In this paper, a 38 GHz 4-port multiple-input multiple-output (MIMO) antenna with considerable isolation and gain enhancement for 5G applications is introduced. The suggested element monopole composed of circular patch rectangular slot etched from it partial ground plane used to extend the desired frequency operate 36.6 39.5 center GHz. high achieved by arranging four elements orthogonally adding stubs reduce mutual coupling between at bands. improvement also introduced placing selective...

This work evaluates the performance of a triple-frequency operating circularly polarized wearable jute textile antenna in human body sweat environment. The propounded is designed to operate on body. So, contact with skin allows absorb eccrine gland-rich mineral secretion (sweat) regular use. absorbed fluid alters fabric substrate's dielectric properties, ultimately leading changes performance. For that purpose, antenna's examined scanning electron microscope (SEM) and optical observe its...

This article presents a quad-element MIMO antenna designed for multiband operation. The prototype of the design is fabricated and utilizes vector network analyzer (VNA-AV3672D) to measure S-parameters. proposed capable operating across three broad frequency bands: 3–15.5 GHz, encompassing C band (4–8 GHz), X (8–12.4 significant portion Ku (12.4–15.5 GHz). Additionally, it covers two mm-wave bands, specifically 26.4–34.3 GHz 36.1–48.9 which corresponds 86% Ka-band (27–40 To enhance its...

This paper presents a large frequency ratio antenna that covers the widely separated 5G bands. The proposed consists of 2-element rectangular DRA (rDRA)-based MIMO for sub-6 GHz band, with an embedded 1×4 cylindrical (cDRA) array covering mmW band. rDRAs are fabricated through cost and time-efficient 3D printing process, whereas small dimensions cDRAs precisely machined CNC. has measured impedance bandwidth 31.63% at 4.9 21.5% 28 GHz. peak gain 6.6 dBi 12 Moreover, Envelope Correlation...

As societal needs evolve, especially with the advent of demanding applications like remote surgeries in Smart Health, current communication systems struggle to meet required latency and reliability for such use cases. Similarly, enhancing existing applications, as increasing transmission rates mobile networks provide Quality Service (QoS) improved user experiences, presents complex challenges. The objective delivering higher data is achieved by 5G (fifth generation) wireless are already been...

A staircase-shaped quasi-fractal antenna is presented to meet the requirements of compact electronics operating in UWB or E-UWB spectrum. conventional broadband monopole converted into utilizing three iterations fractal patches. The resultant offers wide impedance bandwidth ranges 2.3-17.8 GHz, having a notch band at 6.1-7.2 GHz. Afterwards, two-port MIMO created by placing second element orthogonally with an edge-to-edge distance 8.5 mm, that λ/15 where λ corresponds free space wavelength...

A dielectric resonator antenna (DRA) is proposed for dual-band resonance the mid-band (sub-6 GHz) and high-band (mm-wave) 5G applications. The composite DRA consists of an annular radiator concentrically integrated with a high-permittivity cylindrical to realize at two distinct frequencies large frequency ratio. impact composition materials on radiation in both bands analyzed taking into account effective permittivity structure. excited single Co-planar Waveguide (CPW). offers 4.44 GHz 27.92...

This paper presents an application of new developed meta-heuristic Geometric Mean Optimization (GMO) algorithm, which mimics geometric mean operator unique features in mathematics with combination power loss sensitivity index (PLSI) for the problem optimal network reconfiguration (NR), distributed generation (DG) unit allocation factor (OPF) and unity (UPF), simultaneous NR DG units considering UPF OPF, taking into account operational constraints three loading levels (0.5 p.u (light load...

This article describes a fractal-based MIMO antenna for 5G mm-wave mobile applications with micro-strip feeding. The proposed structure is spherical configuration that incorporates slots of different iterations on the patch, as well rectangular ground plane. These additions are meant to reduce patch isolation. two-element has closely spaced elements resonate at multiple frequencies, 9.5 GHz, 11.1 13.4 15.8 21.1 and 26.6 in frequency range 8 28 GHz. antenna’s broadest operational spans from...

Abstract Flexible metasurface (MS) based absorbers have gained significant importance in recent years due to their possible use non-planar radar stealth applications, however, narrow bandwidth and insensitivity incidence angles limit potential use. In this work, we present an ultrawideband angular insensitive MS absorber on indium tin oxide (ITO), polyethylene-terephthalate, polyvinyl chloride, that is both transparent flexible. Broad-spectrum absorption can be maximized by using ITO with...

In this work, a spectrum-sensing monopole antenna was used to operate in different frequency bands for cognitive radio applications. The proposed consists of folded with partial ground plane, and it can be various wireless technologies operated at frequencies from 1.5 3.5 GHz. suggested printed on RO4003 substrate 3.38 permittivity an overall size 60 × 0.813 mm3. To achieve reconfigurability the antenna, PIN diodes (HPND-4005) were inserted lengths along obtain desired performance....

A compact high bandwidth ratio (BDR) super wide band flower slotted micro strip patch antenna (SWB-FSMPA) for (SWB) applications is presented. The SWB-FSMPA constructed on a FR-4 substrate having size of 16 × 22 mm

The Proposed algorithm, designed to simulate an Alzheimer's disease (AD) brain model across different stages, presents invaluable opportunity for further research and in-depth study of the effects AD. Currently, there is a notable absence comprehensive simulated AD that allows exploration all biomarkers within simulation tool. This represents crucial advancement in field, enabling researchers thoroughly investigate understand diverse associated with without resorting highly expensive...

This paper presents novel multi-channel RF lateral Schottky-barrier diodes (SBDs) based on AlGaN/GaN low resistivity (LR) (σ = 0.02 Q.cm) silicon substrates. The developed technology offers a reduction of 37 % in onset voltage, V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">ON</sub> (from 1.34 to 0.84 V), and 36 ON-resistance, R (1.52 0.97 Q.mm) as result lowering the Schottky barrier height, Φn, when compared conventional SBDs. No compromise...

As an emerging consumer electronic product, the use of unmanned aerial vehicle(UAV) for a variety tasks has received growing attention and favor in enterprise or individual electronics market recent years. The deep neural network based object detectors are convenient to embed into UAV however, drone-captured images could bring potential challenges occlusion, large scale difference complex background these methods because they not desinged detection small tiny objects within images. To...

This article describes the development of a compact microstrip bandpass filter (BPF) for multiple wireless communication utilizations. The proposed consists metamaterial unit cells that are symmetrical in shape. design process involves placement four split-ring resonators (SRRs) on top plane BPF. It exhibits improved characteristics through implementation these SRRs. was modeled and fabricated its performance evaluated using Vector Network Analyzer. designed shows 5 GHz bandwidth covering...

The recent developments in the replacement of bulk MOSFETs with high-performance semiconductor devices create new opportunities attaining best device configuration drive current, leakage subthreshold swing, Drain-Induced Barrier Lowering (DIBL), and other short-channel effect (SCE) parameters. Now, multigate FETs (FinFET tri-gate (TG)) are advanced methodologies to continue scaling devices. Also, strain technology is used gain a higher current drive, which raises performance, high-k...

A pattern reconfigurable antenna, composed of eight elements, is proposed for energy harvesting applications. Pattern antennas are a promising technique from different wireless sources. The radiation the antenna can be steered electronically using an RF switch matrix, covering angle range 0 to 360 degrees with step size 45 degrees. primarily consists eight-dipole configuration that shares same excitation. Each dipole excited balun comprising quarter-wavelength grounded stub and open-circuit...

In this paper, a high-efficiency GaN Doherty power amplifier (DPA) for 5G applications in the N78 sub-6 GHz band is introduced. The theoretical analysis of matching networks peak and carrier transistors presented, with focus on impact unequal splitting both recommendation post-harmonic suppression network. proposed design features an Wilkinson divider at input network output, which are crucial achieving high efficiency. comprises two 10 W HEMTs, measured across 3.3 to 3.8 (the band), results...

A novel flexible printed monopole antenna with a windmill-shaped fractal design, which is fed by co-planar waveguide (CPW) presented in this manuscript for ultra-wideband (UWB) applications.By integrating modified windmill-shape into the conventional irregular hexagonalpatch, achieves significantly wider impedance bandwidth extending up to 156.6% across frequency band of 1.37-11.25GHz.Additionally, increasing number fractals leads emergence further resonances.The overall dimensions designed...