Bibliographische Detailangaben
| Titel: |
Optimal BD-ZF precoder for multi-user MIMO downlink transmission. |
| Autoren: |
Rugui Yao, Huani Nan, Juan Xu, Geng Li |
| Quelle: |
Electronics Letters (Wiley-Blackwell); 9/7/2015, p1121-1122, 2p, 3 Graphs |
| Schlagwörter: |
MIMO systems, SIGNAL-to-noise ratio, NUMERICAL analysis, ALGORITHMS, SPECTRAL energy distribution |
| 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. [ABSTRACT FROM AUTHOR] |
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