This paper presents a planar multi-circular loop antenna with wide impedance bandwidth for next generation mm-wave systems. The proposed comprises three circular rings partial ground plane square slot. resonating structure is designed on 0.254 mm thin RO5880 substrate relative permittivity of 2.3. single element the design showed resonance response from 26.5 to 41 GHz, peak gain 4 dBi and radiation efficiency 96%. multicircular ring transformed into four-element array system. size kept at...

This paper presents an S-shape four-port Multiple Input Output (MIMO) wideband mmWave antenna with bandwidth of 25 GHz to 39 GHz. The is designed on 0.254 mm ultra-thin RO5880 permittivity 2.3. dimensions proposed are 10 × 12 for single element and 24 MIMO configuration. A decoupling network introduced further compress mutual coupling among elements. peak gain achieved 7.1 dBi assembly delivers diversity scheme. fabricated, simulated results found be in excellent agreement simulations....

In this paper, a novel wideband circularly polarized multiple-input multiple-output (MIMO) dielectric resonator antenna (DRA) has been proposed for worldwide interoperability microwave access (WiMAX) applications. The mutual coupling (MC) between closely placed DRA units at 0.5λ significantly reduced by using new hybrid technique. exclusive features of the MIMO include wide impedance matching bandwidth (BW), broadband circular polarization (CP), and suppressed MC radiating elements. first...

This paper describes a singly-fed circularly polarized rectangular dielectric resonator antenna (RDRA) for MIMO and 5G Sub 6 GHz applications. Circular polarization was achieved both ports using novel-shaped conformal metal strip. To improve the isolation between radiators, "S" shaped defective ground plane structure (DGPS) used. In order to authenticate estimated findings, prototype of suggested radiator built tested experimentally. Over desired band, i.e., 3.57-4.48 GHz, fractional...

In this Research article, a circularly polarized Dielectric Resonator Antenna (DRA) that operates in the sub-6 GHz spectrum for future 5G New Radio (5G NR) applications has been proposed. The novel design consists of Roman Three shaped conformal metal strip excited through singly fed mechanism. proposed technique is responsible circular polarization by exciting higher-order degenerate modes, i.e., TExδ13 and TEy1δ3.Initially, roman three shape produces narrow 10-dB impedance bandwidth 10.68%...

In this research article, a single-fed dual-band circular polarized (CP) dielectric resonator antenna (DRA) for dual-function communication, such as GPS and WLAN, was made. Initially, the proposed design process initiated by designing linearly singly fed-DRA. To attain CP fields, cross-shape conformal metal strip optimized to excite fundamental high-order mode in two frequency bands. The metallic (parasitic) utilized on top of rectangular DRA improve widen impedance axial ratio (AR)...

Abstract This research explores a circularly polarized (CP) multiple-input-multiple-output (MIMO) dielectric resonator antenna (DRA) designed specifically for 5G Sub-6 GHz and WiMAX applications. The system utilizes unique H-shaped feeding strip to excite each DRA element. specialized mechanism facilitates the activation of higher-order degenerate modes, including TE $_{\delta13}^x$ $_{1 \delta 3}^{y}$ , which are essential achieving circular polarization. exhibits reflection coefficient...

In this article, a rectangular dielectric resonator antenna (RDRA) with circularly polarized (CP) response is presented for 5G NR (New Radio) Sub-6 GHz band applications. A uniquely shaped conformal metal feeding strip proposed to excite the RDRA in higher-order mode high gain utilization. By using mechanism, degenerate pair of first higher-order, i.e., TEδ13x at 4.13 and TE1δ3y, 4.52 excited achieve response. circular polarization over bandwidth ~10%, conjunction wide impedance matching...

A unique circularly polarized (CP) compact wearable dielectric resonator antenna (DRA) has been proposed for off-body communication in wireless body area network (WBAN) applications. The design is singly fed and a new H-shaped conformal metal strip used to excite the DRA. circular polarization over bandwidth of ~9.6% (7.47-8.25 GHz) conjunction with an impedance matching ~20.7% (6.95-8.68 offered by antenna. prototype fabricated measured. tested both free space on-body environment. robust...

A rectangular dielectric resonator antenna (DRA) has been excited using a unique conformal H-shaped metal strip. Using this excitation, the degenerate mode pair of first higher orderTE <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">δ13</sub> <sup xmlns:xlink="http://www.w3.org/1999/xlink">x</sup> and TE xmlns:xlink="http://www.w3.org/1999/xlink">1δ3</sup> xmlns:xlink="http://www.w3.org/1999/xlink">y</sub> for bandwidth improvement high gain....

A wideband circularly polarized rectangular dielectric resonator antenna (DRA) fed by single feeding mechanism has been studied theoretically and experimentally. The study carried out to find the effect on different parameters when a parasitic strip is attached wall beside conformal metallic feed. DRA excited an E-shaped metal strip. novel feed produces narrow impedance matching |S <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</sub> | <;...

A simple, low‐cost and compact antenna is presented for ultra‐wideband applications. The proposed design has improved characteristics as compared to the available different designs reported in recent literature. designed on FR4 substrate with microstrip feed line. Better results are obtained by optimising geometrical parameters of patch lengths ground strip According criteria −10 dB matching bandwidth, covers a high bandwidth ranging from 3.1 16 GHz. It was identified that voltage standing...

The paper presents a triband circular polarized rectangular dielectric resonator antenna. A single coaxial cable feeds the DRA to double stub strip on side. patch coupled feed assists in widening bandwidth of proposed DRA. degenerate mode pair TE∂11x and higher-TE∂23x has been excited achieve CP enhance antenna gain. higher-order using low-cost simple excitation mechanism without compromising size shape An impedance 48% with gain ~6–9 dBic was achieved all resonance frequencies....

A wideband circularly polarized rectangular dielectric resonator antenna (DRA) fed by a single feeding mechanism has been studied theoretically and experimentally. The purpose of the study is to determine how adding parasitic strip next flat surface metallic feed would affect various far- near-field characteristics. Initially, basic design, i.e., T-shape known as A, produced 4.81% impedance matching bandwidth (|S11| -10 dB). Due narrow undesirable results initial antenna-A was updated...

&lt;p class="Abstract"&gt;A rectangular dielectric resonator antenna (DRA) has been excited by an off-set single conformal metal strip. By using such excitation technique two degenerate resonant modes, TExδ11 and TEy1δ1 of the DRA have to achieve circular polarization (CP). A CP bandwidth ~ 5.2% in conjunction with a wide impedance matching 54% provided proposed configuration. The design simulated computer simulation technology (CST). Antenna prototype built verify bandwidth. Far field...

Abstract This research article proposes a dual-sense dual-port wideband circularly polarized (CP) multi-input multi-output (MIMO) antenna designed for Wi-Fi 6E applications. The main novelty lies in achieving CP both ports using truncated rectangular-shaped aperture. By incorporating design and spatial diversity defective ground structure between the two radiators, improves isolation enables to generate Left-Hand Circular Polarization (LHCP)depending on selected feed port. proposed MIMO...

Objective: To determine effectiveness of aggressive Intraoperative Pulmonary recruitment maneuver before weaning in limiting immediate postoperative pathological Atelectasis patients with coronary artery bypass surgery Methodology: This retrospective analysis was conducted at Heart and Vascular Institution, Kulsum International Hospital, Islamabad from November 2019 to 12th April 2023. All elective were included. In group A (n=20) the initiated while B, protocol not initiated. The...

This study presents design and analysis of a wideband circularly polarized (CP) cylindrical hollow shaped dielectric resonator antenna (DRA) which has been excited with roman three (m) feed. The proposed feed made-up five metallic strips, have optimized to generate circular polarization. offers polarization over bandwidth ~9% in conjunction an impedance-matching ~19%. simulated computer simulation technology (CST) software by using the transient solver, based on finite integration technique...

A unique hook-shaped conformal metal strip has been used to excite a cylindrical multilayer dielectric resonator antenna (DRA). By using the proposed feed and multi layers, broadband circular polarization have achieved over bandwidth of ~9.8% in conjunction with an impedance-matching ~12.8% at same frequency range. The DRA successfully designed excited by computer simulation technology (CST), 3D tool. prototype simulated Finite Integration Technique (FIT). results validated different...

In this article a novel circularly polarized (CP) rectangular dielectric resonator antennas (RDRA’s) array has been designed. A unique conformal feeding strip used to excite the RDRA’s having distance of λ/2. Various techniques are investigated reduce mutual coupling (MC). Different formations, comprise reorientation have employed suppress MC and enhance CP bandwidth. By orientation reduced by ~ 14 dB. broadband circular polarization over bandwidth 18.8% in conjunction with an impedance...

&lt;p&gt;icro-strip patch antenna is more popular as compared to other antennas and widely used today in modern wireless communication system because of its elegant weight, low fabrication price, easy feed, ease fabricate, analyze, attractive radiation characteristics. Though antenna&lt;br /&gt;has several advantages but has some disadvantages well, like limited bandwidth gain. In last few years, Different techniques such Electromagnetic Band Gap (EBG) structure, artificial magnetic...