Research Article
Distributed Adaptive Algorithms for Optimal Opportunistic Medium Access
@INPROCEEDINGS{10.1109/WIOPT.2009.5291608, author={Yahya Al-Harthi and Sem Borst}, title={Distributed Adaptive Algorithms for Optimal Opportunistic Medium Access}, proceedings={7th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks}, publisher={IEEE}, proceedings_a={WIOPT}, year={2009}, month={10}, keywords={Distributed Scheduling Medium Access Control}, doi={10.1109/WIOPT.2009.5291608} }- Yahya Al-Harthi
Sem Borst
Year: 2009
Distributed Adaptive Algorithms for Optimal Opportunistic Medium Access
WIOPT
IEEE
DOI: 10.1109/WIOPT.2009.5291608
Abstract
We examine threshold-based transmission strategies for distributed opportunistic medium access, and specifically address the problem of setting the threshold values so as to optimize the aggregate throughput utility of the various users. In the case of weighted logarithmic throughput utility (Proportional Fairness) we provide an adaptive algorithm for finding the optimal threshold values in a distributed fashion. Moreover, we discuss how the algorithm may be adapted to achieve packet-level stability with only limited exchange of queue length information among the various users. We also present numerical results to demonstrate the convergence of the proposed adaptive algorithm.
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