Hi, much appreciate for your reply Bastian.
I have succefully found your frame.bin signal, forwarded by my USRP
(generated in MATLAB, received with Windows Network Monitor and wlan card).
You were right. It is Data frame, 232323:232323 Source MAC and FF:FF
Destination MAC.
Still dunno
Hi,
I'm getting this error with string type variables using gnuradio 3.7.5 and
I cannot figure out how to solve it. I'm using a normal variable plus a
config variable in this way:
Variable:
id: variable_A
value: config_variable_A
Variable Config:
id: config_variable_A
...
WriteBac
Hi all:
Thanks in advance.
Example:gnuradio/gr-digital/examples/ofdm/rx_ofdm.grc.
If I set the sample rate of usrp equal to 1Msps,then what is the
sample rate of the output of the FFT block?Thank you very much.
Best regards,
xd
___
The question is ill-formed, the concept of a 'sampling rate' does not
really apply here.
However, to an item rate, you can do the math yourself:
Assume N is the FFT length, and CP the length of cyclic prefix in
samples. r is the incoming sampling rate.
First, data goes through the HPD, which tak
Hi Martin:
Thank you so much.I understand.
Best regards,
xd
At 2014-10-06 17:11:18, "Martin Braun" wrote:
>The question is ill-formed, the concept of a 'sampling rate' does not
>really apply here.
>
>However, to an item rate, you can do the math yourself:
>
>Assume N is the
Hi Martin:
Thanks.But I'm confused about it.
First, data goes through the HPD, which takes out the CP. The
outgoing rate of that block is thus
r2 = (N+CP)/N * r
Now r2>r.But according to the downsampling,when the sample become
less than before
Obviously I flipped the fraction. It's N/(N+CP).
M
On 10/06/2014 11:29 AM, xianda wrote:
>
> Hi Martin:
>Thanks.But I'm confused about it.
>
> First, data goes through the HPD, which takes out the CP. The
> outgoing rate of that block is thus
> r2 = (N+C
On Thu, Oct 2, 2014 at 12:45 PM, Gisle Vanem wrote:
> Hi list.
>
> I've managed to build Gr using MingW. Now trying the same
> using Visual C Express 2010 (cl 16), gives me some troubles.
> I'm just adding all my points here instead of multiple emails.
>
Just to begin with, we do not currently h
Hi Martin:
Thanks.
If I add a block(Vector to Stream) after FFT block.Then the
sample rate become r4=r3*N.
Am I right?Thank you very much.
Best regards,
xd
At 2014-10-06 21:38:54, "Martin Braun" wrote:
>Obviously I flipped the fraction. It's N/
Hi,
On 06 Oct 2014, at 10:33, Ernest Szczepaniak wrote:
> Hi, much appreciate for your reply Bastian.
>
> I have succefully found your frame.bin signal, forwarded by my USRP
> (generated in MATLAB, received with Windows Network Monitor and wlan card).
>
> You were right. It is Data frame, 232
On Mon, Oct 6, 2014 at 4:39 AM, Murray Thomson
wrote:
> Hi,
>
> I'm getting this error with string type variables using gnuradio 3.7.5 and
> I cannot figure out how to solve it. I'm using a normal variable plus a
> config variable in this way:
>
> Variable:
>id: variable_A
>value: config_
On Mon, Oct 6, 2014 at 1:43 AM, Bastian Bloessl wrote:
> On 10/06/2014 08:21 AM, Martin Braun wrote:
>>
>> but I don't really like this except as a temporary/transition solution.
>> Assume CGRAN really takes off and grows. Do you really want all OOTs out
>> there in a single repo? What exactly is
Let me add one more thing about CGRAN while we are still trying to narrow
down how to handle this. One reason I put CGRAN in place was to host code
that might "disappear." For example, students post it on university
webpages and when they graduate, that hosting gets taken down.
Additionally, some
It looks like github can mirror another git repo. It looks like mirrors
don't update automatically; the docs suggest using a cron job to automate,
so if the hypothetical grad student's repository goes away the CGRAN
version could remain at the last published version.
On Mon, Oct 6, 2014 at 10:22
I ran into this just last week, trying to have editable text fields for
configuration information ("hackrf=0", "rtl=0", ...) that would be store in
the config block. I ended up punting on the issue, and just hard-coding
those strings into my flow graph. Glad to know it wasn't something I did
wrong.
Interesting, Chris. Thanks for that info. The question would be, do we
mirror everything? It seems like that's a possibility. It's nothing I
think I could automatically set up. I typically have left it up to the
authors to decide given their software license.
On Mon, Oct 6, 2014 at 10:28 AM,
Hi,
I would like to downsample a signal from *390,625* Hz to *125 *Hz. *What is
the best way to do this in GNURadio? *
Please find below some issues I am having with this.
First, I used the Low Pass Filter block, in GNURadio, I set my Decimation
to 3125, my Cutoff Freq to 125/2. But I am not su
New module authors could contact the CGRAN admin(s) to be listed in the
directory and if an admin finds a really interesting module they can reach
out to the author to say "your project seems neat, could you send us a
request to be included in CGRAN?".
A CGRAN admin would add them to the mirroring
Ok, so i decoded all of the payload (123 data symbols, de-interleaving every
one in receiver's loop). After Viterbi and descrambling it gives some
strange results:
7 of SERVICE bits are random - OK (i read in standard that those 7 bits are
0's at the transmitter, and will set receivers descrambler
Hi Khalid,
if you happen to do the same filter for a larger set of subbands, look
into the polyphase filters:
http://www.trondeau.com/examples/2014/1/23/pfb-channelizers-and-synthesizers.html
The question which method is the computationally best cannot be answered
universally; in essence: go ahea
Hi all:
Thanks in advance.I want to ask two questions:
1.Where is the source code of the block "WX GUI FFT Sink"?How does it
calculate the power?
2.Which version of the gnuradio start to support the USRP N210?I just
want to know the answer.Thanks.I know the latest on
Dear all,
I'm trying to derive a *packet_header2* class in my own OOT module based on
*gr::digital::packet_header_default*. I followed the way in
*packet_heade_ofdm* of gr-digital and made packet_header2.h and
packet_header2.cc in my own OOT module.
But when I tried to import my_oot in python, i
Dear list,
I'm having lots of problems getting Gnuradio to work in Windows to process
signals from a soundcard audio source. Please help! This is what I've tried so
far:
1. Pre-built binaries ==> Audio source not working.
I followed the instructions in the WindowsInstall [1] wiki and Bhaskar1
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