In this paper, we demonstrate a beam-steering antenna using fluidically programmable metasurface (FPMS). The proposed FPMS-based consists of source and bilayered as superstrate. is composed 4 × square-ring element array on the top side thin dielectric substrate 3-D-printed fluidic channels for fluid movement bottom layer. switchable phase was obtained by realizing air holes equal dimensions inside polylactic acid (PLA) 3-D-printing technology. simplicity approach acquired from properties...

In this work, an integrated antenna system with Defected Ground Structure (DGS) is presented for Fourth Generation (4G) and millimeter (mm)-wave Fifth (5G) wireless applications handheld devices. The proposed design overall dimensions of 110 mm × 75 modeled on 0.508 thick Rogers RT/Duroid 5880 substrate. Radiating structure consists arrays excited by the T-shape 1 2 power divider/combiner. Dual bands 4G centered at 3.8 GHz 5.5 are attained, whereas 10-dB impedance bandwidth 24.4 - 29.3...

This research article proposes a compact frequency and pattern reconfigurable flexible antenna for heterogeneous applications. A triangular monopole with semicircular stub is made tunable by connecting disconnecting two inverted L-shaped stubs utilizing diodes. When either of the connected to radiator, relative phase difference happens at both ends radiator that changes direction electromagnetic radiations, consequently reconfigurability can be obtain. Besides that, because reactive load...

In this paper, a compact, wideband, printed antenna is proposed for millimeter-wave fifth-generation communication systems. The design patch with defected ground structure, in which plane defects are utilized to reduce resonance and achieve wideband operation. optimized dimensions 2.5 mm × 4.5 substrate thickness of 0.203 mm. A prototype was fabricated measured verify the performance, it established that simulated results were good agreement. bandwidth approximately 6.4 GHz (26.5–32.9 GHz)...

This letter reports a polarization-switchable metasurfaced antenna, which comprises source antenna and metasurface as superstrate. The consists of 4 × microfluidic element array, each is designed with rectangular loop diagonals formed by injection. left-hand circular polarization (LHCP), right-hand (RHCP), linear (LP) are achieved injection through different channel inlets on the metasurface. performance proposed in terms reconfigurability, axial ratio bandwidth (ARBW), impedance bandwidth,...

Single-resonance-based radio frequency (RF) resonators cannot detect multiple cracks simultaneously nor localize the position of a crack. To address these drawbacks, we propose complementary split-ring resonator (CSRR)-loaded array. In this array, there are four channels and each channel consists three CSRRs, forming <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$4\times 3$ </tex-math></inline-formula>...

Digital programmable coding metasurfaces (DPCMs) have recently attracted enormous attention and been broadly applied, owing to their ability manipulate electromagnetic (EM) wave behaviours multi-functionality. Recent DPCM works are divided into reflection transmission types (R-DPCM T-DPCM, respectively); however, there only a few reported T-DPCM in the millimetre-wave spectrum, difficulty of realising large-phase controllable range while maintaining low losses with electronic control...

In this paper, we demonstrate a V-band planar micromachined helical antenna (PHA) with end-fire radiation on the glass substrate. The rectangular configuration is realized using novel through-glass silicon via (TGSV) technology. proposed designed and fabricated borosilicate substrate of thickness 350 μm, which has very low-dielectric loss compared to at millimeter-wave bands. PHA fed by microstrip line, 3.25 turns truncated ground plane for achieving wideband seven tungsten-coated vias six...

This article proposes a low-profile real-time electronic beam-scanning metasurface antenna (EBSMA) with hybrid (active and passive) meta-cells in the Ka-band. The EBSMA includes radiating source, single-layered dedicated microcontroller unit, power source. proposed comprises 4 active subarrays 11 passive meta-cells, where each subarray 2 × 3 meta-cells. was using source patch antenna. realized by integrating one PIN-diode onto slotted square-ring element subarray. Two-dimensional beam...

The purpose of this study was to produce a kirigami inspired split ring resonator (SRR) strain sensor. Since the SRR resonance frequency depends strongly on its gap, one cut designed align with allowing be varied by applying tensile stress. relationship between and induced helps explain sensing mechanism. Two sheets paper were used as dielectric for compatibility technique, conductive pattern inkjet printed top using silver nanoparticle ink, whereas ground plane bottom stretchable ink. two...

Super Wideband (SWB) printed antenna with enhanced gain covering the impedance bandwidth ranging from 3-20GHz is presented. Gain enhancement of achieved using appropriately designed frequency selective structure (FSS) acting as a band stop filter i.e. reflector, while keeping unchanged. The FSS used effectively reflects in-phase radiations very low transmission coefficient over entire which key requirement for providing wide range. Hence significant improvement in has been profile and...

This article proposes a microstrip leaky-wave antenna with dual symmetrical side beams for complete V -band radiation coverage. The frequency sweeping dual-beam scanning is obtained from 50-65 GHz due to wideband excitation of the second higher order mode. Appropriate metallic via hole placement realized back-to-back half-mode pair, which can also generate two in E-plane enhanced gain within 40-55 GHz. Mode switching was achieved electronically by incorporating p-i-n diodes proper biasing...

The development of multifunctional and reconfigurable metasurfaces capable manipulating electromagnetic waves has created new opportunities for various exciting applications. Extensive efforts have been applied to exploiting active with properties that can be controlled by externally controlling components. However, previous approaches poor switch isolation, power handling limitations due nonlinear effects, complex biasing networks. Therefore, dynamically tunable become a burgeoning field in...

ABSTRACT In this article, a novel super‐wideband planar microstrip‐fed monopole antenna is investigated and designed. The consists of well‐optimized hut‐shaped radiating patch having diamond‐shaped slot window at its center. To achieve nearly omnidirectional pattern, partial ground plane consisting an optimized slit exactly on the opposite feed line used. Measurement results show that impedance bandwidth for |S 11 | dB ≤ 10 enhanced largely to 184.5% with ratio more than 24.8:1 (0.9 − 22.35...

This paper presents a W-band planar type via-monopole based quasi Yagi-Uda antenna using metal coated through glass silicon via structures. The was designed and fabricated on 350 μm thick borosilicate substrate, which has very low dielectric loss compared with at millimeterwave frequencies. We used microstrip line to feed the antenna, configuration structured radiator; reflectors; director were tungsten structures embedded in reflowed substrate good high frequency characteristics. proposed...

This paper presents a fluidically beam-steering metasurfaced antenna. The proposed antenna consists of source and bi-layered metasurface which acts as partially reflecting surface (PRS) superstrate. top-layer composed 4×4 conductive squared ring element array on the top side thin dielectric substrate 3-D printed bottom-layer for fluid movement. Radiation beam has been steered by means water flow in different channels inside bottom layer metasurface. A 2-D ±15° theta axis with 10-dB impedance...

Unlike existing technologies, a new communication technique that fits well in nano- and micro-sized scenarios is molecular (MC). Inspired by nature, MC relies on the exchange of molecules for transfer information. This work describes multiple-input multiple-out (MIMO) platform based microfluidic device an optical detection system. We demonstrate uses fluorescent beads as messenger to transport encoded information channels via flow-induced diffusion. Programmable syringe pumps acting...

A Co-Planar Waveguide (CPW) Fed frequency reconfigurable antenna for compact portable devices and heterogeneous applications is presented in this paper. The offers a small electrical size of 0.17 <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">λ0</sub> × 0.12 0.013 , where λ xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> correspond to free space wavelength at lowest resonance. geometrical configuration the comprises simple structure consist...

Programmable metasurfaces are two-dimensional artificial subwavelength thin-layer structures with programmable electromagnetic properties that can operate over a wide frequency range.Controlling the tunable components of these enables parameters incident wave, such as phase and amplitude, to be modified in fashion.Several tuning procedures employed generate metasurfaces, ranging from global at metasurface level local unit cell level.In this paper, we give comparison our proposed unique...

The study presents a kirigami inspired split ring resonator (SRR) strain sensor. Since the SRR resonance frequency depends strongly on its gap, one cut was designed to align with allowing be varied by applying uniaxial stress. sensing mechanism is explained based upon relationship between and induced strain. A composite substrate comprised of two paper sheets bonded using epoxy used as dielectric. An coupled microstripline inkjet-printed top silver nanoparticle ink, ground plane bottom...

This paper presents a fluidically scanned 2-dimensional meta-fluidic antenna. The proposed antenna consists of source and bi-layered metasurface which acts as partially reflecting surface (PRS) superstrate. top-layer composed 4× 4 square-ring element array on the top side thin dielectric substrate 3-D printed fluidic channels inside polylactic acid for fluid movement bottom layer. It is demonstrated that simple configuration generates broadside beam can be pointed to discrete azimuthal...