1-s2.0-S1389128609002217-main.rar - A topology control approach for utilizing multiple channels in multi-radio wireless mesh networks We consider the channel assignment problem in a multi-radio wireless mesh network that
involves assigning channels to radio interfaces for achieving efficient channel utilization.
We present a graph–theoretic formulation of the channel assignment guided by a novel
topology control perspective, and show that the resulting optimization problem is NP-complete.
We also present an ILP formulation that is used for obtaining a lower bound for the
optimum. We then develop a new greedy heuristic channel assignment algorithm (termed
CLICA) for finding connected, low interference topologies by utilizing multiple channels.
Our uations show that the proposed CLICA algorithm exhibits similar behavior and
comparable performance relative to the optimum bound with respect to interference
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