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Lattice-Reduction-Aided MMSE Tomlinson-Harashima Precoding for MIMO Systems
Feng LIU Ling-ge JIANG Chen HE
IEICE TRANSACTIONS on Communications
Publication Date: 2007/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
MIMO, lattice reduction, THP, MMSE,
Full Text: PDF(113.6KB)>>
In this letter, a lattice-reduction-aided (LRA) minimum mean square error (MMSE) Tomlinson-Harashima precoding (THP) is proposed for multiple input multiple output (MIMO) systems. The extended channel is exploited to develop the LRA MMSE-THP based on the lattice reduction method. Simulation results show that the proposed scheme significantly outperforms the conventional MMSE THP and the LRA zero-forcing (ZF) THP and achieves full diversity order.