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QoS algorithms for IEEE 802.11e implementation

机译:用于IEEE 802.11e实现的QoS算法

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In this paper, we analyze the issues involved in developing a system based on the IEEE 802.11e draft proposal, which defines medium access control (MAC) procedures to support wireless LAN with QoS requirements. However, for scheduler design, the standard provides informative and normative guidelines only. This paper concentrates on design of a scheduler that adapts with the varying channel conditions. We describe the interactions of this scheduler with other components in the system. The functionality of the scheduler is extended to include rate adaptation information. Through extensive simulations, we study the performance enhancement in terms of throughput offered by the adaptive scheme for traffic streams. Results also show the suitability of the scheme in offering QoS guarantees for networks handling both integrated and differentiated traffic using hybrid coordination function (HCF) defined in the draft.
机译:在本文中,我们分析了基于IEEE 802.11e草案提案开发系统所涉及的问题,该草案定义了介质访问控制(MAC)程序以支持具有QoS要求的无线局域网。但是,对于调度程序设计,该标准仅提供信息性和规范性准则。本文着重于调度器的设计,以适应变化的信道条件。我们描述了此调度程序与系统中其他组件的交互。调度程序的功能已扩展为包括速率适配信息。通过广泛的仿真,我们研究了自适应方案为业务流提供的吞吐量方面的性能增强。结果还表明,该方案适用于使用草案中定义的混合协调功能(HCF)为处理集成流量和差分流量的网络提供QoS保证。

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