VQ-RED: An Efficient Virtual Queue Management Approach to Improve Fairness in Infrastructure WLAN

Authors:
Xiaoyang Lin;Xiaolin Chang;Jogesh K. Muppala
Affiliations:
Hong Kong University of Science and Technology;Hong Kong University of Science and Technology;Hong Kong University of Science and Technology
Venue:
LCN '05 Proceedings of the The IEEE Conference on Local Computer Networks 30th Anniversary
Year:
2005

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Abstract

In this paper, we consider two fairness problems (downlink/uplink fairness and fairness among flows in the same direction) that arise in the infrastructure WLAN. We propose a virtual queue management approach, named VQ-RED to address the fairness problems. We demonstrate the effectiveness of our approach by conducting a series of simulations. The results show that compared with standard DCF, VQRED not only greatly improves the fairness, but also reduces packet delays.