Optimal control to improve throughput, energy consumption and fairness in wireless networks

Authors:
Chen Liu;Janelle Harms;M. H. MacGregor
Affiliations:
University of Alberta, Edmonton, AB, Canada;University of Alberta, Edmonton, AB, Canada;University of Alberta, Edmonton, AB, Canada
Venue:
Proceedings of the 13th ACM international conference on Modeling, analysis, and simulation of wireless and mobile systems
Year:
2010

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Abstract

Allocating wireless network resources fairly to users, and using these limited resources efficiently is crucial for improving system performance and satisfying user requirements. Our proposal is to achieve higher network throughput via lower transmit power, and to reduce throughput differences between flows caused by uncontrolled resource competition. A hierarchical joint control framework has been designed to achieve this goal. The performance of this framework has been evaluated via ns2 simulation. Our experimental results demonstrate that our control framework significantly improves performance and results in lower packet loss rates, higher network throughput, shorter end-to-end delay and enhanced fairness.