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中文摘要：
为解决无线传感器网络逐跳节点拥塞控制问题,在节点网络层与链路层之间引入水槽流入与流出的数学模型,提出一种针对逐跳节点级链路层帧缓冲区队列长度的拥塞控制模型,并采用基于趋近律的离散滑模控制结构作为该模型的控制器,控制过程简便且易于实现。仿真结果表明,与常规的PID控制、模糊PID控制相比,该模型在响应速度、延迟时间等方面性能较好。
英文摘要：
A new hop-to-hop congestion mathematical model between the network-layer and the link-layer is presented based on the tank balance relationship of the inflows and outflows for the node-congestion control in Wireless Sensor Network（WSN）. The congestion control model is simpler than ever before and is easy to implement and a discretesliding mode controller is designed based on the reaching-law. The simulation results show that the proposed model is better than the traditional PID and fuzzy control in terms of response and delay.
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