ver 2. 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?
--
Regards
Karan Tal
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
wrote:
> On 11.06.2014 14:43, Karan Talasila wrote:
>
>> Hi
>>
>> Looking at the ofdm receiver at ofdm_rx grc, I
s you can be flexible with increasing or decreasing
pilot symbols to a value that you want. Am I right?
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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 wrote:
>
> On Thu, May 29, 2014 at 4:54 PM, Karan Talasila
> wrote:
>
>&
On Thu, May 29, 2014 at 1:53 PM, Activecat wrote:
>
> On Thu, May 29, 2014 at 3:12 PM, Karan Talasila
> wrote:
>
>> @Activecat Here is the c++ block code
>>
>
> Let's change the print statement to below, recompile, run and paste the
> console output
@Activecat Here is the c++ block code
http://pastebin.com/0y1b9guh
On Thu, May 29, 2014 at 12:31 PM, Activecat wrote:
>
> On Thu, May 29, 2014 at 2:41 PM, Karan Talasila
> wrote:
>
>> So at the input of the C++ we are giving vector_source_c() and then input
>> outp
chute-free
> skydiving...
> Software frameworks (heck, we call ourselves "ecosystem") like GNU Radio
> only blossom when people discuss concepts, and that won't happen when
> everyone has the same understanding and the same problems. So I
> encourage everyone to experiment a lot,
_output_multiple, your item size stays the same
> (sizeof(gr_complex)), and you don't have to change your code,
> aside from replacing return noutput_items by what you've actually
> consumed (ie. d_fft_length).
>
> Greetings,
> Marcus
>
> On 28.05.2014 12:00, Karan Talasil
May 28, 2014 at 2:58 PM, Martin Braun wrote:
> 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 o
in the logic of the program. I can
attach the program if necessary.
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
sets of implementations?
Why is the ofdm_txrx.py a hierarchial block?
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
/lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>
>>>
>> ___
>> Discuss-gnuradio mailing list
>> Discuss-gnuradio@gnu.org
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>
>>
> Hi Martin,
>
> OK, this prop
ing
> offset, SNR, etc
> -- If you have 2 USRPs load the cdma_tx.grc and cdma_rx.grc and enjoy
> real-time
> CDMA transmission. You can also use the cdma_tx.grc and cdma_rx.grc by
> writting
> and reading to a fifo (first do > makefifo /tmp/cdma.fifo)
> =
instructive.
> > Do you think I should add this idea to the GR GSoC website?
>
> Sure, go ahead!
>
> M
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.g
ue 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 wrote:
>
>> Hi,
>> Bits/symbol depends
t; I having the problem to decide bits/symbol and bits/sec.Please help me
>
> Thanks
> Sandhya
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
--
Reg
5Is/08I84muSDCCnM
> pDtHvwaDuV87fYuZGmxHuBDyknNAJAnhWcatUh8B1SIquWBieezhMkNQAGOLKWRV
> 7y+cCVyXWPMchkN73vUWcuKPIis4U2kMkXF9f3q8cV3I83RqWizg1aA/lEpBBqI=
> =B3bM
> -END PGP SIGNATURE-
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
_
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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
--
Regards
Karan Talasila
___
Discuss
nstall 3.6. But i am running it on gnuradio 3.6.3. So that is not the
issue. what is the problem? kindly help
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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?
--
Regards
Karan
data; dropping packet.".
> WX GUI FFT Sink and Waterfall seem to work, though with the same messages.
>
> Any hints to rectify this issue?
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gn
cular aliased frequencies like 56Mhz,188Mhz etc.
--
Regar
ds,
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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 wrote:
> **
> On 07/04/2013 11:51 PM, Karan Talasila wrote:
>
> Hi Josh,
> can you explain how and why the frequency trans
. Why
is it that way?
On Fri, Jul 5, 2013 at 1:19 AM, Josh Blum 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
-- Forwarded message --
From: Karan Talasila
Date: Sat, Jun 29, 2013 at 6:44 PM
Subject: Re: [Discuss-gnuradio] Problem in uhd_fft
To: "j...@joshknows.com"
Hi Josh,
I am using USRP 1. I am using a sma-bulkhead cable from Tx_A
of basic tx daughter
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.
--
Regards
Kara
eed to
>> be reasonably
>> agnostic with respect to hardware.
>>
>>
>> Ah, makes sense.
>
>
>>
>>
>
> __**_
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/**listinfo/discuss-gnuradio<https:
e come across the same problems?
>>>
>>> Highly appreciate if anyone can give me some suggestions on this! Thanks
>>> in advance!!
>>>
>>> Ada
>>>
>>>
>>>
>>>
>>
>>
>> --
>> Very Respectfully,
>>
>> Dan CaJacob
>>
>> __
>> 169: Test timeout computed to be: 9.99988e+06
> >>> 169: F
> >>> 169:
> ==
> >>> 169: FAIL: test001_module_load (__main__.test_codec2_vocoder)
> >>> 169:
> --
o GigE adapter
> from vmware player and I found that it ONLY works if I boot the VM with the
> interface that is connected to the USRP as the only active network
> connection. I can enable the network interface to the host OS after I boot
&g
e standard
>> uhd_siggen and uhd_fft programs to understand what settings give you
>> the best gain.
>>
>> Also, try using different frequencies for transmit and receive (use
>> the -h on the command line to figure out how to do this).
>>
>> Tom
>>
>
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> please help me with this error
>
>
> vidyadhar
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
odulation
scheme you 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
wrote:
> On Thu, May 30, 2013 at 7:51 AM, Karan Talasila wrote:
>
>
>> I am using USRP 1 for an appli
one sample in I and one in Q. So is it default 2
samples/symbol or does it depend on anything else.
Thank you.
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
maximisation formula to calculate it. So i am confused about it.
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
hange 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.
--
Regards
Karan Talasila
demod1.grc
Description: Binary
should i give those two outputs if i am connecting next to ofdm
demodulator block which has only a single input.
In a previous forum the entire ofdm blocks python file is given as
src/gnuradio/blks2impl/ofdm.py.
But now it's not there in that directory. where should i find it.
--
Regards
-- Forwarded message --
From: Karan Talasila
Date: Thu, Apr 18, 2013 at 2:48 PM
Subject: Re: [Discuss-gnuradio] ofdm demodulation
To: Brian Padalino
I understand the intuitive way in which first the phase offset is found.
from that you can find finefrequency offset and timing
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.
--
Regards
Karan Talasila
vector< gr_complex,std::allocator< gr_complex > > >
> 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.
--
Rega
) wrote:
> 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 trie
8-43790
> Fax: +49 721 608-46071
> www.cel.kit.edu
>
> KIT -- University of the State of Baden-Württemberg and
> National Laboratory of the Helmholtz Association
>
> _______
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
&g
Sorry for sending a empty email. I accidentally hit the send button on the
new gmail interface.
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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.
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Has there been an implementation of alamouti code for a 2*1 mimo setup. Any
ideas to get started on implementing it.
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss
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.
--
Regards
Karan Tal
do i know 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.
--
Regards
Kara
.
Can anybody suggest a better program or method to communicate between usrp's
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
s, too.
>
>
>
>
>
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
nt
>>
>>
>> ___
>> Discuss-gnuradio mailing list
>> Discuss-gnuradio@gnu.org
>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>
>>
>
> ___
>
013 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=UTF8&qid=1358639740&sr=**
>>> 8-4&keywords=rtl+sdr<http://www.amazon.com/DVB-T-Receiver-Low-Cost
eywords=rtl+sdr
Are these good enough. can any one in the group suggest better alternatives
to work on?
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
hone: +49 721 608-43790
> Fax: +49 721 608-46071
> www.cel.kit.edu
>
> KIT -- University of the State of Baden-Württemberg and
> National Laboratory of the Helmholtz Association
>
> ___
> Discuss-gnuradio mailing list
> Discuss-gnuradio@gnu.org
> https://lists.gnu.org/m
oting.
>
>
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
>
--
Regards
Karan Talasila
___
Discuss-gnuradio mailing list
Discuss-gnuradio@gnu.org
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
ded. what could be the problem? should i go ahead
>> and reinstall it?
>>
> With the device in that state, can you ping it?
>
>
>
>
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
>
hecked that it is capable
> of only 100 Mbps. But here i am using a gigabit switch, so it shouldn't be
> a problem right. How should i check if my ethernet port is managed by
> >>>>netmanager with dhcp support? In my
rmware on the device? Are you sure that
> your host ethernet port isn't being managed by Netmanager with DHCP support?
> That will screw up up.
>
> Have you tried a different Ethernet cable?
>
> Is your laptop ethernet port 1GiGe capable?
>
>
>
>
>
> --
> Marc
>
>> In your 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
>> Sender: discuss-gnuradio-bounces+tim.newman=
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.
--
Regards
Karan Talasila
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.
--
Regards
Karan
I am trying to install gnu radio on ubuntu 10.04. The ./bootstrap and
./configure is working or executing fine. But when i am using make, I am getting
an error called only absolute run paths allowed. The error part in make is
make[6]: Entering directory `/home/karan/gnuradio/usrp/host/swig'
/bin
63 matches
Mail list logo
