S0 S1 S2 S3 00 11 10 01 10 11 00 01 J0123456 5+1 7 5+2 Trellis Diagram. - презентация

1 S0 S1 S2 S J Trellis Diagram

2 Code Tree S0 S2 S0 S2 S1 S3 S0 S2 S1 S3 S0 S2 S1 S

3 S0 S2 S0 S2 S1 S3 S0 S2 S1 S3 S0 S2 S1 S S2 S3 S Code Tree (Encoding )

4 S0 S1 S2 S J Trellis Diagram (Encoding)

5 S0 S1 S2 S J (2) (0) (3) (0) (2) (3)(2) (5)(0) (4)(2) (4)(3) (2)(4) (0)(5) (4)(3) (4)(3) (1) (5)(0) Viterbi Algorithm

6 S0 S1 S2 S J (2) (0) (3) (0) (2) (4)(3) (4)(1) (5)(3) (4) (3)(4) (1)(5) (4) (5)(4) (2) (6)(1) Viterbi Algorithm

7 Sequential Decoding Consider (2,1,1) convolutional encoder ( Eg:) C (1) C (2) FFP

8 S0 S1 S0 S1 S0 S1 S0 S1 S0 S1 S0 S1 S0 S t1 bb