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An Algorithm for Estimating the Signal Frequency at the Output of a Channel with a Controlled Information Flow under Phase Noise Conditions

https://doi.org/10.18255/1818-1015-2021-4-452-461

Abstract

Research in the field of efficient frequency estimation algorithms is of great interest. The reason for this is the redistribution of the role of additive and phase noise in many modern radio-engineering applications. An example is the area of measuring radio devices, which usually operate at high signal-to-noise ratios (SNR). The estimation error is largely determined not by the broadband noise, but by the frequency and phase noise of the local oscillators of the receiving and transmitting devices. In particular, earlier works \\cite{Nikiforov} proposed an efficient computational algorithm for estimating the frequency of a quasi-harmonic signal based on the iterative calculation of the autocorrelation sequence (ACS). In \\cite{Volkov}, this algorithm was improved and its proximity to the Rao-Cramer boundary was shown (the sources of this noise are master oscillators and frequency synthesizers). Possibilities of frequency estimation in radio channels make it possible to significantly expand the functionality of the entire radio network. This can include, for example, the problem of adaptive distribution of information flows of a radio network. This also includes the tasks of synchronization and coherent signal processing. For these reasons, more research is needed on this algorithm, the calculation of theoretical boundaries and their comparison with the simulation results.

About the Authors

Leonid Nikolaevich Kazakov
P. G. Demidov Yaroslavl State University
Russian Federation


Evgenii Pavlovich Kubyshkin
P. G. Demidov Yaroslavl State University
Russian Federation


Ilya Victorovich Lukyanov
OOO “NPP “LAMA” ”
Russian Federation


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Review

For citations:


Kazakov L.N., Kubyshkin E.P., Lukyanov I.V. An Algorithm for Estimating the Signal Frequency at the Output of a Channel with a Controlled Information Flow under Phase Noise Conditions. Modeling and Analysis of Information Systems. 2021;28(4):452-461. (In Russ.) https://doi.org/10.18255/1818-1015-2021-4-452-461

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ISSN 1818-1015 (Print)
ISSN 2313-5417 (Online)