On Wed, Dec 18, 2013 at 7:47 PM, George <george.sklivani...@gmail.com> wrote: > Tom, > > Is there going to be a fix soon or should I go with the 3.6.5 version of > gnuradio? > > Thanks, > -George
George, The patch was pushed last night. I will make it into the next bug release, which will probably be in a month, plus or minus. In the meantime, you can get the patch by looking at commit b3b8a1f4965f8283f2c3d22ae45b569b2fe6d713 Tom > On Dec 18, 2013, at 7:01 PM, George <george.sklivani...@gmail.com> wrote: > >> Hi Tom, >> >> You are right increasing the number of taps by 100 is not the case, after I >> debugged the results a bit more. >> The problem seems to be in the number of samples consumed as you mentioned >> above. >> >> The full definition for the filter I am using is >> firdes.root_raised_cosine(nfilts, 1.0, 1.0/nfilts, rolloff, >> int(11*spb*nfilts)) >> where nfilts=32, rolloff=0.35 and spb =4 >> >> Thanks, >> -George >> >> On Dec 18, 2013, at 5:54 PM, Tom Rondeau <t...@trondeau.com> wrote: >> >>> On Tue, Dec 17, 2013 at 9:06 PM, George <george.sklivani...@gmail.com> >>> wrote: >>>> Hello all, >>>> >>>> Considering a simple gnuradio flowgraph as the following >>>> >>>> Random source -> chunks2symbols -> complex2float -> float2complex -> >>>> pfb_arb_resampler-> USRP sink >>>> >>>> which used to work without any problem in the older gnuradio >>>> distributions, in the newer 3.7.2.1 seems that the conversion above (from >>>> complex to float and float to complex) introduces a problem, that has to >>>> do with USRP transmissions. >>>> >>>> However, when I increased the number of taps used for the root raised >>>> cosine filter in pfb_arb_resampler by a factor of 100, everything seems to >>>> work properly. >>>> >>>> Note that if the conversions float2complex and complex2float miss >>>> everything works. >>>> >>>> Any ideas why? >>>> >>>> Thanks, >>>> -George >>> >>> Bug it the pfb_arb_resampler. I was trying to be too conscientious >>> about calls to work but made an assumption in the forecast function >>> that's not always correct. I'm testing a few things out, still, but I >>> should push this fix soon. >>> >>> Still, your behavior of the filter length (increasing it by 100, that >>> is) doesn't fit with what I'm seeing. What's the full filter >>> definition you're using for the block? >>> >>> Tom >> > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
