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无线传感器网络定向扩散协议研究及改进 被引量：6

Research and improvement on directed diffusion for wireless sensor networks
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摘要 定向扩散是以数据为中心的路由协议,与无线传感器网络以数据为中心的特点相符合,有着传统的路由协议不具备的优势。但是定向扩散协议的一些缺陷会影响它在无线传感器网络中的应用。对定向扩散协议进行了研究分析,并对其初始阶段兴趣扩散的洪泛方式进行了改进,引入了一种更加节能和有效的兴趣扩散方式。最后通过仿真验证改进过的定向扩散协议具有更好的节能性和适应性。 Directed diffusion （DD） is a data-based routing protocol, which is compatible with the data-based property of wireless sensor networks （WSNs）. It has many advantages that traditional routing protocols do not have. However, some defects will encumber its application in WSNs. The DD protocol is investigated, and the flooding method used in the initial interest diffusion stage of DD is improved by proposing a more energy-efficient way of interest diffusion. The simulation results show that this new approach has better performance in energy efficiency and applicability.
作者 赵奇 王汝传 孙力娟
机构地区 南京邮电大学计算机科学与技术系
出处 《计算机工程与设计》 CSCD 北大核心 2007年第12期2825-2828,共4页 Computer Engineering and Design
基金 国家自然科学基金项目(60573141 70271050) 江苏省自然科学基金项目(BK2005146) 江苏省高技术研究计划基金项目(BG2004004 BG2005038) 江苏省计算机信息处理技术重点实验室基金项目(kjs050001) 江苏省高校自然科学研究计划基金项目(04KJB520095)
关键词 无线传感器网络 定向扩散协议 兴趣扩散 能量效率 wireless sensor networks directed diffusion interest diffusion energy efficiency
分类号 TN915.04 [电子电信—通信与信息系统] TP393.03 [自动化与计算机技术—计算机应用技术]
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参考文献11

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二级参考文献17

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共引文献16

同被引文献70

引证文献6

二级引证文献29

计算机工程与设计
2007年 第12期

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