Performance Analysis of Active Target Localization Using TDOA and FDOA Measurements in WSN

被引：4

作者：

Li, Jiandong ^{[1
]}

Sun, Xiaoyan ^{[1
]}

Huang, Pengyu ^{[1
]}

Pang, Jiyong ^{[1
]}

机构：

[1] Xidian Univ, State Key Lab Integrated Serv Networks, Inst Informat Sci, Lab Broadband Wireless Commun, Xian 710071, Peoples R China

来源：

2008 22ND INTERNATIONAL WORKSHOPS ON ADVANCED INFORMATION NETWORKING AND APPLICATIONS, VOLS 1-3 | 2008年

关键词：

D O I：

10.1109/WAINA.2008.149

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Target localization is one of the basic functions of wireless sensor networks. In the target localization algorithms, the problem of how many sensors are needed and how they are deployed is what we are concerned about in this paper. The authors of [5] present the mathematical expression of Cramer-Rao lower bound for the localization error, which is the smallest lower bound of any unbiased estimation. However it is difficult to be used to find out the relation between sensor number and Cramer-Rao lower bound directly. In this paper the relation between sensor number and Cramer-Rao lower bound is revealed by simulation. And how the topology affects the Cramer-Rao lower bound is also presented.

引用

页码：585 / 589

页数：5

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