Improvement of location methods based on RFID

被引：18

作者：

WU Ling ^{[1
]}

HUANG Li-ya ^{[1
]}

机构：

[1] Institute of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications

来源：

TheJournalofChinaUniversitiesofPostsandTelecommunications | 2013年 / 20卷 / 06期

基金：

中国国家自然科学基金;

关键词：

LANDMARC; VIRE; received signal strength indicator(RSSI); Lagrange; adaptive threshold;

D O I：

暂无

中图分类号：

TN911.7 [信号处理];

学科分类号：

0711 ; 080401 ; 080402 ;

摘要：

The most common location algorithms based on received signal strength(RSS)are location identification based on dynamic active radio frequency identification(LANDMARC)and virtual reference elimination(VIRE).However,both the original algorithms suffer from some drawbacks.In this paper,several aspects of the two original algorithms have been modified to reduce the positioning errors.Firstly,Lagrange interpolation has been used instead of linear interpolation.Secondly,adaptive threshold has been introduced in the new algorithm.Thirdly,insert virtual reference tags to improve the location accuracy of the boundary of the sensing area.Finally,combine LANDMARC with VIRE to absorb both advantages.Compared with the original algorithms,on average,simulated results show that the modified algorithms can improve the location performance efficiently and achieve the goal of accurate positioning in indoor environment.

引用

页码：36 / 41

页数：6