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Mostrando ítems 11-20 de 21
High-isolation antenna array using SIW and realized with a graphene layer for sub-terahertz wireless applications
(Nature Research, 2021)
info:eu-repo/semantics/article,
This paper presents the results of a study on developing an effective technique to increase the performance characteristics of antenna arrays for sub-THz integrated circuit applications. This is essential to compensate the ...
Antenna on chip (AoC) design using metasurface and SIW technologies for THz wireless applications
(MDPI, 2021)
info:eu-repo/semantics/article,
This paper presents the design of a high-performance 0.45-0.50 THz antenna on chip (AoC) for fabrication on a 100-micron GaAs substrate. The antenna is based on metasurface and substrate-integrated waveguide (SIW) technologies. ...
High-gain on-chip antenna design on silicon layer with aperture excitation for terahertz applications
(IEEE, 2020)
info:eu-repo/semantics/article,
This letter investigates the feasibility of designing a high gain on-chip antenna on silicon technology for subterahertz applications over a wide-frequency range. High gain is achieved by exciting the antenna using an ...
Towards environmental RF-EMF assessment of mmwave high-node density complex heterogeneous environments
(MDPI, 2021)
info:eu-repo/semantics/article,
The densification of multiple wireless communication systems that coexist nowadays, as well as the 5G new generation cellular systems advent towards the millimeter wave (mmWave) frequency range, give rise to complex ...
A metasurface-based single-layered compact AMC-backed dual-band antenna for off-body IoT devices
(IEEE, 2021)
info:eu-repo/semantics/article,
In this article, a compact printed monopole dual-band antenna using artificial magnetic conductor (AMC)-plane with improved gain and broader bandwidth, applicable for off-body internet of things (IoT) devices is presented. ...
Improved adaptive impedance matching for RF front-end systems of wireless transceivers
(Nature Research, 2020)
info:eu-repo/semantics/article,
In this paper an automatic adaptive antenna impedance tuning algorithm is presented that is based on quantum inspired genetic optimization technique. The proposed automatic quantum genetic algorithm (AQGA) is used to find ...
Study on improvement of the performance parameters of a novel 0.41–0.47 THz on-chip antenna based on metasurface concept realized on 50 μm GaAs-layer
(Nature Research, 2020)
info:eu-repo/semantics/article,
A feasibility study is presented on the performance parameters of a novel on-chip antenna based on metasurface technology at terahertz band. The proposed metasurface on-chip antenna is constructed on an electrically thin ...
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 ...
Dual-polarized highly folded bowtie antenna with slotted self-grounded structure for sub-6 GHz 5G applications
(IEEE, 2021)
info:eu-repo/semantics/article,
In this paper, a novel dual-polarized highly-folded self-grounded Bowtie antenna that is excited through I-shaped slots is proposed for applications in sub-6GHz 5G multiple-input-multiple-output (MIMO) antenna systems. The ...
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 ...