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中文摘要：
中间节点上的主动队列管理策略在保证较高吞吐量的基础上能有效控制队列长度和端到端时延，利用频率域模型降阶拟合方式建立了TCP流量控制中主动队列管理系统的等效模型，应用控制理论中的内模补偿原理设计鲁棒的延时补偿主动队列管理控制算法，克服了大时滞给对队列稳定造成的不利影响。仿真结果表明，该补偿方法在长时滞小期望队列综合性能明显优于已有的RED，REM，PI等算法，链路利用率大大提高。
英文摘要：
AQM（Active Queue Management）of the intermedite nodes can control queue number and the delay of end-to-end based on higher thronghput, based on the model reduction theory in frequency-domain TCP AQM system model are proposed. A robust AQM algorithm applying the principle of internal mode compensation in control theory is designed. The new algorithm restricts the negative impact on the queue and the stability caused by the large delay. The simulation experimental results show that the integrated performance of the proposed algorithm is obviously superior to that of the existed RED, REM and PI schemes when the network are large delay and small queue length, and the link utilization is increased.
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