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Date: Thu, 29 Nov 2007 21:01:59 -0500
From: "Lewis G Rosenthal" <os2-wireless_users@2rosenthals.com>
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Subject: Re: [OS2Wireless] Xbox 802.11b/g (2.4GHz) interference (was:
 Re: [OS2Wireless] First large-scale 802.11n wireless LAN...)

On 11/29/07 05:32 pm, Leon D. Zetekoff thus wrote :
> * Lewis G Rosenthal wrote, On 11/29/2007 3:14 PM:
>
<snip>
>> Leon, your point about using subchannels is moot when discussing 
>> client connections to an AP. Between carrier grade AP's, yes, but 
>> I've never seen a client with the ability to use subchannels (and 
>> that's not part of the 802.11b or g specs, AFAIK).
> let's rephrase that subchannels are not in consumer off-shelf 
> equipment. We use APs and clients all the time with subchannels.
> it does seem MS has some issues they need to address but for the most 
> part noise in the 2.4 band is not going to go away but get worse so 
> getting away from the consumer grade equipment will help the situation 
> a little as well as give you more channels to work with.
>
How do you get away from consumer grade equipment when Intel 3945AGN 
adapters (et. seq.) *are* consumer grade? I agree that the interference 
isn't going away; I think the answer on the client side is attenuation, 
either by cleverly designed reflectors/deflectors, supplementary 
antennae, or by some type of discreet software filtering. That said, I'm 
*not* a radio guy, so perhaps someone with more HAM experience may want 
to chime in here.

-- 
Lewis
------------------------------------------------------------
Lewis G Rosenthal, CNA, CLP, CLE
Rosenthal & Rosenthal, LLC
Accountants / Network Consultants
  New York / Northern Virginia           www.2rosenthals.com
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