should add this idea to the GR GSoC website?
Sure, go ahead!
M
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)
=
best,
Achilleas
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sets of implementations?
Why is the ofdm_txrx.py a hierarchial block?
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in the logic of the program. I can
attach the program if necessary.
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at 2:58 PM, Martin Braun martin.br...@ettus.comwrote:
On 28.05.2014 11:13, Martin Braun wrote:
On 28.05.2014 09:45, Karan Talasila wrote:
Hi
we have written a c++ block using out of tree modules which uses a
sync block that outputs same no of items as input items given. we have
written
actually
consumed (ie. d_fft_length).
Greetings,
Marcus
On 28.05.2014 12:00, Karan Talasila wrote:
@Marcus. Instead of using a grc gui flowgraph to test our block, we have
written a qa test code in python which connects vector source, block that
we are testing and vector sink just like
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@Activecat Here is the c++ block code
http://pastebin.com/0y1b9guh
On Thu, May 29, 2014 at 12:31 PM, Activecat active...@gmail.com wrote:
On Thu, May 29, 2014 at 2:41 PM, Karan Talasila karan@gmail.com
wrote:
So at the input of the C++ we are giving vector_source_c() and then input
, 2014 at 1:53 PM, Activecat active...@gmail.com wrote:
On Thu, May 29, 2014 at 3:12 PM, Karan Talasila karan@gmail.com
wrote:
@Activecat Here is the c++ block code
Let's change the print statement to below, recompile, run and paste the
console output here.
std::cout al_enc::work
Activecat,
I am sorry, I pasted the wrong qa code. I changed value
of n to n=1024 and then when i printed it, I got the output I pasted above.
On Thu, May 29, 2014 at 3:19 PM, Activecat active...@gmail.com wrote:
On Thu, May 29, 2014 at 4:54 PM, Karan Talasila karan
can be flexible with increasing or decreasing
pilot symbols to a value that you want. Am I right?
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and crc. Is the number of ofdm symbols
to be sent as payload fixed or variable for a packet.
On Wed, Jun 11, 2014 at 7:07 PM, Martin Braun martin.br...@ettus.com
wrote:
On 11.06.2014 14:43, Karan Talasila wrote:
Hi
Looking at the ofdm receiver at ofdm_rx grc, I see that schmidl and cox
. can that be an issue?
In general how do you test mimo blocks in software. Is the way we are doing
right i.e. connecting txpath1 to rxpath1 and txpath2 to rxpath2. Or are
there other better ways of testing end to end MIMO systems without hardware?
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Hi All,
I just wanted to know if gnuradio has any appropriate guide on
using cmake instead of normally used cmake. All the tutorials and guides
written use old makefile.am utility. It would help me in my execution if
there are any gnuradio specific cmake reference.
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is
http://www.darpa.mil/spectrumchallenge/
I am sure it is for expert communication system designers. I am a novice in
gnuradio and interested in giving it a shot. Just wanted everybody in the
group to know about it and have a look.
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screenshot, it looks like your eth0 ip address was lost.
Tim
Sent on the Sprint® Now Network from my BlackBerry®
-Original Message-
From: Karan Talasila karan@gmail.com
Sender: discuss-gnuradio-bounces+tim.newman=gmail.com@gnu.orgDate: Fri,
28 Dec 2012 17:20:56
To: discuss
Ethernet cable?
Is your laptop ethernet port 1GiGe capable?
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should i check if my ethernet port is managed by
netmanager with dhcp support? In my network connections it says auto
eth0 for ethernet
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and reinstall it?
With the device in that state, can you ping it?
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Discuss
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any one in the group suggest better alternatives
to work on?
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at 07:10:31PM -0500, Karan Talasila wrote:
http://www.amazon.com/DVB-T-**Receiver-Low-Cost-Software-**
Defined/dp/B008XFDHWW/ref=sr_**1_4?ie=UTF8qid=1358639740sr=**
8-4keywords=rtl+sdrhttp://www.amazon.com/DVB-T-Receiver-Low-Cost-Software-Defined/dp/B008XFDHWW/ref=sr_1_4?ie=UTF8qid=1358639740sr
@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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anybody suggest a better program or method to communicate between usrp's
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how to vary the gain and carrier threshold. Because
increasing too much gain will put the setup in nonlinear region.
3. General ideas of debugging scripts rather than just randomly changing
values of parameters on a trial and error basis to get desired output.
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HI
can you suggest how to add a question on the new page created by brian on
communication and signal processing topics doubts? I can't find an option
in the page to add a question. I logged in and tried too. But it was the
same.
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Has there been an implementation of alamouti code for a 2*1 mimo setup. Any
ideas to get started on implementing it.
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HI
Has there been any implementation of alamouti code on gnuradio for a 2*1
mimo setup. Any ideas or references to get started on it.
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https
) martin.br...@kit.eduwrote:
On Tue, Apr 16, 2013 at 06:17:56PM +0530, Karan Talasila wrote:
I am not able to find the file
digital_ofdm_frame_acquisition.cc
or digital_ofdm_chanest_vcvc.cc in my gnuradio. I have gnuradio 3.6.2
installed
on my ubuntu 10.04. I tried searching
const
I have attached the grc file. what should i give as input to flag input of
insert preamble block and also how to connect the output flag of insert
preamble block. How does that flag work in the block.
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ofdm1.grc
Description: Binary data
Hi,
I am trying to understand ofdm demodulation using schmidl and cox paper.
Can anybody explain how a pn sequence on even frequencies and 0 on odd
frequencies help in the estimation of timing and frequency offset.
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in
constellation. But i am not receiving my data back. I have attached my grc
file for reference. could you please suggest debugging tips or ideas to get
my source file data after demodulation.
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demod1.grc
Description: Binary data
formula to calculate it. So i am confused about it.
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as there is one sample in I and one in Q. So is it default 2
samples/symbol or does it depend on anything else.
Thank you.
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use samples per symbol remains same but only bits/symbol
changes. Am I right?
Thank you.
On Thu, May 30, 2013 at 8:33 PM, Johnathan Corgan
johnat...@corganlabs.comwrote:
On Thu, May 30, 2013 at 7:51 AM, Karan Talasila karan@gmail.comwrote:
I am using USRP 1 for an application. I am
\
--addr=192.168.10.2
i can run uhd_find devices properly...
please help me with this error
vidyadhar
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on the command line to figure out how to do this).
Tom
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-gnuradio
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as
33 MHz, I don't get a signal at 33 Mhz, But when i enter frequency as
-31Mhz in the uhd_fft i get a received signal on my fft. why does this
happen? If it's in the range of daughter board it should be receiving it at
that particular frequency right.
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-- Forwarded message --
From: Karan Talasila karan@gmail.com
Date: Sat, Jun 29, 2013 at 6:44 PM
Subject: Re: [Discuss-gnuradio] Problem in uhd_fft
To: j...@joshknows.com j...@joshknows.com
Hi Josh,
I am using USRP 1. I am using a sma-bulkhead cable from Tx_A
. Why
is it that way?
On Fri, Jul 5, 2013 at 1:19 AM, Josh Blum j...@joshknows.com wrote:
On 07/04/2013 01:41 AM, Karan Talasila wrote:
Hi Josh,
we tried using the same grc flowgraph and tried transmitting
at
frequencies 33Mhz and 35 Mhz. Though we could see a constant source
H
i Marcus,
I got it. It is a case of bandpass sampling. .Thank you.
On Fri, Jul 5, 2013 at 6:12 PM, Marcus D. Leech mle...@ripnet.com wrote:
**
On 07/04/2013 11:51 PM, Karan Talasila wrote:
Hi Josh,
can you explain how and why the frequency translation
aliased frequencies like 56Mhz,188Mhz etc.
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with the same messages.
Any hints to rectify this issue?
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Hi,
I am using gnuradio 3.6.3. I am trying to install precog. So to do
that i have to install gr-extras. But the git repository for gr-extras says
sorry and nothing else
https://github.com/guruofquality/grextras/blob/master/README.txt
How should i install gr-extras now?
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running it on gnuradio 3.6.3. So that is not the
issue. what is the problem? kindly help
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of the working directory. I
tried from different locations like from build,from gras-master. But i keep
getting the same error. Can you tell me how to sort this issue. I am using
gnuradio 3.6.3 on ubuntu 12.04
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pDtHvwaDuV87fYuZGmxHuBDyknNAJAnhWcatUh8B1SIquWBieezhMkNQAGOLKWRV
7y+cCVyXWPMchkN73vUWcuKPIis4U2kMkXF9f3q8cV3I83RqWizg1aA/lEpBBqI=
=B3bM
-END PGP SIGNATURE-
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/sec.Please help me
Thanks
Sandhya
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the value greater than 2?
and is that higher the value of samples/second the smoother will be the
waveform? please correct me if i'am wrong .
Thanks
Sandhya
On Tue, Dec 3, 2013 at 4:28 PM, Karan Talasila karan@gmail.comwrote:
Hi,
Bits/symbol depends on modulation scheme that you use
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