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A fuzzy logic based AGC algorithm for a radio communication system

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3 Author(s)
Ramirez-Barajas, J. ; Dept. of Electr. Eng., ITESM, Monterrey, Mexico ; Dieck-Assad, G. ; Soto, Rogelio

This paper describes the implementation of a fuzzy logic automatic gain control (AGC) applied to amateur radio communications using ionospheric propagation mode and single side band radio equipment. A fuzzy logic algorithm was directly substituted for the original AGC algorithm, which resulted in an improved signal strength, clarity response and algorithm performance. A comparison between the division and a fuzzy logic based algorithms shows a reduction in RMS gain from 12.45 to 6.45 dB. Moreover, in signal clarity, the fuzzy based AGC algorithm obtained the best no-distortion rank. This implementation proves the feasibility of real-time fuzzy logic based AGC in communication systems

Published in:

Fuzzy Systems, 2000. FUZZ IEEE 2000. The Ninth IEEE International Conference on  (Volume:2 )

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