Overview of methods for improving noise immunity of the satellite radio navigation systems receiving equipment using the adaptive antenna arrays

Authors: Soldatov I.V.
Published in issue: #5(82)/2023
DOI: 10.18698/2541-8009-2023-5-896
Category: Instrument Engineering, Metrology, Information-Measuring Instruments and Systems | Chapter: Solid-state electronics, radioelectronic components, micro - and nanoelectronics
Keywords: satellite radio navigation systems, consumer equipment, increase in noise immunity, noise-immune consumer equipment, adaptive antenna arrays, space-time signal processing, space-time filtering, noise suppression
Published: 22.05.2023

The paper reviews methods that make it possible to introduce the adaptive antenna array in relation to the consumer navigation equipment. The overview used the articles published in the Radio Navigation Technologies collection and in the Radio Engineering Journal from 2012 to 2022, and other literature on this topic. Basic concepts associated with increasing noise immunity of the consumer navigation equipment are described, and main variations in implementing the adaptive antenna array adaptation algorithms based on spatial and space-time signal processing are identified. Approaches to introducing the adaptation algorithms based on the theory of statistical analysis and the synthesis of radio engineering systems are demonstrated, as well as approaches based on finding the optimal solution for a given structure by the mathematical optimization methods, i. e. on obtaining a consistent solution (optimal solution for the given conditions). Within the framework of these approaches, results in improving noise immunity and implementing adaptation algorithms in the adaptive antenna arrays are reflected and compared. Certain features of the adaptive antenna arrays introduction in the products are provided.

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