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首页> 外文期刊>Wireless Communications Letters, IEEE >On Coding and Beamforming for Large Antenna Arrays in mm-Wave Systems
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On Coding and Beamforming for Large Antenna Arrays in mm-Wave Systems

机译:毫米波系统中大型天线阵列的编码和波束成形

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摘要

Due to the spectrum shortage and demand for much higher data rates, millimeter (mm)-wave communications have received growing attention for cellular communication systems with beamforming that can overcome the severe propagation loss. For a highly correlated channel where the line-of-sight (LoS) exists with strong non-LoS (NLoS) components, which would be a typical case for mm-wave channels, we generalize a diversity eigenbeamforming method in this paper. For performance comparisons, the statistical eigenvector beamforming method, which is effective when the LoS exists, is considered as both the diversity eigenbeamforming and statistical eigenvector beamforming methods require statistical properties of channels. It is shown that the diversity eigenbeamforming methods outperforms the statistical eigenvector beamforming method when the NLoS component dominates.
机译:由于频谱短缺和对更高数据速率的需求,毫米波通信越来越受到波束成形可克服严重传播损耗的蜂窝通信系统的关注。对于高度相关的信道,其中存在视线(LoS)且具有很强的非LoS(NLoS)分量,这将是毫米波信道的典型情况,我们在本文中推广了一种分集本征波束形成方法。为了进行性能比较,将统计特征向量波束形成方法(当存在LoS时有效)被认为是分集特征波束形成和统计特征向量波束形成方法都需要信道的统计属性。结果表明,当NLoS分量占主导地位时,分集特征波束形成方法优于统计特征向量波束形成方法。

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