论文标题
非均匀线性阵列的结构设计,可在大规模的MIMO中进行良好的传播
Structural Design of Non-Uniform Linear Arrays for Favorable Propagation in Massive MIMO
论文作者
论文摘要
考虑了具有均匀和不均匀线性阵列的大量多输入多输出(MIMO)系统的有利传播(FP)。在现有的均匀线性阵列的FP研究中存在一个差距,这与阵列模式中的光栅裂片的存在有关,即使在不同的到达角度下,也会导致违反FP条件。提出了\ textIt {non-Urilistry}线性阵列的新颖分析和设计,以取消光栅裂片并恢复\ textit {ash asher}不同的到达角度的有利传播。该设计与流行的混合横梁形成范式一致,并扩展到多路径通道和定向元素的阵列。
Favorable propagation (FP) for massive multiple-input multiple-output (MIMO) systems with uniform and non-uniform linear arrays is considered. A gap in the existing FP studies of uniform linear arrays is identified, which is related to the existence of grating lobes in the array pattern and which results in the FP condition being violated, even under distinct angles of arrival. A novel analysis and design of \textit{non-uniform} linear arrays are proposed to cancel grating lobes and to restore favorable propagation for \textit{all} distinct angles of arrival. This design is consistent with the popular hybrid beamforming paradigm and extends to multipath channels and arrays of directional elements.