On Tue, Aug 23, 2011 at 5:58 PM, Philip Balister <phi...@balister.org>wrote:
> On 08/23/2011 05:15 PM, Morgan Redfield wrote: > >> Hi everyone, >> >> I updated the ofdm_benchmark_tx.py script to use UHD and I'm running it on >> my E100. If I run it at a high enough sample rate, I get a lot of "S" >> characters printed to the screen. Some googling shows that this means >> there's packet loss within a burst. What causes this? Is there any way to >> avoid it? >> > > Also, what kernel version are you running? Have you updated the boot files > and root file? > > Philip > The updated flowgraph is here: https://github.com/mogar/uhd_ofdm/blob/master/benchmark_ofdm_tx.py I'm trying to run it with an fft-length of 1024 and 700 occupied tones. I'm using a sample rate of 4Msps. My E100 has a kernel version of 2.6.38. I'm using fftw optimized for NEON from Vesperix, which was posted to this list a month or so ago. I haven't updated any of the boot or root files for a couple of months, I don't think I'm on the most recent version. The usrp_e module has the following version information: version: 0.2 srcversion: C95640F14A5715ACE28E715 Thanks, Morgan
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