Re: [Autoconf] aspects of multi-hop wireless communication

[Alexandru Petrescu <[e-mail]>]

Dearlove, Christopher (UK) wrote:
>> There's noise in the wires as well and gets supressed by PHY and MAC.
> 
> PHY layers, especially in radio, are not magic noise suppressors.
> 
> I'm going to spell this one out once, then give up and suggest
> any elementary text on radio.
> 
> If I put a loud noise source right next to C, it will mess up
> C's reception. But A, who is much more distant from the noise,
> won't care.
> 
> And before you suggest avoiding noise sources, let's just say
> they range from things in the environment (inclusing man made
> things) that are difficult to avoid, to people doing this
> deliberately.
> 
> And note that different power levels, and different noise
> environments are still not the only reasons for asymmetry. But
> either one is sufficient to make it happen.

Christopher,

I'a afraid I won't converge in this direction.

Noise and interference are also solved by government regulation (the 
famous "political" layer).

I'm really doubtful I could converge this way...

Alex

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