Performance optimization in soft decoding for turbo product codes
Abstract:
Systems for performing turbo product code decoding includes an error intersection identifier determining a set of one or more error intersections using a set of error-containing codewords, and updating, based at least in part on Chase decoding performed on the set of error-containing codewords, the set of error intersections to obtain an updated set of one or more error intersections, a bit location selector suitable for selecting, from the set of error intersections, a set of one or more least reliable bit locations using soft information associated with the set of error-containing codewords, and a Chase decoder performing Chase decoding on the set of error-containing codewords based on a first value being a number of least reliable bit locations and a second value being a maximum number of allowable flips allowed out of the number of least reliable bit locations.
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