Buscar
Mostrando ítems 31-36 de 36
Metasurface-based wideband MIMO antenna for 5G millimeter-wave systems
(Institute of Electrical and Electronics Engineers Inc., 2021)
Artículo / Artikulua,
This paper presents a metasurface based multiple-input multiple-output (MIMO) antenna with a wideband operation for millimeter-wave 5G communication systems. The antenna system consists of four elements placed with a 90 ...
A comprehensive survey of 'metamaterial transmission-line based antennas: design, challenges, and applications'
(IEEE, 2020)
info:eu-repo/semantics/article,
In this review paper, a comprehensive study on the concept, theory, and applications of composite right/left-handed transmission lines (CRLH-TLs) by considering their use in antenna system designs have been provided. It ...
A compact CPW-fed ultra-wideband multi-input-multi-output (mimo) antenna for wireless communication networks
(IEEE, 2022)
Artículo / Artikulua,
In this article, a compact coplanar waveguide (CPW) technique based ultra-wideband multiple-input-multiple-output (MIMO) antenna is proposed. The design is characterized by a broad impedance bandwidth starting from 3 GHz ...
A frequency reconfigurable compact planar inverted-F antenna for portable devices
(Hindawi, 2022)
Artículo / Artikulua,
In this paper, a low-profile, compact size, inexpensive, and easily integrable frequency reconfigurable antenna system is proposed. The proposed antenna consists of an inverted-F shape antenna, capacitors, and switching ...
High-gain metasurface in polyimide on-chip antenna based on CRLH-TL for sub-terahertz integrated circuits
(Nature Research, 2020)
info:eu-repo/semantics/article,
This paper presents a novel on-chip antenna using standard CMOS-technology based on metasurface implemented on two-layers polyimide substrates with a thickness of 500 μm. The aluminium ground-plane with thickness of 3 μm ...
Precoded large scale multi-user-MIMO system using likelihood ascent search for signal detection
(Wiley, 2022)
Artículo / Artikulua,
Multiple antennas at each user equipment (UE) and/or thousands of antennas at the base station (BS) comprise the extremely spectrum efficient large scale multi-user multiple input multiple output system (BS). Due to space ...