Results 1 to 10 of about 18,440 (296)

Flexible Phased Antenna Arrays: A Review [PDF]

open access: yesSensors
Flexibility in phased antenna arrays open the world of new applications. Such arrays can conform to different shapes while ensuring performance in harsh conditions.
Waleef Ullah Usmani   +2 more
doaj   +2 more sources

Simultaneous Multibeam Clustered Phased Arrays Analysis Using Mixed and Multiple Antenna Element Factors [PDF]

open access: yesSensors
A novel design strategy for improving the radiative performance of simultaneous multibeam (SMB) phased arrays is addressed. The proposed scheme relies on the adoption of mixed and multiple antenna element factors with a dynamic selection of their ...
Francesco Alessio Dicandia   +1 more
doaj   +2 more sources

Photonic terahertz phased array via selective excitation of nonlinear Pancharatnam-Berry elements [PDF]

open access: yesNature Communications
Phased arrays are crucial in various technologies, such as radar and wireless communications, due to their ability to precisely control and steer electromagnetic waves.
Li Niu   +13 more
doaj   +2 more sources

Packaging and Antenna Integration for Silicon-Based Millimeter-Wave Phased Arrays: 5G and Beyond

open access: yesIEEE Journal of Microwaves, 2021
This article reviews current research and development as well as future opportunities for packaging and antenna integration technologies for silicon-based millimeter-wave phased arrays in emerging communication applications.
Xiaoxiong Gu   +2 more
doaj   +1 more source

Approaches to Overcome Challenges and Technology Bottlenecks of Geostationary Orbit high Throughput Satellite Payload Antenna [PDF]

open access: yesعلوم، فناوری و کاربردهای فضایی, 2023
The antenna of a high throughput satellite payload should generate multiple spot beams simultaneously to provide frequency reuse by creating cellular coverage for the satellite. The phased array antenna is a proper option for this application.
elham sharifi   +2 more
doaj   +1 more source

Sub‐array level structural compensation method for radiating and scattering performance of array antennas

open access: yesIET Microwaves, Antennas & Propagation, 2023
The detection and stealth abilities of array antennas depend mainly on the antennas' radiating and scattering performance, respectively. However, the operating environmental loads and assembly lead to serious structural errors, including deformation and ...
Yan Wang   +10 more
doaj   +1 more source

Coherently Radiating Periodic Structures to Reduce the Number of Phase Shifters in a 2-D Phased Array

open access: yesSensors, 2021
This paper illustrates the application of CORPS (coherently radiating periodic structures) for feeding 2-D phased arrays with a reduced number of phase shifter (PS) devices. Three design configurations using CORPS are proposed for 2-D phased arrays.
Elizvan Juárez   +3 more
doaj   +1 more source

A compact SiGe D-band power amplifier for scalable photonic-enabled phased antenna arrays

open access: yesScientific Reports, 2023
To address the rising demand for high-speed wireless data links, communication systems operating at frequencies beyond $${100}\,\hbox {GHz}$$ 100 GHz are being targeted. A key enabling technology in the development of these wireless systems is the phased
Reinier Broucke   +6 more
doaj   +1 more source

Test Reduction for Power Density Emitted by Handset mmWave Antenna Arrays

open access: yesIEEE Access, 2021
The exposure to electromagnetic field (EMF) from phased antenna arrays integrated into wireless devices operating at the millimeter-wave (mmWave) part of the spectrum should be evaluated in terms of power density (PD).
Stanislav Stefanov Zhekov   +3 more
doaj   +1 more source

Physical Limitations of Phased Array Antennas [PDF]

open access: yesIEEE Transactions on Antennas and Propagation, 2021
12 pages, 11 ...
Andrei Ludvig-Osipov   +3 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy