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The great popularity of IEEE 802.11 along with channel scarcity may lead to a degraded overall performance if an intelligent channel allocation process is not used. A channel allocation unaware of other network’s presence in the area may increase medium access contention and co-channel interference, harming networks’ aggregate capacity. This work proposes a new automatic channel allocation mechanism for infra-structured IEEE 802.11 networks that works in an independent and distributed manner in access points and uses clients station’s measurements exchanged with the new IEEE 802.11k standard.