Wireless Access

Occasional Contributor I

Why this overlap do not matter?

Hi guys,


I am reading Aruba High Density validated design guide. I see these pictures:






I am curious to know, why there is no impact on wireless side and we call these channels as nonoverlapping channels, if in these channel bandwidth diagrams we are able to see overlap? :)

Guru Elite

Re: Why this overlap do not matter?

Please see the article here:  http://community.arubanetworks.com/t5/Voice-and-Video/David-amp-Elizabeth-discuss-2-4GHz-channel-planning-Part-1/td-p/2337


"With a guard band, the signal from transmissions in an adjacent channel will be low enough to avoid causing interference, but as you move to a plan that uses channels 1, 4, 8, 11 rather than 1, 6, 11, the channel spacing is 15MHz less, so there’s a considerable amount of overlap."


Colin Joseph
Aruba Customer Engineering

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