Price-based congestion control and local channel-link assignment for multi-radio wireless mesh networks

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In multi-radio multi-channel wireless mesh networks, engineering the network capacity requires a complex cross-layer design. In this paper, in order to make the complex problem implementable in a distributed manner, we make a decoupling approach that breaks down the entire design space into routing and initial channel assignment, and distributed congestion control and local channel reassignment. We propose a unified priced-based framework for distributed congestion control and localized channel-link assignment algorithms. We demonstrate the convergence of the proposed algorithms with respect to different fairness objectives (i.e., proportional fairness and max-min fairness) via simulation on both grid and random topologies. The proposed algorithms achieve faster convergence with less overhead in the control and forwarding plane than previous multi-path based algorithms.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2014-02
Language
English
Article Type
Article
Keywords

CROSS-LAYER OPTIMIZATION; ROUTING ALGORITHM; RATE ALLOCATION; PROTOCOL

Citation

COMPUTERS & ELECTRICAL ENGINEERING, v.40, no.2, pp.651 - 662

ISSN
0045-7906
DOI
10.1016/j.compeleceng.2013.11.002
URI
http://hdl.handle.net/10203/189162
Appears in Collection
CS-Journal Papers(저널논문)
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