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Re: [Discuss-gnuradio] Losing samples in the flowgraph

From: hoim
Subject: Re: [Discuss-gnuradio] Losing samples in the flowgraph
Date: Mon, 25 Jul 2011 18:30:11 +0000

Hi all

> You realize that you never mentioned in the previous email that you were
> using the OFDM blocks. I thought something was fundamentally broken in
> gnuradio...

I labeled my block "ofdm_symbol_cutter", but he is not one out of the standard 
OFDM blocks. I wrote this block, because I want to isolate the sample loss 
I tested the flow with UHD source and the file source, so it's not only a 
simulation. There was all the times the same flow behaviour. I think there is a 
problem with the multi-threading or I understand something absolutely wrong.

> In any case, I wouldnt expect the throttle block and cpu usage to have
> any effect on this flow graph. Its just a pure-simulation flow graph.
> Perhaps there is a problem in the OFDM blocks. I will have to let the
> author comment.
> Are you using udp? Thats only for udp.

No, I don't use udp.

Thanks for your help.

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