Asymmetric Event-Driven Node Localization in Wireless Sensor Networks

被引：17

作者：

Stoleru, Radu ^{[1
]}

He, Tian ^{[2
]}

Mathiharan, Siddhartha S. ^{[1
]}

George, Stephen M. ^{[1
]}

Stankovic, John A. ^{[3
]}

机构：

[1] Texas A&M Univ, Dept Comp Sci & Engn, College Stn, TX 77845 USA

[2] Univ Minnesota, Dept Comp Sci & Engn, Minneapolis, MN 55455 USA

[3] Univ Virginia, Dept Comp Sci, Charlottesville, VA 22903 USA

来源：

IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS | 2012年 / 23卷 / 04期

基金：

美国国家科学基金会;

关键词：

Wireless sensor networks; node localization; asymmetric function;

D O I：

10.1109/TPDS.2011.227

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Localization of wireless sensor nodes has long been regarded as a problem that is difficult to solve, especially when considering characteristics of real-world environments. This paper formally describes, designs, implements, and evaluates a novel localization system called Spotlight. The system uses spatiotemporal properties of well-controlled events in the network, light in this case, to obtain locations of sensor nodes. Performance of the system is evaluated through deployments of Mica2 and XSM motes in an outdoor environment, where 20 cm localization error is achieved. A sensor network consisting of any number of nodes deployed in a 2; 500 m(2) area can be localized in under 10 minutes. Submeter localization error in an outdoor environment is made possible without equipping the wireless sensor nodes with specialized ranging hardware.

引用

页码：634 / 642

页数：9

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