On 10/22/07, [email protected] <
[email protected]> wrote:
To: GNU Radio D. [email protected]
are printed in that function).
is a --tx-amplitude flag to adjust this. Set it to 2000 - 4000.
I increased the amplitude to around 3000 on the tx usrp. I also ran the
usrp_fft.py on the rx side. I could observe the spectrum of the rx
which was around 30 dB. So I know that the rx side usrp is able to
the packets trasnmitted. However, now when I run the
script on the rx side, I do not see any output. The output that I get is
After rx_callback( ) definition
gr_fir_ccf: using SSE
gr_fir_fff: using SSE
INIT Completed Successfully!!!
fg=usrp_graph(…) called (comment added for debugging)
gr_buffer::allocate_buffer: warning: tried to allocate
20 items of size 1600. Due to alignment requirements
64 were allocated. If this isn’t OK, consider padding
your structure to a power-of-two bytes.
On this platform, our allocation granularity is 4096 bytes.
fg.start() (comment added for debugging)
Inside RX _Callback pktno (comment added for debugging)
ok: False pktno: 58626 n_rcvd: 1 n_right: 0
Only one packet is received after a long time. Could you suggest as
why the output is not displayed?
Master’s in Telecommunications
Graduate Research Assistant
University of Maryland, College Park
Email: remove[email protected]