ZigBee and WiFi Coexistence

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    Jan Vidar Rognsvåg

    Thanks for the article, however your WiFi channels seem to be wrong in the second figure, could this be channel 1, 5, 9? ZigBee channel 21 has centre frequency 2.455 GHz and WiFi channel 11 has centre frequency 2.462 GHz. Still your figure has WiFi channel 11 depicted to the left of ZigBee channel 21.
    The best option for ZigBee channel allocation should be channels 15, 20 and 25, (and 26 if this channel is valid for your ZigBee application), if you’re doing a 1, 6, 11 WiFi channel allocation. And you should. Limiting the 2.4 GHz band to only 2 channels is not viable in a multi access point environment.
    http://fosiao.com/content/zigbee-and-wifi-rf-channels has a good representation of the ZigBee vs. WiFi overlap.

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