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From: | Aditya Dhananjay |
Subject: | Re: [Discuss-gnuradio] Fwd: Questions on rx_ofdm example in GR 3.7.1 |
Date: | Thu, 7 Nov 2013 09:59:15 -0500 |
On Wed, Nov 06, 2013 at 06:27:40PM -0500, Aditya Dhananjay wrote:Are you using a current version? This problem was caused by bit errors
> I created an OFDM TX/RX flowgraph (mostly copying stuff out from the GNU Radio
> reference GRC implementation), where the TX goes out to a USRP UHD sink, and
> the RX reads from a USRP UHD source.
>
> As long as the receive SNR is high enough, the problem does not show up.
> However, as I gradually reduce the RX gain, at some point, the entire thing
> crashes with the "Buffer too small for min_noutput_items" error.
creating incorrect, but validated headers. In the current header, we
have an 8 Bit CRC check, which is pretty unlikely to cause this.
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