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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v76.i2.50
pages 147-155

MULTI FREQUENCY SYNTHEZIER OF BISPECTRAL TRIPLET- SIGNAL DESIGNED FOR DIGITAL COMMUNICATION SYSTEM

V. V. Naumenko
National Aerospace University (Kharkiv Aviation Institute), 17, Chkalov St., Kharkiv, 61070, Ukraine
A. V. Totsky
National Aerospace University (Kharkiv Aviation Institute), 17, Chkalov St., Kharkiv, 61070, Ukraine
S. K. Pidchenko
Khmelnytsky National University, Department of Telecommunications and Computer-Integrated Technologies, Institutska Str. 11, 29000, Khmelnitsky, Ukraine
J. T. Astola
Tampere University of Technology, Signal Processing Laboratory, P. O. Box 553, FIN-33101, Tampere, Finland
O. A. Polotska
V. Karazin National University of Kharkov, 4, Svoboda Sq., Kharkiv, 61077, Ukraine

要約

A technique for improving the noise immunity of digital communication systems by the exploiting novel bispectrum-organized modulation and demodulation procedures and by using the novel test signal detection and discrimination statistic in the form of bispectrum magnitude peak is suggested. Practical schema designed for synthesis of bispectral-organized triplet-signals for digital communication systems is suggested and studied. Communication channel model with additive Gaussian noise is considered in computer simulations. The results of computations of bit error rate carried out within wide limits of bit energy to the spectral density of the additive Gaussian noise ratios demonstrate the benefits provided by the suggested technique as compared to the well-known frequency shift keying modulation using common energy-based signal detection test statistics that evaluated in the form of the correlation integral maximum estimate.


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