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dc.contributor.author이준세[이준세]ko
dc.contributor.author유희정ko
dc.contributor.author성영철[성영철]ko
dc.date.accessioned2015-12-17T05:00:03Z-
dc.date.available2015-12-17T05:00:03Z-
dc.date.created2015-11-13-
dc.date.issued201402-
dc.identifier.citationIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.63, no.2, pp.958 - 964-
dc.identifier.issn0018-9545-
dc.identifier.urihttp://hdl.handle.net/YU.REPOSITORY/33157-
dc.identifier.urihttp://dx.doi.org/10.1109/TVT.2013.2279270-
dc.description.abstractIn this paper, an adaptive beam tracking algorithm for interference alignment (IA) in time-varying multiple-input-multiple-output (MIMO) interference channels is presented. It is shown that obtaining a set of interference-aligning transmit beamforming matrices is equivalent to minimizing a certain Rayleigh quotient, and an approach based on the conjugate gradient (CG) method combined with metric projection is applied to this minimization problem to construct an adaptive algorithm for interference-aligning beam design. The convergence of the proposed algorithm in static channels is established, and the steady-state behavior of the proposed algorithm in time-varying channels is investigated by numerical simulations. The performance of the proposed algorithm is evaluated numerically, and numerical results show that the proposed algorithm performs well with low computational complexity. Index Terms-Adaptive algorithm, conjugate gradient-
dc.language영어-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectALGORITHMS-
dc.titleBeam Tracking for Interference Alignment in Time-Varying MIMO Interference Channels: A Conjugate-Gradient-Based Approach-
dc.typeArticle-
dc.identifier.wosid000331903200041-
dc.identifier.scopusid2-s2.0-84896816390-
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