I know I'm a little late to this party, but I thought I'd point this out:
the output "VOLK: Error allocating memory (posix_memalign: 22)" suggests
you are running into this known issue:
http://gnuradio.org/redmine/issues/692
If this is indeed a rPi Rev B, then this is the known/old issue of
volk_g
hello all
i want to know how to write a c program with the lib of gnuradio.
for example i want to write a c program,to add a 15HZ sin signal with a
135HZ sin signal,then send from the usrp.
i know how to send the data to the usrp.but i don't know how to use the
signal source and the add fnuction of
Anon,
> which seems to just be a sanity check that something we expected to build
> was not
Exactly right. It's not perfect but usually works.
ran setup.ps1 before I saw the ~RUNME_FIRST.ps1
~RUNME_FIRST creates the basic directory tree for the build in the location
you specify. You will wa
Aha. Found the error. I don't know how you didn't encounter it in your
builds, but in the build-wxpython.py script, line 443 fails, it's up
in the log. It sets install_dir to some variables defined in a if not
windows block higher up. This causes the script to bomb at install due
to an undefined va
Geof,
thanks for your help.
There are two dll's missing as reported by the program.
Those are:
DCOMP.DLL
IESHIMS.DLL
any help on how to move forward is appreciated,
thanks again
Achilleas
On Mon, Apr 18, 2016 at 12:17 AM, Geof Nieboer
wrote:
> Achilleas,
>
> To troubleshoot that problem:
Also a correction:
I am running Windows 7 (not 8 as I erroneously reported)
thanks again
Achilleas
On Mon, Apr 18, 2016 at 8:35 AM, Achilleas Anastasopoulos wrote:
> Geof,
>
> thanks for your help.
> There are two dll's missing as reported by the program.
> Those are:
>
> DCOMP.DLL
> IESHIMS.D
I have resolved one out of two issues.
The problem with IESHIMS.DLL is resolved (it is in the internet explorer
directory and all i needed was to add this to the path).
Still don't know how to resolve the DCOMP.DLL issue.
thanks again
Achilleas
On Mon, Apr 18, 2016 at 8:35 AM, Achilleas Anastaso
On Mon, Apr 18, 2016 at 3:53 AM, Ekko wrote:
> hello all
> i want to know how to write a c program with the lib of gnuradio.
> for example i want to write a c program,to add a 15HZ sin signal with a
> 135HZ sin signal,then send from the usrp.
> i know how to send the data to the usrp.but i don't
Good news. The out-file fix must have missed a commit somehow, I
distinctly remember making and fixing that. Oh well, thanks.
The other is interesting, I'm not sure why it worked on mine then. I'm
already patching that file to recognize VC14, so just need to amend the
patch.
As you continue to
Unfortunately, DCOMP.DLL is probably not causing your problem, as it's
being linked from a system library, not yours.
(re)install the VC14 redistributeable package above and then give it a
second shot. Are you running Service Pack 1?
On Mon, Apr 18, 2016 at 4:16 PM, Achilleas Anastasopoulos wro
On Mon, Apr 18, 2016 at 3:27 AM, Douglas Geiger <
doug.gei...@bioradiation.net> wrote:
> I know I'm a little late to this party, but I thought I'd point this out:
> the output "VOLK: Error allocating memory (posix_memalign: 22)" suggests
> you are running into this known issue:
> http://gnuradio.o
Geof,
thanks again for your help.
Indeed I am running SP1.
Here is what I have on my computer at this point:
I have a bunch of applications (seen in the control panel/Programs/Programs
and Features)
named:
Microsoft Visual C++ 2005 Redistributable (x64)
Microsoft Visual C++ 2008 Redistributable
No that should be it. I just doublechecked on my plain vanilla Win7 VM
that it worked and that VM has nothing installed but SP1 and security
updates.
OK... let's try this... go to the GR python prompt and try to import
different gnuradio libraries and see if maybe we can find a pattern? I.E.
fro
Hi Marcus,
Exact model is RTL8111/8168/8411 and vendor is Realtek Semiconductor Co.,
ltd.
OS: Ubuntu 14.04
Regards,
Monika
On Sat, Apr 16, 2016 at 10:27 PM, Marcus Müller
wrote:
> Hm, those are usually good. What's the exact model ("lspci" will tell)?
> What's your OS?
>
>
>
> On 16.04.2016 18
You can run powershell in VS? Neat. I've been doing it all in the
powershell terminal, (and I fell back to a cygwin terminal when I had
a moment of weakness trying to tail -f something and not wanting to
type gc -wai -ta1 ) To be honest I haven't even opened VS.
However, when in Rome...lets see, I
On 04/17/2016 06:53 PM, Pavan Yedavalli wrote:
> Hi Martin,
>
> Thank you for getting back to me. I'm still a bit confused though. You
> are saying that I need to call set_time_now() or set_time_unknown_pps()
> to sync the clocks? So, simply connecting the MIMO cable between the two
> USRPs is not
Pavan,
this is still a pretty generic scenario. I'll be able to help you with
specific questions on UHD usage etc., so if you break it down you'll get
some better answers.
Cheers,
Martin
On 04/17/2016 10:02 PM, Pavan Yedavalli wrote:
> Hi Martin,
>
> Thank you again for getting back to me. Let
Are you comparing the correct packets? E.g., if packets get lost, do you
take that into account?
M
On 04/16/2016 02:38 PM, Jingyi Sun wrote:
> Hi everyone,
>
> We are working on an experiment for a conference paper deadline in two
> weeks, and need to transmit and receive OFDM packets and want t
Gabriel,
I didn't realize you were also tx'ing. You won't be able to go to an
interpolation of 1024 on the Tx side.
M
On 04/16/2016 09:37 AM, Gabriel Pechiarovich wrote:
> Hi I just tried your suggestion and it was ok for the RX side, but in
> the Tx side the decimation wont go up to 1024, it on
After looking at the different upconverters, I decided to try the CT1FFU
device[1] first.
The marketing says it is available with either 106.25 MHz or 65.520 MHz
LO. The manual[2] only mentions a 106.25 MHz LO
I was initially using the offset -106.25 in the gqrx configuration. I
wasn't receiv
On Mon, 2016-04-18 at 00:44 +, Landsman, Arik wrote:
> So the generic_mod() shifts the expected output by 50 samples to the right,
> thus dropping 50 samples off the end. with this in mind, generating *two*
> modulated vectors should do the trick:
>
> - generate an untrimmed sequence 2 p
There's a high pass filter on the output that is designed to pass
frequencies above 150 MHz. If the LO is only 40 MHz, the high pass
filter will greatly attenuate the entire HF band.
Ron
On 04/18/2016 11:12 AM, Daniel Pocock wrote:
After looking at the different upconverters, I decided to tr
We are not compensating for any lost packets, although we would be aware of
them thanks to the packet number. Could you tell us if there’s a block to
do this, or would we need a custom block?
Also, could you tell us why the constellation diagram is not displaying
properly?
Thanks,
Jenny
On
On 18/04/16 22:32, Ron Economos wrote:
> There's a high pass filter on the output that is designed to pass
> frequencies above 150 MHz. If the LO is only 40 MHz, the high pass
> filter will greatly attenuate the entire HF band.
>
That had occurred to me as well, although I notice they are now o
Geof,
thanks for the suggestions.
I get the same problem even when i run volk_profile.exe
which means that the problem is pretty basic...
Anyway after searching around on the web i see that everyone suggests a
different thing so most probably no one knows what the real issue is...
I am giving u
Hello all,
I am working on OFDM in Wimax and is trying to change the modulation scheme
in oFDM mod automatically.
I am able to do it manually using a selector block but not automatically.
I tried using WX GUI Slider but that was not working.
Any Suggestions?
Thankyou
Ankit
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