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On the Performance of Multiuser MIMO Systems in WCDMA/HSDPA: Beamforming, Feedback and User Diversity

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dc.contributor.authorKim, Sungjin-
dc.contributor.authorKim, Hojin-
dc.contributor.authorPark, Chang Soon-
dc.contributor.authorLee, Kwang Bok-
dc.date.accessioned2009-08-13-
dc.date.available2009-08-13-
dc.date.issued2006-08-
dc.identifier.citationIEICE Trans. Commun., vol. E98-B, no. 8, pp. 2161-2169, Aug. 2006en
dc.identifier.issn0916-8516-
dc.identifier.urihttp://search.ieice.org/bin/summary.php?id=e89-b_8_2161&category=B-
dc.identifier.urihttps://hdl.handle.net/10371/7089-
dc.descriptionThis paper was presednted in part at PIMRC 2004.en
dc.description.abstractSeveral multiple-input multiple-output (MIMO) techniques have been proposed for 3GPP WCDMA/HSDPA systems and several performance evaluation for the comparison purpose are in progess. Most MIMO candidates in HSDPA have been generally designed for point-to-point communication, which means that a single-user throughput is of their major concern. However, multiple users and user scheduling need to be considered in wireless packet transmission, so as to maximize system throughput. In this paper we propose an effective user scheduling technique in both space and time domains that offers three main benefits, which are the spatial-beamforming, uplink feedback signaling, and advanced receivers. Furthermore, user scheduling is combined with modified successive interference cancellation (SIC) reception, which allocates all transmit antennas to the best user with SIC or each transmit antenna to different users with minimum mean squared-error (MMSE). Simulation results show that the proposed scheme has higher user diversity gain thatn other MIMO candidates in terms of achievable throughput.en
dc.description.sponsorshipThis paper has been supported in part by National Research Laboratory(NRL) program and in part by the Samsung Advanced Institute of Technology(SAIT).en
dc.language.isoenen
dc.publisherInstitute of Electronics, Information and Communication Engineers (IEICE)en
dc.subjectmultiuseren
dc.subjectMIMOen
dc.subjectSTMAen
dc.subjectWCDMAen
dc.subjectHSDPAen
dc.titleOn the Performance of Multiuser MIMO Systems in WCDMA/HSDPA: Beamforming, Feedback and User Diversityen
dc.typeArticleen
dc.contributor.AlternativeAuthor김성진-
dc.contributor.AlternativeAuthor김호진-
dc.contributor.AlternativeAuthor박창순-
dc.contributor.AlternativeAuthor이광복-
dc.identifier.doi10.1093/ietcom/e89-b.8.2161-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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