USRP2 RX2 Antenna Selection For fullduplex


#1

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


View this message in context:
http://www.nabble.com/USRP2-RX2-Antenna-Selection-For-fullduplex-tp21773599p21773599.html
Sent from the GnuRadio mailing list archive at Nabble.com.