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无线接入系统的系统级建模及性能分析

Keywords: 仿真,性能分析,嵌入式系统,接入点

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Abstract:

为了分析IEEE802.11协议中主要参数对无线接入系统性能的影响以及设计低成本的无线接入点(accesspoint,简称为AP),按照复杂嵌入式系统的系统级设计流程,在AP的软/硬件实现之前使用形式化建模语言POOSL建立了无线接入系统的抽象模型.定量地分析了最小竞争窗口(CWmin)等参数对有效吞吐量和平均延时等性能指标的影响,通过分析CPU利用率,确定了合适的CPU处理速度.结果表明:在系统设计的早期阶段通过系统级建模及性能分析,可以确定系统设计的关键参数.

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