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| 2002/5/14 [Uncategorized] UID:24824 Activity:nil 75%like:24828 |
5/14 The (12,8) FEC hamming code has the following 4 correcting bits:
P1 = sum(D1,D2,D4,D5,D7) mod 2
P2 = sum(D1,D2,D6,D7) mod 2
P3 = sum(D2,D3,D4,D8) mod 2
P4 = sum(D5,D6,D7,D8) mod 2.
How does one derive that? |