Successive SLNR Precoding with GMD for Downlink Multi-User Multi-Stream MIMO Systems

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概要

• 論文の詳細を見る

• In this paper, we propose a successive signal-to-leakage-plus-noise ratio (SLNR) based precoding with geometric mean decomposition (GMD) for the downlink multi-user multiple-input multiple-output (MU-MIMO) systems. The known leakages are canceled at the transmit side, and SLNR is calculated with the unknown leakages. GMD is applied to cancel the known leakages, so the subchannels for each receiver have equal gain. We further improve the proposed precoding scheme by ordering users. Simulation results show that the proposed schemes have a considerable bit error rate (BER) improvement over the original SLNR scheme.

• The Institute of Electronics, Information and Communication Engineersの論文
• 2012-09-01

著者

• HE Chen

  the Dept of Electronic Engineering, Shanghai Jiao Tong University

• JIANG Ling-ge

  the Dept of Electronic Engineering, Shanghai Jiao Tong University

• ZHANG Xun-yong

  the Dept of Electronic Engineering, Shanghai Jiao Tong University

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• Successive SLNR Precoding with GMD for Downlink Multi-User Multi-Stream MIMO Systems

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