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Power-saving in wireless access networks



Keeping overlapping mobile access points powered at all times is costly and wasteful. The obvious solution is to power up base stations only when needed and keep them “dormant” otherwise.

This is however a notoriously hard problem as changing external constraints and local decisions combine to create highly dynamic and complex patterns.
Ebtic has developed a patent-pending distributed algorithm to allocate clients to servers in an energy-effective way, with strict control over the potential loss of coverage. This algorithm has been implemented and tested in a WiFi based prototype, and work is currently under way to extend and modify the scheme to small cell networks.