蓝牙微网1-RR/FIFO、增强型1-RR和CB-EDF的平均响应时间

Antoine Mercier, P. Minet, L. George
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引用次数: 0

摘要

在本文中,我们关注蓝牙微网,分析其支持QoS敏感应用定义的服务质量(QoS)需求的能力。我们考虑两个QoS参数:(i)表示消息重要性的应用程序约束,以及(ii)端到端交付截止日期。应用程序感知的QoS取决于在介质访问层选择的调度算法。我们确定了使用三种不同调度算法获得的消息的平均响应时间。这种评估考虑了蓝牙MAC层中的消息分段。第一种调度是蓝牙本地调度,称为One-Round Robin (1-RR)。第二种是1-RR的变体,其中本地调度基于所考虑的两个QoS参数。最后一种称为基于类的最早截止日期优先(CB-EDF),它同时考虑了本地级和全局级的两个QoS参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Average response times in a Bluetooth piconet for 1-RR/FIFO, enhanced 1-RR and CB-EDF
In this paper, we focus on a Bluetooth piconet, analyzing its ability to support the quality of service (QoS) requirements defined by QoS sensitive applications. We consider two QoS parameters: (i) an application constraint denoting the importance degree of a message, and (ii) an end-to-end delivery deadline. The QoS perceived by the application depends on the scheduling algorithms chosen at the medium access layer. We determine the average response time of a message obtained with three different scheduling algorithms. This evaluation takes into account message segmentation in the Bluetooth MAC layer. The first scheduling is the Bluetooth native scheduling called One-Round Robin (1-RR). The second is a variant of 1-RR where the local scheduling is based on the two QoS parameters considered. The last one, called Class-Based Earliest Deadline First (CB-EDF), takes into account the two QoS parameters both at the local level and at the global level.
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