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Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3222032
Abstract: Covariance matrices of spatially-correlated wireless channels in millimeter wave (mmWave) vehicular networks can be employed to design environment-aware beamforming codebooks. Such covariance matrices can be represented over non-Euclidean (i.e., curved surfaces) manifolds, thanks to their…
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Keywords:
covariance matrices;
channel covariance;
covariance;
millimeter wave ... See more keywords
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recommendations!
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Published in 2021 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2021.3075725
Abstract: Obtaining the downlink channel state information in frequency division duplexing (FDD) massive multi-input multi-output (MIMO) systems is challenging due to the overwhelming training and feedback overhead. In this letter, motivated by the existence of mapping…
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Keywords:
mimo systems;
downlink channel;
fdd massive;
channel covariance ... See more keywords