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Virtual-Pressure Scheduling in IEEE 802.11 Wireless Mesh Networks

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2 Author(s)
Jae-Yong Yoo ; Department of Information and Communication, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea ; JongWon Kim

Back-pressure scheduling is known to play a crucial role in operating wireless mesh networks (WMNs). In this letter, we expand the back-pressure scheduling with broader control parameters for a selected practical domain. To solve this expanded problem, we propose a virtual-pressure scheduling algorithm that tries to find the control parameters for improving throughputs by monitoring the results of the back-pressure scheduling. From this, virtual-pressure scheduling achieves 5 times higher throughputs than the back-pressure scheduling in heavily congested IEEE 802.11 WMNs.

Published in:

IEEE Communications Letters  (Volume:16 ,  Issue: 6 )