Re: [Discuss-gnuradio] Questions on OFDM transmission on USRP2

2010-06-17 Thread Veljko Pejovic
Hi, Yes, it is quite intensive. You can try increasing the decimation/interpolation, if you see that the CPU is not keeping up with the load. However, you have to be careful about the frequency offset between the transmitter and the receiver as you might get too large of the misalignment when you

[Discuss-gnuradio] Questions on OFDM transmission on USRP2

2010-06-16 Thread rick rick
Hi I have some questions and observation on OFDM based transceiver. I adopted the modified code provided by Veljko Pejovic (link: www.cs.ucsb.edu/~veljko/downloads/ofdm_example.tar.gz). After trying different combinations of parameters, I managed to get benchmark to work with most package receive