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Transmit Power Allocation for a Modified V-BLAST System

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dc.contributor.authorNam, Seung Hoon-
dc.contributor.authorShin, Oh-Soon-
dc.contributor.authorLee, Kwang Bok-
dc.date.accessioned2009-08-13T03:33:13Z-
dc.date.available2009-08-13T03:33:13Z-
dc.date.issued2004-07-
dc.identifier.citationIEEE Trans. Commun., vol. 52, pp.1074-1079, Jul. 2004en
dc.identifier.issn0090-6778-
dc.identifier.urihttps://hdl.handle.net/10371/7115-
dc.descriptionThis paper was presented in part
at the 13th IEEE Symposium on Personal, Indoor and Mobile Radio Communications,
Lisbon, Portugal, September 2002.
en
dc.description.abstractAbstract—In this letter, we present a modification of Vertical
Bell Laboratories Layered Space–Time (V-BLAST), and propose
an effective transmit power allocation (TPA) scheme for the modified
system. The proposed TPA scheme minimizes the uncoded biterror
rate (BER) averaged over all detection stages, and requires
small feedback overhead. Simulation results show that the modified
V-BLAST system with the proposed TPA scheme provides
a significant reduction in the uncoded BER compared with the
conventional V-BLAST system. When the minimum mean-square
error nulling is adopted, the modified V-BLAST system is found to
achieve the uncoded BER performance comparable to that of the
maximum-likelihood detection for the conventional V-BLAST architecture.
en
dc.description.sponsorshipThis work was supported
in part by the Brain Korea 21 Project.
en
dc.language.isoen-
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.subjectBit-error rate (BER)en
dc.subjectdetection orderingen
dc.subjectmultiple-input multiple-output (MIMO) systemen
dc.subjecttransmit power allocation (TPA)en
dc.subjectVertical Bell Laboratories Layered Space-Time (V-BLAST)en
dc.titleTransmit Power Allocation for a Modified V-BLAST Systemen
dc.typeArticleen
dc.contributor.AlternativeAuthor남승훈-
dc.contributor.AlternativeAuthor신오순-
dc.contributor.AlternativeAuthor이광복-
dc.identifier.doi10.1109/TCOMM.2004.831368-
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