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IEICE TRANSACTIONS on Fundamentals

Effective Per-Antenna SSLNR Precoding for MIMO Broadcast Channel

Xunyong ZHANG, Chen HE, Lingge JIANG

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Summary :

In this paper, an effective per-antenna successive signal-to-leakage-plus-noise-ratio (PA-SSLNR) based precoding is proposed for multi-user multiple-input multiple-output (MIMO) broadcast channel. The signal-to-leakage-plus-noise-ratio (SLNR) of per-antenna is calculated only using the unknown leakages and the known leakages are cancelled at the transmit side by Tomlinson-Harashima Precoding (THP). The proposed scheme is different from per-user SSLNR. It does not need QR decomposition. The proposed precoding scheme is further improved by ordering antennas. Simulation results show that the proposed schemes exhibit a considerable bit error rate (BER) improvement over conventional SLNR scheme.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.2 pp.665-668
Publication Date
2014/02/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.665
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Xunyong ZHANG
  Shanghai Jiao Tong University
Chen HE
  Shanghai Jiao Tong University
Lingge JIANG
  Shanghai Jiao Tong University

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