Abstract
This study presents the design of a compact Radio Frequency Identification chipless tag, with reduced size, important quality factor and improved results. The proposed prototype is based on Substrate Integrated Waveguide technology using the Half-Mode Substrate Integrated Waveguide technique to reduce the tag size by the half and preserve the same response. Further, the operating frequency band is from 5.5 to 8 GHz inside a compact surface of 1.3 × 5.7 cm². The frequency domain approach is adopted based on the frequency shift coding technique.
Highlights
Wireless RF components and systems have been studied widely in recent years, and are constantly growing
The RFID chipless tag, our study focus, which is a promising alternative to develop a technology of identification more efficient than barcode and cheaper than conventional RFID, that uses tags equipped with Application-Specific Integrated Circuit (ASICS) associated to an antenna
RFID chipless tag has appeared since 2005 as an RF barcode which consists of 5 metallic strips giving 5 resonant peaks [7]
Summary
Wireless RF components and systems have been studied widely in recent years, and are constantly growing. Substrate Integrated Waveguide technology has been emerged as a promising tool for the last research decade [2] It has become extensively investigated and applied; and still proving day after day that it makes difference and improves structure such as mixers [3], oscillators [4], and Amplifiers [5]. Three tuning posts are used to shift frequency from 3.1 to 4.8 GHz. From the research study, we can conclude that chipless technology is in intermediary phase, from the goal of improving the encoding capacity without being aware of the size and the application, towards a global reason which aims to combine the qualities of smart encoding technique, compact size, low losses, and reduced cost in industry.
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