Weighted conflict-aware channel assignment in 802.11-based mesh networks

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The hidden terminal problem, exposed terminal problem and co-channel interference problem are three main factors that limit the performance of wireless mesh networks. The network throughput can be increased by using multi-radio multichannel technology through using different channels to avoid the collisions. In this paper, we provide a channel assignment scheme considering interference, hidden/exposed terminal problem all together. For this scheme, we first propose a weighted conflict model in multi-channel multi-radio wireless mesh networks and define a Max list-Cut problem on the weighted conflict graph. We present an approximation algorithm for the Max list-Cut problem to solve the channel assignment problem. Our simulation results show that the proposed channel assignment scheme achieves high network performance in various topologies.
Publisher
Institute of Electrical and Electronics Engineers Inc.
Issue Date
2016-01
Language
English
Citation

18th International Conference on Advanced Communications Technology, ICACT 2016, pp.377 - 381

ISSN
1738-9445
DOI
10.1109/ICACT.2016.7423400
URI
http://hdl.handle.net/10203/315003
Appears in Collection
CS-Conference Papers(학술회의논문)
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