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Lattice-reduction-aided broadcast precoding

delete2004-12-01
delete207
PRE
AI
R
Robert F. H. Fischer
J
Johannes B. Huber
DOI：10.1109/TCOMM.2004.838732delete
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Abstract

Abstract

En 中文
A precoding scheme for multiuser broadcast communications is described, which fills the gap between the low-complexity Tomlinson-Harashima precoding and the sphere decoder-based system of Peel et al. Simulation results show that, replacing the closest-point search with the Babai approximation, the full diversity order supported by the channel is available to each user, as in the system of Peel et A, and unlike Tomlinson-Harashima precoding, which suffers some diversity penalty. The complexity of the scheme is similar to that of Tomlinson-Harashima precoding.
Keywords:
lattice reduction
multiple-input multiple-output (MIMO)
broadcast channels
MIMO precoding
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Journal

IEEE Transactions on Communications cover
IEEE Transactions on Communications
IF:
8.3
Papers:
1.2W
Citations:
3.6W

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