The invention is an error detection and correction system which encodes data twice, once for error detection by using a cyclic redundancy check (CRC) code with a generator polynomial, g(x) [in octal form]:...http://www.google.fr/patents/US5136592?utm_source=gb-gplus-shareBrevet US5136592 - Error detection and correction system for long burst errors
Error detection and correction system for long burst errors