Protecting 3x16 bits with 16 bits ? (crc8 + 7 bit hamming code?)
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From: Skybuck Flying on 13 Feb 2010 23:07 Another interesting idea could be to do the following: Spent 8 bits on a crc8 for strong error detection. Spent 6 bits on a hamming code for 1-bit error correction. Spent 1 bit on hamming code extension for 2 bit error detection. Total of 15 bits used... one spare bit (?). This would probably create a very strong mode which detects lot's of errors, and has error correcting capabilities !?! ;) And uses the bits most efficiently... A CRC16 might be overkill for only 48 bits ? Maybe CRC8 is good enough as well ? ;) I haven't looked yet at CRC8 but gonna do that now ! ;) Bye, Skybuck. |