Results 1 to 10 of about 3,465,717 (304)

A Compact High-Isolation Four-Element MIMO Antenna with Asymptote-Shaped Structure [PDF]

Sensors, 2023
The demand for high-speed wireless communication systems has led to the development of ultrawide-band (UWB) antennas with a compact size and high performance.
Aiting Wu, Yingxiang Tao, Pengquan Zhang, Zhonghai Zhang, Zhihua Fang   +4 more
doaj   +2 more sources

Miniaturized MIMO Antenna Array with High Isolation for 5G Metal-Frame Smartphone Application [PDF]

Micromachines, 2022
In this paper, a highly isolated multiple-input multiple-output (MIMO) antenna array is proposed for fifth-generation (5G) metal frame smartphones. The eight identical small-sized inverted F-shaped folded slots are etched on the metal frame as a MIMO ...
Yuehui Gao, Junlin Wang, Xin Wang, Rui Shao   +3 more
doaj   +2 more sources

CPW Fed Compact UWB 4-Element MIMO Antenna with High Isolation [PDF]

Sensors, 2021
In the paper, an extremely compact multiple-input-multiple-output (MIMO) antenna is proposed for portable wireless ultrawideband (UWB) applications. The proposed prototype consists of four monopole antenna elements, which are placed perpendicularly to ...
Wenfei Yin, Shaoxiang Chen, Junjie Chang, Chunhua Li, Salam K. Khamas   +4 more
doaj   +2 more sources

Novel High Isolation and High Capacitance Ratio RF MEMS Switch: Design, Analysis and Performance Verification [PDF]

Micromachines, 2022
In this paper, a novel high isolation and high-capacitance-ratio radio-frequency micro-electromechanical systems (RF MEMS) switch working at Ka-band is designed, fabricated, measured and analyzed.
Zhongliang Deng, Yucheng Wang, Kun Deng, Chengqi Lai, Jiali Zhou   +4 more
doaj   +2 more sources

A Compact Ultra-Wideband Chip Antenna with Bandwidth Extension Patch and Simple Isolator for MIMO Systems for Mobile Handheld Terminals [PDF]

Journal of Electromagnetic Engineering and Science, 2022
A compact ultra-wideband (UWB) chip antenna that has high isolation for multi-input multi-output (MIMO) systems is presented in this paper. The antenna is composed of a chip antenna, a printed circuit board, and an isolator stub.
Jung-Nam Lee, Seok Bong Hyun, Young Kyun Cho   +2 more
doaj   +1 more source

In Silico Study of Polyunsaturated Fatty Acids as Potential SARS-CoV-2 Spike Protein Closed Conformation Stabilizers: Epidemiological and Computational Approaches

Molecules, 2021
SARS-CoV-2 infects host cells by interacting its spike protein with surface angiotensin-converting enzyme 2 (ACE2) receptors, expressed in lung and other cell types.
Alonso Vivar-Sierra, María José Araiza-Macías, José Patricio Hernández-Contreras, Arely Vergara-Castañeda, Gabriela Ramírez-Vélez, Rodolfo Pinto-Almazán, Juan Rodrigo Salazar, Marco A. Loza-Mejía   +7 more
doaj   +1 more source

In Silico-Based Design and In Vivo Evaluation of an Anthranilic Acid Derivative as a Multitarget Drug in a Diet-Induced Metabolic Syndrome Model

Pharmaceuticals, 2021
Metabolic syndrome (MetS) is a complex disease that affects almost a quarter of the world’s adult population. In MetS, diabetes, obesity, hyperglycemia, high cholesterol, and high blood pressure are the most common disorders.
Héctor González-Álvarez, Astrid Bravo-Jiménez, Matilda Martínez-Arellanes, Gabriela Odette Gamboa-Osorio, Edwin Chávez-Gutiérrez, Lino A. González-Hernández, Karina Gallardo-Ignacio, Osvaldo J. Quintana-Romero, Armando Ariza-Castolo, Christian Guerra-Araiza, Laura Martino-Roaro, Dulce María Meneses-Ruiz, Rodolfo Pinto-Almazán, Marco A. Loza-Mejía   +13 more
doaj   +1 more source

Low-Profile Dual-Polarized Composite Patch-Monopole Antenna With Broadband and Widebeam Characteristics

IEEE Access, 2023
This paper presents a low-profile, high-isolation, dual-polarized antenna with broadband and widebeam characteristics. The antenna consists of a square patch fed by double differential-fed scheme for the high-isolation dual-polarized radiation. The patch
Son Xuat Ta, Thanh Tung Phung, Khac Kiem Nguyen, Chien Dao-Ngoc, Nghia Nguyen-Trong   +4 more
doaj   +1 more source

Design of a Compact 4-Element GNSS Antenna Array With High Isolation Using a Defected Ground Structure (DGS) and a Microwave Absorber

IEEE Open Journal of Antennas and Propagation, 2023
This work presents a compact (125 mm diameter) wideband 4-element antenna array with a high isolation level for global navigation satellite system (GNSS) applications.
Abdullah Madni, Wasif Tanveer Khan
doaj   +1 more source

A Novel Half Mode SICL Based Dual Beam Antenna Array for Ka-Band Application

IEEE Access, 2023
In this paper, we propose a novel Half Mode Substrate Integrated Coaxial Line (HMSICL) cavity fed monopole antenna at 28 GHz. A SICL cavity is bisected along its symmetric magnetic wall (PMC) to create an open-ended Half Mode SICL (HMSICL) cavity.
Naman Baghel, Soumava Mukherjee
doaj   +1 more source