Multiple input multiple output (MIMO) and fifth generation (5G): An indispensable technology for sub-6 GHz and millimeter wave future generation mobile terminal …

I Ishteyaq, K Muzaffar - International Journal of Microwave and …, 2022 - cambridge.org
The in-depth exploration in the future 5G technology symbolizes a revolution in technology
for antenna designers to encounter the all time increasing need as well as demand for …

User influence on mobile terminal antennas: A review of challenges and potential solution for 5G antennas

R Khan, AA Al-Hadi, PJ Soh, MR Kamarudin… - IEEE …, 2018 - ieeexplore.ieee.org
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 …

A Study on EMF Exposure Assessments With Different Metrics for User Equipment Antennas at 6 and 10 GHz

SS Zhekov, M Yao, C Di Paola, B Xu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
User equipment (UE) needs to comply with regulations limiting the exposure of the human
body to electromagnetic fields (EMFs). In this article, three exposure metrics, including …

Dielectric properties of human hand tissue for handheld devices testing

SS Zhekov, O Franek, GF Pedersen - Ieee Access, 2019 - ieeexplore.ieee.org
The operation of antennas deployed in mobile terminals is affected by the presence of
human tissue in their near-field region. Therefore, testing the antenna performance, when …

Performance study of a MIMO mobile terminal with upto 18 elements operating in the sub-6 GHz 5G band with user hand

AM Elshirkasi, AA Al-Hadi, PJ Soh, MF Mansor… - IEEE …, 2020 - ieeexplore.ieee.org
This paper investigates the performance variation when a different number of antenna
elements (AEs) is integrated onto a single MIMO mobile terminal, both in free space and …

Effect of dielectric properties of human hand tissue on mobile terminal antenna performance

SS Zhekov, GF Pedersen - 2020 14th European Conference …, 2020 - ieeexplore.ieee.org
A good approach when designing antennas for mobile terminals is to optimize them for
operation in the vicinity of the user body. The presence of a lossy human tissue in the …

Experimental evaluation of modular antenna arrays at 28 GHz under the presence of human body

L Vähä-Savo - 2019 - aaltodoc.aalto.fi
The goal of this thesis is to develop and test an experimental method for characterising
antenna arrays for mobile phones at 28 GHz under the presence of the user. Previous …

Mobile Phased Antenna Array@ 6 GHz with Digitally Tunable Capacitor Phase Shifters

C Di Paola, SC Del Barrio, S Zhang… - 2019 13th European …, 2019 - ieeexplore.ieee.org
This paper evaluates the performance of the digitally tunable capacitor phase shifter,
mounted on a phased antenna array, in the frequency range from 5 to 6 GHz. It is based on …

Maximal Ratio Combining Gain of Dual-Band MIMO Antenna for Sub-6 GHz in the Vicinity of User's Hand and Different Elements Configurations

AM Elshirkasi, AA Al-Hadi, R Khan… - 2019 IEEE Asia …, 2019 - ieeexplore.ieee.org
This paper presents results of maximal ratio combining (MRC) technique of dual-band 4-
element MIMO antenna with user's hand in data mode and different placements of antenna …

A Study of Antenna Elements Configuration and User's Hand Effects on a Four-Element Dual-Band Sub-6 GHz MIMO Antenna

AM Elshirkasi, AA Al-Hadi, MF Mansor, PJ Soh… - Progress In …, 2019 - jpier.org
This paper evaluates the performance of different configurations of MIMO antenna operating
in the 5G band with the effect of user's hand in data mode and suggests an optimized …