Re: [Discuss-gnuradio] modulation and demodulation

2009-03-29 Thread yyzhuang
Thanks Oh yes the "-m" specifies the mod and demod. But the modulation seems related to some other parameters, which I can't see with the "-h" option. We can change the rate by --bitrate, but how about transmit power, and receiver acquisition loop? BTW, does anybody have the correct parameters

Re: [Discuss-gnuradio] modulation and demodulation

2009-03-29 Thread Tom Rondeau
yyzhuang wrote: Hi, I'm pretty new in working with gnuradio. Could you please tell me a bit of detail about how to change the symbol rate, transmit power, and receiver acquisition loop (command line? the script code?) Thanks a ton!! Yanyan We use OptionParser for all of our command-line a

Re: [Discuss-gnuradio] modulation and demodulation

2009-03-29 Thread yyzhuang
Hi, I'm pretty new in working with gnuradio. Could you please tell me a bit of detail about how to change the symbol rate, transmit power, and receiver acquisition loop (command line? the script code?) Thanks a ton!! Yanyan Tom Rondeau wrote: > > yyzhuang wrote: >> Hi All, >> >> We are tryi

Re: [Discuss-gnuradio] modulation and demodulation

2009-03-29 Thread Johnathan Corgan
On Sun, Mar 29, 2009 at 10:29 AM, Tom Rondeau wrote: > I have used DBPSK and DQPSK fine with tunnel.py. You will probably have to > play with the symbol rate, transmit power, and possibly the receiver > acquisition loop settings. In my experience, the acquisition loop settings are the most sensi

Re: [Discuss-gnuradio] modulation and demodulation

2009-03-29 Thread Tom Rondeau
yyzhuang wrote: Hi All, We are trying to set different modulation and demodulation schemes in gnuradio example tunnel.py. The default is gmsk, which works fine. But when we used -m dbpsk option, the two PCs can't ping each other (although after ifconfig setup, both sender and receiver have outpu

[Discuss-gnuradio] modulation and demodulation

2009-03-28 Thread yyzhuang
Hi All, We are trying to set different modulation and demodulation schemes in gnuradio example tunnel.py. The default is gmsk, which works fine. But when we used -m dbpsk option, the two PCs can't ping each other. I looked through the script tb = my_top_block(mods[options.modulation],