Design, challenges and developments for 5G massive MIMO antenna systems at sub 6-GHz band: a review

SK Ibrahim, MJ Singh, SS Al-Bawri, HH Ibrahim… - Nanomaterials, 2023 - mdpi.com
Massive multiple-input multiple-output (mMIMO) is a wireless access technique that has
been studied and investigated in response to the worldwide bandwidth demand in the …

[HTML][HTML] Compactness and performance enhancement techniques of ultra-wideband tapered slot antenna: A comprehensive review

S Saleh, MH Jamaluddin, F Razzaz, SM Saeed… - Alexandria Engineering …, 2023 - Elsevier
Higher performance, lower cost, and compact size antennas are important in today's
wireless communication system where everything is connected. Many approaches are …

A dual-loop antenna design for hepta-band WWAN/LTE metal-rimmed smartphone applications

YL Ban, YF Qiang, Z Chen, K Kang… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
A simple direct-fed dual-loop antenna capable of providing hepta-band WWAN/LTE
operation under surroundings of an unbroken metal rim in smartphone applications is …

A miniaturized metamaterial slot antenna for wireless applications

T Ali, AWM Saadh, RC Biradar, J Anguera… - … -International Journal of …, 2017 - Elsevier
A novel miniaturized five band metamaterial inspired slot antenna is reported. The proposed
design consists of a ring monopole and metamaterial Rectangular Complementary Split …

Machine learning‐enabled two‐port wideband MIMO hybrid rectangular dielectric resonator antenna for n261 5G NR millimeter wave

JK Rai, P Ranjan, S Kumar… - International Journal …, 2024 - Wiley Online Library
In this article, a two‐port multiple‐input multiple‐output (MIMO) hybrid rectangular dielectric
resonator antenna (DRA) with machine learning (ML) approach for the n261 5G New Radio …

Enhancing performance of millimeter wave MIMO antenna with a decoupling and common defected ground approach

P Tiwari, V Gahlaut, M Kaushik, A Shastri, V Arya… - Technologies, 2023 - mdpi.com
An approach is presented to enhance the isolation of a two-port Multiple Input Multiple
Output (MIMO) antenna using a decoupling structure and a common defected ground …

A compact and low-profile loop antenna with multiband operation for ultra-thin smartphones

D Wu, SW Cheung, TI Yuk - IEEE Transactions on Antennas …, 2015 - ieeexplore.ieee.org
A folded loop antenna having a very compact size of 5× 8× 60 mm 3 with multiband
operation for ultra-thin smartphone applications is proposed. The antenna generates four …

Hexagonal ring fractal antenna with dumb bell shaped defected ground structure for multiband wireless applications

R Mark, N Mishra, K Mandal, PP Sarkar… - AEU-International Journal …, 2018 - Elsevier
A compact hexagonal nested loop antenna with hexagon dumb bell shaped defected
ground structure is proposed for quad band wireless application. Effects of fractal iterations …

[HTML][HTML] Compact linearly polarized 5G Vivaldi non-uniform slot filtering antenna

S Saleh, N Timmons, J Morrison, W Ismail - Ain Shams Engineering Journal, 2024 - Elsevier
This research proposes compact linearly polarized 5G Vivaldi non-uniform slot filtering
antennas (VNSFAs) with stable radiation patterns and improved bandwidth (BW) and gain …

Bandwidth and radiation specifications enhancement of monopole antennas loaded with split ring resonators

M Alibakhshi‐Kenari… - IET Microwaves …, 2015 - Wiley Online Library
New broadband antennas loaded with split ring resonators (SRR) are proposed and
investigated. The results illustrate that by loading the conventional monopole antennas with …