Search Results - "Kishk, Ahmed"
-
1
Broadband mm-Wave Microstrip Array Antenna With Improved Radiation Characteristics for Different 5G Applications
Published in IEEE transactions on antennas and propagation (01-09-2018)“…A Ka-band inset-fed microstrip patches linear antenna array is presented for the fifth generation (5G) applications in different countries. The bandwidth is…”
Get full text
Journal Article -
2
Enhancing Isolation in Dual-Band Meander-Line Multiple Antenna by Employing Split EBG Structure
Published in IEEE transactions on antennas and propagation (01-04-2019)“…A closely located dual-band meander-line antenna array with isolation enhancement by inserting novel split electromagnetic bandgap (EBG) uniplanar structure is…”
Get full text
Journal Article -
3
Advanced Wave Engineering via Obliquely Illuminated Space-Time-Modulated Slab
Published in IEEE transactions on antennas and propagation (01-01-2019)“…This paper introduces an advanced wave engineering technique based on unidirectional frequency generation and spatial decomposition in general…”
Get full text
Journal Article -
4
Broadband 60 GHz Antennas Fed by Substrate Integrated Gap Waveguides
Published in IEEE transactions on antennas and propagation (01-07-2018)“…The first antenna based on substrate integrated gap waveguide (SIGW) is presented. Using two contacted metal strips to build the required conducting ridge, the…”
Get full text
Journal Article -
5
Modern Shielding Methods: On Applications of Space-Time Modulated Media
Published in IEEE transactions on antennas and propagation (01-04-2024)“…This article delves into the unique advantages of space-time modulated (STM) media for green shielding. An efficient optimization-based synthesis technique is…”
Get full text
Journal Article -
6
In-Band Mutual Coupling Suppression in Dual-Band Shared-Aperture Base Station Arrays Using Dielectric Block Loading
Published in IEEE transactions on antennas and propagation (01-10-2022)“…Dual-band base station antenna (BSA) arrays with shared aperture have attracted considerable attention for the fifth-generation (5G) communication. The focus…”
Get full text
Journal Article -
7
2-D Butler Matrix and Phase-Shifter Group
Published in IEEE transactions on microwave theory and techniques (01-12-2018)“…The principles and design methods of two novel devices, 2-D Butler matrix (2-D-BM) and phase-shifter group, are presented. The 2-D-BM has <inline-formula>…”
Get full text
Journal Article -
8
Remarks on Noise Shaping for Phased Array Analog Beamforming
Published in IEEE transactions on antennas and propagation (01-01-2023)“…This article comprises three parts, which exhaustively investigates the noise-shaping approach in analog beamforming of phased array (PA) antenna…”
Get full text
Journal Article -
9
W -Band Low-Profile Monopulse Slot Array Antenna Based on Gap Waveguide Corporate-Feed Network
Published in IEEE transactions on antennas and propagation (01-12-2018)“…This paper presents a gap waveguide-based compact monopulse array antenna, which is formed with four unconnected layers, for millimeter-wave tracking…”
Get full text
Journal Article -
10
SIW-Based Self-Quadruplexing Antenna for Microwave and mm-Wave Frequencies
Published in IEEE antennas and wireless propagation letters (01-07-2022)“…A low-profile Substrate IntegratedWaveguide (SIW) cavity backed self-quadruplexing slot antenna supporting both microwave and mm-wave frequencies is proposed…”
Get full text
Journal Article -
11
Co- and Cross-Polarization Decoupling Structure With Polarization Rotation Property Between Linearly Polarized Dipole Antennas With Application to Decoupling of Circularly Polarized Antennas
Published in IEEE transactions on antennas and propagation (01-01-2022)“…A decoupling structure with polarization rotation (DSPR) property is proposed to reduce the mutual coupling between co- or cross-polarized antennas. The…”
Get full text
Journal Article -
12
Design of 3-dB Hybrid Coupler Based on RGW Technology
Published in IEEE transactions on microwave theory and techniques (01-10-2017)“…Hybrid couplers are essential devices in various microwave circuits and systems, such as radar systems and beam forming networks. The development of this…”
Get full text
Journal Article -
13
Contactless Air-Filled Substrate Integrated Waveguide
Published in IEEE transactions on microwave theory and techniques (01-06-2018)“…The contactless version of the air-filled substrate integrated waveguide (AF-SIW) is introduced for the first time. The conventional AF-SIW configuration…”
Get full text
Journal Article -
14
Noise Shaping for Phased Array Beamforming
Published in IEEE transactions on antennas and propagation (01-08-2022)“…Quantization of phase and/or amplitude has far-reaching effects on the radiation characteristics of the phased array (PA), including gain, minor lobe level,…”
Get full text
Journal Article -
15
Split-Ring Resonator-Loaded Baffles for Decoupling of Dual-Polarized Base Station Array
Published in IEEE antennas and wireless propagation letters (01-10-2020)“…Baffles loaded by split-ring resonator (SRR) are proposed to reduce the mutual coupling for ±45° dual-polarized multiple-input-multiple-output (MIMO) antenna…”
Get full text
Journal Article -
16
A Hexaband Quad-Circular-Polarization Slotted Patch Antenna for 5G, GPS, WLAN, LTE, and Radio Navigation Applications
Published in IEEE antennas and wireless propagation letters (01-08-2021)“…A hexaband, quad-circular-polarization (CP) slotted patch antenna for 5G (3.5 GHz), GPS L5 (1.17 GHz), GPS L1 (1.57 GHz), wireless local area network (WLAN)…”
Get full text
Journal Article -
17
Space-Time Modulation in Lossy Dispersive Media and the Implications for Amplification and Shielding
Published in IEEE transactions on microwave theory and techniques (01-05-2022)“…We investigate the dispersion, attenuation, amplification, and the area of solutions of electromagnetic (EM) waves in a lossy progressively disturbed medium…”
Get full text
Journal Article -
18
Invasive Weed Optimization and its Features in Electromagnetics
Published in IEEE transactions on antennas and propagation (01-04-2010)“…A new numerical stochastic optimization algorithm, inspired from colonizing weeds, is proposed for Electromagnetic applications. This algorithm, invasive weed…”
Get full text
Journal Article -
19
Realistic Air-Filled TEM Printed Parallel-Plate Waveguide Based on Ridge Gap Waveguide
Published in IEEE transactions on microwave theory and techniques (01-05-2018)“…A double-ridge and double-sided textured surface waveguide based on the printed ridge gap waveguide (PRGW) is introduced. The structure acts as a…”
Get full text
Journal Article -
20
Dual-Polarized Broadband Base Station Antenna Backed With Dielectric Cavity for 5G Communications
Published in IEEE antennas and wireless propagation letters (01-10-2019)“…A compact dual-polarized antenna with total dimensions of 31 × 31 × 14 mm 3 is proposed for the fifth-generation base stations at 3.5 GHz. The antenna consists…”
Get full text
Journal Article