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TWHTB: A Transmission Time Based Channel-Aware Scheduler for 802.11 Systems

Overview 802.11 WLANs suffer severe performance degradation as soon as at least one of the stations in the Basic Service Set (BSS) experiments unfavourable radio channel conditions. The plain FIFO scheduler, typically implemented in commercial devices, is the main cause of the aforementioned anomaly (such behavior). To overcome such problem, and optimize radio resource utilization, a channel quality aware scheduler has been designed and integrated in a prototypal Access Point (AP). The developed scheduler is based on the Hierarchical Token Bucket (HTB), and aims at granting the configured transmission share towards all the STAs served by the AP, irrespective of their channel quality.

Further White Paper Details
Publisher	University of Pisa	File Format	PDF
Date Published	June 2005
Format	White Papers
Topics	N/A

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