PPT Slide
state 1
state 16
state 4
state 5
accumulated
metric: 28
accumulated
metric : 32
7
0
0
7
state 4
state 5
state 1 (survivor)
state 34(survivor)
branch
metrics
ACS
ADD : 28 + 7 = 35 (0 branch)
28 + 0 = 28 (1 branch)
32 + 0 = 32
32 + 7 = 39
state 1
state 16
COMPARE : 35 > 32 (0 branch)
28 < 39 (1 branch)
SELECT : state 16 (0 branch)
state 1 (1 branch)
butterfly
Viterbi decoding, ACS operation
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