High Security Chipless RFID Tags Using Frequency Shift Coding Technique
نویسندگان
چکیده
منابع مشابه
Chipless Rfid Tags
a compact multi resonator circuit for Chipless rfid tag is presented in this paper. The basic resonator is a shorted λ/4 Stepped Impedance Resonator (SIR). The tag is designed and simulated using High Frequency Structure Simulator and a 6 bit prototype is fabricated on rtduroid(εr=2.2 and tanδ=.0008) Substrate in area of 4.5x2cm2. Data is coded as amplitude variations in the frequency domain. H...
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This article presents two chipless RFID approaches where data are reading using electromagnetic waves and where the medium encoding the data is completely passive. The former approach rests on the use of RF waves. The tags are comparable with very specific, planar, conductive, radar targets where the relation between the tag geometry and its electromagnetic signature is perfectly known and is u...
متن کاملTime-domain Measurement of Time-coded Uwb Chipless Rfid Tags
Chipless ultra-wideband (UWB) has been proposed as a low-cost alternative for radiofrequency identification (RFID). In this paper, a comprehensible theoretical introduction to time-domain operation of a UWB RFID tag is described, and a circuit model is proposed. For commercial applications low-cost RFID readers are demanded. To this end, this paper addresses the measurement of time-coded UWB ch...
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Multiresonator is an essential component of spectral signature based chipless RFID tags [4–33]. This chapter deals with the design and development of coupled bunch hairpin resonator for multiresonating circuit. A brief discussion on hairpin resonator and evolution of coupled bunch hairpin resonator are presented. The data encoding technique applied is also illustrated in detail. Two disc monopo...
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ژورنال
عنوان ژورنال: Radioengineering
سال: 2017
ISSN: 1210-2512
DOI: 10.13164/re.2017.0765