A Rank-Constrained Coordinate Ascent Approach to Hybrid Precoding for the Downlink of Wideband Massive (MIMO) Systems

An innovative approach to hybrid analog-digital precoding for the downlink of wideband massive MIMO systems is developed. The proposed solution, termed Rank-Constrained Coordinate Ascent (RCCA), starts seeking the full-digital precoder that maximizes the achievable sum-rate over all the frequency su...

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Vydané v:	IEEE transactions on vehicular technology Ročník 72; číslo 12; s. 15953 - 15966
Hlavní autori:	González-Coma, José P., Fresnedo, Óscar, Castedo, Luis
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 01.12.2023
Predmet:	Broadband Constraints Covariance matrix Downlinking MIMO communication
ISSN:	0018-9545, 1939-9359
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