can somebody explains OFDM in FreeBSD?

Etienne Robillard erob at gthcfoundation.org
Sun Mar 6 14:56:32 UTC 2011


On 06/03/11 09:33 AM, Hans Petter Selasky wrote:
> 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
>   


Yes, from a security perspective, could radiance from ELF/VLF operating
devices as
"ethernet-class subcarriers"  which is part of the OFDM spec be
considered harmful?

if not is there any OFDM code in OpenBSD?

Cheers,


references:

1. Orthogonal Frequency Division Multiplexing (OFDM)
https://gthc.org/investigations/pub/armstrong.pdf



-- 

Etienne Robillard

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