Experimental Implementation Of a Low Cost Full Analog Self-Jammer Canceller for UHF RFID Devices

Rossi, Massimiliano; Liberati, Riccardo Maria; Frasca, Marco; Richardson, John

doi:10.20944/preprints202003.0219.v1

2020

DOI: 10.20944/preprints202003.0219.v1

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Experimental Implementation Of a Low Cost Full Analog Self-Jammer Canceller for UHF RFID Devices

Massimiliano Rossi¹,

Riccardo Maria Liberati²,

Marco Frasca³

et al.

Abstract: The paper investigates the performance of a full analog self-jammer canceller able to operate in UHF RFID devices. The scheme has been realized using only SMT devices avoiding custom designed components. The paper analyzes the theoretical performance and experimental validation using a modular microwave technology approach.

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Cited by 2 publications

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A Fully Integrated Passive Self-Jamming Cancellation Architecture with Fast Settling Time for UHF RFID Reader

Chen

Jiang

et al. 2022

Electronics

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This paper presents a fully integrated passive self-jamming cancellation (SJC) circuit in 0.18 µmComplementary Metal Oxide Semiconductor (CMOS) technology for ultra-high frequency (UHF) radio frequency identification (RFID) applications. Based on the active amplitude and phase control, a novel passive variable capacitor array and signal combiner are adopted instead of a traditional variable amplifier/attenuator and a phase shifter to reduce the circuit complexity and thus achieve higher linearity and low noise. We use an improved cancellation algorithm based on the local search method to quickly and accurately find the cancellation point that minimizes the self-jamming signal power. The simulation and measurement results are constant, and a suppression of 38 dB can be achieved in the working frequency of 860–960 MHz. The cancellation algorithm can be finished within 0.5 ms. These results indicate that the designed SJC circuit can be a promising candidate for UHF RFID applications.

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A Fully Integrated Passive Self-Jamming Cancellation Architecture with Fast Settling Time for UHF RFID Reader

Chen

Jiang

et al. 2022

Electronics

View full text Add to dashboard Cite

show abstract

Wearable Textile UHF-RFID Sensors: A Systematic Review

2020

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Textile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors based on different scenarios are becoming attractive with the forthcoming internet of things (IoT) era and aging society. Compared with conventional UHF-RFID sensors, textile UHF-RFID sensors offer the common textile features, light weight, washability and comfort. Due to the short time and low level of development, researches on the integration of textile UHF-RFID techniques and textile sensing techniques are not flourishing. This paper is motivated by this situation to identify the current research status. In this paper, we provide a systematic review of the fundamentals of textile UHF-RFID sensors techniques, materials, the brief history and the state-of-the-art of the scenario-based development through detailed summary and analysis on the achievements from the starting year of 2004 to the present time. Moreover, according to the analysis, we give a proposal of the future prospects in several aspects, including the new materials and manufacturing processes, machine learning technology, scenario-based applications and unavoidable reliability.

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Experimental Implementation Of a Low Cost Full Analog Self-Jammer Canceller for UHF RFID Devices

Cited by 2 publications

References 8 publications

A Fully Integrated Passive Self-Jamming Cancellation Architecture with Fast Settling Time for UHF RFID Reader

A Fully Integrated Passive Self-Jamming Cancellation Architecture with Fast Settling Time for UHF RFID Reader

Wearable Textile UHF-RFID Sensors: A Systematic Review

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