<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In this paper, the digital algorithm and the device for the demodulation of the quadrature amplitude modulation signals are considered. The fundamental advantages of our approach are simple hardware implementation, minimal number of arithmetic operations required over the signal period as well as the potential interference immunity in the presence of Gaussian noise. The expressions have been found for the error probability and their inaccuracy has been estimated. By means of the statistical simulation methods, the practical interference immunity of the introduced demodulator, together with the influence of phase locking errors have been tested. The introduced demodulator can be implemented either as a device independent from the programmable logic devices, or as an installation unit of the receiver equipment.</p></abstract>

In this paper, the digital algorithm and the device for the demodulation of the quadrature amplitude modulation signals are considered. The fundamental advantages of our approach are simple hardware implementation, minimal number of arithmetic operations required over the signal period as well as the potential interference immunity in the presence of Gaussian noise. The expressions have been found for the error probability and their inaccuracy has been estimated. By means of the statistical simulation methods, the practical interference immunity of the introduced demodulator, together with the influence of phase locking errors have been tested. The introduced demodulator can be implemented either as a device independent from the programmable logic devices, or as an installation unit of the receiver equipment.

Digital Demodulator of the Quadrature Amplitude Modulation Signals

International Laboratory of Statistics of Stochastic Processes and Quantitative Finance

Department of Higher Mathematics and System Analysis, Faculty of Engineering and Economics

Department of Electronics and Nanoelectronics, Faculty of Electrical Engineering

Department of Infocommunication Systems and Technologies, Faculty of Radio Engineering, Voronezh Institute of the Ministry of Internal Affairs of the Russian Federation

Department of Radio Engineering, Faculty of Radio Engineering and Electronics

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Digital Demodulator of the Quadrature Amplitude Modulation Signals"}

In this paper, the digital algorithm and the device for the demodulation of the quadrature amplitude modulation signals are considered. The fundamental...

Digital Demodulator of the Quadrature Amplitude Modulation Signals

Publié en ligne: 30 nov. 2018

Pages: 236 - 242

Reçu: 06 avr. 2018

Accepté: 03 nov. 2018

DOI: https://doi.org/10.1515/msr-2018-0032

Mots clés
Quadrature amplitude modulation, coherent signal processing, noise interference, interference immunity, phase locking

© 2018 Oleg Chernoyarov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Digital Demodulator of the Quadrature Amplitude Modulation Signals

Publié en ligne: 30 nov. 2018

Pages: 236 - 242

Reçu: 06 avr. 2018

Accepté: 03 nov. 2018

DOI: https://doi.org/10.1515/msr-2018-0032

Mots clésQuadrature amplitude modulation, coherent signal processing, noise interference, interference immunity, phase locking

© 2018 Oleg Chernoyarov et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Quadrature amplitude modulation, coherent signal processing, noise interference, interference immunity, phase locking