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Investigation of large-scale propagation for outdoor-parking lot environment for 5G wireless communications

机译：用于5G无线通信的户外停车场环境大规模传播调查

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The congestion at the frequency band below 6 GHz and the enormous amount of available raw bandwidth above 6 GHz, directed researchers to utilize millimeter-wave spectrum as an option to increase mobile broadband capacity. Thus the needs to investigate the ultra-wide band frequency for different scenarios are become a critical issue nowadays. In this paper, an investigation of the car reflection case study for a different number of the parking lot rows at 26 GHz frequency band is proposed. The measurement campaigns were conducted at the University Technology Malaysia (UTM), Kuala Lumper, Malaysia and used the directional horn and omni antennas for transmitter and receiver side, respectively. The close in free space (CI) and floating intercept (FI) path loss models are investigated at 26 GHz frequency band. Then the new path gain factor is proposed to display the power degrading with respect to the number of car rows. The results show that CI model is more suitable compared to FI model at the particular scenario.
机译：频段的拥塞低于6 GHz和6 GHz以上的可用原始带宽，导向研究人员利用毫米波谱作为增加移动宽带容量的选项。因此，需要调查不同方案的超宽带频率，现在成为一个关键问题。在本文中，提出了在26GHz频带处对不同数量的停车场行进行汽车反射案例研究的研究。测量运动是在大学技术马来西亚（UTM），吉隆坡，马来西亚，并分别用于发射机和接收器侧的定向喇叭和全天空。在26GHz频带中研究了自由空间（CI）和浮动拦截（FI）路径损耗模型。然后提出了新的路径增益因子以显示关于车行数的功率劣化。结果表明，与特定场景的FI模型相比，CI模型更适合。

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