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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 ...
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 ...
Broadband 3-D shared aperture high isolation nine-element antenna array for on-demand millimeter-wave 5G applications
(Elsevier, 2022)
Artículo / Artikulua,
The paper presents the results of a novel 3-D shared aperture 3 × 3 matrix antenna-array for 26
GHz band 5 G wireless networks. Radiation elements constituting the array are hexagonal-shaped
patches that are elevated ...
Optical-microwave sensor for real-time measurement of water contamination in oil derivatives
(Elsevier, 2023)
Artículo / Artikulua,
This paper presents a novel microwave sensor using optical activation for measuring in real-time the water
contamination in crude oil or its derivatives. The sensor is constructed from an end-coupled microstrip resonator
that ...
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 ...
Optimum power transfer in RF front end systems using adaptive impedance matching technique
(Nature Research, 2021)
Artículo / Artikulua,
Matching the antenna’s impedance to the RF-front-end of a wireless communications system is challenging as the impedance varies with its surround environment. Autonomously matching the antenna to the RF-front-end is therefore ...
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 ...
Study on isolation improvement between closely-packed patch antenna arrays based on fractal metamaterial electromagnetic bandgap structures
(Institution of Engineering and Technology, 2018)
info:eu-repo/semantics/article,
A decoupling metamaterial (MTM) configuration based on fractal electromagnetic-bandgap (EMBG) structure is shown to significantly enhance isolation between transmitting and receiving antenna elements in a closely-packed ...
Study on antenna mutual coupling suppression using integrated metasurface isolator for SAR and MIMO applications
(IEEE, 2018)
info:eu-repo/semantics/conferenceObject,
A metasurface based decoupling structure that is composed of a square-wave slot pattern with exaggerated corners that is implemented on a rectangular microstrip provides high-isolation between adjacent patch antennas for ...
Mutual-coupling reduction in metamaterial substrate integrated waveguide slotted antenna arrays using metal fence isolators for SAR and MIMO applications
(IEEE, 2018)
info:eu-repo/semantics/conferenceObject,
A new type of mutual coupling reduction technique is applied to metamaterial substrate integrated waveguide (SIW) slotted antenna array. The circular shaped reference SIW antenna array is constructed from Alumina substrate ...