Proceedings of International Conference on Applied Innovation in IT
2021/04/28, Volume 9, Issue 1, pp.7-11

Evaluation of the Noise Immunity of the MIAM Communication System

Ivan Pavlov, Valery Lebedyancev, Sergei Abramov, Maria Pavlova, Eugenia Abramova

Abstract: The article proposes a modification of the known invariant amplitude modulation that transmits the values of information elements by the ratio of the lengths of the signal vectors lying on a straight line passing through the origin of the coordinate system of the signal space [1]. Modification of this modulation makes it possible to use signals whose vector ends lie on a straight line that does not necessarily pass through the origin of the signal space coordinate system. This gives the opportunity to use in a greater variety of signals, not just signals of similar shape as in the well-known invariant of amplitude modulation that can be useful to enhance immunity against a specific type of interference and to secrecy of messages transmitted. The article contains an assessment of the noise immunity of a communication system with modified invariant amplitude modulation to white noise and a description of its structural scheme.

Keywords: Group of Transformations, Communication Channel, Invariant Group of Transformations, Modified Invariant Amplitude Modulation, Noise Immunity, Invariant Communication System

DOI: 10.25673/36579

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  3. B. R. Levin, Theoretical foundations of static radio engineering, 1st ed., Moscow, Sovetskoe radio, 1969, 752 p.
  4. A. M. Zajezdnii, Fundamentals of calculations for static radio engineering, Moscow, Сommunication, 1969, 448 p.
  5. V. V. Lebedyancev, S. S. Abramov, I. I. Pavlov, E. V. Morozov, E. S. Abramova, and M. S. Pavlova, “Modified invariant amplitude modulation,” Journal T-Comm. Telecommunications and transport. 2020, t.14, no. 6, pp. 13-19.



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