Abstract
In this paper, two BCH soft decoders are proposed suitable for high rate codes with medium to large word length. The proposed decoders provide a programmable performance gain, with a reduced critical path allowing for an increase upto m/2 times the operating frequency of algebraic decoders, where m is the Galois field size. Our proposed decoders operate only on the least reliable bits, which leads to a reduction in the decoder complexity by removing the Chien search procedure.
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