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Peak-power reduction by the lattice-reduction-aided closest point search for MIMO broadcast channels
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Jian-ping ZHENG, Bao-ming BAI, Xin-mei WANG. Peak-power reduction by the lattice-reduction-aided closest point search for MIMO broadcast channels[J]. Journal of Zhejiang University Science A, 2008, 9(10): 1326-1330.
@article{title="Peak-power reduction by the lattice-reduction-aided closest point search for MIMO broadcast channels",
author="Jian-ping ZHENG, Bao-ming BAI, Xin-mei WANG",
journal="Journal of Zhejiang University Science A",
volume="9",
number="10",
pages="1326-1330",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820174"
}
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%DOI 10.1631/jzus.A0820174
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T1 - Peak-power reduction by the lattice-reduction-aided closest point search for MIMO broadcast channels
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A1 - Xin-mei WANG
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 10
SP - 1326
EP - 1330
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0820174
Abstract: In this letter, we present a modified vector-perturbation precoding scheme for the multiple-input multiple-output broadcast channel, where a perturbation vector is chosen to take into account both the instantaneous power and the instantaneous peak power of the transmitted signal. This perturbation vector is obtained by using the closest point search, with the aid of the lattice-reduction algorithm. Simulation results show that the proposed scheme yields a tradeoff among power efficiency, peak-to-average power ratio reduction, and complexity.
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