[NTLUG:Discuss] Wireless Home Network -- 2.4GHz band

[terry]

terry wrote:
> Burton M. Strauss III wrote:
> 
>> Actually, it's BOTH.
>>
>> Using channels other than 1, 6 and 11 is perfectly proper and legal.  
>> It's
>> just that is may cause more interference.  For example using 9 might 
>> degrade
>> another user on both 6 and 11.
> 
> 
> Well, "proper and legal" are not terms that really fit, but...you CAN do 
> it,  but it's not recommended [to use channels other than 1, 6 and 11] 
> And the reason is that if your neighbor ever gets a  wireless system, 
> you'll both experience overlapping interference and it won't be apparent 
> what's wrong.  In other words, yours will just all-of-a-sudden become 
> slow and intermittently problematic, and so will his and neither of you 
> will know what the problem is, that is, unless  you know these concepts. 
>  Even if you break out a spectrum analyzer,  you'd see that there's 
> interference, but won't know why.
> 
> I would consider operating on 1, 6 or 11 proper,
> and deviating from that convention, improper.
> 
> As far as "legal", that term just doesn't apply, because these are 
> un-regulated frequencies.  As you say below, it's a "free-for-all".  In 
> order to make it work out, in order to make and keep our wireless 
> networks reliable, we must police ourselves, IMHO.
> 
>>
>> Remember, the ISM (Industrial/Scientific/Medical) band has two simple 
>> rules:
>>
>> 1. Eat anything blasted at you.
>> 2. Don't blast anyone else.
>>
>> Beyond that, it's a free-for-all.
>>
>> In the case of WiFi, they defined a standard, but that still has to live
>> within the ISM 2.4GHz band rules.  The WiFi standard defines 11 
>> channels of
>> which three do not overlap.
> 
> 
> And so it follows that those are the three channels we should use.
> 
>>
>> But 2.4GHz cordless phones can use any part of the ISM spectrum they dang
>> please.
>>
>> So you have THREE common sources of interference to get around
>>
>> 1. Microware oven
>> 2. Other WiFi users
>> 3. Other ISM 2.4 users such as your cordless phone.
>>
> 
> If you use bridges instead of adapters, you'll have more power and 
> flexibility and may even be able to overcome those sources of 
> interference's,
> two of which we have complete control of:
> The Microwave ovens and cordless phones, if they are in close proximity 
>  and are causing interference, (close enough to interfere), one can 
> move, or change, or get rid of, or somehow shield or attenuate, these 
> devices, because if they are that close, they are (more than likely) 
> going to be in the same household or office, and will belong to the 
> owner of the WiFi equipment and he or she will have complete control to 
> do what ever it takes to resolve the conflict.
> 

#2. Other WiFi users will not be of any interference as long as they and 
we stay on standard frequencies, 1, 6 & 11.

> my2cents  :)
> 
>>
>> -----Burton
>>
>>
>>
>>
>>
>>
>>> -----Original Message-----
>>> From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org]On
>>> Behalf Of terry
>>> Sent: Tuesday, June 22, 2004 2:52 PM
>>> To: NTLUG Discussion List
>>> Subject: Re: [NTLUG:Discuss] Wireless Home Network -- 802.11 v. 11a v.
>>> 11b v. 11g v. "54g"
>>>
>>>
>>> Bryan J. Smith wrote:
>>>
>>>> Jack Snodgrass wrote:
>>
>>
>>
>> <snip />
>>
>>>> About the only complaint I have about the Linksys solutions it that 
>>>> they
>>>> make is damn hard to switch away from the default channel of 6 in their
>>>> router and Windows drivers (just set my father up the weekend for Day's
>>>> day).  I like running on channel 9 for various reasons -- including
>>>> trying avoid issues with 2.4GHz cordless phones (WLAN typically wins).
>>>
>>>
>>> NO, it's not issues with cordless phones, it's because you need to stick
>>> to the standard channels so that you don't cause overlapping
>>> interference for yourself and others.  Channels 1, 6 and 11 are standard
>>> channels, use them, use it as it's designed to be used and it works
>>> better.  (We must remember that it's spread spectrum.)
>>
>>
>>
>>
>> _______________________________________________
>> https://ntlug.org/mailman/listinfo/discuss
>>
> 
> 


-- 
but test everything; hold fast what is good,
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