A TDOA Location Algorithm Based on Semidefinite Relaxation Programming

被引：0

作者：

Cao Lijie ^{[1
,2
]}

Guo Ge ^{[1
]}

Wang Qihua ^{[1
,2
]}

Hao Liying ^{[1
,2
]}

机构：

[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Peoples R China

[2] Dalian Ocean Univ, Sch Informat Engn, Dalian 116023, Peoples R China

来源：

2015 34TH CHINESE CONTROL CONFERENCE (CCC) | 2015年

关键词：

sensor networks; position; semi-definite; TODA;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we proposed a time difference of arrival(TDOA) location method based on the semi-definite relaxation planning in order to achieve the accurate positioning of unknown nodes in sensor network. The unknown nodes include mobile nodes and target node. Based on measurement of time arrived, the noise has been considered, by relaxation the constraint conditions, the non-convex problem has been converted into a convex problem. Numerical simulation showed that the method can effectively improve the positioning precision of the unknown node.

引用

页码：7817 / 7820

页数：4

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