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Performance Analysis of Two-Level QoS Scheduler for Wireless Backhaul Networks

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3 Author(s)
Ping-Chen Lin ; Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan ; Ray-Guang Cheng ; Li-Hung Liao

In this paper, we propose a two-level quality-of-service (QoS) scheduler based on the Ripple medium access control (MAC) protocol to deal with the unfairness problem for a chain-based wireless backhaul network (WBN). A queueing model was first presented to analyze the end-to-end throughput, aggregated throughput, and mean delay of a WBN accommodating single-class traffic. The model was then extended to a WBN with multiple-class traffic-adopting strict-priority (SP) service discipline or weighted-fair-queueing (WFQ) service discipline. Simulation results verified the accuracy of the analysis and the effectiveness of the proposed scheme.

Published in:

IEEE Transactions on Vehicular Technology  (Volume:61 ,  Issue: 3 )