Indoor distance estimation for passive UHF RFID tag based on RSSI and RCS

被引：46
|
作者：
Omer, Mugahid [1 ]
Tian, Gui Yun [1 ,2 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Automat Engn, Chengdu 611731, Sichuan, Peoples R China
[2] Newcastle Univ, Sch Elect & Elect Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
MEASUREMENT | 2018年 / 127卷
基金：
中国国家自然科学基金;
关键词：
Passive UHF RFID tag; Indoor localization; RSSI; RCS; LOCALIZATION; RADIO;
D O I：
10.1016/j.measurement.2018.05.116
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We develop a new procedure to estimate the indoor distance for passive UHF RFID tag, the estimation concept relies on the relationship between radar cross section RCS of the maximum effective reading distance and any measured distance at 928 MHz multiplied by received signal strength indicator RSSI ratio. It gives a high accuracy in two stages. In the first stage, the percentage accuracy of the estimated distance is trained, and a percentage polynomial curve is created; this curve is used to increase the accuracy in the second stage which ranges from 90.3% to 100.0% with root mean square error RMSE 0.02.
引用
收藏
页码：425 / 430
页数：6
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