FD-AQM: Fairness-Aware Delay-Controlled Active Queue Management in 802.11s-Based Multi-Radio Multi-Channel Wireless Mesh Networks


Several active queue management (AQM) schemes are proposed to address the bufferbloat issue, a protracted network delay and performance degradation issue caused by excess buffering of packets in network nodes. The solutions proposed up to currently, but, satisfy solely a subset of the key network performance metrics, i.e., end-to-finish throughput, throughput fairness, and delay, in 802.11s-based multi-radio multi-channel wireless mesh networks (MRMC WMN). During this letter, we propose FD-AQM, a fairness-aware delay-controlled AQM to satisfy all 3 key network performance metrics simultaneously within the 802.11s-primarily based MRMC WMN. The proposed FD-AQM achieves the goal by adopting a per-queue drop interval which is recalibrated consistent with the typical spherical-trip time of flows, and a drop decision mechanism which considers average throughput with target delay. Through simulations, we tend to show that FD-AQM is superior to other AQM schemes in terms of throughput and fairness.

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