From: Henry Chou (henchou@hotmail.com)
Date: Tue Oct 11 2005 - 15:18:23 GMT-3
Just a quick note.
AirMagnet license is registered to the MAC address of your wireless adapter,
so it's a pain in the butt. My team registered our licenses to a pair of PC
cards, so different people on the team can use the tool. There are other
fancy stuff AirMagnet surveyor provides, but many are not very useful. For
example, I have a different opinion about the site survey report provided by
the Surveyor tool. There are other competing products in the market.
Ekahau for one, is similar to Surveyor, but not as user friendly, and the
coverage mapping IMO, does not reflect the real RF coverage. The caveat of
AirMagnet and Ekahau was that those tools only captures 802.11 energy but
not other non-802.11 type of interferences. The non-802.11 RF energy may
increase your noise floor, thus will impact the SNR ratio. So, if you have
a leaky microwave, 2.4GHz cordless phones, or some AV wireless devices, you
won't be able to capture the information with either AirMagnet nor Ekahau.
There is another tool offered by BVSystems call Yellow Jacket. They offer a
tool that can be loaded on an iPAQ, which include both spectrum analyzer and
survey tool. The cool part about this solution is that they offer a cheap
spectrum analyzer that provide information including interference,
multipath, and you can do a spectrum capture with it. However, those guys
are not the best Windows programmers, so their GUI is really rough and far
from perfect, but they're definitely good RF engineers.
Just my 2 cents.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Mohammad Taib
Sent: Tuesday, October 11, 2005 6:53 AM
To: AM
Cc: ccielab@groupstudy.com
Subject: Re: OT: Wireless Site Survey
I just completed a cisco Wireless project which includes Wireless IP phones,
so it was very fine tuned to provide carrier-level signal in our campus.
We used Air magnet surveyor tool to survey indoor and outdoor. It is great,
really great. You will see magic reports with this tool. worth a purchase.
Regarding documents, cisco has excellent documentations/templates for all.
May be finding them is only time consuming.
Regards
On 10/11/05, AM <am_1974@yahoo.com> wrote:
>
> Hi All,
>
> I will be performing a site survey for a small scale wirless
> deployment at my company. Can anyone help me out with following
> questions. TIA.
>
> 1. Can you point me to a document that discusses acceptable
> Signal/noise ratio.
>
> 2. For coverage purposes, is there a industry best practice for signal
> strength. I know that it will depend on how many clients and bandwidth
> required per client. But I was wondering if there is document that
> discusses that to stay within -70 db level etc.
>
> 3. Can you point me to a document that discusses different Antennas
> and their coverage pattern.
>
> Thanks.
>
>
>
>
>
>
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