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无线传感网中基于可变聚合率的时隙调度 被引量:1

Time-Slot Scheduling Based on Variable Aggregation Rate Model for Wireless Sensor Networks
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摘要 针对任意数据聚合率模型下的时隙调度问题,研究了在不同调度周期下进行的各节点时隙分配算法的sink节点汇聚的数据信息量和网络节点能量消耗的变化情况.通过对节点调度时隙分配的优化,使其在满足sink节点汇聚的数据信息量的同时延长网络节点的寿命.仿真结果表明,在大于一跳节点最小调度周期的基础上,适当增大调度周期,并依此进行节点时隙的分配,可以使sink节点汇聚的数据信息量提高,而且网络的寿命也相应提高. In this paper, the time-slot scheduling problem for the variable aggregation rate model, and the problem of sink aggregated information and network energy consumption by controlling the sample cycle were studied. The optimization problem of the time-slot allocation was formulated to achieve the dual goals of improving the network lifetime and increasing the sink collection information. Simulation results demonstrate that when choosing the optimized sample cycle, the sink aggregation information can be further improved and the network lifetime can be increased.
出处 《上海交通大学学报》 EI CAS CSCD 北大核心 2016年第9期1399-1406,共8页 Journal of Shanghai Jiaotong University
基金 国家自然科学基金项目(U1201253,U08035003) 国家自然科学基金应急管理项目(M1450004) 国家重大专项课题(2012ZX09304-003-005) 国家重点基础研究发展规划(973)项目(2014CB046305) 湖南省教育科学规划项目(XJK015CXX006) 中南林业科技大学青年基金项目(QJ2011010B)资助
关键词 无线传感网络 可变聚合率 时隙调度 数据信息量 网络寿命 wireless sensor networks variable aggregation rate time-slot scheduling sink aggregation in- formation network lifetime
作者简介 何岸(1979-),女,湖南省长沙市人,博士生,讲师,主要研究方向为无线传感网络.E—mail:heanholly@163.com. 龙军(联系人),男,教授,博士生导师,电话(Tel.):0731-82539926;E-mail:jlong@csu.edu.cn.
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参考文献12

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