Re: [Discuss-gnuradio] Can't drag and drop my example block from gnuradio-companion

2015-10-03 Thread Richard Bell
Did you remember to 'sudo ldconfig' after 'sudo make install'? Rich Sent from my iPad > On Oct 3, 2015, at 12:21 AM, M. Ranganathan wrote: > > Hello, > > I installed gnuradio using pybombs. I am trying to work my way through the > tutorial on how to write a block. I did

Re: [Discuss-gnuradio] Correlation Estimator Over the Air

2015-10-03 Thread Richard Bell
The taps you use should be the upsampled by nfilt version of your shaping filter at the tx, scaled appropriately to produce the desired output amplitude. If you're new to this, then you might need to find a good resource for polyphase filters and how they are used for timing recovery. I can

Re: [Discuss-gnuradio] Can't drag and drop my example block from gnuradio-companion

2015-10-03 Thread Marcus Müller
Could you share your block's xml file from your modules grc/ folder? My suspicion is that there might be something wrong with the name/id fields. Best regards, Marcus On 03.10.2015 14:28, M. Ranganathan wrote: > > Yes I did ldconfid. > > The unit tests pass. The standard blocks drag drop fine.

[Discuss-gnuradio] USRP CODEC loopback error with B210

2015-10-03 Thread Daniel Marlow
Hello, We have been experiencing occasional "CODEC loopback test" failures when using a B210. A very similar problem was reported at http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2015-September/015645.html In our case* the problem happens roughly once per every 20 attempts. We

Re: [Discuss-gnuradio] About the property tree

2015-10-03 Thread Marcus Müller
Hi Like_4722, I think you're approaching this completely wrong. When wanting to stream data using the USRPs with GNU Radio, you don't have to interact with the internals of the driver. You should probably read the GNU Radio guided tutorials, to understand how GNU Radio works. You can find them

Re: [Discuss-gnuradio] Can't drag and drop my example block from gnuradio-companion

2015-10-03 Thread M. Ranganathan
Yes I did ldconfid. The unit tests pass. The standard blocks drag drop fine. Something didn't install right for the tutorial. Do I need to edit a file or setting? Thanks for your response. Ranga. On Oct 3, 2015 6:21 AM, "Richard Bell" wrote: > Did you remember to

Re: [Discuss-gnuradio] USRP CODEC loopback error with B210

2015-10-03 Thread Marcus D. Leech
On 10/03/2015 05:51 AM, Daniel Marlow wrote: Hello, We have been experiencing occasional "CODEC loopback test" failures when using a B210. A very similar problem was reported at http://lists.ettus.com/pipermail/usrp-users_lists.ettus.com/2015-September/015645.html In our case* the problem

[Discuss-gnuradio] How to know the true channel response.

2015-10-03 Thread monika bansal
Hii I want to compute Mean Square Error(MSE) between the true channel and the estimated one. How can i get the true channel from the channel blocks such as from "selective fading channel model" ? ___ Discuss-gnuradio mailing list

[Discuss-gnuradio] question about routing data

2015-10-03 Thread Przemek Lewandowski
Hi everybody :) Simple, fast question. Task: Implement as many as possible modulations with GnuRadio - analog and digital Problem: how to switch between many modulation in GnuRadio Companion with minimal performance issue ? I saw that, there is "Valve" component and maybe when there is

[Discuss-gnuradio] Mailing list archive looks broken

2015-10-03 Thread Andy Walls
The ML archive here looks like it has stopped updating: http://lists.gnu.org/archive/html/discuss-gnuradio/2015-10/index.html Regards, Andy ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] Can't drag and drop my example block from gnuradio-companion

2015-10-03 Thread M. Ranganathan
Thanks. Please see attached. Regards, Ranga. On Sat, Oct 3, 2015 at 8:41 AM, Marcus Müller wrote: > Could you share your block's xml file from your modules grc/ folder? My > suspicion is that there might be something wrong with the name/id fields. > > Best regards, >

[Discuss-gnuradio] How to analyse chunks of data in GNU Radio

2015-10-03 Thread Chris Dandy
Hello, I'm attempting to use GNU Radio to parse data packets and not having much luck. I'm a beginner at both GNU Radio and Python, so I apologize if the solution to my issue seems obvious to everyone else. Currently, I have a block of standalone Python code which uses the numpy.fromfile()

Re: [Discuss-gnuradio] question about routing data

2015-10-03 Thread Kevin Reid
On Oct 3, 2015, at 13:58, Przemek Lewandowski wrote: > Hi everybody :) > > Simple, fast question. > Task: Implement as many as possible modulations with GnuRadio - analog and > digital > Problem: how to switch between many modulation in GnuRadio Companion with > minimal