Hi,
I want to do a full duplex transmission/reception using USRP2. According
to
:
http://www.nabble.com/Re%3A-USRP2-fullduplex-operation-p21420216.html
Hamfred wrote that he did it by patching
gnuradio/usrp2/firmware/lib/db_rfx.c file as follows:
In struct db_rfx_xxxx_rx db_rfx_xxxx_rx = {
Replace
.base.atr_txval = 0,
.base.atr_rxval = MIX_EN,
By
.base.atr_txval = MIX_EN | ANT_SW, // Patch FULLDUPLEX
.base.atr_rxval = MIX_EN | ANT_SW, // Patch FULLDUPLEX
I did this modification (with full compilation and installation) but it
is
not working. Using usrp2_fft.py, I still get the signals only when I
connect
the antenna to TX/RX SMA port.
Where and what I should modify in usrp2/firmware files to do this
hacking. A
help will be appreciated.
Best Regatds,
Firas
–
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