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Re: [Discuss-gnuradio] USRP2 Simultaneous Tx and Rx Transmit Errors
From: |
Kyle Pearson |
Subject: |
Re: [Discuss-gnuradio] USRP2 Simultaneous Tx and Rx Transmit Errors |
Date: |
Tue, 7 Apr 2009 16:06:21 -0400 |
> Matt made some changes in the USRP2 FPGA and firmware code in
> changeset 10762 that we believe fixes this problem.
>
> Can you please download and try the lastest FPGA image and firmware
> from http://gnuradio.org/releases/usrp2-bin/trunk and let us know if
> this fixes it for you.
>
> FYI, at high data rates, full-duplex, the firmware becomes a
> bottleneck and will limit the maximum reliable throughput
> achievable. Fixing that will most like require moving at least some
> of the state machine that's currently implemented by firmware into the
> FPGA fabric.
>
> Eric
>
I tested the new FPGA and firmware changes and everything seems to
work well down to a decimation and interpolation of 28.
Thanks for the fix!
Kyle