Radiotekhnika
Publishing house Radiotekhnika

"Publishing house Radiotekhnika":
scientific and technical literature.
Books and journals of publishing houses: IPRZHR, RS-PRESS, SCIENCE-PRESS


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A method for obtaining the soft decisions with respect to binary information symbols is considered. The algorithm consists in deter­mining the sufficient estimates of the symbol values of channel signals by the decomposition method, separately with respect to each check relationship, and summing up the sufficient estimates by the least-square method. The complexity of realization of the method is proportional to the number of check relationships, code length and rate, the average number of check relationships, and the expo­nential function of the latter.

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