Paper
18 December 2019 Effects of surface roughness on terahertz wireless links
Author Affiliations +
Abstract
This work describes the diffuse scattering response of a terahertz data stream on metallic rough surfaces to investigate its influence on wireless channels. The measurements are performed using a wireless link with carrier frequencies operating from 100-400 GHz with transmitter and receiver modules mounted on separate rotatable rails. The acquired data are analyzed to determine the dependence of scattering pattern on surface roughness parameters, including rms height and correlation length. Fundamentals of scattering and reflections are explained and integral equation method (IEM) with an exponential correlation function is verified for theoretical predictions. The implications of surface roughness for non-line-of-sight (NLOS) paths in non-specular directions are discussed for the first time.
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Jianjun Ma, Rong Wang, Rabi Shrestha, Wei Zhang, Lothar Moeller, and Daniel M. Mittleman "Effects of surface roughness on terahertz wireless links", Proc. SPIE 11334, AOPC 2019: Optoelectronic Devices and Integration; and Terahertz Technology and Applications, 113341J (18 December 2019); https://doi.org/10.1117/12.2542505
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KEYWORDS
Scattering

Terahertz radiation

Antennas

Non-line-of-sight propagation

Non-line-of-sight propagation

Receivers

Receivers

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