What about an RFNoC solution? @(^.^)@ Ed Sent from my iPhone
> On Sep 26, 2016, at 7:16 PM, Sylvain Munaut <246...@gmail.com> wrote: > > Hi, > > >> It seems like a perfect fit for a poly phase filter - however this is >> something that I believe needs to be done in hardware (128 channels * >> 200khz = about 60mhz sample rate this will not go over a USB cable, and >> I doubt I can get this bandwidth into a laptop PC. > > !?!? > > 128 channels of 200 kHz = 25.6 MHz of bandwidth. You can totally get > that to a laptop. > B2xx or BladeRF will do that without issues given a sufficiently good laptop. > Even a hackRF with USB2 only can nearly do it ( 20 MHz ). > > If the transmission are "infrequent" you can even use the same trick > that researchers used a while back to listen to all of bluetooth and > deliberately alias the signal to fold the spectrum over itself. > > >> Am I going to have to do FPGA work on my own? > > Very likely. > > >> Or - is there some existing cook book solution with the FPGA >> configuration pre-cooked? > > Very unlikely to find something "all done". > Especially that if you don't want to ship the samples, a PFB is not > all you need. You'd need demod for each channel in the hardware as > well. > > >> What I am looking for is the FPGA channelizer solution... hopefully an >> existing one I could start with? > > There is an embryon of one in the ettus rfnoc repo and AFAIK they > might also replace it with another version soon. > > But it's written for RFNoC and Series-7 Xilinx fpga. It'll need quite > some adaptation to run on anything else. > Also, AFAIU, it's incomplete and non-tested currently so ... YMMV. > > > Cheers, > > Sylvain > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio