METHOD FOR SELECTING THE OPTIMAL DURATION OF OFDM SYMBOLS PREFIX IN SATELLITE COMMUNICATION CHANNELS OF AIR NAVIGATION SYSTEM

Authors

  • Volodymyr Kharchenko National Aviation University
  • Roman Odarchenko National Aviation University
  • Ali Ismail National Aviation University

DOI:

https://doi.org/10.18372/2306-1472.85.15130

Keywords:

satellite communication, OFDM, cyclic prefix, OFDM symbol, multipath time

Abstract

To study the method of selecting the optimal duration of the prefix OFDM-symbols in satellite communication channels, the original model of the communication line "Aircraft satellite-ground station" was built. The adaptive modulation model consists of an information source, an aircraft transmitter, an uplink / downlink, a satellite transponder, and a ground station receiver. OFDM technology for combating the effects of multipath is considered. The method of combating intersymbol interference based on the use of OFDM technology has been improved.

Author Biographies

Volodymyr Kharchenko, National Aviation University

Doctor of Engineering. Professor. Holder of a State Award in Science and Engineering of Ukraine. Winner of a State Prize of Ukraine in Science and Engineering. Director of Research Training Center "Aerospace Center", National Aviation University, Kyiv, Ukraine. Education: Kyiv Civil Aviation Engineers Institute with a Degree in Radio Engineering, Kyiv, Ukraine (1967). Research area: management of complex socio-technical systems, air navigation systems and automatic decision-making systems aimed at avoidance conflict situations, space information technology design, air navigation services in Ukraine provided by СNS/АТМ systems.

Roman Odarchenko, National Aviation University

Doctor of Technical Sciences (2019). Docent (2018). Head of Department of Telecommunication and Radioelectronic Systems, National Aviation University, Kyiv, Ukraine. Education: Department of Telecommunication Systems, National Aviation University, Kyiv, Ukraine (2010), M.Sc. Degree with Honors confirming qualification of Researcher (Electronics, telecommunications). Research area: communications and information channels, cellular networks, wireless systems, computer networks, 5G.

Ali Ismail, National Aviation University

Post-graduate Student.

References

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Published

22-12-2020

How to Cite

Kharchenko, V., Odarchenko, R., & Ismail, A. (2020). METHOD FOR SELECTING THE OPTIMAL DURATION OF OFDM SYMBOLS PREFIX IN SATELLITE COMMUNICATION CHANNELS OF AIR NAVIGATION SYSTEM. Proceedings of National Aviation University, 85(4), 6–12. https://doi.org/10.18372/2306-1472.85.15130

Issue

Vol. 85 No. 4 (2020)

Section

AEROSPACE SYSTEMS FOR MONITORING AND CONTROL

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