Fluid antenna systems

KK Wong, A Shojaeifard, KF Tong… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Over the past decades, multiple antenna technologies have appeared in many different
forms, most notably as multiple-input multiple-output (MIMO), that have transformed wireless …

On the capacity of reconfigurable intelligent surface assisted MIMO symbiotic communications

J Ye, S Guo, S Dang, B Shihada… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Reconfigurable intelligent surfaces (RISs) appear as one of the most promising paradigms
for future wireless communications, because of their high adjustability for diverse …

Characteristic mode analysis of ESPAR for single-RF MIMO systems

Z Han, Y Zhang, S Shen, Y Li, CY Chiu… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
A systematic method based on the Theory of Characteristic Modes (TCM) for finding
orthogonal radiation patterns of any electronically steerable parasitic array radiator (ESPAR) …

Analog beamforming using ESPAR for single-RF precoding systems

C Zhang, S Shen, Z Han… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A novel analog beamforming technique that utilizes single radio frequency (single-RF)
electronically steerable parasitic array radiator (ESPAR) antennas is proposed. The ESPAR …

A pattern correlation decomposition method for analysis of ESPAR in single-RF MIMO systems

Z Han, S Shen, Y Zhang, CY Chiu… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A systematic and general method for obtaining orthogonal far-field radiation patterns using
any electronically steerable parasitic array radiator (ESPAR) embedded in a propagation …

Single-rf mimo-ofdm using espar

Z Han, S Shen, Y Zhang, S Tang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
A novel beamspace multiple-input multiple-output (MIMO) orthogonal frequency division
multiplexing (OFDM) transmission system using a single-radio-frequency (RF) electronically …

Beamspace MIMO transceivers for low-complexity and near-optimal communication at mm-wave frequencies

GH Song, J Brady, A Sayeed - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
Multiple-input multiple-output (MIMO) systems that exploit multi-antenna arrays and
millimeter-wave systems operating in the 30-300GHz band offer synergistic opportunities for …

MIMO over ESPAR with 16-QAM modulation

B Han, VI Barousis, CB Papadias… - IEEE Wireless …, 2013 - ieeexplore.ieee.org
MIMO systems have become an indispensable part of modern wireless standards, eg LTE
advanced. However, in applications with strict energy and size constraints, an alternative …

Efficient channel estimation for reconfigurable MIMO antennas: Training techniques and performance analysis

I Bahceci, M Hasan, TM Duman… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Multifunctional and reconfigurable multiple-input multiple-output (MR-MIMO) antennas are
capable of dynamically changing the operation frequencies, polarizations, and radiation …

Spectrally efficient pulse sha** for beamspace space shift keying in Single-RF ESPAR systems

Z Han, S Shen, Y Zhang, S Tang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A novel spectrally efficient pulse sha** technique for space shift keying (SSK) in single
radio frequency (single-RF) antenna systems is proposed. This technique is important since …