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dc.contributor.authorJin, Jin-
dc.contributor.authorGao, Xiang-Chuan-
dc.contributor.authorLi, Xingwang-
dc.contributor.authorCavalcante, Charles Casimiro-
dc.contributor.authorLi, Lihua-
dc.identifier.citationCAVALCANTE, C. C. et al. Low-overhead feedback topology design for the K-user MIMO interference alignment. KSII Transactions on Internet and Information Systems, vol. 12, n. 11, p. 5304-5322, 2018pt_BR
dc.description.abstractSince designing a feedback topology is a practical way to implement interference alignment at reduced cost of channel state information (CSI) feedback, six feedback topologies have been presented in prior works for a K-user multiple-input multiple-output interference channel. To fully reveal the potential benefits of the feedback topology in terms of the saving of CSI overhead, we propose a new feedback topology in this paper. By efficiently performing dimensionality-decreasing at the transmitter side and aligning interference signals at a subset of receivers, we show that the proposed feedback topology obtains substantial reduction of feedback cost over the existing six feedback designs under the same antenna configuration.pt_BR
dc.publisherKSII Transactions on Internet and Information Systemspt_BR
dc.subjectInterference alignmentpt_BR
dc.subjectChannel state informationpt_BR
dc.subjectFeedback topologypt_BR
dc.subjectInterference channelpt_BR
dc.titleLow-overhead feedback topology design for the K-user MIMO interference alignmentpt_BR
dc.typeArtigo de Periódicopt_BR
Appears in Collections:DETE - Artigos publicados em revista científica

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