[1]沙超 王汝传.一种基于移动信标的无线传感网节能定位方法[J].计算机技术与发展,2012,(12):51-54.
　SHA Chao,WANG Ru-chuan.A Type of Energy-efficient Localization Method Based on Mobile Beacons for Wireless Sensor Networks[J].,2012,(12):51-54.
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一种基于移动信标的无线传感网节能定位方法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2012年12期
页码:
51-54
栏目:
智能、算法、系统工程
出版日期:
1900-01-01

文章信息/Info

Title:
A Type of Energy-efficient Localization Method Based on Mobile Beacons for Wireless Sensor Networks
文章编号:
1673-629X（2012）12-0051-04
作者:
沙超 王汝传
南京邮电大学计算机学院
Author(s):
SHA Chao;  WANG Ru-chuan
College of Computer, Nanjing University of Posts and Telecommunications
关键词:
无线传感网; 移动信标; 定位
Keywords:
wireless sensor networks;  mobile beacon ;  localization
分类号:
TP393
文献标志码:
A
摘要:
文中针对固定锚节点定位方法在定位精度、定位成功率及定位能耗等方面的缺陷，提出一种基于螺旋状轨迹的移动信标定位方法。单信标节点以恒定角速度，沿螺旋轨迹自内向外逆时针运动，在固定点广播其坐标信息，确保了网内节点皆可获得足够的信标信息。同时，通过对移动路径与移动时间的估算，进行能耗判定，制定待定位节点休眠调度策略。仿真结果表明，同RSSI与DV—HOP等方法相比，该方法不仅具备较高定位精度和定位成功率，其能耗开销也相对较低
Abstract:
In the light of its defects in precision, success rate and energy consumption,node localization method with fixed anchor node is not suitable for wireless sensor networks. A type of localization method using mobile beacons based on spiral-like moving path is pro posed in this paper. One beacon node moves along the spiral path counterclockwise with a constant angular velocity and broadcasts its coordinate on the fixed points to ensure that all of the unknown nodes in the network could obtain enough information. Meanwhile,according to the moving path and the localization time, energy consumption of the network could be estimated and also give the sleep scheduling strategy for the node to be localized. Simulation results show that,compared with the RSSI and DV-HOP algorithms, this method could not only promote the accuracy and success rate of localization,but also reduce the energy consumption

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备注/Memo

备注/Memo:
国家自然科学基金资助项目（61103195）;江苏省自然科学基金（BK2012436）;江苏省高校自然科学基础研究项目（11KJB520014）沙超（1983-），男（回族），江苏南京人，讲师，硕士生导师，研究方向为无线传感器网络技术；王汝传（1943-），教授，博士生导师，主研计算机软件、计算机网络、信息安全
更新日期/Last Update: 1900-01-01