can somebody explains OFDM in FreeBSD?

[Hans Petter Selasky]

On Sunday 06 March 2011 15:23:02 Etienne Robillard wrote:
> Hi, as the subject line implies, can someone explains why OFDM (Orthogonal
> Frequency Division Multiplexing) is required for running run(4) ? Is there
> any (safer) alternative to OFDM?
> 
> If not, could the FreeBSD security team verify the the safety of OFDM
> derived
> drivers (in particular wireless ethernet based nics) so that no ones get
> hurt being
> a WLAN (802.11ng ethernet-class) subcarrier ?

As per my knowledge OFDM is a carrier format which is handled by the hardware. 
Is there anything in particular you want to high-light?

--HPS