Design and Analysis of Planar Resonators for Wireless Communication

Vinod, Athira; Aiswarya, S; Meenu, L; Menon, Sreedevi K.

doi:10.1109/icces48766.2020.9137990

Cited by 5 publications

(2 citation statements)

References 16 publications

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“…Frequency domain chipless tags are usually implemented by using multiple resonators tuned at different frequencies. The resonators are distributed to cover a given frequency band [38]. In this configuration, the interrogating signal must have a bandwidth that covers all the resonators' frequencies.…”

Section: Introductionmentioning

confidence: 99%

Development of Enhanced Range, High Q, Passive, Chipless RFID Tags for Continuous Monitoring and Sensing Applications

2021

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A high Q planar chipless RFID tag with high sensitivity is proposed for communication applications. In particular, the tag structure is composed of a complementary spiral structure (CSS) that is able to provide high sensitivity and compactness. A semi analytical formula for the design of a single bit tag is derived, and the behaviour of the CSS is analysed for different dielectric substrates. Different tags, composed of up to a set of eight resonators, have been numerically and experimentally assessed. In particular, a system prototype composed of a reader and a set of tags are fabricated and experimentally assessed as a proof of concept. The system provided an operative range of tens of centimetres (a maximum operative range of 65 cm). The obtained results are quite promising and the agreement between simulated and measured results are found to be good.

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Section: Introductionmentioning

confidence: 99%

Development of Enhanced Range, High Q, Passive, Chipless RFID Tags for Continuous Monitoring and Sensing Applications

2021

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“…The paper focuses on microwave sensors based on the frequency domain because they are low cost, easy to fabricate and more flexible. In particular, more focus is given to microstrip technology to develop compact planar resonators [15] with reliable performance for sensor applications. Different microwave devices such as antennas, filters, couplers and amplifiers can be designed using planar transmission lines [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Development of a Microwave Sensor for Solid and Liquid Substances Based on Closed Loop Resonator

Aiswarya

Menon

Donelli

et al. 2021

Sensors

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In this work, a compact dielectric sensor for the detection of adulteration in solid and liquid samples using planar resonators is presented. Six types of filter prototypes operating at 2.4 GHz are presented, optimized, numerically assessed, fabricated and experimentally validated. The obtained experimental results provided an error less than 6% with respect to the simulated results. Moreover, a size reduction of about 69% was achieved for the band stop filter and a 75% reduction for band pass filter compared to standard sensors realized using open/short circuited stub microstrip lines. From the designed filters, the miniaturised filter with Q of 95 at 2.4 GHz and size of 35 mm × 35 mm is formulated as a sensor and is validated theoretically and experimentally. The designed sensor shows better sensitivity, and it depends upon the dielectric property of the sample to be tested. Simulation and experimental validation of the designed sensor is carried out by loading different samples onto the sensor. The adulteration detection of various food samples using the designed sensor is experimentally validated and shows excellent sensing on adding adulterants to the original sample. The sensitivity of the sensor is analyzed by studying the variations in resonant frequency, scattering parameters, phase and Q factor with variation in the dielectric property of the sample loaded onto the sensor.

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Design of Open and Short-Circuit Stubs for Filter Applications

Aiswarya

Menon

2021

Intelligent Data Communication Technologies and Internet of Things

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Design and Analysis of Planar Resonators for Wireless Communication

Cited by 5 publications

References 16 publications

Development of Enhanced Range, High Q, Passive, Chipless RFID Tags for Continuous Monitoring and Sensing Applications

Development of Enhanced Range, High Q, Passive, Chipless RFID Tags for Continuous Monitoring and Sensing Applications

Development of a Microwave Sensor for Solid and Liquid Substances Based on Closed Loop Resonator

Design of Open and Short-Circuit Stubs for Filter Applications

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