Journal ArticleDOI
Miniaturized Button-Like WBAN Antenna for Off-Body Communication
Padmathilagam Sambandam,Malathi Kanagasabai,Rajesh Natarajan,M. Gulam Nabi Alsath,Sandeep Kumar Palaniswamy +4 more
TLDR
The directional radiation pattern obtained from the developed antenna ensures the low backward radiation to the body tissue, thereby, making it more suitable for WBAN applications.Abstract:
A compact, low-profile button antenna for off-body communication is reported. The proposed antenna is composed of coupled circular strips, Y-shaped and L-shaped slots. This configuration covers the application bands such as 0.867 GHz (industrial, scientific, and medical bands), 2.38 GHz (medical body area network), and 5.8 GHz (wireless local area network/industrial, scientific, and medical bands). The percentage bandwidth obtained at the said operating bands is 4.37, 2.10, and 2.56, respectively. The directional radiation pattern obtained from the developed antenna ensures the low backward radiation to the body tissue, thereby, making it more suitable for WBAN applications. The simulated gain and efficiency obtained at the operating bands are 2.5/3.52/4.8 dBi and 78%/85%/89%, respectively. To validate the simulation results, the antenna is fabricated and some experimental results on the body tissue are performed. The SAR value obtained follows the Federal Communication Commission (FCC) limit.read more
Citations
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Journal ArticleDOI
Dual-Band Dual-Mode Textile Antenna/Rectenna for Simultaneous Wireless Information and Power Transfer (SWIPT)
TL;DR: This antenna is the first dual-band, dual-mode antenna demonstrated on textiles forSWIPT applications and the first matching network-free SWIPT rectenna, demonstrating that SWIPt does not detrimentally affect the energy harvesting or communications performance.
Journal ArticleDOI
Laser-Induced Graphene Printed Wearable Flexible Antenna-Based Strain Sensor for Wireless Human Motion Monitoring
TL;DR: In this article, a direct LIG printed microstrip patch antenna operating at the 5.8 GHz unlicensed band is presented based on simulations, the proposed design exhibited the desired unidirectional radiation characteristics with a measured gain of 1.82 dBi at the resonant frequency.
Journal ArticleDOI
A Triple-Band Dual-Open-Ring High-Gain High-Efficiency Antenna for Wearable Applications
TL;DR: The compatibility of the proposed antenna for off-body communication is verified by measuring the antenna performance in free-space and on phantom/human bodies, and the simulated and measured results show very good agreement.
Journal ArticleDOI
Design and analysis of a compact circularly polarized DRA for off-body communications
TL;DR: In this article, a single fed circularly polarized dielectric resonator antenna (CPDRA) was proposed for off-body communication in wireless body area network (WBAN) applications, which consists of a modified rectangular DRA made of Al2O3 with a permittivity of er = 9.8 and fed by a 50-Ω coaxial probe.
Journal ArticleDOI
Wearable antenna pressure sensor with electromagnetic bandgap for elderly fall monitoring
TL;DR: In this paper, a wearable antenna pressure sensor with electromagnetic bandgap (EBG) is proposed, which can be used to monitor the walking and fall states of the elderly, when the knee or elbow wearing the antenna sensor will touch the ground and put a lot of pressure on the antenna sensors, resulting in the resonance frequency shifts.
References
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Journal ArticleDOI
Compact Half Diamond Dual-Band Textile HMSIW On-Body Antenna
Sam Agneessens,Hendrik Rogier +1 more
TL;DR: In this paper, a dual-band textile antenna, designed for optimal on-body performance in the 2.4 and 5.8 GHz Industrial, Scientific and Medical bands, is proposed.
Journal ArticleDOI
Design of a Broadband All-Textile Slotted PIFA
TL;DR: In this paper, a broadband textile based PIFA antenna structure designed for wireless body area network (WBAN) applications is presented, and the new topology can be directly integrated into clothing.
Journal ArticleDOI
A Compact, Low-Profile Fractal Antenna for Wearable On-Body WBAN Applications
TL;DR: In this article, a low-profile wearable antenna is presented for on-body wireless body area network (WBAN) applications, which combines the Koch fractal geometry, meandering slits, and defected ground structure to achieve a novel hybrid structure with compact footprint, good structural conformability, and enhanced impedance bandwidth.
Journal ArticleDOI
Wearable Textile Half-Mode Substrate-Integrated Cavity Antenna Using Embroidered Vias
TL;DR: In this article, a wearable textile antenna based on the fundamental mode of a half-mode substrate-integrated semicircular cavity is presented, which operates around 5 GHz and is manufactured with two layers of silver fabric conductors, on the top and bottom of a low-permittivity low-loss foam with minimal water absorption.
Journal ArticleDOI
Wearable, Small, and Robust: The Circular Quarter-Mode Textile Antenna
TL;DR: A miniaturized wearable antenna, entirely implemented in textile materials, is proposed that relies on a quarter-mode substrate integrated waveguide topology, making it excellently suited for off-body communication in wearable electronics/smart textile applications.
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