Hello everyone,
I'm curious about synchronising 2 USRP2 boards using MIMO-cable. Is there
any firmware code, which supports transmitting and receiving signals from
two USRP2s connected by MIMO-cable? Which blocks do I need to use in
GNURadio companion for it?
By the way, compared to setting
On Wed, Nov 10, 2010 at 12:43 PM, Scott Johnston
scott.johns...@ll.mit.edu wrote:
Hello,
I recently downloaded and installed gnuradio 3.3 and all of the dependencies
listed on http://gnuradio.org/redmine/wiki/gnuradio/FedoraInstall. I then
uninstalled 3.3 and reverted to 3.2.2 and now I can't
On Wed, Nov 10, 2010 at 12:52 PM, Andis Dembovskis
andis.dembovs...@gmail.com wrote:
Hello, dear GNU-Radio community,
Some last weeks I am coping with how to run and reconfigure gr.top_block on
the fly, didn't manage, so I thought, maybe someone out there could give me
some hint.
I am
On Wed, Nov 10, 2010 at 9:28 PM, Cheng Wang superwangch...@yahoo.com.cnwrote:
Hi, all,
I write a DBPSK modulation/demodulation program in GNU and python. But the
main frame cannot compile correctly. Can you help me to check it? Thanks.
Well, you haven't really given us much to go on here.
On Mon, Nov 8, 2010 at 6:01 PM, Jakub Moskal jmos...@ece.neu.edu wrote:
Hi,
We are experimenting with two USRP1's (each with RFX2400) and noticed
some strange behavior. We use the
/usr/local/share/gnuradio/examples/digital/benchmark_rx[tx].py. We run
it once and the number of corrupted/lost
On Mon, Nov 8, 2010 at 8:59 PM, Balint Seeber balint...@gmail.com wrote:
Dear all,
I’ve been using GR on Linux for some time, and thought I’d compare its
performance on ‘that other’ OS.
A few weeks ago I checked out the latest from the repo and managed to
compile all that could be compiled
Dear all,
I am trying to receive with my USRP2 + WBX daughterboard a signal band of
precisely 8 MHz in order to measure it's power.
The problem is that since USRP2 has a 100 MSample/s sampling and I can't
just devide it by 12.5 to get the desidered 8 MHz band, I need
to use an FPGA decimation of
On 11/11/2010 10:46 AM, Vladutzzz wrote:
Dear all,
I am trying to receive with my USRP2 + WBX daughterboard a signal band of
precisely 8 MHz in order to measure it's power.
The problem is that since USRP2 has a 100 MSample/s sampling and I can't
just devide it by 12.5 to get the desidered 8
On 11/11/2010 07:46 AM, Vladutzzz wrote:
Dear all,
I am trying to receive with my USRP2 + WBX daughterboard a signal band of
precisely 8 MHz in order to measure it's power.
The problem is that since USRP2 has a 100 MSample/s sampling and I can't
just devide it by 12.5 to get the desidered 8 MHz
On Thu, 2010-11-11 at 07:46 -0800, Vladutzzz wrote:
Dear all,
I am trying to receive with my USRP2 + WBX daughterboard a signal band of
precisely 8 MHz in order to measure it's power.
The problem is that since USRP2 has a 100 MSample/s sampling and I can't
just devide it by 12.5 to get the
I'm building gnuradio from a git checkout using OE to setup the
toolchains etc. Part of the build process is similar to running
bootstrap, but with special autotools. Afterwards, git status reports
change in config.guess and config.sub. My understanding is these are
generated files and should
I just did a fresh git checkout and install of UHD as described here:
http://ettus-apps.sourcerepo.com/redmine/ettus/projects/uhd/wiki
http://www.ettus.com/uhd_docs/manual/html/build.html
Everything appears to go smoothly, but ./uhd_find_devices reports:
linux; GNU C++ version 4.4.4 20100630 (Red
Hello,
I am using USRP2 version of BBN code to look at AP beacons as seen by the
USRP2 host. There is lots of S printing going on, which keeps me from
reading AP beacon information from STDOUT (unless I save the output to a
file, which I prefer not to). Is there anyway to enforce the printing of
cd gnuradio_repo/usrp2
find -name *.cc | xargs grep 'S'
edit recompile
-Josh
On 11/11/2010 01:57 PM, Bishal Thapa wrote:
Hello,
I am using USRP2 version of BBN code to look at AP beacons as seen by the
USRP2 host. There is lots of S printing going on, which keeps me from
reading AP beacon
On Thu, Nov 11, 2010 at 10:23:38AM -0800, Philip Balister wrote:
I'm building gnuradio from a git checkout using OE to setup the
toolchains etc. Part of the build process is similar to running
bootstrap, but with special autotools. Afterwards, git status
reports change in config.guess and
On 11/11/2010 04:57 PM, Bishal Thapa wrote:
Hello,
I am using USRP2 version of BBN code to look at AP beacons as seen
by the USRP2 host. There is lots of S printing going on, which keeps
me from reading AP beacon information from STDOUT (unless I save the
output to a file, which I prefer
On Thu, Nov 11, 2010 at 04:57:56PM -0500, Bishal Thapa wrote:
Hello,
I am using USRP2 version of BBN code to look at AP beacons as seen by the
USRP2 host. There is lots of S printing going on, which keeps me from
reading AP beacon information from STDOUT (unless I save the output to a
file,
Thank you Eric, Josh and Marcus,
I had edited it to print nothing. Now, I am shunting it to /dev/null.
My main reason to ask this question was exactly was Marcus pointed out. I am
seeing lots and lots of S. When I switch channels to 7 or 3, I do see
fewer compared to 6 or 11.
However, I
===
Ettus Research Announcements
November 2010
1 USRP Nominated for Technology of the Year!
2 USRP N210 Product Announcement
3 DBSRX2 Product Announcement
4 RFX2200 Product Announcement
5 Rackmount Product
On 11/11/2010 05:59 PM, Bishal Thapa wrote:
Thank you Eric, Josh and Marcus,
I had edited it to print nothing. Now, I am shunting it to /dev/null.
My main reason to ask this question was exactly was Marcus pointed
out. I am seeing lots and lots of S. When I switch channels to 7 or
3, I do
On Thu, Nov 11, 2010 at 1:43 PM, Steven Clark steven.p.cl...@gmail.com wrote:
Thanks
-Steven
PS: Is it ok to send email to both usrp-users and discuss-gnuradio? I know
you guys are probably trying to increase the SNR, but it seems kind of a
shame to fragment the community into multiple
Hi,
The rrc filter parameters in the new modulation scheme in dbpsk2 confuses
me. Why is the symbol rate in dbpsk2 equal to
1.0/float(self._samples_per_symbol) whereas, in dbpsk it was 1.0?
Thanks,
Mir
___
Discuss-gnuradio mailing list
On Thu, Nov 11, 2010 at 8:02 PM, John Andrews gnu.f...@gmail.com wrote:
Hi,
The rrc filter parameters in the new modulation scheme in dbpsk2 confuses
me. Why is the symbol rate in dbpsk2 equal to
1.0/float(self._samples_per_symbol) whereas, in dbpsk it was 1.0?
Thanks,
Mir
It's because
Dear list,
I got the LFRX / LFTX boards to work, but my WBX board will not work at
all. I can neither receive the slightest bit nor transmit.
The simplest FFT experiment does not show anything.
How do I start to diagnose how it works?
BR
markus
dl8rds
On Fri, 2010-11-12 at 02:47 +0100, Markus Heller M.A. (relix GmbH)
wrote:
Dear list,
I got the LFRX / LFTX boards to work, but my WBX board will not work at
all. I can neither receive the slightest bit nor transmit.
The simplest FFT experiment does not show anything.
How do I start to
With USRP2?
With classic USRP2 firmware you'll need the firmware image that
supports the WBX. I'd you're using UHD it should just work
--
Principal Investigator
Shirleys Bay Radio
Astronomy Consortium
http://www.sbrac.org
On Nov 11, 2010, at 8:47 PM, Markus Heller M.A. (relix GmbH)
On Fri, Nov 12, 2010 at 10:05:28AM +1100, Balint Seeber wrote:
Dear Eric,
I realised I was actually getting ahead of myself regarding scenario (1),
because - of course - the sample rate means nothing in terms of timing if it
is not a synchronous graph, and as I stated I didn't use Throttle.
Hi
I tried to install the BBN 802.11b trunk from CGRAN project website, and got
some problems duing sudo make, as follows:
---
bbn_tap.cc: In constructor ‘bbn_tap::bbn_tap(std::string, int)’:
bbn_tap.cc:51: error: ‘memset’ was not declared in this scope
bbn_tap.cc:53: error:
Hi Marcus,
I guess this is the reason because nothing seemed to work. Just as if
there was no board at all.
I'll try the new firmware and come back on this thread.
Thanks a lot!
Markus
DL8RDS
Am Donnerstag, den 11.11.2010, 20:51 -0500 schrieb Marcus D. Leech:
With USRP2?
With classic
On Thu, Nov 11, 2010 at 9:59 PM, Guanbo Zheng gbzh...@gmail.com wrote:
Hi
I tried to install the BBN 802.11b trunk from CGRAN project website, and got
some problems duing sudo make, as follows:
---
bbn_tap.cc: In constructor ‘bbn_tap::bbn_tap(std::string, int)’:
Hello Everyone,
I'm trying to implement a coded OFDM system by using the trellis blocks.
I used benchmark_ofdm and trellis coded modulation(gr_trellis) provided
in the GNU Radio.
I have achieved the transmission similar to previous post on VIterbi-OFDM
---by Tobias Schmid; but,I couldn't
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