Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs

The accurate detection and reliable performance of chipless radio frequency identification (RFID) tags and sensors present significant challenges due to their inherently low radar cross section (RCS) and pronounced mutual coupling effects. These limitations adversely influence the quality (Q) factor...

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Main Authors: Likitha Lasantha, Biplob Ray, Nemai Karmakar
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/25/6/1653
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author Likitha Lasantha
Biplob Ray
Nemai Karmakar
author_facet Likitha Lasantha
Biplob Ray
Nemai Karmakar
author_sort Likitha Lasantha
collection DOAJ
description The accurate detection and reliable performance of chipless radio frequency identification (RFID) tags and sensors present significant challenges due to their inherently low radar cross section (RCS) and pronounced mutual coupling effects. These limitations adversely influence the quality (Q) factor and overall detectability, complicating the optimisation of chipless RFID systems for practical applications. This study investigates the performance characteristics and trade-offs among RCS, Q-factor, and detectability in Pi-shaped array configurations of chipless RFID tags. A comprehensive analysis of various array configurations is conducted, supplemented by a link budget evaluation to elucidate how different array structures impact system performance. The simulation results reveal that planar arrays outperform linear arrays in both RCS and Q-factor, highlighting essential trade-offs between tag identification range and angular coverage, which are influenced by array size and electromagnetic coupling. The findings emphasise optimising resonance quality and scattering efficiency to tailor chipless RFID systems for specific application requirements. This research provides valuable insights into the design and operation of chipless RFID arrays, contributing to their advancement in practical applications.
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spelling doaj-art-ba85b6ec60df4683b5665fd3504e250d2025-08-20T02:43:03ZengMDPI AGSensors1424-82202025-03-01256165310.3390/s25061653Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag DesignsLikitha Lasantha0Biplob Ray1Nemai Karmakar2Department of Electrical and Computer Systems Engineering, Monash University, 14 Alliance Lane, Clayton, VIC 3800, AustraliaSchool of Engineering and Technology, Central Queensland University, 120 Spencer St, Melbourne, VIC 3000, AustraliaDepartment of Electrical and Computer Systems Engineering, Monash University, 14 Alliance Lane, Clayton, VIC 3800, AustraliaThe accurate detection and reliable performance of chipless radio frequency identification (RFID) tags and sensors present significant challenges due to their inherently low radar cross section (RCS) and pronounced mutual coupling effects. These limitations adversely influence the quality (Q) factor and overall detectability, complicating the optimisation of chipless RFID systems for practical applications. This study investigates the performance characteristics and trade-offs among RCS, Q-factor, and detectability in Pi-shaped array configurations of chipless RFID tags. A comprehensive analysis of various array configurations is conducted, supplemented by a link budget evaluation to elucidate how different array structures impact system performance. The simulation results reveal that planar arrays outperform linear arrays in both RCS and Q-factor, highlighting essential trade-offs between tag identification range and angular coverage, which are influenced by array size and electromagnetic coupling. The findings emphasise optimising resonance quality and scattering efficiency to tailor chipless RFID systems for specific application requirements. This research provides valuable insights into the design and operation of chipless RFID arrays, contributing to their advancement in practical applications.https://www.mdpi.com/1424-8220/25/6/1653array configurationschipless radio frequency identification (RFID)detectabilitydetection performanceradar cross section (RCS)
spellingShingle Likitha Lasantha
Biplob Ray
Nemai Karmakar
Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs
Sensors
array configurations
chipless radio frequency identification (RFID)
detectability
detection performance
radar cross section (RCS)
title Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs
title_full Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs
title_fullStr Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs
title_full_unstemmed Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs
title_short Trade-Off Analysis for Array Configurations of Chipless RFID Sensor Tag Designs
title_sort trade off analysis for array configurations of chipless rfid sensor tag designs
topic array configurations
chipless radio frequency identification (RFID)
detectability
detection performance
radar cross section (RCS)
url https://www.mdpi.com/1424-8220/25/6/1653
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