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QoS Control for Guaranteed Service Bundles Over Fiber-Wireless (FiWi) Broadband Access Networks

机译：光纤（FiWi）宽带接入网络上有保证服务捆绑的QoS控制

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摘要

The integration of ethernet passive optical networks (EPONs) and IEEE 802.16 has been lately presented as a promising candidate for next-generation broadband access. This paper investigates the performance of the integrated carrier when specific service bundles (SBs) with bandwidth guarantee and diverse quality of service requirements are provisioned. We first present a novel framework that fairly distributes the upstream network capacity among the different SBs. We then propose a novel delay-based admission control scheme to increase the network utilization and enable an inter-SB statistical multiplexing. To obtain the expected delay of each SB stream, a generic analytical model is developed. Based on this model, we further formulate some important performance measures such as queuing delay, end-to-end (from wireless user to the central office of PON) delay, average queue size and optimal orthogonal frequency division multiplexing frame length. Numerical results validate our analysis and highlight the advantages of the proposed solution.
机译：以太网无源光网络（EPON）和IEEE 802.16的集成最近已被提出作为下一代宽带接入的有希望的候选者。本文研究了提供带宽保障和多种服务质量要求的特定服务捆绑（SB）时集成运营商的性能。我们首先提出一个新颖的框架，该框架在不同的SB之间公平地分配上游网络容量。然后，我们提出了一种新颖的基于延迟的准入控制方案，以提高网络利用率并启用SB间统计复用。为了获得每个SB流的预期延迟，开发了一个通用分析模型。在此模型的基础上，我们进一步制定了一些重要的性能指标，例如排队延迟，端到端（从无线用户到PON的中心局）延迟，平均队列大小和最佳正交频分复用帧长度。数值结果验证了我们的分析结果，并突出了所提出解决方案的优势。

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