Re: [Discuss-gnuradio] OFDM Transmitter and Receiver - poor synchronization with USRP1

[Martin Braun]

On 09.05.2015 15:47, Michal Vaclík wrote:
> Doesn't seem so - by connecting scope to DETECT port on S&C block I can
> see only randomly timed peeks as opposed to running with channel model
> where the peeks happen at fixed time periods.
> 
> Detection seems to get better with higher sample rates.

This might be an issue of high relative frequency offsets (which get
less severe for higher sub-carrier bandwidths). You could check how well
your OFDM signal is centered.

M