[Discuss-gnuradio] VoIP and gnuradio

2013-03-15 Thread Nada ABDELKADER
Hi, I'm wondering if it's possible to make gnuradio working with some VoIP applications (e.g ekiga). Can I for example direct pkts from/to Ethernet port to/from Gnuradio (usb port)? Nada This message was sent using IMP, the

[Discuss-gnuradio] AM-FM signal analysis on using SDR

2013-03-15 Thread MO KARIMKHAN PATHAN
Can any one help me how to work with AM-FM signal using SDR? I am on very initial level in sdr and signal processing. If possible then link to signal source file then any other help -- Sincerely, Karimkhan. ___ Discuss-gnuradio mailing list

Re: [Discuss-gnuradio] VoIP and gnuradio

2013-03-15 Thread Phillip Frost
On Mar 15, 2013, at 6:41 AM, Nada ABDELKADER wrote: I'm wondering if it's possible to make gnuradio working with some VoIP applications (e.g ekiga). Can I for example direct pkts from/to Ethernet port to/from Gnuradio (usb port)? It's not clear at all what you are asking, but if you want to

[Discuss-gnuradio] Adding UCLA_Zigbee_PHY

2013-03-15 Thread Songsong Gee
Hi, I'm now trying to use UCLA_Zigbee_PHY by UCLA I have been following this instruction: https://www.cgran.org/wiki/UCLAZigBee#HowToInstall FYI, I've installed GNUradio with *build-gnuradio *script. Thus, i think I don't have any directories and files for installation because the script removes

Re: [Discuss-gnuradio] VoIP and gnuradio

2013-03-15 Thread ikjtel
Whenever VOIP and GPL'ed software are mentioned I always think of asterisk.  It's safe to say that asterisk has a history that is as interesting and as long as that of GNU Radio :-).  (Another buzzword to keep an eye on in this area BTW is ROIP). Anyway asterisk (in addition to being the GPL

Re: [Discuss-gnuradio] VoIP and gnuradio

2013-03-15 Thread Nada ABDELKADER
My goal is to use a VoIP application basing on gnuradio and USRP instead of ordinary Ethernet/Wifi connection. If I choose to develop a block do I need to go through C++ Code and add/modify sth to do so? I'm beginner in gnuradio and am a little bit confused Nada Phillip Frost

[Discuss-gnuradio] New module constructor

2013-03-15 Thread Brooke Hayden
We have created a lfm_source_c module. Ran the cmake ../, make, sudo make install, and sudo ldconfig commands. All worked fine. When attempting to use our new block in python, we received the following error about a constructor not being defined. I'm assuming there is just something small wrong

Re: [Discuss-gnuradio] New module constructor

2013-03-15 Thread Martin Braun (CEL)
On Fri, Mar 15, 2013 at 11:36:57AM -0400, Brooke Hayden wrote: We have created a lfm_source_c module. Ran the cmake ../, make, sudo make install, and sudo ldconfig commands. All worked fine. When attempting to use our new block in python, we received the following error about a constructor not

[Discuss-gnuradio] Using an RTL Tuner with Windows

2013-03-15 Thread Andy
Hi, I have installed the ettus binary of gnuradio in windows 7 which seems to work fine however I cannot work out how to get an RTL-SDR block to use it with a RTL2832U TV Tuner? I decided maybe I should go with Cygwin, as I already had it installed, so I could try and compile the code for the

Re: [Discuss-gnuradio] Adding UCLA_Zigbee_PHY

2013-03-15 Thread Bastian Bloessl
Hi, On 03/15/2013 02:03 PM, Songsong Gee wrote: Hi, I'm now trying to use UCLA_Zigbee_PHY by UCLA I have been following this instruction: https://www.cgran.org/wiki/UCLAZigBee#HowToInstall FYI, I've installed GNUradio with /build-gnuradio /script. Thus, i think I don't have any directories

Re: [Discuss-gnuradio] Issue Stream Command

2013-03-15 Thread Josh Blum
On 03/14/2013 09:06 PM, Gong Zhang wrote: Hi, I want to transmit fixed numbers of sample from the sin_sig_source.And I find the issue_stream_command in multi_usrp.hpp.Does the command contral the flow graph so that I just connect the flow graph and add the command in python? I

[Discuss-gnuradio] Problem with Transmitting bits

2013-03-15 Thread manjusha
Hello Everyone, Tranmit_bits.png http://gnuradio.4.n7.nabble.com/file/n40170/Tranmit_bits.png I am trying to send bits from my Transmitter to Receiver.Attached is the transmitter.As you can see there are two file sinks.So,here are the questions i have.. 1.When i write 1 bit to my msg_tx file

[Discuss-gnuradio] Quick announce for gr-iqbalance : Blind IQ imbalance estimator and correction

2013-03-15 Thread Sylvain Munaut
Hi, This quick mail to announce a new gnuradio block from osmocom: gr-iqbalance The general idea is to suppress symmetrical images caused by IQ imbalance in the RX path of quadrature receivers. It's composed of two subblocks: IQ Bal Fix: This applies the actual correction. to a complex

Re: [Discuss-gnuradio] Very low packet loss rate for the discontinuous BPSK communications- the analysis and looking for solution

2013-03-15 Thread Alex Zhang
Hi Sreeraj and Tom, For the discontinuous mode, by cutting the freq_bw to below half of the default value, I found that for differential_bpsk, the packet loss rate can be improved(from 30% to 70%), but for non-differential bpsk, the improvement is hard to see. Especially, for non-differential