In this paper, we design a complexity-reduced transmission scheme in massive antenna environments. To reduce the implementation complexity for the generation of beam weight, we design a multi-user parameterized beamforming (MUPB) scheme that can control the beam direction using a single parameter with combined use of maximum ratio transmission and partial zero-forcing scheme that partially nulls out interference. We design the MUPB to maximize the signal-to-leakage plus noise ratio (SLNR). To further reduce the implementation complexity, we optimize the MUPB based on approximated SLNR instead of accurate SLNR. Finally, the performance of the proposed MUPB is verified by computer simulation.

中文翻译：

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大规模MIMO系统中的低复杂度多用户参数化波束成形

在本文中，我们设计了在大型天线环境中降低复杂度的传输方案。为了减少生成波束权重的实现复杂性，我们设计了一种多用户参数化波束成形（MUPB）方案，该方案可以使用单个参数控制波束方向，并结合使用最大比率传输和部分归零的部分归零方案干扰。我们设计MUPB以最大程度地提高信噪比和噪声比（SLNR）。为了进一步降低实现复杂度，我们基于近似SLNR而不是精确SLNR优化MUPB。最后，通过计算机仿真验证了所提出的MUPB的性能。