Network Management

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Frequent Contributor I
Posts: 270
Registered: ‎09-24-2010

Heat Maps

I am creating a heat map in Airwave and just want to know about proposed placement of new AP's.  what is considered an OK dB?  is there a chart to associate dB with signal strength?

Aruba
Posts: 1,643
Registered: ‎04-13-2009

Re: Heat Maps

[ Edited ]

An ideal signal to target is -65 throughout the area (make sure this is on 5GHz....I usually remove 2.4GHz from the heatmap so not to misinterpret).   This will provide clients with a high quality link (barring other interferers) throughout.     You can levarage this VRD to help you along (it is for 802.11n, but still applicable).

 

http://www.arubanetworks.com/wp-content/uploads/Indoor80211n_2012-05-31.pdf

 

 

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Systems Engineer, Northeast USA
ACCX | ACDX | ACMX

Frequent Contributor I
Posts: 270
Registered: ‎09-24-2010

Re: Heat Maps

so lower the -dB the better (signal)?

Occasional Contributor II
Posts: 16
Registered: ‎01-10-2014

Re: Heat Maps

Well, technically no...

 

Since the values are negative, you want the number to be higher as far as value goes.

 

Think of it this way; the closer to 0dBm the better the signal

 

Take a look through this user guide, it's pretty usefull when starting out with VisualRF.

 

http://community.arubanetworks.com/aruba/attachments/aruba/unified-wired-wireless-access/2429/1/AWMS_VisualRF_UserGuide_7.pdf

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