Interference aware channel allocation in a multichannel, multi-interface wireless network

Authors:
Vijay Raman;Nitin H. Vaidya
Affiliations:
University of Illinois at Urbana-Champaign, Urbana, IL, USA;University of Illinois at Urbana-Champaign, Urbana, IL, USA
Venue:
Proceedings of the third ACM international workshop on Wireless network testbeds, experimental evaluation and characterization
Year:
2008

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Abstract

In this article, we present an interference-aware channel allocation algorithm for a multichannel, multi-interface wireless network. The channel allocation algorithm minimizes the effect of adjacent and co-channel channel interference both within a node (due to multiple interfaces) and across nodes. Furthermore, our allocation makes use of all the available channels for improving spatial reuse in the network. We demonstrate our algorithm using a multichannel testbed, and bring out the performance benefit of our algorithm compared to another algorithm that utilizes only orthogonal channels.