Thanks Isaac for your kindly suggestion. I think i have to dive into python now...
idg101 wrote: > > Hi, > I haven't looked at any of the QAM-related code in the GNU Radio > baseline, but it should be possible to design a generic MQAM demodulator. > > In fact, you should be able to build a generic MQAM demodulator for a > given constellation set. This, I've done before in Matlab. You start > with an AGC, feed through an equalizer which is optimized for minimizing > the phase error between recovered and truth symbols. Another way to look > at it that for each symbol, find the symbol that matches closest to the > constellation vector (thats your decode symbol) and then feed the error > into the equalizer. > > I believe there is a way to form a generic carrier recovery and symbol > recovery loops that can deal with generic MPSK style constellation of > which MQAM is a part of. In fact, you could write a routine that can do > anything from BPSK to 64QAM. > > my 2 cents, > Isaac > > > -- View this message in context: http://old.nabble.com/How-to-implement-64QAM--tp27396489p27446003.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
