Article

Article title USING THE SYNERGY PROPERTIES TO IMPROVE NOISE IMMUNITY OF COMMUNICATION SYSTEMS
Authors I.A. Engibaryan, B.Kh. Kulbikayan, O.A. Safar’yan
Section SECTION III. INFORMATION TECHNOLOGY, APPLIED INFORMATION SYSTEMS AND NETWORKS
Month, Year 11, 2015 @en
Index UDC 621.39
DOI
Abstract On the example of the part of communication system "switching centre-base station" the existence of properties of synergy in electronic systems containing a large number of simultaneously and independently operating generators examines in the article. It is shown that the possibility of the existence of this property is related to the introduction of additional links in the system that allows for simultaneous measurement of the phases of the carrier signals generated by these generators to obtain an estimate of the deviation of the oscillator frequency from the nominal value with a smaller variance than the volatility of any generator in the system. As an indicator of synergy considers the interference immunity of the system, defined as the probability of error in demodulating one-bit digital stream. The results of the researches, allowing to estimate the manifestation of the properties of synergy depending on the number of generators included in the communication system. Using numerical simulation, the evaluation of the gain in reducing the probability of bit error, depending on the system parameters that determine its synergies (number of generators and their relative instabilities). In particular, in the example it is shown that the manifestation of the properties of energichnost provides increased stability of the generators in 2...10 times and improving the interference immunity system.

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Keywords Communication system; the interference immunity of communication system; synergies; stability of frequency; the bit error probability.
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