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Two-Level Frames Aggregation with Enhanced A-MSDU for IEEE 802.11n WLANs

机译:具有增强型A-MSDU的两级帧聚合,适用于IEEE 802.11n WLAN

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摘要

IEEE 802.11n defines two schemes of frames aggregation aimed at maximize utilizing WLAN PHY efficiency at MAC level, through sharing headers and timings overheads. Despite their efficiencies in enhancing the MAC throughput, the schemes are characterized with yet other overheads due to the aggregation. Moreover, none of the two schemes is optimal in every condition: Both should work together to achieve this. In this paper, in order to optimize channel's bandwidth utilization, we proposed an enhanced A-MSDU with minimal headers overhead, and an efficient two-level aggregation scheme utilizing the enhanced A-MSDU. Results from the simulation show superiority of the proposed two-level aggregation in respect of throughput and overall channel utilization.
机译:IEEE 802.11n定义了两种帧聚合方案,旨在通过共享报头和时序开销最大程度地利用MAC级别的WLAN PHY效率。尽管它们在提高MAC吞吐量方面是有效的,但是由于聚合,该方案的特征还在于其他开销。此外,这两种方案都不是在每种情况下都是最佳方案:两者都应共同努力实现这一目标。在本文中,为了优化信道的带宽利用率,我们提出了一种具有最小报头开销的增强型A-MSDU,以及一种利用增强型A-MSDU的高效的两级聚合方案。仿真结果表明,在吞吐量和总体信道利用率方面,建议的两级聚合具有优势。

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