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

Rugui Yao; Huani Nan; Juan Xu; Geng Li

doi:10.1049/el.2015.0517

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

Rugui Yao
, Huani Nan
, Juan Xu
, Geng Li

电子信息学院

Northwestern Polytechnical University Xian
Chang'an University

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

For multi-user MIMO downlink transmission, a block-diagonal zeroforcing (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 BD-ZF precoder is developed to maximise throughput using the determinant maximisation technique. It helps to gather all gain for the transmission of each user. Numerical results validate that the precoder obtains throughput improvement.

源语言	英语
页（从-至）	1121-1123
页数	3
期刊	Electronics Letters
卷	51
期	14
DOI	https://doi.org/10.1049/el.2015.0517
出版状态	已出版 - 9 7月 2015

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abstract = "For multi-user MIMO downlink transmission, a block-diagonal zeroforcing (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 BD-ZF precoder is developed to maximise throughput using the determinant maximisation technique. It helps to gather all gain for the transmission of each user. Numerical results validate that the precoder obtains throughput improvement.",

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AB - For multi-user MIMO downlink transmission, a block-diagonal zeroforcing (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 BD-ZF precoder is developed to maximise throughput using the determinant maximisation technique. It helps to gather all gain for the transmission of each user. Numerical results validate that the precoder obtains throughput improvement.

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

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