Multi-phantom SAR-assessed ultra-compact dual-band millimeter-wave (mmWave) antenna optimised for 5G smartphones. [PDF]
PLoS ONEThis paper presents an ultra-compact millimetre-wave antenna designed to support 28 GHz and 38 GHz 5G smartphone applications. To ensure safe and reliable integration, a comprehensive specific absorption rate (SAR) evaluation was carried out using three ...
A J A Al-Gburi
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Precise Mechanical Oscillator Design and Calibration for Characterising Sub-Millimetre Movements in mmWave Radar Systems [PDF]
SensorsFor many industrial and medical applications, measuring sub-millimetre movements has become crucial, for instance, for the precise guidance of surgical robots.
Felipe Parralejo +4 more
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Improving coverage of indoor millimetre wave systems using spherical reflectors
IET Microwaves, Antennas & PropagationThe increased demand for user device connectivity has led to spectral congestion which is driving exploration of higher frequency spectrum, such as millimetre wave frequencies.
Priya A. Qualtrough‐Mittal +2 more
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Inverse design and 3D printing of a multiport microwave power splitter: a scalable electromagnetic design framework [PDF]
Communications EngineeringMultiport microwave power splitters are key building blocks in high-frequency systems such as phased arrays, beamforming networks and measurement setups, but are usually designed using fixed circuit topologies that are difficult to adapt to many-port or ...
Saeed Zolfaghary Pour +3 more
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A non‐50 Ω‐RMCL transition designed for on‐chip measurement in the 0–170 GHz frequency range
IET Microwaves, Antennas & Propagation, 2023 The authors present the design of a rectangular micro‐coaxial line (RMCL) to ground‐to‐ground (GSG) probe pad transition for broadband millimetre‐wave (mmW) probe testing.
Qi Yuan +6 more
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Frequency and polarisation selective surface for sub‐millimetre wave atmospheric remote sensing
IET Microwaves, Antennas & Propagation, 2023 A novel Frequency and Polarisation Selective Surface (FPSS) is proposed, which separates two adjacent bands with a narrow transition zone by the staggered separation scheme and is suitable for atmospheric remote sensing.
Zhaoran Chen +7 more
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Modeling and Analytical Description of Parasitic Probe Effects in Measurements of Conductor-Backed Coplanar Waveguides [PDF]
Advances in Radio Science, 2023 On-wafer measurements are of fundamental importance to the characterization of active and passive devices at millimetre-wave frequencies. They have been commonly known to be ambitious and challenging due to the occurrence of parasitic effects originating
G. N. Phung, G. N. Phung, U. Arz
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Electronics Letters, 2023 An ultrashort H‐plane sheet beam traveling‐wave tube (SB‐TWT) coupler without transition structure is proposed. The coupler adopts a new idea of directly coupling the microwave from H‐plane of the slow‐wave circuit (SWC) and optimizes the matching by ...
Zheng Guo +3 more
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Light: Science & Applications, 2021 High-performance uncooled millimetre and terahertz wave detectors are required as a building block for a wide range of applications. The state-of-the-art technologies, however, are plagued by low sensitivity, narrow spectral bandwidth, and complicated ...
Jinchao Tong +5 more
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IET Radar, Sonar & Navigation, 2023 Chronic respiratory diseases, especially chronic obstructive pulmonary disease (COPD), have high morbidity and mortality worldwide. Spirometry is regarded as the gold standard for the diagnosis of COPD. However, conventional spirometry requires expensive
Wei Wang +8 more
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