Journal ArticleDOI
Circularly Polarized Implantable Antenna for 915 MHz ISM-Band Far-Field Wireless Power Transmission
TLDR
In this paper, a miniaturized circularly polarized (CP) implantable antenna is designed at 915 ISM band for far-field wireless power transmission, which has the smallest size and maintains good radiation performance, compared with previous CP implantable antennas.Abstract:
A wireless power link with circular polarization is studied in this letter for far-field wireless power transmission. First, a miniaturized circularly polarized (CP) implantable antenna is designed at 915 ISM band. The proposed antenna features a good miniaturization with the dimensions of 11 × 11 × 1.27 mm3 by employing the stub loading and capacitive coupling among the stubs. It has the smallest size and maintains good radiation performance, compared with previous CP implantable antennas. The simulated impedance bandwidth covers from 889 to 924 MHz for | S 11| less than −10 dB, and the axial-ratio (AR) bandwidth (AR < 3 dB) is from 901 to 912 MHz. The results show that the antenna is suitable for far-field wireless power transmission. The proposed wireless power link achieves higher converted dc power compared to previous similar letter.read more
Citations
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Journal ArticleDOI
Self-Powered Implantable Medical Devices: Photovoltaic Energy Harvesting Review.
Jinwei Zhao,Rami Ghannam,Kaung Oo Htet,Yuchi Liu,Man-Kay Law,Vellaisamy A. L. Roy,Bruno Michel,Muhammad Imran,Hadi Heidari +8 more
TL;DR: The latest implantable energy harvesting technologies are surveyed and recommendations are provided regarding the feasibility of PV cells as an in vivo energy harvester, with an emphasis on skin penetration, fabrication, encapsulation, durability, biocompatibility, and power management.
Journal ArticleDOI
A Wideband Circularly Polarized Implantable Antenna for 915 MHz ISM-Band Biotelemetry Devices
TL;DR: In this paper, a wideband miniaturized circularly polarized implantable antenna operating at 915 MHz Industrial, Scientific, and Medical (ISM) band is presented and experimentally verified.
Journal ArticleDOI
A Miniaturized Novel-Shape Dual-Band Antenna for Implantable Applications
Farooq Faisal,Hyoungsuk Yoo +1 more
TL;DR: In this article, a miniaturized novel-shape dual-band implantable antenna operating in the industrial, scientific, and medical bands (902-928 MHz and 2.4-2.4835 GHz) is developed for battery-powered implants.
Journal ArticleDOI
Implantable Antennas for Bio-Medical Applications
TL;DR: A critical review on implantable antennas for biomedical applications is presented and indicates that the selection of the antenna is a challenging task in implantable sensor design as it dictates performance of the whole implant.
Journal ArticleDOI
A Miniaturized Dual-Band Implantable Antenna System for Medical Applications
TL;DR: In this article, the authors proposed an ultraminiaturized and simple-structured implantable antenna that exhibits dual-band characteristics in the industrial, scientific, and medical bands (915 MHz and 2.45 GHz).
References
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Journal ArticleDOI
Implanted antennas inside a human body: simulations, designs, and characterizations
Jaehoon Kim,Yahya Rahmat-Samii +1 more
TL;DR: In this article, the authors applied the spherical dyadic Green's function (DGF) expansions and finite-difference time-domain (FDTD) code to analyze the electromagnetic characteristics of dipole antennas and low-profile patch antennas implanted in the human head and body.
Journal ArticleDOI
Design of a Dual-Band Implantable Antenna and Development of Skin Mimicking Gels for Continuous Glucose Monitoring
TL;DR: In this paper, a small-size dual medical implant communications service (MICS) (402-405 MHz) and industrial, scientific, and medical (ISM) (2.4-2.48 GHz) band implantable antenna for continuous glucose-monitoring applications is presented.
Book Chapter
Antennas and Propagation for Body-Centric Wireless Communications
TL;DR: In this article, the authors focus on creating a moving human model with postures similar to those used in measurements to be used for validation in EM software, which is not straightforward to recreate the exact positions of test subjects for validation purposes.
Journal ArticleDOI
A Review of Implantable Patch Antennas for Biomedical Telemetry: Challenges and Solutions [Wireless Corner]
TL;DR: The objective of this paper is to provide an overview of the challenges faced by the design of implantable patch antennas, and discuss the ways in which they have been dealt with so far in the literature.
Journal ArticleDOI
A Universal UHF RFID Reader Antenna
TL;DR: In this article, a broadband circularly polarized patch antenna is proposed for universal ultra-high-frequency (UHF) RF identification (RFID) applications, which is composed of two corner-truncated patches and a suspended microstrip line with open-circuited termination.