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Efficient channel selection is essential in 802.11 mesh deployments, for minimizing contention and interference among co-channel devices. The IEEE 802.11 standard provides at least three non-overlapping channels and thus it's possible for a node equipped with more than one Network Interface Card (NIC) to operate on different channels simultaneously. This may increase the aggregate bandwidth available. In this paper, the authors propose a Density based Clustering algorithm for Channel Allocation (DCCA) for multi-radio multi-channel mesh networks. DCCA manages the network topology by partitioning the mesh network into balanced cluster and affects a fixed and static channel to each cluster to be used mainly for control traffic.
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