BLOCK CODE ENCODING AND DECODING METHOD Russian patent published in 2019 - IPC H03M13/05 

FIELD: data processing.

SUBSTANCE: invention relates to the errors countering methods in the digital data transmission, storage, reading and recovery. In the block code encoding and decoding method, writing each of the original message character to one of k₀ variables with length of K bits each, forming k₀ code words by n₀ characters using the variable bit values linear combination. By the analysis means decoding at least d₀ sets of code words formed from the original new messages, writing the values into the variable bit with modification on each cycle, corresponding to the original message. To original message with length of k₀ bits adding the redundant character. Forming all variants of the code words and calculating the distances between the code words from each modified value and the code word from the redundant symbol, forming the paths. Determining the variable bits valid addresses, into which the original message characters were written, by each path distances linear combination.

EFFECT: increase in the digital data resilience to errors arising at the information exchange stage and at the encoding stage.

1 cl, 12 dwg