Exploiting Spatial Channel Covariance for Hybrid Precoding in Massive MIMO Systems

We propose a new hybrid precoding technique for massive multi-input multi-output (MIMO) systems using spatial channel covariance matrices in the analog precoder design. Applying a regularized zero-forcing precoder for the baseband precoding matrix, we find an unconstrained analog precoder that maxim...

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Vydané v:	IEEE transactions on signal processing Ročník 65; číslo 14; s. 3818 - 3832
Hlavní autori:	Sungwoo Park, Jeonghun Park, Yazdan, Ali, Heath, Robert W.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	IEEE 15.07.2017
Predmet:	antenna arrays Baseband cellular communication Channel estimation Covariance matrices covariance matrix Hybrid precoding massive MIMO MIMO multi-user MIMO Phase shifters Precoding Radio frequency
ISSN:	1053-587X, 1941-0476
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