Re: [Discuss-gnuradio] OFDM with fft lenght 2048 and 4096 doesn't work

[Tom Rondeau]

On Mon, Jun 21, 2010 at 9:05 AM, Chris_Spain <address@hidden> wrote:
>
> Hello I'm trying to send with benchmark_ofdm_tx and receive with
> benchmark_ofdm_rx a OFDM modulation with next paremeters:
>
> FFT lenght = 2048
> Chanel occupied = 1512
> Size of package = 1024
> CP_adder = 128
>
> and
>
> FFT lenght = 4096
> Chanel occupied = 3024
> Size of package = 1024
> CP_adder = 128
>
> I'm using RFX 900 with F = 900 M, and doesn't work, the RX don't display
> anything and de TX transmitter

If you run the transmitter and use usrp_fft.py on the other one, do
you see any energy coming through?

I'm not sure I've ever tried that many subcarriers. Not sure why it
wouldn't work, though.

Tom