Search Results - "Atef, Z."

Transmission Phase Limit of Multilayer Frequency-Selective Surfaces for Transmitarray Designs by Abdelrahman, Ahmed H., Elsherbeni, Atef Z., Fan Yang

“…Many transmitarray antennas are designed with multilayer frequency-selective surface (M-FSS) type elements. The goal of this paper is to reveal the…”
Get full text

3D Printed Dielectric Reflectarrays: Low-Cost High-Gain Antennas at Sub-Millimeter Waves by Nayeri, Payam, Min Liang, Sabory-Garcia, Rafael Austreberto, Mingguang Tuo, Fan Yang, Gehm, Michael, Hao Xin, Elsherbeni, Atef Z.

“…Dielectric reflectarray antennas are proposed as a promising low-loss and low-cost solution for high gain terahertz (THz) antennas. Variable height dielectric…”
Get full text

Bifocal Design and Aperture Phase Optimizations of Reflectarray Antennas for Wide-Angle Beam Scanning Performance by Nayeri, Payam, Fan Yang, Elsherbeni, Atef Z.

“…A new design methodology is proposed for high-gain beam-scanning reflectarray antennas. Various approaches for designing beam-scanning reflectarray antennas…”
Get full text

High-Gain and Broadband Transmitarray Antenna Using Triple-Layer Spiral Dipole Elements by Abdelrahman, Ahmed H., Elsherbeni, Atef Z., Fan Yang

“…A triple-layer transmitarray antenna has been designed, fabricated, and tested at X-band. Using a spiral-dipole element, a full transmission phase range of 360…”
Get full text

Transmitarray Antenna Design Using Cross-Slot Elements With No Dielectric Substrate by Abdelrahman, Ahmed H., Elsherbeni, Atef Z., Fan Yang

“…The transmitarray antenna has received considerable attention in recent years as it combines the favorable features of the lens antenna and the array…”
Get full text

Antenna-on-Package Design: Achieving Near-Isotropic Radiation Pattern and Wide CP Coverage Simultaneously by Su, Zhen, Klionovski, Kirill, Liao, Hanguang, Chen, Yiming, Elsherbeni, Atef Z., Shamim, Atif

“…Internet of Things (IoT) applications require orientation insensitive wireless devices to maintain stable and reliable communication as well as the…”
Get full text

Alternative Implementation of EM Propagation for 3-D Layered Lossy Media by SMM Method by Feng, Naixing, Wang, Huan, Zhang, Yuxian, Huang, Zhixiang, Elsherbeni, Atef Z.

“…An efficient space mapping method (SMM) is proposed to simulate electromagnetic (EM) propagation in 3-D multilayered lossy media. In regard to the spatial…”
Get full text

Circular Polarization Reconfigurable Wideband E-Shaped Patch Antenna for Wireless Applications by Khidre, A., Kai-Fong Lee, Fan Yang, Elsherbeni, A. Z.

“…A polarization reconfigurable E-shaped patch antenna with wideband performance is proposed in this communication. The antenna is capable of switching its…”
Get full text

Design of Single-Feed Reflectarray Antennas With Asymmetric Multiple Beams Using the Particle Swarm Optimization Method by Nayeri, Payam, Fan Yang, Elsherbeni, Atef Z.

“…Single-feed reflectarrays with asymmetric multiple beams are studied in this paper. The conventional methods for designing multibeam reflectarrays are first…”
Get full text

A Unified Dispersive Media and PML FDTD Formulation Based on the Matrix Exponential Method by Zhu, Guocui, Li, Minquan, Li, Yingsong, Huang, Zhixiang, Wu, Xianliang, Elsherbeni, Atef Z., Niu, Kaikun

“…A unified dispersive media and perfect matching layer (PML) finite-difference time-domain (FDTD) formulation based on the matrix exponential (ME) method is…”
Get full text

A Stochastic FDTD Algorithm for Uncertainty Quantification of Electromagnetic-Thermal Simulation by Niu, Kaikun, Xiao, Zijing, Xie, Guoda, Ren, Xingang, Li, Yingsong, Huang, Zhixiang, Wu, Xianliang, Elsherbeni, Atef Z.

“…This article introduces a computational approach that utilizes the stochastic finite-difference time-domain (S-FDTD) method to solve problems involving both…”
Get full text

Single-Feed Quad-Beam Transmitarray Antenna Design by Abdelrahman, Ahmed H., Nayeri, Payam, Elsherbeni, Atef Z., Fan Yang

“…We present a design methodology for single-feed multibeam transmitarray antennas through case studies of quad-beam designs. Different far-field pattern masks…”
Get full text

High-Order ME-CFS-PML Implementations for Terminating the FDTD Domain Composed of Arbitrary Media by Zhu, Guocui, Niu, Kaikun, Li, Minquan, Li, Yingsong, Ren, Xingang, Xie, Guoda, Huang, Zhixiang, Wu, Xianliang, Elsherbeni, Atef Z.

“…An arbitrary high-order matrix exponential (ME) complex frequency-shift (CFS) perfect matched layer (PML) algorithm is proposed for truncating the simulation…”
Get full text

Wide Band Dual-Beam U-Slot Microstrip Antenna by Khidre, A., Kai-Fong Lee, Elsherbeni, A. Z., Fan Yang

“…A wide band dual-beam microstrip antenna is proposed in this communication. Two radiation beams off broadside are obtained by operating the patch antenna at…”
Get full text

Transient Electromagnetic-Thermal Co-Simulation of Microwave/RF Integrated Circuits by the HIE-FDTD Method by Niu, Kaikun, Zhang, Wenkai, Li, Minquan, Ren, Xingang, Li, Yingsong, Huang, Zhixiang, Wu, Bo, Wu, Xianliang, Elsherbeni, Atef Z.

“…In this article, we present an efficient transient electromagnetic-thermal co-simulation solver based on the hybrid implicit-explicit finite-difference…”
Get full text

Design and Experiment of a Single-Feed Quad-Beam Reflectarray Antenna by Nayeri, P., Fan Yang, Elsherbeni, A. Z.

“…Reflectarray antennas show momentous promise as a cost-effective high-gain antenna, capable of generating multiple simultaneous beams. A systematic study on…”
Get full text

Extension of FLOD-FDTD Method for Multiterm Modified Lorentz Model by Xie, Guoda, Hou, Guilin, Xu, Ke, Niu, Kaikun, Feng, Naixing, Li, Yingsong, Huang, Zhixiang, Elsherbeni, Atef Z.

“…The numerical superiority of the unconditionally stable fundamental locally one-dimensional finite-difference time-domain (FLOD-FDTD) method has been proved in…”
Get full text

Prediction of Antenna Performance based on Scalable Data-informed Machine Learning Methods by Chen, Yiming, Demir, Veysel, Bhupatiraju, Srirama, Elsherbeni, Atef Z, Gavilan, Joselito, Stoynov, Kiril

“…This paper proposes a scalable architecture for predicting antenna performance using various data-informed machine learning (DIML) methods. By utilizing the…”
Get full text

Aperture efficiency analysis of reflectarray antennas by Yu, Ang, Yang, Fan, Elsherbeni, Atef Z., Huang, John, Rahmat-Samii, Yahya

“…In the design procedure of a reflectarray antenna system, the aperture efficiency needs to be first analyzed to forecast the system performance. This article…”
Get full text

Inkjet-Printed Humidity Sensor for Passive UHF RFID Systems by Virtanen, J., Ukkonen, L., Bjorninen, T., Elsherbeni, A. Z., Sydänheimo, L.

“…This paper presents a novel inkjet-printed humidity sensor tag for passive radio-frequency identification (RFID) systems operating at ultrahigh frequencies…”
Get full text