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Flexible meta-patch rectenna array for energizing low-power wearable medical sensors

This article presents a low-cost 2× 2 metasurface-based rectenna array operating at the 2.45 GHz industrial, scientific, and medical (ISM) band, designed to power low-power wearable medical sensors (WMS). The proposed antenna is a novel textile-based metasurface interlayer patch (meta-patch) antenna...

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Main Authors: Ahmad, Mohd Yazed, Alkhalaf, Hussein Yahya, Ramiah, Harikrishnan, Hossain, A K M Zakir, Azam, S M Kayser, Thiha, Aung
Format: Article
Language:English
Published: Institute of Electrical and Electronics Engineers Inc. 2024
Online Access:http://eprints.utem.edu.my/id/eprint/28188/2/0261411092024920271124.pdf
http://eprints.utem.edu.my/id/eprint/28188/
https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10659902
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spelling my.utem.eprints.281882025-01-06T10:53:49Z http://eprints.utem.edu.my/id/eprint/28188/ Flexible meta-patch rectenna array for energizing low-power wearable medical sensors Ahmad, Mohd Yazed Alkhalaf, Hussein Yahya Ramiah, Harikrishnan Hossain, A K M Zakir Azam, S M Kayser Thiha, Aung This article presents a low-cost 2× 2 metasurface-based rectenna array operating at the 2.45 GHz industrial, scientific, and medical (ISM) band, designed to power low-power wearable medical sensors (WMS). The proposed antenna is a novel textile-based metasurface interlayer patch (meta-patch) antenna fabricated on a felt fabric substrate, which replaces the conventional ground plane with a grounded metasurface consisting of a 3× 3 unit cell array. A single excitation port is used for both the patch antenna and the metasurface to improve gain, efficiency, and bandwidth. The meta-patch antenna achieved a high gain of 7 dB, an efficiency of 77%, and an enhanced bandwidth of 120 MHz. The rectifier employs a seven-stage Cockcroft-Walton Voltage Multiplier (CWVM) topology, fabricated on a rigid substrate. To evaluate the performance of the meta-patch rectenna array and the effect of adding more elements, the proposed meta-patch rectenna was tested in single-element, 2× 1 array, and 2× 2 array configurations under continuous RF power. The single-element, 2× 1 rectenna array, and 2× 2 rectenna array achieved power conversion efficiencies (PCE) of 52%, 53%, and 56%, with DC output powers of 414μ W, 429μ W, and 450μ W, respectively, at an input power of -1 dBm. The results demonstrate the potential of the proposed rectenna arrays for efficiently energizing low-power WMS. Institute of Electrical and Electronics Engineers Inc. 2024-08 Article PeerReviewed text en cc_by_nc_nd http://eprints.utem.edu.my/id/eprint/28188/2/0261411092024920271124.pdf Ahmad, Mohd Yazed and Alkhalaf, Hussein Yahya and Ramiah, Harikrishnan and Hossain, A K M Zakir and Azam, S M Kayser and Thiha, Aung (2024) Flexible meta-patch rectenna array for energizing low-power wearable medical sensors. IEEE Access, 12. pp. 121570-121585. ISSN 2169-3536 https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10659902 10.1109/ACCESS.2024.3452316
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description This article presents a low-cost 2× 2 metasurface-based rectenna array operating at the 2.45 GHz industrial, scientific, and medical (ISM) band, designed to power low-power wearable medical sensors (WMS). The proposed antenna is a novel textile-based metasurface interlayer patch (meta-patch) antenna fabricated on a felt fabric substrate, which replaces the conventional ground plane with a grounded metasurface consisting of a 3× 3 unit cell array. A single excitation port is used for both the patch antenna and the metasurface to improve gain, efficiency, and bandwidth. The meta-patch antenna achieved a high gain of 7 dB, an efficiency of 77%, and an enhanced bandwidth of 120 MHz. The rectifier employs a seven-stage Cockcroft-Walton Voltage Multiplier (CWVM) topology, fabricated on a rigid substrate. To evaluate the performance of the meta-patch rectenna array and the effect of adding more elements, the proposed meta-patch rectenna was tested in single-element, 2× 1 array, and 2× 2 array configurations under continuous RF power. The single-element, 2× 1 rectenna array, and 2× 2 rectenna array achieved power conversion efficiencies (PCE) of 52%, 53%, and 56%, with DC output powers of 414μ W, 429μ W, and 450μ W, respectively, at an input power of -1 dBm. The results demonstrate the potential of the proposed rectenna arrays for efficiently energizing low-power WMS.
format Article
author Ahmad, Mohd Yazed
Alkhalaf, Hussein Yahya
Ramiah, Harikrishnan
Hossain, A K M Zakir
Azam, S M Kayser
Thiha, Aung
spellingShingle Ahmad, Mohd Yazed
Alkhalaf, Hussein Yahya
Ramiah, Harikrishnan
Hossain, A K M Zakir
Azam, S M Kayser
Thiha, Aung
Flexible meta-patch rectenna array for energizing low-power wearable medical sensors
author_facet Ahmad, Mohd Yazed
Alkhalaf, Hussein Yahya
Ramiah, Harikrishnan
Hossain, A K M Zakir
Azam, S M Kayser
Thiha, Aung
author_sort Ahmad, Mohd Yazed
title Flexible meta-patch rectenna array for energizing low-power wearable medical sensors
title_short Flexible meta-patch rectenna array for energizing low-power wearable medical sensors
title_full Flexible meta-patch rectenna array for energizing low-power wearable medical sensors
title_fullStr Flexible meta-patch rectenna array for energizing low-power wearable medical sensors
title_full_unstemmed Flexible meta-patch rectenna array for energizing low-power wearable medical sensors
title_sort flexible meta-patch rectenna array for energizing low-power wearable medical sensors
publisher Institute of Electrical and Electronics Engineers Inc.
publishDate 2024
url http://eprints.utem.edu.my/id/eprint/28188/2/0261411092024920271124.pdf
http://eprints.utem.edu.my/id/eprint/28188/
https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10659902
_version_ 1821007592063762432
score 13.239859

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