INFLUENCE OF NONLINEARITY ON AVIATION SATELLITE COMMUNICATION CHANNEL PARAMETERS

Authors

  • Volodymyr Kharchenko Ningbo University of Technology, China; National Aviation University, Kyiv, Ukraine
  • Andrii Grekhov National Aviation University, Kyiv, Ukraine
  • Ismail Ali National Aviation University, Kyiv, Ukraine

DOI:

https://doi.org/10.18372/2306-1472.65.9815

Keywords:

amplifier nonlinearity, aviation satellite communication, convolutional coding, free space loss, noise temperature, OFDM channel, satellite transponder

Abstract

For an investigation of satellite amplifier nonlinearity impact on aviation OFDM communication channel parameters the original model of a link "Aircraft-Satellite-Ground Station" was built using MATLAB Sіmulіnk software. The model with adaptive modulation consists of a source of information, aircraft transmitter, uplink/downlink path, satellite transponder, and ground station receiver. The dependencies of a signal to noise ratio on free space path loss for different types of amplifier nonlinearity, signals modulation (BPSK, QPSK, 16QAM, 64QAM), noise temperatures were received. The spectrums and signals constellations of received signals were compared for different types of amplifier nonlinearity. Developed model allows predicting spectral regrowth of digitally modulated OFDM signals due to amplifier nonlinearity.

Author Biographies

Volodymyr Kharchenko, Ningbo University of Technology, China; National Aviation University, Kyiv, Ukraine

Kharchenko Volodymyr. Doctor of Engineering. Professor.
Winner of the State Prize of Ukraine in Science and Technology, Honored Worker of Science and Technology of Ukraine. Acting Rector of the National Aviation University, Kyiv, Ukraine.
Professor of Traffic College of Ningbo University of Technology, Ningbo, China.
Editor-in-Chief of the scientific journal Proceedings of the National Aviation University.
Education: Kyiv Institute of Civil Aviation Engineers, Kyiv, Ukraine.
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.

Andrii Grekhov, National Aviation University, Kyiv, Ukraine

Grekhov Andrii (1951). Doctor of Physics and Mathematics (1990). Professor (1991). Expert of EUROCONTROL for ADS-B systems.
Air Navigation Systems Department, National Aviation University, Kyiv, Ukraine.
Education: Physical Department of the Kyiv State Taras Shevchenko University, Ukraine (1973), M.Sc. Degree with Honors confirming qualification of Physicist Theorist.
Research area: satellite communications and information channels, computer modeling of information flows in airborne collision avoidance systems, ADS-B systems, surveillance processes and modern signal processing, expansion of terrestrial surveillance systems for ADS-B using satellite system IRIDIUM, noise resistant coding and forward error correction, aviation security assessment based on simulation.

Ismail Ali, National Aviation University, Kyiv, Ukraine

Ali Ismail (1990). Post-graduate Student.

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Published

01-02-2016

How to Cite

Kharchenko, V., Grekhov, A., & Ali, I. (2016). INFLUENCE OF NONLINEARITY ON AVIATION SATELLITE COMMUNICATION CHANNEL PARAMETERS. Proceedings of National Aviation University, 65(4), 12–21. https://doi.org/10.18372/2306-1472.65.9815

Issue

Vol. 65 No. 4 (2015)

Section

AEROSPACE SYSTEMS FOR MONITORING AND CONTROL

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