Faculty of Engineering
dc.author.departmentΤμήμα Ηλεκτρολόγων Μηχανικών και Μηχανικών Υπολογιστών / Department of Electrical and Computer Engineering
dc.type.uhtypeConference Objecten
dc.contributor.orcidCharalambous, Charalambos D. [0000-0002-2168-0231]
dc.gnosis.orcid0000-0002-2168-0231


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