there anyway to implement user
input and branching statements within the top_block or something like that?
I really appreciate your help,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
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Di
7;d like to continue using the DPSK Demod
block and the bits coming out of it. Most of the correlate options I see in
GRC seem to want to use complex values.
I really appreciate your help,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Thu, Nov 19, 2015 at 11:41 AM,
Hello all,
I was wondering if anyone knew what the sync out option did on the DPSK
Demod block. I can't seem to find any documentation on it, and I'm also
having trouble finding the source code for it. Does it just use the generic
mod_demod file?
Thanks,
Logan Washbourne
Electrical E
g me, on the TX constellation plot, before it
gets sent to the USRP, there are 3 groupings, -.5, 0, .5. I'm not sure
where the 0 points are coming from. Since this is DBPSK, there should only
be -.5 and .5 groupings right?
Should this exercise be pretty straightforward?
Logan Washbourne
Electrical
yself so I
should probably double check them anyways.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Mon, Oct 26, 2015 at 2:46 PM, Marcus Müller
wrote:
> Hi!
>
> * looking at your constellation, relief comes setting in: It looks pretty
> circular
http://imgur.com/DBy8gqs - RX
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Mon, Oct 26, 2015 at 1:31 PM, Marcus Müller
wrote:
> Can you compare the TX spectrum with the RX spectrum? Maybe it'd
> worthwhile to first look at at e.g. 500kHz of RX
I am using 250k!
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Mon, Oct 26, 2015 at 1:05 PM, Marcus Müller
wrote:
> Hello!
> what's the sampling rate you're using?
>
> Best regards,
> Marcus
>
>
> On 26.10.2015 18:38, Wash
mething really simple.
Does anyone know of a simple TX, RX grc setup that I can use to test my
USRPs?
Again, I really appreciate the help you guys give.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
___
Discuss-gnuradi
d i is the specific
value of the sequence when summing. Is that right or am I way off base?
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Wed, Oct 14, 2015 at 9:43 AM, Nowlan, Sean
wrote:
> We saw a lot of improvement in the performance of the Correlation
>
x27;t find
it, but I am going to play around with the AGC block and see if I can't
tweak it enough to work.
I really appreciate your help, I finally feel like I'm getting close to my
goal.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Tue, Oct 13, 2
1:1 size, this makes me
think I am overlooking a consequence of one of the blocks, namely the
Correlation Estimator, Polyphase Clock Sync, or the Costas Loop.
Does anyone have any suggestions?
I know this thread is getting a little long, but I appreciate everyone's
patience with my questions.
correlation value hasn't seemed to have changed. I can register an
extremely small value, of .5-1.5 if I set the QT GUI TIME SINK to
autoscale, but the non-over the air version outputs a value of roughly 75,
which has been causing me to call the communication a failure.
Do you have any advice?
Rich,
If you could send me that paper, I would really appreciate it. So I'm
looking at the test_corr_est.grc file and the only place I see the rrc_taps
being used is within the polyphase clock sync, which is on the RX side.
Should there be a rrc filter on the TX side as well?
Logan Washb
as loop-> constellation and time gui sinks.
The grc files can be found at: https://github.com/loganwashbourne/Logan.git
The files are called test_corr_est_TX and test_corr_est_RX.
Thanks for your time,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Thu, Oct 1
symbols are covering all four
quadrants.
I haven't changed any settings on the polyphase clock sync or the
modulation scheme.
This is a little rambly but I appreciate your time,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
___
My guess is no, the receiver doesn't have its own thread, because I'm not
sure how to tell.
On Fri, Sep 25, 2015 at 11:21 AM, Martin Braun
wrote:
> On 24.09.2015 16:31, lwas...@ostatemail.okstate.edu wrote:
> > Julian and Martin,
> >
> > Typically 2 U's appear then a stream of O's. Ya, I don't
.
If anyone has any ideas or avenues for me to look into it would be much
appreciated.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
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the USRP somehow
"decode" the command, and realize the intention of the application?
Best Regards,
Logan
--
View this message in context:
http://gnuradio.4.n7.nabble.com/USRP-tracking-the-transmission-receiving-process-tp55900p55975.html
Sent from the GnuRadio mailing list ar
of the OS? And can they be compromised during
runtime by malware?
Thank you,
Logan
--
Posted via http://www.ruby-forum.com/.
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Hi Jeff,
Thank you for the suggestions. I'll look into the codes under "cores"
directory.
Logan
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hter board) know when to transmit/receive? Specifically, which file
in UHD host code does the job of notifying the hardware to
transmit/receive?
Thank you,
Logan
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gure out how to
call the function within my block that publishes the message without
relying on the scheduler.
Do you have any other sources that detail the scheduler? Or any advice in
helping to understand the presentation about the scheduler?
I appreciate your time,
Logan Washbourne
Electri
ocks, I think I just want them to pass messages. I'm trying to
model it directly after the ChatApp tutorial, and I'm pretty sure that's
what the send and receive blocks in that project were doing.
Is this not a good practice or infeasible?
Logan Washbourne
Electrical Engineering Grad
shbourne/Thesis.git
The juicy files are in the Thesis/OOT/gr-ACK/lib folder.
There might be some profanity in the commit messages, it was a stressful
day.
I appreciate your time,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
__
!
still occurs, but that's just going to take some time for me to learn about
PMTs and PDUs.
Thanks for everyone's help!
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Sat, Aug 22, 2015 at 1:57 PM, Washbourne, Logan <
lwas...@ostatemail.oksta
Patrick,
Thanks for the advice! So I added that string parameter(or char array) to
the Top_Block.py file
the new line looks like this:self.ACK_Text_Sanitize_0 =
ACK.Text_Sanitize("String").
When I run "python top_block.py" this error occurs:
comm1@comm1:~/Logan/Thesis$
= ACK.Text_Sanitize("Rubber Ducky")
reran the GRC and got the same error.
Any other hints? I'm just not sure what it's throwing an error about.
I appreciate your help,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Wed, Aug 19, 2015 at 10:
).
The new error is :
Traceback (most recent call last):
File "/home/comm1/Logan/Thesis/top_block.py", line 92, in
tb = top_block()
File "/home/comm1/Logan/Thesis/top_block.py", line 65, in __init__
self.ACK_Text_Sanitize_0 = ACK.Text_Sanitize()
File "/usr
/wiki/OutOfTreeModulesConfig)
and tried adding:
set(GR_REQUIRED_COMPONENTS RUNTIME PMT)
to my top level CMakeLists.txt file, because I am using PMT objects in my
block, but that didn't get rid of the error.
The full error thrown is this:
Executing: "/home/comm1/Logan/Thesis/top_block.py"
Tr
Kevin,
It worked! I really appreciate your help!!
Ron,
So that install prefix should be pointing to where I installed gnuradio?
(Never can know too many ways to skin a cat-metaphorically)
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Sat, Aug 8, 2015 at 5
()
self.assertFloatTuplesAlmostEqual(expected_result,result_data,6)
if __name__ == '__main__':
gr_unittest.run(qa_check, "qa_check.xml")
I really appreciate all of your time,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
h for helping me learn how to
move my install prefix around and about proper folder locations.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Tue, Aug 4, 2015 at 11:13 AM, Iluta V wrote:
> Hi Logan,
>
> Here is a full set of commands for installing in
the CMake files. I tried to change the install prefix locations
within those CMake files but that didn't seem to fix my problems.
I'm really starting to learn that a little knowledge can be a pretty
dangerous thing haha.
I appreciate your time and help,
Logan Washbourne
Elec
Thanks Nathan. Should I have to use sudo when using pybomb commands, now
that the installation prefix is outside of my home directory(because I now
I have to use sudo when using pybomb commands)?
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Mon, Aug 3, 2015 at
It's been my experience that the packet decoder block always loses 1
payload length.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Wed, Jul 22, 2015 at 12:23 PM, Marcus Müller
wrote:
> It seems your per-packet payload is but 1; and it's quite
through pybombs.
Again, I really appreciate your help,
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Tue, Jun 23, 2015 at 5:33 PM, Chris Kuethe
wrote:
> "inventory.dat" contains the state of all the installed packages; you
> could edit it or ju
stall Gnuradio
from Pybombs, I get an error stating:
comm1@Comm1:~/Logan/source/pybombs$ ./pybombs install gnuradio -v
Settled on prefix: /home/comm1/Logan/source/target
Loading recipes ...
Checking if gnuradio is installed: No
PyBombs.sysutils - INFO - have_deb: Satisfies requirement...installed
ve
ure I used Pybombs a couple of months
ago to install gnuradio.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Tue, Jun 23, 2015 at 3:24 PM, Chris Kuethe
wrote:
> PyBOMBS is your friend. https://github.com/gnuradio/pybombs
>
> On Tue, Jun 23, 2015 at 1:21 PM
ime (using the
method described in the OOT tutorial)?
I haven't tried much in the way of solving this problem because I would
consider myself a novice when it comes to Linux but a hint in the right
direction would definitely be welcomed.
I appreciate your time,
Logan Washbourne
Electrical Engin
around with that configuration but for now do you think the packet encoder
route would be a good solution?
Again, I really appreciate everyone's willingness to help.
Logan Washbourne
Electrical Engineering Graduate Student
(Electromagnetics)
On Tue, Jun 16, 2015 at 10:14 AM, Tom Rondeau
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