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Statistical characteristics of soft decoding transformation

V. L. Seletkov


On a basis of numerical results of imitation simulation there are considered basic statistical characteristics of on-linear transformation of soft decoding for practically applied approximation of logarithmic likelihood ratio of binary sums of code symbols from random values of continuous (quantized) measurements.


error correcting coding; error correcting decoding; soft–input–soft–output; log likelihood ratio; LLR

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R. Morelos-Zaragoza, The Art of Error Correcting Coding (John Wiley & Sons Inc., New York, 2002; Tekhnosfera, Moscow, 2005).

B. Sklar, Digital Communications. Fundamentals and Applications (Prentice-Hall, New Jersey, 2001; Williams, Moscow, 2003).

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