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A high performance massive MIMO detector based on log-domain belief-propagation

机译:基于对数域置信度传播的高性能大规模MIMO检测器

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Massive multiple-input multiple-output (MIMO) is a promising technology in the 5G wireless communication system. In this paper, we propose a high performance and ASIC implementation friendly massive MIMO detector. An iterative belief propagation (BP) detection method is employed where the symbol message vector is transformed into log-domain to reduce the complexity. As a case study, we have designed and synthesized a pipeline degree-64 variable node for 64×64 16-QAM MIMO system by using a CMOS 130 nm technology with a cell area of 6.1 mm2 and 600K logic gates. Compared with existing methods, the proposed detector has more than 10dB performance gain with even lower complexity which shows a high potential for the 5G systems.
机译:大规模多输入多输出(MIMO)是5G无线通信系统中的一项有前途的技术。在本文中,我们提出了一种高性能和ASIC实现友好的大规模MIMO检测器。采用迭代置信传播(BP)检测方法,其中将符号消息向量转换为对数域以降低复杂度。作为案例研究,我们使用CMOS面积为6.1 mm2的CMOS 130 nm技术和600K逻辑门设计并合成了用于64×64 16-QAM MIMO系统的流水线度64可变节点。与现有方法相比,所提出的检测器具有超过10dB的性能增益,并且具有更低的复杂度,这表明5G系统具有很高的潜力。

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