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Telecommunications and Radio Engineering
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ISSN Druckformat: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v78.i6.60
pages 537-557

ENERGY CALCULATION OF THE TERAHERTZ RADIO LINK

T. M. Narytnyk
National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" (NTUU "KPI") 2, Industrialnyi Lane, 03056 Kyiv, Ukraine
V. Saiko
Taras Shevchenko Kyiv National University, 64/13 Volodymyrska St., 01601 Kyiv, Ukraine
O. I. Bilous
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine
Anatoly Ivanovich Fisun
A.Ya. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

ABSTRAKT

Analysis of the characteristics of digital radio communication via the channels of the terahertz frequency band is carried out taking into account the characteristics of the signal propagation path and determining the signal losses in the operating conditions of the radio relay system in the terahertz frequency band. Based on the analysis it was shown that fading due to attenuation of the signal by the hydrometeors, fading due to radio signal absorption in gases, and fading due to the influence of antenna patterns are the most significant among the known types of fading in the 30…300 GHz frequency band, and they have to be considered when designing. The terahertz band frequency domains, which are the most suitable for use for the radio relay communication lines, are separated. It is shown that operation of terahertz radio relay lines makes it possible to practically disregard the refraction and interference of the electromagnetic waves reflected from the obstacles in the signal propagation zone, which occur especially in dense urban construction areas. The energy calculation of the terahertz radio communication line is carried out on the basis of the developed methodology and the results obtained in the studies performed and the nationally developed means for signal transmission in the terahertz band. The technique is based on using the technology of calculation of an isotropic radiating radio wave, taking into account both the required signal-to-(interference + noise) ratio for the type of modulation applied and compensation for the energy losses on the path under the influence of the distorting factors.

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