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ISSN 2415-3400 (Online)
ISSN 1028-821X (Print)

INFORMATION TRANSMISSION BASED ON SPECTRUM MANIPULATION OF A WIDEBAND CHAOTIC SIGNAL

heading: 
STATISTICAL RADIOPHYSICS
Zemlyaniy, OV
Organization: 

O. Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine
12, Proskura st., Kharkov, 61085, Ukraine
E-mail: zolvas@ukr.net
https://doi.org/10.15407/rej2015.03.072
Language: russian
Abstract: 

Application of chaotic signals in modern radar and telecommunications is an actual task that can significantly extend the functionality of these systems and improve their performance. In this paper, a method for information transmission using chaotic signal generated by nonlinear dynamical system with delayed feedback of ring type has been suggested. Modulating information sequence controls the parameter of non-linear element, so that it switches the chaotic modes and changes the spectral structure of the signal transmitted to the communication channel. A non-coherent reception was used for demodulation of the received message. The effectiveness of this method of information transmission for the covert operation of communication system in a complex interference environment has been shown.
Keywords: a nonlinear dynamical system with delayed feedback, broadband data transmission system, deterministic chaos

Manuscript submitted 05.06.2015 г.
PACS     05.45.Gg; 05.45.Pq; 05.45.Vx
Radiofiz. elektron. 2015, 20(3): 72-78
Full text  (PDF)

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