Optimal BD-ZF precoder for multi-user MIMO downlink transmission

For multi-user MIMO downlink transmission, a block-diagonal zero-forcing (BD-ZF) precoder is usually used to suppress multi-user interference. In the case of a large number of transmitted antennas installed at the base station, there exists a larger nullspace than the precoder requires. An optimal B...

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Bibliographic Details
Published in:	Electronics letters Vol. 51; no. 14; pp. 1121 - 1123
Main Authors:	Yao, Rugui, Nan, Huani, Xu, Juan, Li, Geng
Format:	Journal Article
Language:	English
Published:	The Institution of Engineering and Technology 09.07.2015
Subjects:	Antennas base station Blocking block‐diagonal zero‐forcing precoder determinant maximisation technique Determinants Gain Interference interference suppression Mathematical models MIMO communication MUI suppression multiple‐input multiple‐output transmission multiuser interference suppression multiuser MIMO downlink transmission optimal BD‐ZF precoder optimisation Optimization precoding throughput improvement Wireless communications multiple-input multiple-output transmission interference suppression determinants determinant maximisation technique multiuser interference suppression precoding MUI suppression optimal BD-ZF precoder BS optimisation block-diagonal zero-forcing precoder multiuser MIMO downlink transmission base station MIMO communication throughput improvement
ISSN:	0013-5194, 1350-911X, 1350-911X
Online Access:	Get full text
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