Abstract
Based on the developed methodology for analyzing the noise immunity of receiving radio signals with quadrature phase shift keying (QPSK), the probabilities of a bit error in the presence of interference with linear frequency modulation were calculated and compared with the influence of harmonic interference. A technique is presented without calculating the probability of correct reception, using conditional transition probabilities between positions of the signal constellation, which has no restrictions on signal and interference levels.
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Zvonarev, V.V., Popov, A.S. Method for Calculating the Probabilities of Bit Errors in Radio Signal Reception with QPSK-Modulation in the Presence of Interference with Linear Frequency Modulation. J. Commun. Technol. Electron. 68, 1296–1303 (2023). https://doi.org/10.1134/S1064226923110098
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DOI: https://doi.org/10.1134/S1064226923110098