Results 31 to 40 of about 4,005,914 (318)
IEEE Access, 2018 Virtual antenna arrays are versatile and cost-effective tools for millimeter-wave channel characterization. Massive sampling of the channel in space with virtual antenna arrays enables high spatial resolution in channel sounding. In this paper, a uniform
Allan Wainaina Mbugua +3 more
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Radio Frequency Link and User Selection Algorithm for 5G Mobile Communication System
Complexity, 2021 Based on the millimetre-wave time-domain channel detector, this paper conducts channel measurement and modelling for different scenarios and antenna types in typical frequency bands and thus carries out a study on the propagation characteristics of ...
Zhengnan Lv, Zhenghao Xi
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IEEE Access, 2016 Lifetime is a critical parameter in ubiquitous, battery-operated sensors for machine-to-machine (M2M) communication systems, an emerging part of the future Internet of Things. In this paper, the performance of radio frequency (RF) to DC energy converters
Michael A. Andersson +5 more
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Analysis of Simulated and Measured Indoor Channels for mm-Wave Beamforming Applications
International Journal of Antennas and Propagation, 2018 Ray tracing- (RT-) assisted beamforming, where beams are directly steered to dominant paths tracked by ray tracing simulations, is a promising beamforming strategy, since it avoids the time-consuming exhaustive beam searching adopted in conventional beam
Anders Karstensen +4 more
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Design and development of broadband gap waveguide‐based 0‐dB couplers for Ka‐band applications
IET Microwaves, Antennas & Propagation, 2022 The design and fabrication of a wideband millimetre‐wave 0‐dB coupler is proposed in this paper using gap waveguide technology for low‐loss and high‐power applications in 30‐GHz frequency band.
Davoud Zarifi +2 more
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Experimental Characterization of Millimeter-Wave Indoor Propagation Channels at 28 GHz
IEEE Access, 2018 The increasing requirement for the mobile data traffic accelerates the research of millimeterwave (mm-wave) for future wireless systems. Accurate characterization of the mm-wave propagation channel is fundamental and essential for the system design and ...
Guojin Zhang +6 more
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Journal of Infrared, Millimeter and Terahertz Waves, 2020 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 implementation for millimetre ...
Muhammad Alibakhshikenari +7 more
semanticscholar +1 more source
A Broadband Quasi-optical System for Measuring the Dielectric Properties in the Terahertz Band
Leida xuebao, 2018 To fulfill the requirements of the dielectric property measurement in the terahertz band, herein, a broadband quasi-optical system was designed and verified utilizing a planar scanning system.
Liu Xiaoming +5 more
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Applied Sciences, 2020 The future evolution of wireless networks, throughout the 5G era and beyond, will require the expansion and augmentation of millimetre-wave systems for both terrestrial and satellite communications.
Devika Dass +3 more
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Heartbeat information prediction based on transformer model using millimetre‐wave radar
IET Biometrics, 2023 Millimetre‐wave radar offers high ranging accuracy and can capture subtle vibration information of the human heart. This study proposes a heartbeat prediction method based on the transformer model using millimetre‐wave radar. Firstly, the millimetre‐wave
Bojun Hu +5 more
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