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Dense multipath component parameter estimation in 11GHz-band indoor environment

机译：11GHz频带室内环境中的密集多径分量参数估计

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In next-generation mobile communication systems, utilization of higher frequency bands above 10 GHz has become a hot research topic because it has the potential to improve network capacity drastically by utilizing the available wideband spectrum. However in the higher frequency bands, in addition to the higher propagation loss, diffuse scattering of propagation wave is thought to affect the multiple-input multiple-output (MIMO) channel characteristic more significantly. In this paper, 11 GHz band MIMO channel measurements were conducted in a line-of-sight (LoS) indoor environment to clarify the characteristics of diffuse scatterings in the higher frequency band. The frequency, angular, and the polarization domain dense multipath component (DMC) propagation parameters were estimated by using the RiMAX-based estimator. The measurement result shows that there was a significant DMC due to diffuse scatterings from the floor and the ceiling. The DMC had directional and polarization dependencies that were different from the RiMAX DMC model. The result is expected to be utilized for the novel MIMO channel model proposal in the higher frequency band that includes the DMC contribution.
机译：在下一代移动通信系统中，利用10 GHz以上的更高频段已成为研究的热点，因为它具有通过利用可用的宽带频谱来极大地提高网络容量的潜力。然而，在较高的频带中，除了较高的传播损耗之外，传播波的散射也被认为会更显着地影响多输入多输出（MIMO）信道特性。在本文中，在视线（LoS）室内环境中进行了11 GHz频带MIMO信道测量，以阐明较高频带中的散射特性。频率，角度和极化域密集多径分量（DMC）传播参数通过使用基于RiMAX的估计器进行估计。测量结果表明，由于地板和天花板的漫射散射，存在显着的DMC。 DMC具有与RiMAX DMC模型不同的方向性和极化依赖性。预期该结果将用于包括DMC贡献在内的更高频段的新型MIMO信道模型建议。

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