R3 bit is appended at position 2 2 and so on. R is calculated by putting r = 1, 2, 3 … until the above equation becomes true. Where r is the number of redundant bits required and m is the number of data bits. Hamming code uses redundant bits (extra bits) which are calculated according to the below formula:. Hamming code can only detect 2 bit error and correct a single bit error which means it is unable to correct burst errors if may occur while transmission of data. Hamming code is a popular error detection and error correction method in data communication.
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