FIELD: radio engineering.
SUBSTANCE: proposed decoder that functions to search for state at frame boundary and to additionally search for state at frame boundary in compliance with size of state search window has metrics-of-branching computing unit, addition-comparison-choice circuit, maximal likelihood state search unit, delay unit, log-likelihood ratio updating unit, and selector.
EFFECT: enhanced operating precision and enlarged functional capabilities.
11 cl, 17 dwg
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