Results 31 to 40 of about 162,087 (215)
A Review of Wideband Reflectarray Antennas for 5G Communication Systems
IEEE Access, 2017 The advancement in the current communication technology makes it incumbent to analyze the conventional features of reflectarray antenna for future adaptability.
Muhammad Hashim Dahri +3 more
doaj +1 more source
Analysis and Design of Reflectarray Antennas Based on Delay Lines: A Filter Perspective
IEEE Access, 2020 The analysis and design of reflectarray (RA) antennas based in delay lines is introduced for the first time from a filter perspective. To this purpose, each unit-cell of the RA is considered as a network composed of two ports, one being the delay line ...
Jiawei Zang +4 more
doaj +1 more source
Analysis and Design of an X-Band Reflectarray Antenna for Remote Sensing Satellite System
Sensors, 2022 This paper presents the analysis and design of an X-band reflectarray. The proposed antenna can be used for a medium Earth orbit (MEO) remote sensing satellite system in the 8.5 GHz band.
Shimaa A. M. Soliman +2 more
doaj +1 more source
SNO and mBBO Optimization Methods for beam-scanning Reflectarray Antennas [PDF]
, 2019 In these years high gain antennas have become very interesting from an application point of view, in particular the possibility to use a Reflectarray Antenna as a new technology of reflector has been studied by researchers.
Paola Pirinoli +9 more
core +1 more source
Electronics Letters, 1998 A novel folded reflectarray antenna is presented. This antenna combines a twist and focusing reflector concept in a single printed structure. Together with a printed grid, a low profile and high gain antenna results. A test antenna in the 20 GHz range was designed, fabricated and tested.
D. Pilz, W. Menzel
openaire +1 more source
Recent Advances in Programmable Metasurfaces and Meta‐Devices
Advanced Electronic Materials, EarlyView.Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao +4 more
wiley +1 more source
Evaluation of Multi-Faceted Reflectarray Configurations on SmallSats [PDF]
, 2022 European Conference on Antennas and Propagation (16th. 2022. Madrid)In this paper, different configurations of multifaceted reflectarrays for small satellite platforms are evaluated.
Imaz Lueje, Borja +2 more
core
Shaped-Pattern Reflectarray Antennas for mm-Wave Networks Using a Simple Cell Topology
IEEE Access, 2022 In this paper, it is proposed the use of ultra-thin reflectarrays in some emerging scenarios in the new mm-wave cellular networks such as 5G, Beyond-5G (B5G), and future 6G.
Borja Imaz-Lueje +4 more
doaj +1 more source
Advanced Electronic Materials, EarlyView.A compact passive engineered surface converts changes in microwave frequency into many distinct illumination patterns, allowing nearby objects to be imaged without mechanical scanning, active tuning, or a large antenna array. Operating from 18 to 28 GHz, the single‐port system uses measured field patterns to reconstruct metallic targets and distinguish
Mohammed H. Arif +6 more
wiley +1 more source
Kaleidoscopic Electromagnetic Wave Manipulation via a Universal Reconfigurable Metasurface Platform
Electron, EarlyView.A multidimensional reconfigurable metasurface enables independent control of the amplitude, phase, polarization, and spectral responses of reflected electromagnetic (EM) waves. Integrating spatial, polarization, and spectral manipulation within a single platform, it provides a versatile solution for intelligent EM systems, next‐generation wireless ...
Wanting Tong +9 more
wiley +1 more source