Overview of Radio Propagation Models in the Millimeter Wave Range for Cellular Networks

Mohammed, Ibraheem; Aibinu, Abiodun Musa; Karataev, Tologon

doi:10.1109/icmeas52683.2021.9739808

Cited by 1 publication

(2 citation statements)

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“…E LOS α (x r , y r , h r ), α = 1, 2, • • • , 6 are the electric fields of the reflected waves at the receiving points, and λ denotes the wavelength of the electromagnetic waves. d α (x r , y r , h r ), α = 0, 1, 2, • • • , 6 are the lengths of the direct ray and reflected rays from the transmitting to receiving antennas, which can be calculated by (4). In (10), the symbols, Γ α (θ α ), α = 1, 2, • • • , 6, represent the reflection coefficients of different planes, and they are given by…”

Section: Electric Fields For Line-of-sight Conditionmentioning

confidence: 99%

“…In fact, the propagation characteristic, in particular path loss, is a significant concern in deploying these links. However, the frequency bands below 6 GHz are congested due to the popularity of the existing communication technologies [4]. Therefore, future communication systems should take high frequency bands beyond 6 GHz into consideration.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A 3D Multi-rays Path Loss Model above 6 GHz under Indoor Environments with Regular Structures

Yu¹,

Liu²,

Yang³

et al. 2022

PIER C

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An analytical multi-rays path loss model with low complexity and high accuracy is proposed to realize the ubiquitous communication links with solid stability and full coverage. The closedform formulas are derived to describe the path loss above 6 GHz under regularly-structured indoor environments, ensuring a clear propagation mechanism and low computational complexity. In this model, the construction and destruction of the dominant rays, i.e., the direct, reflected, diffracted, diffracted-reflected, and reflected-reflected rays, on the path loss, are considered according to variation of the transmitting antenna position and propagation condition. The proposed model contains information on the sizes, structures, and materials of the environments and eliminates the influences of small scale fading by averaging the path loss over a circle with radius of ten wavelengths. Based on the measurements under the "L-shaped" corridor and office environments at 8 GHz band, the accuracy and extensibility of the proposed path model are verified. This work can help analyze the propagation mechanisms and construct the solver for calculating the attenuation of electromagnetic waves under indoor environments. It can also provide vital information for the link budget and node deployment for future wireless communication systems above 6 GHz.

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Section: Electric Fields For Line-of-sight Conditionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%