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The Fast Algorithm for Demodulation of Differential Amplitude Phase Shift Keyed Signals

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Software Engineering Application in Systems Design (CoMeSySo 2022)

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 596))

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Abstract

A digital algorithm for the demodulation of the differential amplitude phase shift keyed (DAPSK) signals is considered. The transmitted information signal is represented by a known multipath amplitude phase shift keyed (Gray-APSK) signal constellation, in which the information symbol is determined by a relative amplitude change and a phase shift of the received and preceding symbols. Demodulation is implemented based on the digital phase and amplitude detectors. Coherent processing of the signal phase shift is provided while there is no phase locking in the reference generator. An algorithm for a relative estimate of the change in the amplitudes of the adjacent symbols is proposed, which makes it possible to abandon the rigid level calibration of the received signals. #COMESYSO1120.

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Acknowledgements

This work was financially supported by the Ministry of Education and Science of the Russian Federation (research project No. FSWF-2020–0022).

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Authors and Affiliations

  1. National Research University “MPEI”, Krasnokazarmennaya Str. 14, 111250, Moscow, Russia

    Oleg Chernoyarov & Kaung Myat San

  2. National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia

    Oleg Chernoyarov

  3. Maikop State Technological University, Pervomaiskaya Str. 191, 385000, Maikop, Russia

    Oleg Chernoyarov

  4. Zhukovsky-Gagarin Air Force Academy, Marshal Nedelin Street 133, 394052, Voronezh, Russia

    Alexey Glushkov

  5. Voronezh State Technical University, Moscow Avenue 14, 394026, Voronezh, Russia

    Vladimir Litvinenko & Yuliya Litvinenko

Authors
  1. Oleg Chernoyarov
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  2. Alexey Glushkov
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  3. Kaung Myat San
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  4. Vladimir Litvinenko
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  5. Yuliya Litvinenko
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Corresponding author

Correspondence to Oleg Chernoyarov .

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Editors and Affiliations

  1. Faculty of Applied Informatics, Tomas Bata University in Zlín, Zlín, Czech Republic

    Radek Silhavy

  2. Faculty of Applied Informatics, Tomas Bata University in Zlín, Zlín, Czech Republic

    Petr Silhavy

  3. Faculty of Applied Informatics, Tomas Bata University in Zlín, Zlín, Czech Republic

    Zdenka Prokopova

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Chernoyarov, O., Glushkov, A., San, K.M., Litvinenko, V., Litvinenko, Y. (2023). The Fast Algorithm for Demodulation of Differential Amplitude Phase Shift Keyed Signals. In: Silhavy, R., Silhavy, P., Prokopova, Z. (eds) Software Engineering Application in Systems Design. CoMeSySo 2022. Lecture Notes in Networks and Systems, vol 596. Springer, Cham. https://doi.org/10.1007/978-3-031-21435-6_5

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