The wireless communications systems in subterahertz frequency range

V. V. Biryukov; V. L. Vaks; S. A. Kapustin; V. A. Malakhov; A. N. Panin; S. I. Pripolzin; A. S. Raevskii; Yu. V. Raevskaya; V. V. Shcherbakov

doi:10.1117/12.3028521

6 September 2024 The wireless communications systems in subterahertz frequency range

V. V. Biryukov, V. L. Vaks, S. A. Kapustin, V. A. Malakhov, A. N. Panin, S. I. Pripolzin, A. S. Raevskii, Yu. V. Raevskaya, V. V. Shcherbakov

Author Affiliations +

Proceedings Volume 13168, Optical Technologies for Telecommunications 2023; 1316809 (2024) https://doi.org/10.1117/12.3028521
Event: Optical Technologies for Telecommunications 2023, 2023, Kazan, Russian Federation

Abstract

Background. The subterahertz and terahertz frequency ranges are very promising for development of high speed wireless communications systems because of possibility to get the bandwidth about some tens of GHz, which provides the high channel capacity. However fast signal attenuation at its propagation in atmosphere complicate the operation of communications systems in these ranges. Aim. Use of fixed narrow-beam antennas with high antenna power gain allows to provide the direct surface communications distance to some kilometers. The communications distance limitation can be partially removed decreasing the frequency down to 200 GHz and narrowing the channel bandwidth down to some GHz. Methods. The model of transmitter-receiver system (200-220 GHz) based of modern semiconductor devices is described in the manuscript. Results. The possibility of digital signals transmission with speed up to 1 Gbit/s at the distance of 1 km is experimentally shown. Conclusion. According to calculations the output power of transmitter about some hundreds mW is enough for data transmission at the distance up to 1.5 km with antenna power gain of no less than 50 dB.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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V. V. Biryukov, V. L. Vaks, S. A. Kapustin, V. A. Malakhov, A. N. Panin, S. I. Pripolzin, A. S. Raevskii, Yu. V. Raevskaya, and V. V. Shcherbakov "The wireless communications systems in subterahertz frequency range", Proc. SPIE 13168, Optical Technologies for Telecommunications 2023, 1316809 (6 September 2024); https://doi.org/10.1117/12.3028521

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KEYWORDS

Antennas

Telecommunications

Signal attenuation

Wireless communications

Terahertz radiation

Data communications

Field programmable gate arrays

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