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Interaction suppression technique for high-density antenna arrays for mm-wave 5G MIMO systems
Published 2021“…High isolation between adjacent radiation elements was achieved by embedding a crisscrossed decoupling structure comprising slotted microstrip-lines and locating in the ground-plane under each slot a dielectric ring. The proposed periodic array behaves as artificial magnetic conductor (AMC) surfaces as incident waves in the substrate are fully reflected with a near zero degrees reflection phase. …”
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102
High-gain end-fire bow-tie antenna using artificial dielectric layers
Published 2015“…By loading the antenna with a 2 × 5 array of enhanced end-coupled split-ring (EECSR) unit-cells results in significant enhancement in the antenna gain performance. …”
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103
Super-wideband antenna with multiple notched-band functionality through L-X bands
Published 2022“…The proposed antenna comprises a standard circular patch which is loaded with various slot artifacts that include multiple split-ring resonators (SRR), a rotated Gamma-shaped slot, and embedded in the feedline is a rotated S-shaped slot. …”
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Conference or Workshop Item -
104
Nanoparticle-coated Vivaldi antenna array for gain enhancement
Published 2023“…This is achieved by loading the antenna with Complementary Split Ring Resonators (CSRR) and periodic array of open loop meander-line unit cells. …”
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105
A multi-beam circularly polarised Fabry-Perot resonator antenna array using SIW for X-Band applications
Published 2025“…This paper presents a novel multi-layer beamforming antenna array based on Fabry-Perot resonator that is excited by a high performance compact 4 × 4 Butler matrix using substrate integrated waveguide SIW) technology for X-band application. The adapted ring patch antenna is fed through the aperture on a rectangular SIW cavity and forms the radiating element in the antenna array. …”
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107
Synthesis and structural analysis of [alpha]-aminophosphonic acids and their phosphonate ester derivatives
Published 1996“…The effects of the aromatic ring currents exerted by the extended aromatic substituents were investigated. …”
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108
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Studies of 1,2-naphthoquinone mono-oximato complexes
Published 1991“…The oxidation involved oxidative cleavage of the aromatic ring of catechol by molecular oxygen to give muconic acid anhydride and 2H-pyran-2-one in addition to benzoquinone. …”
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114
Novel narrowband microstrip filters for wireless communications systems
Published 2010“…The various ‘C-shape’ open-loop ring resonators were developed and fabricated, namely ‘Embedded-Square’ and ‘Embedded-Triangle’ resonators, exhibited a quasielliptic function bandpass filter response free from spurii across an ultra-wide bandwidth. …”
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115
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