Analysis on Frequency Dependence of Large Scale Fading in Urban Environment

Wanpeng Zhang, Lei Tian , Tao Jiang , An Huang , Jianhua Zhang Jianhua Zhang, Yi Zheng

2019 13th European Conference on Antennas and Propagation (EuCAP)
Publish Year: 2018

Abstract: This paper presents the frequency dependence of the path loss in urban macro-cellular (UMa) scenario under the non-line-of-sight (NLOS) case. The mobility measurements in two different cities are conducted to obtain the path loss at 2.54, 3.5, 4.9, and 5.4 GHz. Some special UMa environments are illustrated. Furthermore, their path loss characteristics and the reason for causing this phenomenon are analyzed. Comparison of the frequency dependence coefficient (FDC) in different environments are performed. The results show the values of FDC remain stable in different UMa environments under the NLOS case while other parameters of fitting results variant. Additionally, this paper investigates the FDC in different distances. It can be found that the FDC shows little dependence on the distance at low frequencies, and the FDC in different distances shows a normal distribution. The results indicate that the FDC is not influenced by environments and distances in the UMa scenario under the NLOS case.

 

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