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Multiple channels are available for use in IEEE 802.11.Multiple channels can increase the available network’s capacity,and how to efficiently assign these available channels to optimize the network performance is a challenge.We survey current techniques to solve the problem,and category the techniques single-radio,multi-radio,cross-layer multi-channel assignment.This paper also discusses some interesting issues at last.
Multiple channels are available for use in IEEE 802.11.Multiple channels can increase the available network’s capacity, and how to efficiently assign the available channels to optimize the network performance is a challenge. We survey current techniques to solve the problem, and category the technologies single -radio, multi-radio, cross-layer multi-channel assignment.This paper also discusses some interesting issues at last.