ECTURE Viterbi Decoding of Convolutional Codes
Oct 06, 2010 · (PM).Thebranchmetricisameasureofthe“distance”betweenwhatwastransmittedand what was received, and is defined for each arc in the trellis. In hard decision decoding, where we are given a sequence of digitized parity bits, the branch metric is the Hamming distance between the expected parity bits and the received ones. An example is shown in
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