Total Least Squares Method for Robust Source Localization in Sensor Networks Using TDOA Measurements

被引：41
|
作者：
Weng, Yang [2 ]
Xiao, Wendong [1 ]
Xie, Lihua [3 ]
机构：
[1] Inst Infocomm Res, Networking Protocols Dept, Singapore 138632, Singapore
[2] Sichuan Univ, Coll Math, Chengdu 610064, Peoples R China
[3] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
INTERNATIONAL JOURNAL OF DISTRIBUTED SENSOR NETWORKS | 2011年
关键词：
PASSIVE SOURCE LOCALIZATION; ALGORITHM; LOCATION; EFFICIENT;
D O I：
10.1155/2011/172902
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The TDOA-based source localization problem in sensor networks is considered with sensor node location uncertainty. A total least squares (TLSs) algorithm is developed by a linear closed-form solution for this problem, and the uncertainty of the sensor location is formulated as a perturbation. The sensitivity of the TLS solution is also analyzed. Simulation results show its improved performance against the classic least squares approaches.
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页数：8
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