Re: [Discuss-gnuradio] DQPSK Transmitter and Receiver

2010-04-27 Thread devin kelly
Hello everyone, Tom, thanks for that, that was a good start for me, but I'm still am having the problems. This is how I make my modulator for dqpsk, the way I make the modulator for dbpsk is mostly the same. Tom, at first I thought you meant I might need to change the samples_per_symbol paramt

Re: [Discuss-gnuradio] DQPSK Transmitter and Receiver

2010-04-26 Thread Tom Rondeau
On Mon, Apr 26, 2010 at 1:30 AM, devin kelly wrote: > Hello Everyone, > I've made a basic DBPSK transmitter and receiver.  I can receive ASCII > strings fine and the spectrum looks exactly as it should. > However, if I swap the DBPSK modulator/demodulator for the DQPSK > modulator/demodulator, my

[Discuss-gnuradio] DQPSK Transmitter and Receiver

2010-04-25 Thread devin kelly
Hello Everyone, I've made a basic DBPSK transmitter and receiver. I can receive ASCII strings fine and the spectrum looks exactly as it should. However, if I swap the DBPSK modulator/demodulator for the DQPSK modulator/demodulator, my system breaks. I can no longer receive the same strings and