Non-data-aided approach to I/Q mismatch compensation in Low-IF receivers

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dc.contributor.authorGil G.-T.ko
dc.contributor.authorKim Y.-D.ko
dc.contributor.authorLee, Yong-Hoonko
dc.date.accessioned2009-11-04T05:45:42Z-
dc.date.available2009-11-04T05:45:42Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2007-
dc.identifier.citationIEEE TRANSACTIONS ON SIGNAL PROCESSING, v.55, no.7, pp.3360 - 3365-
dc.identifier.issn1053-587X-
dc.identifier.urihttp://hdl.handle.net/10203/12087-
dc.description.abstractA digital signal processing (DSP) technique is presented that can compensate for the in-phase/quadrature-phase (I/Q) mismatch in low-intermediate frequency (IF) receivers. In particular, a non-data-aided (NDA) I/Q mismatch estimator is derived by exploiting the statistical independence between desired and image signals. The proposed technique obtains two baseband signals (uncompensated desired and image signals) from a digital IF signal and processes them to estimate and compensate for the I/Q mismatch. The mean-square error (MSE) of the estimate is analyzed. Computer simulation results indicate that the proposed technique can outperform existing adaptive DSP techniques that are based on the use of blind signal separation algorithms. It is observed that, the image rejection ratio (IRR) of the proposed technique decreases monotonically with the number of observed samples for estimation, while that of conventional methods exhibits some floor.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectCOMMUNICATION RECEIVERS-
dc.subjectDC OFFSET-
dc.subjectPERFORMANCE-
dc.titleNon-data-aided approach to I/Q mismatch compensation in Low-IF receivers-
dc.typeArticle-
dc.identifier.wosid000247488700019-
dc.identifier.scopusid2-s2.0-34347387753-
dc.type.rimsART-
dc.citation.volume55-
dc.citation.issue7-
dc.citation.beginningpage3360-
dc.citation.endingpage3365-
dc.citation.publicationnameIEEE TRANSACTIONS ON SIGNAL PROCESSING-
dc.identifier.doi10.1109/TSP.2007.893929-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorLee, Yong-Hoon-
dc.contributor.nonIdAuthorGil G.-T.-
dc.contributor.nonIdAuthorKim Y.-D.-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordAuthorblind-
dc.subject.keywordAuthorcompensation-
dc.subject.keywordAuthorI/Q mismatch-
dc.subject.keywordAuthorlow-intermediate frequency (IF) receivers-
dc.subject.keywordAuthornon-data-aided (NDA) estimation-
dc.subject.keywordPlusCOMMUNICATION RECEIVERS-
dc.subject.keywordPlusDC OFFSET-
dc.subject.keywordPlusPERFORMANCE-
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