PULSE CHARACTERISTICS OF NETWORK SATELLITE SYSTEMS ADAPTIVE ANTENNA FOR ASSESSING CORRELATION INTERFERENCE MATRIX

Authors

  • Volodymyr Kharchenko National Aviation University
  • Valeriyan Shvets National Aviation University

DOI:

https://doi.org/10.18372/2306-1472.73.12168

Keywords:

network satellite systems, correlation matrix, impulse characteristics, adaptive antenna array, beam pattern

Abstract

Purpose: On the basis of spatial filtering, we propose a method for direct calculation of the inverse correlation interference matrix with unknown parameters of the input action for controlling the pattern of the adaptive antenna array using the impulse response of the spatial filter. Methods: the approach is based on the theory of random processes and adaptive signal processing. Results: the proposed method of direct calculation of the inverse correlation matrix has shown the possibility of carrying out such calculations without a prior knowledge of the interference direction, the correlation function of the interference, and also the spectral characteristics of the interference. The method allows to reduce the calculation time of the inverse correlation matrix and eliminate the errors caused by constructive inaccuracies of the radio channels of the adaptive antenna array, which in turn reduces the error in measuring the direction of the interference source. Discussion: the method is suggested in order to ensure availability and consistency of network satellite systems’ navigation data.

Author Biographies

Volodymyr Kharchenko, National Aviation University

Doctor of Engineering. Professor.

Vice-Rector on Scientific Work of the National Aviation University, Kyiv, Ukraine.

Editor-in-Chief of the scientific journal Proceedings of the National Aviation University.

Winner of the State Prize of Ukraine in Science and Technology, Honored Worker of Science and Technology of Ukraine.

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 provided by CNS/ATM systems.

Valeriyan Shvets, National Aviation University

PhD. Associate Professor.

Department of Information Security, National Aviation University, Kyiv, Ukraine.

Education: Kyiv Institute of Civil Aviation Engineers, Kyiv, Ukraine.

Research area: digital signal processing, adaptive information processing, information security, cybersecurity, biometrics, computer systems and programming.

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Published

26-12-2017

How to Cite

Kharchenko, V., & Shvets, V. (2017). PULSE CHARACTERISTICS OF NETWORK SATELLITE SYSTEMS ADAPTIVE ANTENNA FOR ASSESSING CORRELATION INTERFERENCE MATRIX. Proceedings of National Aviation University, 73(4), 30–35. https://doi.org/10.18372/2306-1472.73.12168

Issue

Section

AEROSPACE SYSTEMS FOR MONITORING AND CONTROL