RF Fingerprinting Physical Objects for Anticounterfeiting Applications

被引：39

作者：

Lakafosis, Vasileios ^{[1
]}

Traille, Anya ^{[1
]}

Lee, Hoseon ^{[1
]}

Gebara, Edward ^{[1
]}

Tentzeris, Manos M. ^{[1
]}

DeJean, Gerald R. ^{[2
]}

Kirovski, Darko ^{[2
]}

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30308 USA

[2] Microsoft Res, Redmond, WA 98052 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2011年 / 59卷 / 02期

基金：

美国国家科学基金会;

关键词：

Anticounterfeiting; multiantenna systems; near-field; RF certificate of authenticity (RF-CoA); RF fingerprint; RF identification (RFID); wireless;

D O I：

10.1109/TMTT.2010.2095030

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Rendering typical RF identification (RFID) tags physically unique and hard to near-exactly replicate by complementing them with unique RF certificates of authenticity (RF-CoAs) can prove a valuable tool against counterfeiting. This paper introduces a new robust RFID system with enhanced hardware-enabled authentication and anticounterfeiting capabilities that relies on the near-field RF effects between a 5 x 5 antenna array and the uniquely modified substrate of the RF-CoAs. A microcontroller-enabled, low-power, and low-cost reader is used to accurately extract the near-field response ("RF fingerprint") of the certificates meant to complement typical RFID tags in the 5-6-GHz frequency range. The RF characterization of all the reader's components, with an emphasis on the accuracy provided, has been performed. The state diagram of the fast and accurate reader operation is outlined. Rigorous performance and security test results are presented and verify the unique features of this technology.

引用

页码：504 / 514

页数：11

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