Simple and efficient decoupling of compact arrays with parasitic scatterers

BK Lau, JB Andersen - IEEE Transactions on Antennas and …, 2011 - ieeexplore.ieee.org
Compact arrays such as multiple antennas on a mobile terminal suffer from low efficiency
and high correlation between antenna signals. In the present paper, a simple and rigorous …

A decoupling and matching network design for single-and dual-band two-element antenna arrays

KD Xu, H Luyen, N Behdad - IEEE Transactions on Microwave …, 2020 - ieeexplore.ieee.org
This article presents a new decoupling and matching network (DMN) design for symmetric,
single-and dual-band two-element antenna arrays. The DMNs use parallel-line-based …

Antennas in cellular phones for mobile communications

Z Ying - Proceedings of the IEEE, 2012 - ieeexplore.ieee.org
The mobile industry has experienced a dramatic growth; it evolves from analog to digital 2G
(GSM), then to high date rate cellular wireless communication such as 3G (WCDMA), and …

A superdirective beamforming approach with impedance coupling and field coupling for compact antenna arrays

L Han, H Yin, M Gao, J Xie - IEEE Open Journal of the …, 2024 - ieeexplore.ieee.org
In most multiple-input multiple-output (MIMO) communication systems, antennas are spaced
at least half a wavelength apart to reduce mutual coupling. In this configuration, the …

Frequency reconfigurable multiband handset antenna based on a multichannel transceiver

JM Hannula, T Saarinen, J Holopainen… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
The upcoming standards of wireless communications result in additional and more stringent
requirements for antennas in mobile phones. In this paper, we present a …

Tunable decoupling and matching network for diversity enhancement of closely spaced antennas

X Tang, K Mouthaan, JC Coetzee - IEEE Antennas and …, 2012 - ieeexplore.ieee.org
A tunable decoupling and matching network (DMN) for a two-element closely spaced
antenna array is presented. The DMN achieves perfect matching for the eigenmodes of the …

Unbroken metal rim MIMO antenna utilizing antenna clusters

R Luomaniemi, JM Hannula… - IEEE Antennas and …, 2019 - ieeexplore.ieee.org
This letter presents an antenna system for mobile devices with an unbroken metal rim. By
utilizing the characteristic mode analysis for the unbroken metal rim, efficient multiple-input …

Systematic design of large-scale multiport decoupling networks

D Nie, BM Hochwald, E Stauffer - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In radio-frequency systems that drive coupled dissipative loads, the matching network
between the amplifiers and their loads needs to account for the coupling. With N amplifiers …

Tunable eight‐element MIMO antenna based on the antenna cluster concept

JM Hannula, TO Saarinen, A Lehtovuori… - IET Microwaves …, 2019 - Wiley Online Library
Realising capacity demands of future wireless communications require improved spectral
efficiency in the sub‐6 GHz frequency bands. This study proposes a novel eight‐element …

Comparison of compact monopole antenna arrays with eigenmode excitation and multiport conjugate matching

K Wang, L Li, TF Eibert - IEEE Transactions on Antennas and …, 2013 - ieeexplore.ieee.org
The compactness of antenna arrays is highly restricted due to the mutual coupling between
the radiation elements, which degrades the performance of impedance matching, radiation …