A Hybrid UHF RFID Tag Robust to Host Material

Sohrab, Abed Pour; Huang, Yi; Hussein, Muaad; Carter, Paul

doi:10.1109/jrfid.2017.2765623

Cited by 15 publications

(10 citation statements)

References 23 publications

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Section: Antenna Design For Rfid Sesnor Dedicated To Pv Panelsmentioning

confidence: 99%

“…Since the complex impedance of the antenna varies with the environmental conditions, it is very important to precisely designate material properties of the substrate to which it is attached [45,46]. The relative permittivity ε r and dielectric loss tgδ are the most important parameters that have to be determined for materials that are used in the PV panel constructions and that can potentially form the substrate of the transponders.…”

Section: Antenna Design For Rfid Sesnor Dedicated To Pv Panelsmentioning

confidence: 99%

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Designing Antennas for RFID Sensors in Monitoring Parameters of Photovoltaic Panels

et al. 2020

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The importance of the radio-frequency identification (RFID) technology and photovoltaic (PV) systems has been growing systematically in the modern world full of intelligent products connected to the Internet. Monitoring parameters of green energy plants is a crucial issue for efficient conversion of solar radiation, and cheap RFID transponders/sensors can be involved in this process to provide better performance of module supervision in scattered installations. Since many components of PV panels disturb the radio-wave propagation, research in the antenna scope has to be carried out to reach the proposed fusion. The problem with RFID transponders being detuned in close proximity to glass or metal surfaces can be solved on the basis of solutions known from the scientific literature. The authors went further, revealing a new antenna construction that can be fabricated straight on a cover glass of the PV panels. To achieve the established task, they incorporated advantages from the latest advancements in materials technology and low-power electronics and from the progress in understanding radio-wave propagation phenomena. The numerical model of the antenna was elaborated in the Hyper Lynx 3D EM software environment, and test samples were fabricated on the technology line of ML System Company. The convergence of calculated and measured antenna parameters confirms the design correctness. Thus, the studied antenna can be used to elaborate the cheap semipassive RFID transponders/sensors in the PV panel production lines.

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Section: Antenna Design For Rfid Sesnor Dedicated To Pv Panelsmentioning

confidence: 99%

Section: Antenna Design For Rfid Sesnor Dedicated To Pv Panelsmentioning

confidence: 99%

Designing Antennas for RFID Sensors in Monitoring Parameters of Photovoltaic Panels

et al. 2020

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“…The simulated return loss shows a 3-dB bandwidth ranging from 860-960 MHz. As expressed in [16], the 3-dB return loss is enough for RFID applications due to high radiation capacity of proposed RFID tag. However, the measured return loss of proposed RFID also gives 3 dB return loss for whole UHF RFID band with a slight shift.…”

Section: Simulation and Measurementsmentioning

confidence: 99%

“…The performance of UHF RFID tags seriously degraded near the proximity of metals regarding detuning of the frequency band and reduction in gain of the antenna. In some recent years, many solutions have been proposed for tagging metallic objects [16][17][18][19][20][21]. However, to reduce the influence of the metallic objects, most of the tags reported in literature utilize microstrip patch-like structure, which employs a ground plane beneath the substrate of the antenna.…”

mentioning

confidence: 99%

Low-Cost Inkjet-Printed UHF RFID Tag-Based System for Internet of Things Applications Using Characteristic Modes

Sharif

Ouyang

Yang

et al. 2019

IEEE Internet Things J.

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The radio frequency identification (RFID) has emerged Internet of things (IoT) into the identification of things. This paper presents, a low-cost smart refrigerator system for future internet of things applications. The proposed smart refrigerator is used for automatic billing and restoring of beverage metallic cans. The metallic cans can be restored by generating a product shortage alert message to a nearby retailer. To design a low-cost and lowprofile tag antenna for metallic items is very challenging, especially when mass production is required for item-level tagging. Therefore, a novel ultra-high frequency (UHF) radio frequency identification (RFID) tag antenna is designed for metallic cans by exploiting the metallic structure as the main radiator. Applying Characteristics mode analysis (CMA), we observed that some characteristic modes associated with the metallic structure could be exploited to radiate more effectively by placing a suitable inductive load. Moreover, a low cost, printed (using conductive ink) small loop integrated with meandered dipole used as an inductive load, which was also connected with RFID chip. The 3-dB bandwidth of the proposed tag covers the whole UHF band ranging from 860-960 MHz when embedded with metal cans. The measured read range of the RFID tag is more than 2.5 meters in all directions to check the robustness of the proposed solution. To prove the concept, a case study was performed by placing the tagged metallic cans inside a refrigerator for automatic billing, 97.5 % tags are read and billed successfully. This study paves the way for tagging metallic bodies for tracking applications in domains ranging from consumer devices to infotainment solutions, which enlights a vital aspect for the Internet of Things (IoT). Index Terms-Characteristic mode theory (CMT), Internet of Things (IoT), radio frequency identification (RFID) tag antenna, smart refrigerator I. INTRODUCTION he Internet of Things foresees a future in which physical and virtual things can be uniquely identified on a global scale by means of emerging integrated wireless technologies.

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“…Also, the vertical chip mounting configuration is more vulnerable to damage. Another solution was proposed in [18] by employing a hybrid dual port tag antenna, which consists of a dipole embedded with a patch antenna. This design has large size with 3.2 mm substrate thickness.…”

Section: Introductionmentioning

confidence: 99%

Tunable Platform Tolerant Antenna Design for RFID and IoT Applications Using Characteristic Mode Analysis

Sharif

Ouyang

Yang

et al. 2018

Wireless Communications and Mobile Computing

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Radio frequency identification (RFID) is a key technology to realize IoT (Internet of Things) dreams. RFID technology has been emerging in sensing, identification, tracking, and localization of goods. In order to tag a huge number of things, it is cost-effective to use one RFID antenna for tagging different things. Therefore, in this paper a platform tolerant RFID tag antenna with tunable capability is proposed. The proposed tag antenna is designed and optimized using characteristic mode analysis (CMA). Moreover, this tag antenna consists of a folded patch wrapped around FR 4 substrate and a feeding loop element printed on a paper substrate. The inductive feeding loop is stacked over folded patch and it provides impedance match with RFID chip. Because of separate radiating and feeding element, this tag antenna has a versatility of impedance matching with any RFID chip. Furthermore, this tag is able to cover American RFID band (902–928 MHz) and can be tuned to European RFID band (865–868 MHz) by adding tunable strips. In order to demonstrate platform tolerant operation, the read range of RFID tag is measured by mounting it on different materials. The maximum read range of RFID tag is 4.5 m in free space or on dielectrics and 6.5 m above 200 × 200 mm2 metal plate, respectively.

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A Hybrid UHF RFID Tag Robust to Host Material

Cited by 15 publications

References 23 publications

Designing Antennas for RFID Sensors in Monitoring Parameters of Photovoltaic Panels

Designing Antennas for RFID Sensors in Monitoring Parameters of Photovoltaic Panels

Low-Cost Inkjet-Printed UHF RFID Tag-Based System for Internet of Things Applications Using Characteristic Modes

Tunable Platform Tolerant Antenna Design for RFID and IoT Applications Using Characteristic Mode Analysis

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