Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-24 Thread Ahmed Zaheer
, 2012 8:43 AM Subject: Re: [Discuss-gnuradio] No Digital Modulation Working Apart from what everyone said, what I can see from your attached file is that you are multiplying with 5000 before sending to USRP sink, isn't it? There is possibly a clipping issue here. Also in the receiver side

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-24 Thread Sakib Chowdhury
Apart from what everyone said, what I can see from your attached file is that you are multiplying with 5000 before sending to USRP sink, isn't it? There is possibly a clipping issue here. Also in the receiver side, you should remove the throttle. Throttle is needed only when there is no hardware in

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-23 Thread sumitstop
Yeah ..Done already -- View this message in context: http://gnuradio.4.n7.nabble.com/No-Digital-Modulation-Working-tp38097p38129.html Sent from the GnuRadio mailing list archive at Nabble.com. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.o

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-23 Thread senthil murugan
On 10/22/2012 03:03 PM, Ahmed Zaheer wrote: > Hi all, I was trying to make a transceiver working on any digital > modulation. I have tried GMSK, PSK, QPSK, QAM and other blocks > available in gnuradio companion. But non of them works. All of them > works in loop back manner but when ever I try to t

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-23 Thread sumitstop
Have a look on this http://sumitgnuradio.blogspot.in/2012/10/problem-of-frequency-offset.html -- View this message in context: http://gnuradio.4.n7.nabble.com/No-Digital-Modulation-Working-tp38097p38119.html Sent from the GnuRadio mailing list archive at Nabble.com. __

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-23 Thread Josh Blum
On 10/22/2012 03:03 PM, Ahmed Zaheer wrote: > Hi all, I was trying to make a transceiver working on any digital > modulation. I have tried GMSK, PSK, QPSK, QAM and other blocks > available in gnuradio companion. But non of them works. All of them > works in loop back manner but when ever I try to

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-23 Thread Ahmed Zaheer
Can you give me any clue how to do that? Regards. From: sumitstop To: Discuss-gnuradio@gnu.org Sent: Monday, October 22, 2012 9:18 PM Subject: Re: [Discuss-gnuradio] No Digital Modulation Working Did you compensate for the LO offset between Tx and Rx

Re: [Discuss-gnuradio] No Digital Modulation Working

2012-10-22 Thread sumitstop
Did you compensate for the LO offset between Tx and Rx ? -- View this message in context: http://gnuradio.4.n7.nabble.com/No-Digital-Modulation-Working-tp38097p38103.html Sent from the GnuRadio mailing list archive at Nabble.com. ___ Discuss-gnuradi