Results 21 to 30 of about 359,484 (133)

Wideband blade monopole antenna with sleeved coaxial feed [PDF]

open access: yes, 2009
A wideband planar monopole antenna requiring a small ground plane is described. Numerical and measured results confirms the antenna has good radiation efficiency and stable omni-directional radiation patterns over an impedance bandwidth of 4.1:1 covering
Morrow, Ivor L.   +7 more
core   +1 more source

Ultra-wideband slot-loaded planar antenna for future 5G millimeter wave applications [PDF]

open access: yesTehnika, 2021
An ultra-wideband, compact planar antenna with defected ground structure (DGS) has been presented in this article for future 5G millimeter-wave applications.
Gupta Surendra Kumar R.   +3 more
doaj   +1 more source

UWB Notch Antennas in MIMO System with High Isolation Performance [PDF]

open access: yesRadioengineering, 2021
This article presents a detailed analysis and design of an ultra-wideband (3.1 GHz – 10.6 GHz) notch antennas in a two-element MIMO system with high isolation performance.
D. Z. Nazif   +3 more
doaj  

An ultra‐wideband low‐profile antenna for long‐term evolution/5G new radio sub‐6G applications

open access: yesElectronics Letters, 2022
An ultra‐wideband dual‐polarized antenna with a low profile is proposed for base‐station applications. The dual‐polarized antenna consists of two crossed dipoles, a square patch, and a square meta‐surface.
Yuehui Cui, Zhenxing Tu, RongLin Li
doaj   +1 more source

Wideband, High-Gain, and Compact Four-Port MIMO Antenna for Future 5G Devices Operating over Ka-Band Spectrum

open access: yesApplied Sciences, 2023
In this article, the compact, ultra-wideband and high-gain MIMO antenna is presented for future 5G devices operating over 28 GHz and 38 GHz. The presented antenna is designed over substrate material Roger RT/Duroid 6002 with a thickness of 1.52 mm.
Sayed Aqib Hussain   +6 more
doaj   +1 more source

A Large Aperture UWB Antenna Array for Real Beam Radar Imaging

open access: yesInternational Journal of Antennas and Propagation, 2012
The development of four-element ultra-wideband (UWB) comb taper slot antenna array with 18 cm element spacing for real beam radar imaging is described. The four-element UWB array system with optimum element spacing is analyzed by energy pattern.
Chao-Hsiang Liao, Dau-Chyrh Chang
doaj   +1 more source

Design of Ultra-Wideband MIMO Antenna for Breast Tumor Detection

open access: yesInternational Journal of Antennas and Propagation, 2012
A MIMO antenna composed by microstrip line-fed circular slot antenna is proposed. This antenna is used in ultra-wideband microwave imaging systems aimed for early breast cancer detection.
Liting Wang, Bin Huang
doaj   +1 more source

Radio channel characterisation and system-level modelling for ultra wideband body-centric wireless communications [PDF]

open access: yes, 2012
PhDThe next generation of wireless communication is evolving towards user-centric networks, where constant and reliable connectivity and services are essential.
Abbasi, Qammer Hussain
core   +4 more sources

Compact multiband antenna employing wideband dual ZOR for mobile handset applications

open access: yesICT Express, 2017
In this study, a compact multiband antenna employing a wideband dual zeroth-order resonator (ZOR) is proposed for mobile handset applications. The theory of wideband zeroth-order mode and multimode is used to design the proposed antenna covering LTE850 ...
Jeong Keun Ji
doaj   +1 more source

Study and miniaturisation of antennas for ultra wideband communication systems [PDF]

open access: yes, 2009
PhDWireless communications have been growing with an astonishing rate over the past few years and wireless terminals for future applications are required to provide diverse services.
Guo, Lu
core   +4 more sources

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