can somebody explains OFDM in FreeBSD?

[Etienne Robillard]

On 06/03/11 10:01 AM, Adrian Chadd wrote:
> OpenBSD has driver support for OFDM chips. Anything that speaks 11a, 11g or
> 11n == OFDM.
>
> You'd have to speak to an RF related person about your definition of
> harmful. I mean, think about it - 802.11 devices are supposed to give off
> EMR that a receiver can decode. So your question about whether OFDM being
> harmful requires more context, as unlike wired solutions (say wired
> ethernet) which may give off EMR which could then be snooped, 802.11 is
> supposed to be received through EMF. :)
>
> Also, that paper you referenced talks about ERLANG, it doesn't mention OFDM
> anywhere.
>
> HTH,
>
>
> Adrian
>
>   


Orthogonal Frequency Division Multiplexing:
https://gthc.org/investigations/OFDM/72_armstrong_ofdm.pdf

@Diane:

I'm worried from a amateur computer scientist point-of-view about the
harmfulness
of EMF fields; in particular the ELF/VLF frequencies as defined in OFDM,
for operating WLAN devices as 'ethernet-class subcarriers'..

Kind regards,

-- 
Etienne Robillard

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