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Extension of the BCH decoding algorithm to decode binary cyclic codes up to their maximum error correction capacities

机译:BCH解码算法的扩展,以解码二进制循环码,直至达到其最大纠错能力

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摘要

The BCH algorithm is extended to correct more errors than indicated by the BCH bound. In the first step of the decoding procedure, a number of errors corresponding to a particular case of the Hartmann-Tzeng bound are corrected. In the second step full error correction is the goal. A measure for the worst-case number of field elements of an extension field GF(2/sup m/) that must be tested for this purpose is given for binary cyclic linear unequal error protection codes as well as for conventional binary cyclic codes.
机译:扩展了BCH算法,以纠正比BCH边界指示的错误更多的错误。在解码过程的第一步,校正对应于Hartmann-Tzeng边界的特定情况的许多错误。在第二步中,目标是完全纠错。对于二进制循环线性不等差错保护码以及常规的二进制循环码,给出了为此目的必须测试的扩展场GF(2 / sup m /)的场元的最坏情况的度量。

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