This paper presents a novel, dual-band, four-port multi-input-multi-output (MIMO) antenna for 28/38 GHz millimeter wave 5G wearable applications. In the proposed work, we have used novel design approach to get dual-band behavior from MIMO with small footprint of 18 × 8.5 0.25 mm

This paper reports a miniature low-profile denim textile 2-port MIMO (multiple-input-multiple-output) antenna for dual-bands: 5G sub-6 3.5 GHz and Wi-Fi 5.2 wearable applications. has impedance bandwidths peak gain of 310 MHz 8.3 dBi 950 13.0 at GHz, respectively. compact area 0.078 λ02, with both elements the being modified elliptical patch, L-shaped stubs matching, circular decoupling ring to achieve > 25 dB port isolation. The designed is very tiny integrated into shirt's pocket. It...

The leadless cardiac pacemaker is a pioneering device for heart patients. Its rising success requires the design of compact implantable antennas. In this paper, we describe circularly polarized Hilbert curve inspired loop antenna. proposed antenna works in WMTS (Wireless Medical Telemetry Services) 1.4 GHz and ISM (Industrial, Scientific, Medical) 2.45 bands. High dielectric constant material Rogers RT/Duroid 6010 LM ([Formula: see text]=10) fractal geometry helps to with small footprint 9.1...

This paper proposes a novel multi-band textile monopole antenna for patient tracking applications. The designed has compact footprints (0.13

Abstract Cardiovascular diseases (CVDs) are one of the leading causes death globally. The Internet things (IoT) enabled with industrial, scientific, and medical (ISM) bands (2.45 5.8 GHz) facilitates pacemakers to remotely share heart health data professionals. For first time, communication between a compact dual-band two-port multiple-input-multiple-output (MIMO) antenna (integrated inside leadless pacemaker) an outside-body MIMO in ISM 2.45 GHz frequency is demonstrated this work. proposed...

ABSTRACT This work presents a single‐layer wideband textile multiple‐input–multiple‐output (MIMO) antenna for wearable devices. The design is made up of two rectangular‐shaped monopole antennas that are mirror imaged and connected to achieve an equal voltage level in the ground surface. elements excited by 50‐Ω microstrip feed lines. By using triangular stub decoupling element on plane, greater than 22 dB isolation attained among elements. suggested two‐element MIMO has bandwidth 2.3–8.0 GHz...

The ground-breaking entry of leadless cardiac pacemakers in the pacemaker's world has resulted design ultracompact implantable antennas. In this article, we developed a circularly polarized fractal-shaped open-loop antenna for transcatheter pacing (TCP) system operating at industrial, scientific, and medical bands (915 MHz, 2.4 GHz, 5.8 GHz). proposed was constructed on high permittivity dielectric material Rogers RT/Duroid 6010 LM ( <inline-formula...

In this paper, we present the design of a millimeter-wave 1 × 4 linear MIMO array antenna that operates across multiple resonance frequency bands: 26.28-27.36 GHz, 27.94-28.62 32.33-33.08 and 37.59-39.47 for mm-wave wearable biomedical telemetry application. The is printed on flexible substrate with dimensions 11.0 44.0 mm

Abstract In this paper, a compact low-profile dual-band wearable textile antenna is proposed for on-body and off-body communications. The presented works efficiently in the 5G n79 frequency band (4.4 − 5 GHz) ISM (5.725 5.875 GHz). designed has an ultra-wide impedance bandwidth of 2.01 GHz peak realized gains 10.5 dBi 12 at 4.5 5.8 GHz, respectively. small footprint (π × 0.3 λ 0 2 ), which inspired by circular fractal geometry. performance evaluated various body parts, including arm, wrist,...

Wireless power transfer (WPT) systems are becoming popular for powering advanced multi-functional biomedical implantable devices. This paper presents a WPT system that includes an antenna array (located outside the body) and rectenna (antenna + rectifier), which is integrated inside implanted leadless pacemaker's capsule. The transmits in ISM 2.45 GHz frequency band has size of 90 mm × 130 0.762 gain 8.1 dBi elevation plane 7.2 azimuth plane. antenna, placed housing, printed on Rogers...

This paper proposes a dual-band two-port multiple-input–multiple-output (MIMO) antenna system for intra-heart communication future dual-chamber leadless cardiac transcatheter pacing (TCP) systems on Internet of things (IoT) environment. The MIMO is designed and miniaturized using fractal approach with Minkowski island geometry. fractal-based design has footprint 3 mm × 6.6 0.254 mm, an inter-element isolation 24 dB 18 in the 2.45 GHz 5.8 (ISM) bands, respectively. first time proposed...

In this communication, a modified loop-based ingestible capsule antenna is presented with small footprint of <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\pi \times (3.5)^{2} 17$ </tex-math></inline-formula> mm3 for wireless ultrawideband (UWB) endoscopy system. homogeneous muscle phantom, the proposed exhibits frequency band ranging from 0.560 to 10.6 GHz. The in vivo measurement carried out by...

This study enhances the domain of optimum energy storage system selection by offering a complete decision support framework that incorporates technical, economic, and environmental factors. The technical investigation examines power density measurements, which demonstrate exceptional volumetric capacities lithium-ion batteries at 250 Wh/L. highlights their appropriateness for applications prioritize compactness. Lead-acid are cost-effective option have lower 80 makes them particularly...