Have USRP1 on Ububtu 10.04 and have latest UHD (003.002.000) and latest
GNURadio ( v3.4.0-113).
While some of the daughterboards are supported on GNURadio, the later
ones I have need UHD and Marcus has been championing the move to UHD.
>From the doxygen I see that: uhd::usrp::multi_usrp
is quite
Hi
Does anyone have uhd compatible codes for digital-bert folder? If so
please let me know.
Thanks
--
Saketh Kumar
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On 29/07/2011 2:21 PM, Walter Barmak wrote:
hi,
i made openbts work "without" cell phone but i don't understand what's
going on ...
i changed openbts.config to: band=900, arfcn=51 and it runs!
if i change openbts.config to: band=1800 arfcn=800 it doesn't run, i
get an error! (aborted)
i have u
hi,
i made openbts work "without" cell phone but i don't understand what's
going on ...
i changed openbts.config to: band=900, arfcn=51 and it runs!
if i change openbts.config to: band=1800 arfcn=800 it doesn't run, i
get an error! (aborted)
i have usrp1 with 2 rfx1800 which should work at band
On 29/07/2011 12:40 PM, Burak Kelleci wrote:
Hi,
I am trying to send data from a N210+XCVR2450 to another N210+XCVR2450.
Both equipment have antennas connected at J2 antenna input and they are
connected to the same computer using 2 gigabit ethernet ports. I have
assigned different ip addresses a
On Fri, 2011-07-29 at 19:40 +0300, Burak Kelleci wrote:
> Hi,
>
> I am trying to send data from a N210+XCVR2450 to another N210+XCVR2450.
> Both equipment have antennas connected at J2 antenna input and they are
> connected to the same computer using 2 gigabit ethernet ports. I have
> assigned dif
Hi!
Short question: is anybody aware of GFSK mod or demod block in
Gnuradio, or a Flowgraph using it?
Best,
Marius
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On 29/07/2011 10:35 AM, Mattia Rizzi wrote:
>Normally, the TX path and RX would only be connected through the host
computer software--either "roll your own+UHD" or with,
Gnu Radio.
Perphas i’m not well explained. I’m talking about samples that are
inside internal buffers of USRP. At time=t0 one
>Normally, the TX path and RX would only be connected through the host computer
>software--either "roll your own+UHD" or with,
Gnu Radio.
Perphas i’m not well explained. I’m talking about samples that are inside
internal buffers of USRP. At time=t0 one sample is acquired and two sample are
sent
On 29/07/2011 8:42 AM, Mattia Rizzi wrote:
Hello.
Are there some people from Ettus Research?
I have an USRP 1 device. Since USRP1 has 64Ms/s for RX and 128Ms/s
for TX, after 1/64M of second one sample is acquired and two sample
are sent over the air. My question is how the time-offset is betwe
On 29/07/2011 8:59 AM, Andrew Spielberg wrote:
Hello all,
I am having trouble with the install of gnuradio. First, this is what
I have installed, and I am pulling from nightly repo.
Ubuntu Natty Narwhal (11.04)
g++ 4.5
git-core 1.7.4.1-3
make
autoconf 2.67-2ubuntu1
automake 1:1.11.1-1ubuntu1
Hi
I figured it out... the problem was just the sender itself.
I forgot to change the parameter: static const int SAMPLES_PER_SYMBOL = 4;
to: static const int SAMPLES_PER_SYMBOL = 8;
in "ucla_qpsk_modulator_cc.cc"
At the receiver side, I actually only had to change the variable
"sps". I guess
Hi,
this seems really strange, some ideas for debugging:
1) the demod process works fine at first but adds or drops a few samples such
that some chips a shifted a bit, and as the chip seqs of 802.15.4 are just
shifted/inverted version of each other so that you see many different symbols
in the
Hi,
there is a patch in the mailing list to this problem in the patch mailing
list http://lists.gnu.org/archive/html/patch-gnuradio/2011-07/msg1.html
I have aplied and it works,
Edmar
2011/7/29 niaz ahmed
> Hi,
>
> I am working on an application ( half duplex communication ) where i have
On Thu, Jul 28, 2011 at 21:34, Josh Blum wrote:
> Due to FPGA bug fixes, users following the work on the master branch,
> will need to upgrade firmware and FPGA images for USRP2 and N-Series
> products. Install the latest host code and follow the instructions to
> load images: http://www.ettus.c
Hi,,
As it turns out, the verbose output isn't that helpful either. It just
reveals that at some point, the chip-error rate increases drastically.
See the verbose output of receiving one packet below:
Found 0 in chip sequence
Found 1 0 in chip sequence
Found 2 0 in chip sequence
Found 3 0 i
Hello all,
I am having trouble with the install of gnuradio. First, this is what I
have installed, and I am pulling from nightly repo.
Ubuntu Natty Narwhal (11.04)
g++ 4.5
git-core 1.7.4.1-3
make
autoconf 2.67-2ubuntu1
automake 1:1.11.1-1ubuntu1
sdcc 2.9.0-5
guile 1.8.7+1-3ubuntu3
ccache 3.1.3-1
Hi,
I am working on an application ( half duplex communication ) where i have
two flow graphs receiver and transmitter. the scenario is that the receiver
should always be running but when the application require to send something
the receiver flow-graph should be stopped at that time. the reason f
Hello.
Are there some people from Ettus Research?
I have an USRP 1 device. Since USRP1 has 64Ms/s for RX and 128Ms/s for TX,
after 1/64M of second one sample is acquired and two sample are sent over the
air. My question is how the time-offset is between these two stream (in % of
clock period) a
Hi,
Well its the first case (strange behavior)
(g means good symbol, b means bad): g
more precisely, Preamble, SFD, packet length (PHR) is all received
correctly. Additionally, also a part of the payload is received
correctly. Here an example:
I send the following p
Am 29.07.2011 um 13:44 schrieb bjoe...@ee.ethz.ch:
> Hi again,
>
> Thanks a lot for your mail from yesterday!
>
> In order to figure out what changes are needed at the receiver, I do not
> change the bandwidth per symbol, but constantly, by using the following lines
> within ucla_qpsk_modulato
Hi again,
Thanks a lot for your mail from yesterday!
In order to figure out what changes are needed at the receiver, I do
not change the bandwidth per symbol, but constantly, by using the
following lines within ucla_qpsk_modulator_cc.cc.
*out++ = gr_complex(0.0, 0.0);
*out++ = gr_compl
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