Fwd: about bits and frequencies

[Denis Ovsienko <denis () ovsienko info>]

Let's see if my message makes it through the filters this time...


============ Forwarded message ============
From : Denis Ovsienko <denis () ovsienko info>
To : "tcpdump-workers"<tcpdump-workers () lists tcpdump org>
Date : Tue, 24 Jul 2018 14:07:58 +0100
Subject : about bits and frequencies
============ Forwarded message ============
> Hello list. 
>  
> I cannot recall the exact discussion, but I vaguely remember a couple years ago somebody (Guy Harris?) writing 
> something like: 
>  
> - In this encoding this field tells, in units of x kHz, the frequency of the wireless channel, this is the maximum 
> frequency (20GHz???) it can represent given this amount of bits, is it enough or should it be bigger? 
>  
> ...and I answered something like: 
>  
> - Off-the-shelf WiFi runs on 5GHz, satellite downlinks are 10-20 GHz and I read about people experimenting in the 
> bands up to 100GHz, so it would be future-proof to have more bits in that field. 
>  
> Recently I have seen $100 wireless access points in the 60GHz band, so some of those additional bits already can be 
> put to a good use. 
>  
> --  
>     Denis Ovsienko 
>  
-- 
    Denis Ovsienko


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