Cognitive Radios Spectrum Allocation in Wireless Mesh Networks
Journal Title: GRD Journal for Engineering - Year 2016, Vol 1, Issue 0
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 max–min fairness model and the well-known lexicographical max–min (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.
Authors and Affiliations
R. Ganesh Babu
Keywords
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