Hi,
> ImportError: cannot import name fosphor
Does /home/cnlsdr1/pybombs/lib/python2.7/dist-packages/gnuradio/fosphor exist ?
Cheers,
Sylvain
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Marcus,
I read on the mailing list that the FG may not get killed if the FG uses
message passing. Is this already solved? Do I have to do anything else when
using message passing?
Thanks in advance.
On 4 March 2015 at 08:16, Jorge Gallo wrote:
> Hi,
>
> That is what I call direct way =P
>
> Th
When I read this, pCell comes in mind:
http://www.rearden.com/artemis/An-Introduction-to-pCell-White-Paper-150224.p
df
Quite exciting stuff!
Ralph.
> -Original Message-
> From: discuss-gnuradio-bounces+ralph=schmid@gnu.org
> [mailto:discuss-gnuradio-bounces+ralph=schmid@gnu.org]
Hi,
That is what I call direct way =P
Thank you Marcus!
On 3 March 2015 at 17:53, Marcus Müller wrote:
> Yes, just let the block return the magic WORK_DONE (==-1) value.
>
> Greetings,
> Marcus
>
> On 03/03/2015 05:51 PM, Jorge Gallo wrote:
>
> Hi,
>
>
>
> I would like to find a way of sayi
I have installed the version 3.7.2.1 which is in the ubuntu 14.04 's repos.
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View this message in context:
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Sent from the GnuRadio mailing list archive at Nabble.com.
_
Which GNU Radio version do you have installed?
M
On 03.03.2015 16:35, javier wrote:
Greetings
I am also new in the gnuradio and recently I am working with him. I am
flowing the instruction tutorial in gnuradio.org but when I am going to
bulid my out of tree using cmake ../ He gives me the foll
Greetings
I am also new in the gnuradio and recently I am working with him. I am
flowing the instruction tutorial in gnuradio.org but when I am going to
bulid my out of tree using cmake ../ He gives me the following error:
jrbosch@CM6AJR:~/Documents/gnuradio/tutorials/work/out_of_tree/gr-tutorial
Hey folks,
So i installed the gr-fosphor 'app' using the pybombs recipe and it seems
to install ok, but when i run it I get the output listed below. Any ideas
here?
Thanks,
-B
cnlsdr1@cnlsdr1:~/pybombs$ osmocom_fft -F
linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.002-91-g7d97ab60
gr-os
Hi all,
I'm trying to figure out what the test_corr_and_sync example (located
.../src/gnuradio/gr-digital/examples/demod/test_corr_and_sync.grc) is
showing me. I see the tags added by the correlator, but they seem to jump
around a bit. If I add some timing offset with the slider, I don't see much
On 03.03.2015 08:41, Pengyu Zhang wrote:
Martin - I am thinking about doing beam forming around 900MHz. The
number of antennas that I want to use is around 8x8. I am thinking about
using USRP N210+SBX+OctoClock-G suggested by ettus. But not sure how
much phase mis-alignment will I observe.
In t
Martin - I am thinking about doing beam forming around 900MHz. The number
of antennas that I want to use is around 8x8. I am thinking about using
USRP N210+SBX+OctoClock-G suggested by ettus. But not sure how much phase
mis-alignment will I observe.
Marcus - Thanks for the tips. Maybe I should loo
Pengyu:
I think people tend to do it differently, depending on the particular
application. In radio astronomy, they typically point the array at a
well-characterized "calibrator source" and make phase measurements, and
then tweak based on known baseline geometries.
For commercial MIMO, using
Yes, just let the block return the magic WORK_DONE (==-1) value.
Greetings,
Marcus
On 03/03/2015 05:51 PM, Jorge Gallo wrote:
>
> Hi,
>
>
>
> I would like to find a way of saying to Python top_block that it
> should stop processing and the application must finish.
>
>
>
> One of the blocks of
Marcus - I am thinking about sending a training signal using one TX antenna
and figure out the phases of other antennas by looking at the maximum
correlation. Does this sound like a reasonable solution for a practical
mimo system?
On Tue, Mar 3, 2015 at 11:44 AM, wrote:
> Pengyu:
>
> I think pe
Hi,
I would like to find a way of saying to Python top_block that it should
stop processing and the application must finish.
One of the blocks of the application will be a custom block and after
gathering some samples it must tell python to stop.
Is there a direct way of doing that?
Reg
Can you give us some details (frequency, number of antennas) that you
want to have?
A lot of people have done MIMO with USRPs, up to 100x100 antennas, so
there is some precedent. For beam forming, you'll need very good phase
alignment, depending on what you're planning to set up. This is alway
Indeed, I should have emphasized that despite having features like
"phase resynch", in any *practical* phased-array, you'll still need some
mechanism for calibrating the phase centers of all your antenna.
Differential environmental factors can, for example, affect the phasing
of the antenna feed
If you use the phase-resynch feature of the SBX card, and you have
common refclock and 1PPS across all your USRPs in the array,
then you should be OK.
In *general*, synthesized downconverters use fractional-N synthesizers
where their starting phase after a re-tune is random with respect to an
Hi Guys,
I am planning to build a mimo system which supports beam forming. Is USRP a
good platform for my target? I do not want to use WARP because I need to
operate at frequencies lower than 2.4GHz.
A potential problem of USRP is phase alignment. As the following doc
suggests, phase alignment ca
Hello Hoang,
exciting :)
Actually, if you're already using LAPACK, I doubt there's much potential
for further optimization on the same platform -- if you, however, know
your stuff is going to only be run on Intel Xeons or so, than maybe have
a look at the Intel math kernel library lapack examples.
Hi Ali,
that's interesting.
Would you mind sharing the flow graph that you use?
Greetings,
Marcus
PS: Although using adblock plus, before I see every other picture on
tinypic, I get stuff like casino advertisment, and similar.
Could you use any image hoster that doesn't block view on the picture
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