Results 1 to 10 of about 9,081 (117)

User Influence on Mobile Terminal Antennas: A Review of Challenges and Potential Solution for 5G Antennas

open access: yesIEEE Access, 2018
This paper presents a comprehensive review of mobile terminal antenna researches performed in the past seven years and the current challenges related to the user's influence on the performance of fifth generation (5G) terminal antennas.
Rizwan Khan   +2 more
exaly   +3 more sources

Low-SAR Antenna Design and Implementation for Mobile Phone Applications

open access: yesIEEE Access, 2021
This paper presents a novel approach for designing low-SAR (specific absorption rate) terminal antenna. First of all, the relationship between the magnetic field and the SAR value is deduced by using the electric field formula of SAR and Maxwell’s
Bao Lu, Bo Pang, Wei Hu, Wen Jiang
doaj   +1 more source

Diagnosis of subarray‐structured base station antennas in a compact setup based on solving linear equations

open access: yesIET Microwaves, Antennas & Propagation, 2023
Since the total number of the antenna elements can be up to hundreds in a massive multiple‐input multiple‐output (MIMO) system, subarray‐structured base station (BS) array configurations are widely adopted to achieve a good cell coverage and to reduce ...
Mengting Li, Fengchun Zhang, Wei Fan
doaj   +1 more source

Infrastructural inequality: exploring the emergence of digital classes in the Metropolitan Area of Santiago, Chile

open access: yesBulletin of Geography. Socio-Economic Series, 2023
This paper examines the digital divide in the city of Santiago, Chile. The research uses the density of mobile phone antennas as a proxy for digital infrastructure. The findings show that there is a strong correlation between the density of mobile phone
Juan Correa   +4 more
doaj   +1 more source

Bandwidth Enhancement of a Mobile Phone Antenna Using Ferrite Slab

open access: yesMagnetochemistry, 2022
A novel technique to enhance the bandwidth of mobile phone antennas using YIG ferrite is proposed. The technique is applied in two slot antennas which are the proposed antenna and the reference antenna.
Peng Li   +5 more
doaj   +1 more source

Low-Profile Four-Port MIMO Antenna Module Based 16-Port Closely-Spaced 2 × 2 Module Array for 6G Upper Mid-Band Mobile Devices

open access: yesIEEE Access, 2023
The next six-generation (6G) mobile device is expected to support eight MIMO spatial streams to achieve a much larger spectral efficiency than the current fifth-generation (5G) 4×4 MIMO operation in the mid-band such as the 3.5 GHz band. Thus, for
Kin-Lu Wong, Shao-En Hong, Wei-Yu Li
doaj   +1 more source

Spherical Coverage Characterization of 5G Millimeter Wave User Equipment With 3GPP Specifications

open access: yesIEEE Access, 2019
Millimeter-wave (mmWave) frequency bands are promising candidate spectrum for the fifth-generation (5G) mobile communication system, but it requires high directional antenna systems to be applied to the base station and the user equipment (UE) for ...
Kun Zhao   +6 more
doaj   +1 more source

Design of a high-gain dual-band LI-slotted microstrip patch antenna for 5G mobile communication systems

open access: yesJournal of Radiation Research and Applied Sciences, 2022
The microstrip patch antenna has been successfully used in modern wireless communication systems including the fifth generation (5G) applications. The focus of this paper is on the high-band millimeter waves of the 5G, particularly the 26 and 28 GHz as ...
Mouaaz Nahas
doaj   +1 more source

Meta-Surface Antenna Array Decoupling Designs for Two Linear Polarized Antennas Coupled in H-Plane and E-Plane

open access: yesIEEE Access, 2019
In this paper, meta-surface superstrates are used to decouple two linear polarized antennas coupled in H-plane and E-plane, respectively. By properly designing the geometry of the double layer short wires as the unit cell of the meta-surface, as well as ...
Jiayin Guo   +5 more
doaj   +1 more source

Evolution of Innovative 5G Millimeter-Wave Antenna Designs Integrating Non-Millimeter-Wave Antenna Functions Based on Antenna-in-Package (AiP) Solution to Cellular Phones

open access: yesIEEE Access, 2021
This article presents an inspiring retrospect and prospect on the evolution of innovative 5G millimeter-Wave (mm-Wave) antenna designs integrating non-mm-Wave functions based on the antenna-in-package (AiP) solution to cellular phones.
Huan-Chu Huang, Jiaguo Lu
doaj   +1 more source

Home - About - Disclaimer - Privacy