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An improved distributed dynamic channel assignment scheme for dense WLANs

Drieburg, M., Zheng, F.C., Ahmad, R. and Olafsson, S. (2007) An improved distributed dynamic channel assignment scheme for dense WLANs. In: 6th International Conference on Information, Communications & Signal Processing, Singapore,

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To link to this item DOI: 10.1109/ICICS.2007.4449601


The popularity of wireless local area networks (WLANs) has resulted in their dense deployment in many cities around the world. The increased interference among different WLANs severely degrades the throughput achievable. This problem has been further exacerbated by the limited number of frequency channels available. An improved distributed and dynamic channel assignment scheme that is simple to implement and does not depend on the knowledge of the throughput function is proposed in this work. It also allows each access point (AP) to asynchronously switch to the new best channel. Simulation results show that our proposed scheme converges much faster than similar previously reported work, with a reduction in convergence time and channel switches as much as 77.3% and 52.3% respectively. When it is employed in dynamic environments, the throughput improves by up to 12.7%.

Item Type:Conference or Workshop Item (Paper)
ID Code:14664

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