Butler matrix based beamforming networks for phased array antenna systems: A comprehensive review and future directions for 5G applications
Due to the rapid development of wireless communication technologies, the number of
wireless users are radically increasing. Currently,~ 23 billion wireless devices are …
wireless users are radically increasing. Currently,~ 23 billion wireless devices are …
[PDF][PDF] A novel wideband beamforming antenna for 5G applications by eliminating the phase shifters and crossovers from the Butler matrix
In this study, a novel Switched Beam Antenna (SBA) system is proposed and experimentally
validated for C-band applications. The system is made up of a 4× 4 Butler matrix, whose …
validated for C-band applications. The system is made up of a 4× 4 Butler matrix, whose …
Power profile-based antenna selection for millimeter wave MIMO with an all-planar lens antenna array
Lens antenna arrays can significantly reduce the number of radio frequency (RF) chains and
provide a cost-effective beamforming approach to millimeter-wave massive multiple-input …
provide a cost-effective beamforming approach to millimeter-wave massive multiple-input …
[PDF][PDF] Design of Wideband 8× 8 Butler Matrix using Composite Right/Left-handed Transmission Line for Multi-mode OAM Generation
Y Zhang, H Ye, J Zhang… - Applied …, 2024 - journals.riverpublishers.com
In this paper, a wideband Butler matrix for the uniform circular array antenna (UCA)
generating multi-mode orbital angular momentum (OAM) vortex wave is designed. Firstly …
generating multi-mode orbital angular momentum (OAM) vortex wave is designed. Firstly …
[HTML][HTML] II. TOPOLOGY OF A BUTLER MATRIX
Y Zhang, H Ye, J Zhang, X Zhang, S Lü - journals.riverpublishers.com
For OAM application, the UCA element is fed by BFN with equal amplitude and progressive
phase difference [23]. In order to generate an OAM beam of±1/±2 mode by feeding eight …
phase difference [23]. In order to generate an OAM beam of±1/±2 mode by feeding eight …
Diseño e implementación de una matriz de Butler de 4x4 para formación de haces de una agrupación de antenas
A Araujo, D Pacheco, D Auquilla - Maskana, 2017 - publicaciones.ucuenca.edu.ec
Butler matrix is a method of beamforming array antenna. Our objective was designing and
implementing a laboratory prototype of a 4x4 matrix, using microstrip technology. Theoretical …
implementing a laboratory prototype of a 4x4 matrix, using microstrip technology. Theoretical …
Diseño y fabricación de una agrupación lineal de antenas de 2-6 ghz con elementos t asimétricos para controlar el diagrama de radiación
JS Arcos Tuapanta - 2023 - dspace.unach.edu.ec
El presente trabajo de titulación tiene como objetivo general diseñar una agrupación lineal
de antenas tipo parche con elementos T asimétricos, que se puede utilizar en diferentes …
de antenas tipo parche con elementos T asimétricos, que se puede utilizar en diferentes …
Design of a new compact Butler matrix for UWB applications
H Lan, Z Li, Y Li, C Duan, N Wang… - 2021 CIE International …, 2021 - ieeexplore.ieee.org
In this paper, a design of a new compact 4*4 Butler matrix for UWB applications is
presented. The multilayer structure is used to design a drip-shaped coupler, which offers …
presented. The multilayer structure is used to design a drip-shaped coupler, which offers …
Plataforma de evaluación de algoritmos de detección de complejos QRS fetales
A Heredia, J Merchán, A Rojas, S Wong - Maskana, 2017 - publicaciones.ucuenca.edu.ec
The development of a performance evaluation platform for fetal QRS detection algorithms
(fQRS) is presented. The platform allows to combine the three classic stages of these …
(fQRS) is presented. The platform allows to combine the three classic stages of these …