[Discuss-gnuradio] sending periodic signals in tunnel.py

2009-07-12 Thread Jane Chen
Hi all, Memory: 1008.6MiB CPU: Processor 0: 2.8GHz and Processor 1:2.8GHz OS: 2.6.27.23-78.2.50.fc.i686 (Fedora 9) GNU Radio: neither 3.1.3 nor 3.2. (I download the gnuradio in the trunk several months ago.) I have two machines, A and B ( the same systems as shown above). I would like to send o

Re: [Discuss-gnuradio] gnuradio and python 2.6

2009-07-12 Thread Firas Abbas
Hi, --- On Mon, 7/13/09, Eric Blossom wrote: >> +0600, ali siddiqi wrote: > > Hi all, Does gnuradio work with python 2.6? If yes would I > need to first uninstall my gnuradio and python 2.5 first and then install > python 2.6 and gnuradio again? > > I am currently on ubuntu 8.04. Would I need t

Re: [Discuss-gnuradio] gnuradio and python 2.6

2009-07-12 Thread Eric Blossom
On Sat, Jul 11, 2009 at 11:40:29AM +0600, ali siddiqi wrote: > Hi all, > Does gnuradio work with python 2.6? If yes would I need to first uninstall > my gnuradio and python 2.5 first and then install python 2.6 and gnuradio > again? > I am currently on ubuntu 8.04. Would I need to upgrade to 9.04?

Re: [Discuss-gnuradio] Reading from USRP

2009-07-12 Thread Timur Alperovich
On Sun, Jul 12, 2009 at 2:55 PM, Timur Alperovich wrote: >> On Sunday 12 July 2009 08:09:24 Timur Alperovich wrote: >>> Hey guys, >>> >>> I've been trying to read from the USRP by simply doing u->read(buf, >>> 512, overrun). I used the usrp_inband_usb_packet class to extract the >>> payload size an

Re: [Discuss-gnuradio] Reading from USRP

2009-07-12 Thread Timur Alperovich
> On Sunday 12 July 2009 08:09:24 Timur Alperovich wrote: >> Hey guys, >> >> I've been trying to read from the USRP by simply doing u->read(buf, >> 512, overrun). I used the usrp_inband_usb_packet class to extract the >> payload size and the payload from each USB packet received. As I >> understand

Re: [Discuss-gnuradio] Reading from USRP

2009-07-12 Thread Stefan Bruens
On Sunday 12 July 2009 08:09:24 Timur Alperovich wrote: > Hey guys, > > I've been trying to read from the USRP by simply doing u->read(buf, > 512, overrun). I used the usrp_inband_usb_packet class to extract the > payload size and the payload from each USB packet received. As I > understand, the US

Re: [Discuss-gnuradio] Having a higher samples per symbol (greater than 7) with lower bitrate

2009-07-12 Thread Jason Uher
=> the maximum samples per symbol value that benchmark_tx has is 7. What > happens if I change it to a higher value and reduce the bitrate such that > the usrp constraints are still met. I read somewhere that having a sample > per symbol value greater than 7 is impractical. Why? >From a strictly '

Re: [Discuss-gnuradio] Problem in executing GRC

2009-07-12 Thread udadidd
Hi I figured out the error! In addition to the PYTHONPATH i had i needed to add the commands in this site: https://radioware.nd.edu/documentation/install-guides/mac-os-x/preliminaries#section-3 and it worked Udaya udadidd wrote: > > Hi > I have deleted al gnuradio/ files from /usr/local/{dire

[Discuss-gnuradio] OFDM modulator o/p sampling rate

2009-07-12 Thread Abdalla Sokar
i am trying to transmit sound through OFDM system using the USRP i was able to transmit and receive audio in OFDM system without the USRP and also was able to transmit and receive audio using the USRP without OFDM when i try to merge the 2 system using the scope i see that there is a signal bef