[1]李应娣 单志龙.无线传感器网络定向扩散路由协议研究[J].计算机技术与发展,2010,(09):40-43.
 LI Ying-di,SHAN Zhi-long.Research on Directed Diffusion Routing Protocols in Wireless Sensor Networks[J].,2010,(09):40-43.
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无线传感器网络定向扩散路由协议研究()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2010年09期
页码:
40-43
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
Research on Directed Diffusion Routing Protocols in Wireless Sensor Networks
文章编号:
1673-629X(2010)09-0040-04
作者:
李应娣 单志龙
华南师范大学
Author(s):
LI Ying-diSHAN Zhi-long
School of Computer Science,South China Normal University
关键词:
定向扩散无线传感器网络射频角度
Keywords:
directed diffusion wireless sensor network radio frequency of angle
分类号:
TP393
文献标志码:
A
摘要:
定向扩散协议是一个典型的以数据为中心的路由协议。它具有很多的优点,但是也有一定的不足。在初始兴趣扩散阶段,由于采用泛洪方式,导致了很大的能量开销。为了减少泛洪所引起的能量开销,文中提出了一种改进的路由协议DD-RFA。即采用节点的射频角度来发送兴趣,邻居节点只有在射频角度范围内的才可以扩散兴趣,否则拒绝扩散兴趣。仿真结果表明,与传统的定向扩散协议相比,有效地缩小了兴趣报文泛洪的范围,减少了参与兴趣扩散的节点数目,节省了能量。因此,改进的路由协议很大程度上节省了能量,延长了整个网络的生命周期
Abstract:
Directed diffusion(DD) is a typical data-centric protocol for wireless sensor networks.It has many advantages,but it also has some defeats.In the initial interest diffusion stage,DD uses the flooding method,which leads to more energy expenses.In order to reduce energy consumption,directed diffusion based on radio frequency of angle(DD-RAF) is proposed in this paper.In DD-RAF,the neighbor nodes diffuse interest using radio frequency of angle.Only in the radio frequency scope can the interests be diffused by the neighbor nodes.Comparing with DD,simulation results show that the improved protocol efficiently reduces flooding scope,decreases the number of participating nodes in the flooding, and save the energy.Consequently,the improved routing can efficiently save the energy,prolong the lifetime of wireless sensor networks

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备注/Memo

备注/Memo:
国家自然科学基金(10771080); 广东省自然科学基金(07006488)李应娣(1983-),女,硕士研究生,研究方向为无线传感器网络;单志龙,硕士生导师,副教授。研究方向为计算机与通信网、自组织网络、移动通信等
更新日期/Last Update: 1900-01-01