Abstract
The decoding of double-error-correcting (DEC) Reed-Solomon (RS) codes is considered. It is shown that by modifying a well known decoding algorithm for DEC RS codes and solving the error-locator polynomial by Berlekamp's method for solving quadratic equations, efficient hardware architectures can be derived. Furthermore, these architectures are particularly suited to implementation over the dual basis. As an example, the architecture of a (15, 11) RS codec is described. The approaches discussed here also lend themselves to the decoding of double-error-correcting/triple-error-detecting RS codes and allow for reduced decoding times compared with alternative approaches to decoding these codes.
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