Cisco has a paper on this with some graphs showing "energy overlap" on
4 channel deployments for both 802.11b and 802.11g. The 802.11g OFDM
signal seemed more prone to interference in a 4 channel setup so we
stuck with 1,6,11.
http://www.cisco.com/en/US/docs/wireless/technology/channel/deployment/guide/Channel.html
-Karl Reuss
University of Maryland, College Park
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