Ah, OK. Thank you. I don't need anything that adaptive or automatic myself.
I plan to play around with viterbi demodulation of GMSK and maybe SOQPSK this week. As I dig into the gr-trellis implementation I may have more questions. Regards, Andy On Mon, 2017-04-03 at 08:50 -0400, Achilleas Anastasopoulos wrote: > Here is what needs to be done (simple). > > > N is the dimensionality of the signal space (found earlier in the > code). > Now we need to set up a filter bank to project the incoming signal to > all its dimensions. These filters are held on the MF[] array. > Now (due to laziness) i didn't write a for loop that instantiates N > filter blocks, but I just instantiated them manually for the case of > N=2 in > > > filter_fir_filter_xxx_0_0 = filter.fir_filter_ccc(Q, > MF[0].conjugate()) > > filter_fir_filter_xxx_0_0_0 = filter.fir_filter_ccc(Q, > MF[1].conjugate()) > > > > So what needs to be done is (through a for loop) instantiate these N > filter blocks > and appropriately modify the code (in the "connections" part) to make > the right > connections to and from these blocks. > > > best, > Achilleas > > > > On Sun, Apr 2, 2017 at 6:58 PM, Andy Walls > <a...@silverblocksystems.net> wrote: > Hi Achilleas: > > In the test_cpm.py example under gr-trellis, there is a > comment: > > "# only works for N=2, do it manually for N>2..." > > https://github.com/gnuradio/gnuradio/blob/master/gr-trellis/examples/python/test_cpm.py#L108 > > Could you, or anyone else, elaborate on what need to be done > manually for N>2? > > Thanks, > Andy > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio