Wireless communication systems of terahertz frequency range

 

V. L. Vaks ^1,2, V. V. Biryukov ¹,  K. I. Kisilenko ¹, A. N. Panin ^1,2, S. I. Pripolzin ^1,2, A. S. Raevskiy ¹, V. V. Scherbakov¹

¹ Nizhny Novgorod State Technical University, Nizhny Novgorod, Minin str., 24
² Institute for Physics of Microstructures of the Russian Academy of Sciences, Nizhny Novgorod, GSP-105, 603950, Russia

 

The paper is received on November 26, 2018

 

Abstract. Terahertz frequency range is very promising for development of high speed wireless communications systems. In spite of complicated operation of communication systems due to fast signal attenuation at its propagation in atmosphere one can achieve the bandwidth about some tens of GHz, which provides the high channel capacity in terahertz frequency range. Use of fixed narrow-beam antennas (Kassegren antennas) with high antenna power gain allows to provide the direct surface communications distance to some kilometers. The model of transmitter-receiver system of 200-220 GHz range based on modern semiconductor devices is presented. The transmitter outpower of some hundreds microwatts is shown to be sufficient for data transmission for the distance of 1.5 km with antenna power gain of no less than 50 dB according theoretical calculations. The possibility of digital signal transmitting with the speed up to 1 Gb/s for the distance of 1 km is shown experimentally.

Key words: terahertz frequency range, high speed wireless communications systems, transmitter-receiver system, digital signal.

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For citation:

V. L. Vaks, V. V. Biryukov,  K. I. Kisilenko, A. N. Panin, S. I. Pripolzin, A. S. Raevskiy, V. V. Scherbakov. Wireless communication systems of terahertz frequency range. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 12. Available at http://jre.cplire.ru/jre/dec18/4/text.pdf

DOI  10.30898/1684-1719.2018.12.4