Wireless Access

Occasional Contributor I

How to choose between hallway and in-room AP's?

Q:  How to choose between hallway and in-room AP's?


A:  The primary concern for hallway versus in-room mounting in a multi-tenant dwelling is effective attenuation of interfering signals from adjacent AP's.  Even though they are on orthogonal channels, they are in-band and will add to the noise floor which will ultimately degrade performance.


At 2.4 GHz where there are only three orthogonal channels, on-channel interference is highly problematic if channels are reused without sufficient physical separation.  Mounting AP's in-room will use attenuation from building materials to advantage as signals must pass through one or more walls/floors.  This effectively reduces interference for both adjacent and co-channel signals.  Mounting AP's in hallways is not a good practice and should be avoided.


arun_0575 low-atten.png

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