Quality Analysis of Space and Space-Frequency Adaptive Signal Processing Algorithms in Satellite Navigation Systems

Glushankov, Ye. I.; Tsarik, V.

doi:10.31854/1813-324x-2022-8-3-37-43

jour

2022

DOI: 10.31854/1813-324x-2022-8-3-37-43

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Quality Analysis of Space and Space-Frequency Adaptive Signal Processing Algorithms in Satellite Navigation Systems

Ye. I. Glushankov

V. Tsarik²

Abstract: The problem of interference mitigation in satellite navigation signals is considered. Construction algorithms for space- and space-frequency adaptive filters are described. The processing of real satellite signals with broadband interference by means of the constructed filters is carried out in MATLAB. As a result of comparing different processing quality indicators, the most efficient filtering algorithms are identified.

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2023

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Practical realization of space-time filtering of satellite navigation signals in real time

Glushankov

Tsarik²

2023

Physics of Wave Processes and Radio Systems

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Background. The problem of satellite navigation signals’ jamming-protected receivers design is quite relevant due to the high vulnerability of such signals to the influence of interferences whose sources number is constantly increasing. Aim. To design a space-time adaptive filter and to implement its work in real-time as a part of jamming-protected satellite navigation system. Methods. The space-time filtering method fitted for the real-time realization is obtained based on the satellite signal space processing algorithm. The apparatus chosen for the satellite navigation signals reception, the filtering algorithm practical realization and the processed signal demodulation is described. The computer modeling of the signals records filtering and demodulation using the obtained algorithm as well as the real-time experiments in satellite signals processing with different numbers of outer jammers using the constructed jamming-protected receiver are carried out. Results. As a result of modeling and experiments with the designed set the values of performance characteristics of the jamming-protected navigation system are yielded which correspond to a good quality solution of the interference mitigation problem in a satellite navigation signal. Conclusion. The digital processing model based on the obtained space-time filter adequately describes the interference mitigation process in a real satellite signal. The obtained jamming-protected satellite navigation signal receiver is functional and can be used in practice.

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Practical realization of space-time filtering of satellite navigation signals in real time

Glushankov

Tsarik²

2023

Physics of Wave Processes and Radio Systems

View full text Add to dashboard Cite

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Quality Analysis of Space and Space-Frequency Adaptive Signal Processing Algorithms in Satellite Navigation Systems

Cited by 1 publication

References 5 publications

Practical realization of space-time filtering of satellite navigation signals in real time

Practical realization of space-time filtering of satellite navigation signals in real time

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