Information theory: two theories in one

A. Platonov

doi:10.1117/12.2040233

25 October 2013 Information theory: two theories in one

A. Platonov

Author Affiliations +

Proceedings Volume 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013; 89032G (2013) https://doi.org/10.1117/12.2040233
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 2013, Wilga, Poland

Abstract

The goal of the paper is a discussion of benefits and fields of application of the optimal analog feedback communication systems (AFCS) and comparison of the approaches to their and digital communication systems (DCS) optimization. There is shown a deep difference between the mathematical tools used for the analysis and optimization of AFCS and DCS which permits to consider the approaches to their optimization as independent directions of research in information theory. The main reason of differences is qualitative difference of the sources of signals transmitted by the systems. Both analog and digital systems solve similar task but in completely different way. The results of analysis show that digital CS are irreplaceable for digital signals transmission. However, in all cases, where optimal AFCS can be applied, they transmit analog signals with the greater power-bandwidth efficiency than DCS designed for the same applications. The paper is based on previous author’s research and researches in AFCS theory carried out in the 1950-1960s.

Citation Download Citation

A. Platonov, A. Platonov, "Information theory: two theories in one", Proc. SPIE 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 89032G (25 October 2013); doi: 10.1117/12.2040233; https://doi.org/10.1117/12.2040233

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