You probably want to use the trellis_viterbi_combined block. The documentation for the trellis blocks is in gnuradio/gr-trellis/doc/gr-trellis.xml. (if you have xmlto installed then an html file is also built.)
Ben 2011/3/10 intermilan <tianxia...@hotmail.com>: > Hi all: > Now I want to use the Trellis_encoder block in the GRC to make an > example for the convolutional code.In my opinion, I use Trellis_encoder to > produce the convolutional code, then make the convolutional code through > the modulator and demodulator(such as DPSK), finally use some block to > decode the convolutional code to get the original data.But after the data > get out the demodulator,I do not know how to decode it. > Here is the flow graph I used: > > vector_source->throttle->Packed_to_Unpacked->Trellis_encoder->Packet_encoder->DPSK_mod->DPSK_demod->Packet_decoder->? > Can anyone tell me which block I should use after the Packet_decoder to > decode the convolutional code? > > > Thank you in advance. > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
