Buscar
Mostrando ítems 11-20 de 24
A comprehensive survey on "Various decoupling mechanisms with focus on metamaterial and metasurface principles applicable to SAR and MIMO antenna systems"
(IEEE, 2020)
Artículo / Artikulua,
Nowadays synthetic aperture radar (SAR) and multiple-input-multiple-output (MIMO)
antenna systems with the capability to radiate waves in more than one pattern and polarization are playing a
key role in modern telecommunication ...
Novel concentric hexagonal-shaped RFID tag antenna with T-shaped stub matching
(IEEE, 2021)
info:eu-repo/semantics/article,
This paper presents a unique concentric hexagonal-shaped ring antenna for radio frequency identification (RFID) tags. The rings are excited with a common microstrip feedline. The radiation characteristics of the antenna ...
Miniaturization trends in substrate integrated waveguide (SIW) filters: a review
(IEEE, 2020)
info:eu-repo/semantics/article,
This review provides an overview of the technological advancements and miniaturization trends in Substrate Integrated Waveguide (SIW) filters. SIW is an emerging planar waveguide structure for the transmission of electromagnetic ...
Study on on-chip antenna design based on metamaterial-inspired and substrate-integrated waveguide properties for millimetre-wave and THz integrated-circuit applications
(Springer, 2021)
info:eu-repo/semantics/article,
This paper presents the results of a study on improving the performance parameters such as the impedance bandwidth, radiation gain and efficiency, as well as suppressing substrate loss of an innovative antenna for on-chip ...
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 ...
Metamaterial-inspired antenna array for application in microwave breast imaging systems for tumor detection
(IEEE, 2020)
info:eu-repo/semantics/article,
This paper presents a study of a planar antenna-array inspired by the metamaterial concept where the resonant elements have sub-wavelength dimensions for application in microwave medical imaging systems for detecting tumors ...
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 ...
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 ...
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 ...