On 04/06/2012 07:59 PM, sibar002 wrote:
Hello Ben,
Thank you for your response. I tried adjusting my bitrate in order to
prevent this from happening, but I continue to have the same problem. I
forgot to mention that I am running a dual OS on my computer (Windows and
Linux). Could this be causing the overflow problem? Thank you again. I
really appreciate any help or advice.
Thanks
Sam
Are you running your Linux partition as a VM, or you just dual-boot?
I've found that USB support through VMWare is *horrible*.
Ben Hilburn-3 wrote:
Sam -
(O)s indicate that there are overflows occurring - your computer is not
able to keep up with the data rate, and is falling behind in processing as
new packets arrive.
Cheers,
Ben
On Fri, Apr 6, 2012 at 1:39 PM, sibar002<sibar...@ucr.edu> wrote:
Hello,
I am using USRP 1 with the XCVR2450 daughterboard. I am also using Ubuntu
10.0.4 with gnuradio-3.5.1. I have tried running benchmark_tx/rx with the
following parameters:
./benchmark_tx.py -f 2.45G -A J1 --spec B:0
./benchmark_rx.py -f 2.45G -A J1 --spec B:0
I am not consistently able to receive the packets that are sent. I
sometimes
receive the initial packets, but then program begins to overflow ('O'). I
have tried connecting the USRP1s directly with attenuators, and I have
also
tried using the antennas. I have also used the uhd_fft.py program in
order
to make sure that I am receiving a signal. I am able to see a peak at the
correct frequency when I am transmitting. I have also tried using the
Basic_Tx/RX and LFTX/RX daughter-board and I obtain the same result. I
would
greatly appreciate any help or advise that anyone could give me. Thank
you
for your time and help.
Sam
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Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
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