Patent ID: 9425830
Filing Date: 2016-08-23
CPC Classification: H03M,H04L

Claim Text:
1. An error detection device comprising: a code sequence generator configured to generate an input code sequence from a signal that repeatedly transmits a code sequence that includes data, an error detection code, and an error correction code; a decoding-target code sequence generator configured to generate a decoding-target code sequence that includes recovered data, an error detection code, and an error correction code from the input code sequence; an error corrector configured to generate a corrected code sequence by executing an error correction process that uses the error correction code in the decoding-target code sequence on the decoding-target code sequence; an error detector configured to decide whether or not the recovered data in the corrected code sequence includes an error by using the error detection code in the decoding-target code sequence; a reference code sequence generator configured to generate a reference code sequence that is obtained by adding to the corrected code sequence a corresponding error correction code, or a reference code sequence that is obtained by adding to the recovered data a corresponding error detection code and a corresponding error correction code, when the error detector decides that the recovered data includes no errors; and a verification unit configured to verify whether or not a decision that is made by the error detector is correct according to a comparison result between the reference code sequence and a sequence of a corresponding area in the input code sequence.