Abstract
Wireless mesh networks (WMNs) are considered to be an economical solution for last-mile broadband Internet access. In this paper, we study end-to-end bandwidth allocation in WMNs with cognitive radios, which involves routing, scheduling, and spectrum allocation. To achieve a good tradeoff between fairness and throughput, we define two fair bandwidth-allocation problems based on a simple maxmin fairness model and the well-known lexicographical maxmin (LMM) fairness model, respectively. We present linear programming (LP)-based optimal and heuristic algorithms to solve both problems. Extensive simulation results are presented to justify the effectiveness of the proposed algorithms.
| Original language | English |
|---|---|
| Article number | 5353654 |
| Pages (from-to) | 1487-1496 |
| Number of pages | 10 |
| Journal | IEEE Transactions on Vehicular Technology |
| Volume | 59 |
| Issue number | 3 |
| DOIs | |
| State | Published - Mar 2010 |
Bibliographical note
Funding Information:Manuscript received May 8, 2009; revised August 28, 2009 and October 15, 2009. First published December 15, 2009; current version published March 19, 2010. This work was supported in part by the National Science Foundation under Grant CNS-0721803, Grant CNS-0721880, Grant CNS-0845776, and Grant CNS-0905603. The review of this paper was coordinated by Prof. Y. Cheng.
Keywords
- Bandwidth allocation
- Cognitive radios
- Crosslayer optimization
- Fairness
- Lexicographical maxmin (LMM) Fairness
- Routing, scheduling
- Spectrum allocation
- Wireless mesh networks (WMNs)
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