Hey Siva,

in [1] I parameterized the trellis module for a rate 1/3 code as used in LTE. Maybe that helps. I put a lot of comments in. Besides if you tell us what you want to achieve exactly, someone might give more specific hints.

happy hacking
Johannes

[1] https://github.com/kit-cel/gr-lte/blob/master/python/bch_viterbi_vfvb.py

On 28.04.2014 09:10, Ron Economos wrote:
I'm not exactly an expert on this, but correct values
for the DVB-S trellis encoder (1/2 rate, G1(X) = 121,
G2(Y) = 91) are:

1, 2, (121, 91)

My DVB-S transmitter repository is here:

http://github.com/drmpeg/gr-dvbs

Ron

On 4/27/2014 11:12 PM, siva kumar wrote:
Dear,
Could you please let me know, how to set FSM args value in Trellis coder. I am
also using trellis coder for my work Please reply ASAP.


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