Results 1 to 10 of about 36,643 (238)

Mitigating mutual coupling effects on circular polarization for improved bandwidth in MIMO systems: A novel approach [PDF]

Heliyon
An improved mutual coupling compensation in circularly polarized (CP) multi-input multi-output (MIMO) dielectric resonator antenna (DRA) is presented in this paper.
A. Ali, M.N.M. Yasin, I. Adam, A.M. Ismail, S.P. Jack, Abdullah Alghaihab, N.I.M. Nor, N.A.A. Rahman   +7 more
doaj   +2 more sources

Control of Mutual Coupling in Microstrip Antenna Design Based on Bio-inspired Algorithms [PDF]

Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2023
This paper presents a model that uses bio-inspired optimization algorithms to control of the mutual coupling (MC) in Multiple-Input Multiple-Output (MIMO) systems.
Israel Leal, Waslon Lopes, Marcelo Alencar, Wamberto Queiroz   +3 more
doaj   +1 more source

Impact of Mutual Coupling on Power-Domain Non-Orthogonal Multiple Access (NOMA)

IEEE Access, 2020
This paper investigates the impact of mutual coupling (MC) on the achievable sum-rate of power-domain non-orthogonal multiple access (NOMA) system in both uplink (UL) and downlink (DL) transmissions.
Nann Win Moe Thet, Sana Khan, Ercument Arvas, Mehmet Kemal Ozdemir   +3 more
doaj   +1 more source

Double-Coupling Resonant Network for Dynamic IPT Systems Used in EV Charging Applications

Energies, 2023
Dynamic inductive power transfer (DIPT) systems as well as static inductive power transfer (SIPT) systems are typically implemented with H-bridge inverters with resonant compensation networks to control and limit the charging current.
Valter S. Costa, André M. S. Mendes, Emanuel Marques, Marina S. Perdigão   +3 more
doaj   +1 more source

An Intelligent Deep Learning-Based Direction-of-Arrival Estimation Scheme Using Spherical Antenna Array With Unknown Mutual Coupling

IEEE Access, 2020
Spherical antenna array (SAA) has become highly attractive where hemispherical scan coverage is required as it can provide uniform directivity in all the scan directions.
Oluwole John Famoriji, Oludare Y. Ogundepo, Xiaokang Qi   +2 more
doaj   +1 more source

Characteristics of Channel Eigenvalues and Mutual Coupling Effects for Holographic Reconfigurable Intelligent Surfaces

Sensors, 2022
As a prospective key technology for the next-generation wireless communications, reconfigurable intelligent surfaces (RISs) have gained tremendous research interest in both the academia and industry in recent years.
Shu Sun, Meixia Tao
doaj   +1 more source

Robust Sparse Bayesian Learning Scheme for DOA Estimation with Non-Circular Sources

Mathematics, 2022
In this paper, a robust DOA estimation scheme based on sparse Bayesian learning (SBL) for non-circular signals in impulse noise and mutual coupling (MC) is proposed. Firstly, the Toeplitz property of the MC matrix is used to eliminate the effect of array
Linlu Jian, Xianpeng Wang, Jinmei Shi, Xiang Lan   +3 more
doaj   +1 more source

An Adaptive Control Strategy for Underwater Wireless Charging System Output Power with an Arc-Shaped Magnetic Core Structure

Journal of Marine Science and Engineering, 2023
Aiming at the problem of unstable output power of wireless charging systems for autonomous underwater vehicles (AUVs), a magnetic coupler (MC) with an arc-shaped core structure is introduced and an output power stabilization control strategy based on ...
Tao Xia, Xiaoliang Zhang, Zhiying Zhu, Haitao Yu, Hang Li   +4 more
doaj   +1 more source

Adaptive matching for compact MIMO systems [PDF]

, 2010
Compact MIMO systems using closely spaced antennas are faced with the well-known problem of antenna mutual coupling (MC) that can degrade the performance.
Mohammadkhani, R., Thompson, J.S.
core   +1 more source

Block Newtonised orthogonal matching pursuit for off‐grid DOA estimation in the presence of unknown mutual coupling

IET Signal Processing, 2021
Mutual coupling (MC) between array elements can lead to severe accuracy degradation in direction‐of‐arrival (DOA) estimation. In this study, an off‐grid compressed sensing (CS) approach for DOA estimation in the presence of unknown MC is proposed using ...
Wen‐Gen Tang, Hong Jiang, Qi Zhang
doaj   +1 more source