Simulation of operation of dual-frequency antenna array of GLONASS consumer navigation equipment under influence of simulated interference-Reference-Cited by-同舟云学术

Simulation of operation of dual-frequency antenna array of GLONASS consumer navigation equipment under influence of simulated interference

Published:2021-06-25 Issue:3 Volume: Page:14-25
ISSN:2686-7680
Container-title:Issues of radio electronics
language:
Short-container-title:Voprosy radioèlektroniki

Author:

Antonov A. S.¹,Kapylov E. L.¹

Affiliation:

1. «NPP «Radar mms» JSC

Abstract

The article deals with the methods of increasing the noise immunity of the navigation equipment of the consumer under the influence of deliberate imitation interference (spoofing). The main differences between imitation interference and powerful noiselike interference are highlighted. The initial data for computer modeling of various signal-interference conditions are formed, with makes it possible to conduct a comparative analysis of various methods of interference suppression. The created model allows us to take into account the real coordinates of navigation satellites relative to the selected observation point, the geometry of the antenna array of the navigation receiver and its main functional characteristics. The possibility of using antenna arrays with a controlled diagram-forming scheme for focusing the radiation pattern in the directional of arrival of satellite navigation signals and creating a «zero» in the direction of arrival of interference is investigate. The dependence of the potential level of interference suppression on the elevation of interference arrival is analyzed. A comparison of two optimization methods used as an interference reduction algorithm is presented.

Publisher

CRI Electronics

Subject

General Medicine

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