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基于半有源RFID技术的人员跟踪定位系统

龙源期刊网 https://www.wendangku.net/doc/ee3964137.html,

基于半有源RFID技术的人员跟踪定位系统作者:陈军慧杨登辉黄慧冬

来源:《现代电子技术》2014年第18期

摘要:针对人们对特殊复杂环境下信息安全和人员管理的实际需求,而传统GPS定位技术在无法满足实时、高精度定位的问题,提出了一种基于半有源RFID技术的人员跟踪定位方法。设计并开发出的125 kHz低频激励器,激励半径1~10 m可调,激励区域边沿控制达到分米级。采用低频激励器、RFID阅读器和双频标签搭建的实验系统经过测试,系统稳定可靠,人员定位跟踪信息实时、准确。

关键词:半有源RFID;低频激励器;双频RFID标签;人员定位跟踪

中图分类号: TN964?34 文献标识码: A 文章编号: 1004?373X(2014)18?0130?03 Personnel tracking and positioning system based on semi?active RFID technology

CHEN Jun?hui1, YANG Deng?hui1, HUANG Hui?dong2

(1. No. 52 Research Institute, China Electronics Technology Group Corporation, Hangzhou 310012, China;

2. Automation College, Hangzhou Dianzi University, Hangzhou 310018, China)

Abstract: Aiming at the practical needs for information security and personnel management under special complex environment, a staff tracking and positioning method based on semi?active RFID technology is proposed because the traditional GPS positioning technology can not meet the high?precision real?time positioning. A 125 Khz low?frequency exciter with adjustable excitation radius of 1~10 m and excitation region edge control of decimeter level was designed. The experimental system constructed by low?frequency actuator, RFID reader and dual?frequency RFID tags was tested. The test result show that the experimental system based on semi?active RFID technology is stable and its tracking information is real?time and accurate.

Keywords: semi?active RFID; LF exciter; dual?frequency RFID tag; personnel positioning and tracking

0 引言

RFID(Radio Frequency Identification,射频识别)技术[1],又称无线射频识别,是一种通信技术,可通过无线电信号识别特定目标并读写相关数据,而无需识别系统与特定目标之间建立机械或光学接触。根据频段可分为低频(125~134.2 kHz)、高频(13.56 MHz)、超高

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