Re: [Discuss-gnuradio] PSK modulation (along with packed vs unpacked bytes)

2013-03-22 Thread Nathan West
I've done a lot of code reading the last 2 weeks and worked on a custom PSK modulator (basically hierarchical 2/4psk). I've tested it at baseband on everything seems good, so I'm hoping now to use something like benchmark{rx,tx} to test it ota. > > I've built a couple of sample flowgraphs. The fir

Re: [Discuss-gnuradio] How to get constellation after demodulation

2013-03-22 Thread Ben Reynwar
Take a look at gr-digital/python/generic_mod_demod.py for an example of the kind of signal-processing blocks that you'll need. On Fri, Mar 22, 2013 at 10:30 AM, Azza Ben Mosbah wrote: > In fact, this is the receiver I make. But, I can't find the right > constellation. That's why I think I have a

Re: [Discuss-gnuradio] How to get constellation after demodulation

2013-03-22 Thread Ben Reynwar
I'm assuming you want to visualize the symbols after synchronization but before decision making. At the moment this is a pain, because the fine phase adjustment and the decision making are performed in the same block (constellation_receiver). What you want is the fourth optional output of the con

Re: [Discuss-gnuradio] Wireshark Help

2013-03-22 Thread Sean Nowlan
On 03/22/2013 11:06 AM, Matt D wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 03/22/2013 09:58 AM, Sean Nowlan wrote: Perhaps you mean the TCP or UDP sink block? Matt D wrote: Thanks Nick, I was under the impression that gnu radio had a sink that would send packets to an ip address

[Discuss-gnuradio] Creating a UHD Sink block

2013-03-22 Thread Brooke Hayden
I am having trouble with the GNU Radio block that I have created to use as an alternative to the regular UHD USRP Sink block provided by GNU Radio. The file compiles, but there are errors when I run it in a python file. The Python file works fine if I use the GNU Radio UHD Sink, but not when I use

Re: [Discuss-gnuradio] build-gnuradio on Scientific Linux 6.3

2013-03-22 Thread mleech
On 22 Mar 2013 09:26, Jonathan Fox wrote: > On Thu, Mar 21, 2013 at 7:52 PM, Jonathan Fox <31...@cardinalmail.cua.edu [4]> wrote: > >> On Thu, Mar 21, 2013 at 4:29 AM, Martin Luelf wrote: >> Possibly Ubuntu sets up /usr/local to be regular-user >>> > writeable, but that would be a hor

Re: [Discuss-gnuradio] Wireshark Help

2013-03-22 Thread Sean Nowlan
Perhaps you mean the TCP or UDP sink block? Matt D wrote: >-BEGIN PGP SIGNED MESSAGE- >Hash: SHA1 > >Thanks Nick, >I was under the impression that gnu radio had a sink that would send >packets to an ip address on the local machine. the guys at osmomcom >did it somehow but their site is

Re: [Discuss-gnuradio] build-gnuradio on Scientific Linux 6.3

2013-03-22 Thread Jonathan Fox
On Thu, Mar 21, 2013 at 7:52 PM, Jonathan Fox <31...@cardinalmail.cua.edu>wrote: > On Thu, Mar 21, 2013 at 4:29 AM, Martin Luelf wrote: > >> > Possibly Ubuntu sets up /usr/local to be regular-user >> > writeable, but that would be a horrible security flaw. >> >> At least for my Ubuntu 12.04 /usr/

Re: [Discuss-gnuradio] Wireshark Help

2013-03-22 Thread Matt D
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Thanks Nick, I was under the impression that gnu radio had a sink that would send packets to an ip address on the local machine. the guys at osmomcom did it somehow but their site is down (sad). Thanks, Matt - --- -BEGIN PGP S

Re: [Discuss-gnuradio] Ekiga ?

2013-03-22 Thread Erik Jakobsen
Many thanks Martin, but I'm in doubt about the phone settings setup. I already have an account: *sip:oz...@ekiga.net* And ekiga is installed But the voip is not setup. 73s Erik OZ4KK The Ekiga website has some good infos: http://www.ekiga.org/ The most common way is to install a SIP-client

[Discuss-gnuradio] How to get constellation after demodulation

2013-03-22 Thread Azza Ben Mosbah
Hello, I receive data from USRP and demodulate them, then I can have the constellation. But, I can't find a way to join blocks, so they can show a result. I need some help concerning the scheme I have to implement to get my constellation. Thanks in advance. Best Regards, Azza. ___

Re: [Discuss-gnuradio] Ekiga ?

2013-03-22 Thread Martin Braun (CEL)
The Ekiga website has some good infos: http://www.ekiga.org/ The most common way is to install a SIP-client on your PC (and then use a headset with your soundcard) and get an Ekiga-account to access the VoIP network. MB On Fri, Mar 22, 2013 at 09:24:07AM +0100, Erik Jakobsen wrote: > Maybe not t

Re: [Discuss-gnuradio] [BULK] Fading channel in GNURadio

2013-03-22 Thread Martin Braun (CEL)
On Thu, Mar 21, 2013 at 03:54:48PM -0400, Sean Nowlan wrote: > I want the block to be able to update the channel filter taps in run time. > Can I do that? > > Can I define a function in the class so that the filter taps are updated > for every 5 seconds? > > The set_taps function

Re: [Discuss-gnuradio] Simultaneously send data and store it in file with high sample rate

2013-03-22 Thread Martin Luelf
> Hi Martin, > > Can you please show me an example.. How to write connect statement? > > Thanks > > > On Thu, Mar 21, 2013 at 6:26 PM, Martin Luelf wrote: > >> > Hi, >> > How to simultaneously transmit data to usrp and also store it in a >> file.? >> > I >> > ran two separate flow graphs.But i wan

[Discuss-gnuradio] Ekiga ?

2013-03-22 Thread Erik Jakobsen
Maybe not the correct place to ask the question ?. But how do I set up/read about seeting up ekiga to be used with gnuradio meetings ?. Is it via one's phone, or just via one's PC's audio ?. 73s Erik OZ4KK ___ Discuss-gnuradio mailing list Discuss-g