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Frequent switching of ZigBee networks

Hi guys,

I am working on an application where nodes have to switch between different ZigBee networks quite frequently.

Going through the whole network scan procedure to know which networks are available seems to be quite expensive in terms of energy consumption. My idea is, to scan the available networks only once and then, later, if devices have to switch networks, to just use the results that were found by the first scan. Like that I wouldn't have to go through the whole process of sending beacon requests and so on.

Any ideas?

Cheers,

Jens