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

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概要

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• 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.

著者

• He Chen

  Dept Of Electronic Engineering Shanghai Jiao Tong University

• Jiang Ling-ge

  Dept Of Electronic Engineering Shanghai Jiao Tong University

• JIANG Ling-ge

  Dept of Electronic Engineering, Shanghai Jiao Tong University

• ZHANG Xun-yong

  Dept of Electronic Engineering, Shanghai Jiao Tong University

関連論文

• On the Achievable Diversity Multiplexing Tradeoff for Dynamic and Static DF in the Two-Way Channel
• On the Achievable Diversity Multiplexing Tradeoff for the Optimal Time Allocation in the Two-Way Channel
• Successive SLNR Precoding with GMD for Downlink Multi-User Multi-Stream MIMO Systems

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