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一种改进的WSN拥塞检测和控制机制 被引量：2

An improved congestion detection and control mechanism for wireless sensor networks
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摘要 提出了WSN中基于多路径转发的拥塞检测和控制算法.拥塞检测算法是在原有算法的基础上进行了改进,并根据队列长度来判断是否出现了拥塞,拥塞控制是由每个源节点维持的预期数据包加载速率进行控制.仿真实验结果表明,本文给出的拥塞检测和控制算法在队列、吞吐量、数据包转发率等方面具有较好的网络性能. An improved congestion detection and control scheme, multipath-based for-warding was presented for wireless sensor networks. Congestion detection algorithm that derived from PCCP was improved and according to the queue length of a node to judge whether congestion appears c,r not. Congestion control algorithm is driven by preconceived packet loading rates maintained at each source node. The simulation results show that our schemes exhibit better performance than the existing ones, including throughput ,packet delivery ratio and queue.
作者 余小华 陈瑛
机构地区 华南理工大学广州学院 华南师范大学增城学院
出处 《华中师范大学学报（自然科学版）》 CAS CSCD 北大核心 2011年第2期199-203,共5页 Journal of Central China Normal University：Natural Sciences
基金 广东省科技计划项目(2007b010400068)
关键词 无线传感器网络 拥塞控制 队列 数据包发送比率 吞吐量 wireless sensor networks congestion control queue packet delivery ratio throughput
分类号 TP393.4 [自动化与计算机技术—计算机应用技术]
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参考文献10

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二级参考文献32

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共引文献1708

同被引文献15

引证文献2

二级引证文献3

华中师范大学学报（自然科学版）
2011年 第2期

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