Dear Bastian,
I missed one another thing.
`if(((d_count + o) % 64) == 0)` statement in
https://github.com/bastibl/gr-ieee802-11/blob/master/lib/ofdm_sync_long.cc#L141
Is this because of a length of an OFDM signal being a multiple of 64, which
is the number of subcarriers? (Except cyclic prefix)
Doesn't seem so - by connecting scope to DETECT port on S&C block I can see
only randomly timed peeks as opposed to running with channel model where
the peeks happen at fixed time periods.
Detection seems to get better with higher sample rates.
2015-05-09 23:25 GMT+02:00 Martin Braun :
> Is the
Is the detection working reliably?
M
On 09.05.2015 14:11, Michal Vaclík wrote:
> Hi,
> I am trying to implement OFDM transmitter and receiver (both in one
> flowgraph) using 2 USRP1s (both equipped with WBX). I have adjusted the
> signal so there's no peak above 1 and -1, but I am still failing a
On 09.05.2015 14:20, Martin Braun wrote:
> Per has been an active member on this list for a long time, maybe has
> something to add to this (CC'd in case the first message got lost). Per,
> any chance the paper will be available minus the paywall?
Apologies -- this is open access already. Guess I'
Per has been an active member on this list for a long time, maybe has
something to add to this (CC'd in case the first message got lost). Per,
any chance the paper will be available minus the paywall?
In any case, this looks pretty nifty!
Cheers,
Martin
On 09.05.2015 09:51, Tom McDermott wrote:
Hi,
I am trying to implement OFDM transmitter and receiver (both in one
flowgraph) using 2 USRP1s (both equipped with WBX). I have adjusted the
signal so there's no peak above 1 and -1, but I am still failing at
syncrhonization. I used exmaples mentioned in Martin Braun's talk at FOSDEM
14 which ar
Thanks Tom,
That change solved the problem and I managed to install it.
I'm using cmake version 3.0.2. The change in the gnuradio repo also fixed
my problem checking out the android branch.
I appreciate you taking the time to help me with this problems so quickly,
specially on a weekend. I'll have
On Sat, May 9, 2015 at 11:07 AM, Murray Thomson
wrote:
> I've attached the command used and the output of cmake.
> Thanks for your time.
> Murray
>
Ah, ok, I think I see the problem. I've left out PMT as a dependency. If
you go into gr-grand/CMakeLists.txt file, change line 113 from:
set(GR_REQ
An article has been published in IEEE Access (free, open access IEEE
publication) on a 60 GHz front-end for USRP
N2000/N210. There's a video on the abstract page, and a link to the pdf of
the article. the video demonstrates
2x2 MIMO using linear polarization:
http://ieeexplore.ieee.org/xpl/article
Y,
yes, if you're producing 512 I+Q, you're actually producing either 1024
items of sizeof(unsigned short) or 512 items of sizeof(unsigned short)*2.
I'd like to repeat that you *must* make sure that the number of items
you write into your output buffer is ≤ noutput_items!
What kind of block are yo
I've attached the command used and the output of cmake.
Thanks for your time.
Murray
2015-05-09 15:10 GMT+01:00 Tom Rondeau :
> On Fri, May 8, 2015 at 7:57 PM, Murray Thomson > wrote:
>
>> Hi,
>>
>> I've been trying the instructions in the wiki with ubuntu 15.04 and gcc
>> 4.8 (4.9 also gave me
On Fri, May 8, 2015 at 7:57 PM, Murray Thomson
wrote:
> Hi,
>
> I've been trying the instructions in the wiki with ubuntu 15.04 and gcc
> 4.8 (4.9 also gave me problems).
>
> I got the following error checking out the android branch from git://
> git.gnuradio.org/gnuradio.git
> error: The followi
Dear Marcus and Bastian,
Thank you for your detailed answers.
Also, thank you for useful usage of gist. :)
Regards,
Jeon.
2015-05-09 21:42 GMT+09:00 Bastian Bloessl :
> Hi,
>
>
> > On 09 May 2015, at 13:23, Marcus Müller
> wrote:
> >
> > So, looking at this, it's taking the delayed input samp
Marcus et al,
Had to drop this to do some work on another project yesterday, but
still want to pursue this just a little further if you don't mind,
because the numbers you are giving all look to me like it should be
able to be made to work.
You found my SDD sequential sustained write speed of 69
Hi,
> On 09 May 2015, at 13:23, Marcus Müller wrote:
>
> So, looking at this, it's taking the delayed input samples and copies them
> (offset-corrected) to the output, considering parts of the samples,
> x = ignore, o = copy, starting at the frame start:
>
> |xx¦oo|xx¦oo|...
>
Hi Jeon,
in such a case, linking to the original file [1] including line number
might be more helpful, as it gives more context.
So, looking at this, it's taking the delayed input samples and copies
them (offset-corrected) to the output, considering parts of the samples,
x = ignore, o = copy, sta
Hi Y,
> I set noutput_items to 512
no, noutput_items is the maximum number you're *allowed* to produce, it
doesn't change anything if you set it to anything. You just return the
number of items you've produced at the end of your work (or
general_work) function. Make sure to not write more items th
I am looking gr-ieee802-11 module.
a part of the source code is pasted here (
https://gist.github.com/gsongsong/3df4553fe96e2d62b83e)
I have a question on the following statement:
`if(rel >= 0 && (rel < 128 || ((rel - 128) % 80) > 15))` in `case COPY`
`if(((d_count + o) % 64) == 0)` in `case RE
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