ML and MAP Decoding
Maximum likelihood (ML) decoding is equivalent to finding the “closest” codeword, c, to the received vector, y.
Maximum a posteriori (MAP) decoding is different in that it minimises the probability of symbol, not codeword, error.
(0,0,0)
(0,1,1)
(1,0,1)
(1,1,0)
y =(-0.2,0.3,-0.4)
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