Results 61 to 70 of about 2,779,889 (365)
A Metasurface-Based MIMO Antenna for 5G Millimeter-Wave Applications
IEEE Access, 2021 This work presents a 4-element multiple-input multiple-output (MIMO) antenna with a single layered metasurface array for fifth generation (5G) millimeter-Wave (mm-Wave) communication systems.
Saba Tariq +3 more
semanticscholar +1 more source
Nonlinearity and Noise Effects in Multi-level Signal Millimeter-Wave over Fiber Transmission using Single- and Dual-Wavelength Modulation [PDF]
, 2010 We transmit multilevel quadrature amplitude modulation (QAM) data-IEEE 802.16 schemes-at 20 MSps and an orthogonal frequency-division multiplexing (OFDM) 802.11 g signal (54 Mbps) with a 25 GHz millimeter-wave over fiber system, which employs a dual ...
Jeanne James +9 more
core +1 more source
Leida xuebao, 2018 Two important issues must be considered when modeling the terahertz (THz) wave scattering behavior using microwave EM methods. The first is the material response characteristics, including the metallic materials that may be beyond the scope of the Drude ...
Chen Hui +4 more
doaj +1 more source
Frontiers in Materials, 2022 Reconfigurable intelligent surfaces (RISs) have attracted extensive attention in recent years due to their strong ability to improve and customize electromagnetic wave propagation channels in wireless communications.
Jing Cheng Liang +4 more
doaj +1 more source
Microwave and Millimeter Wave Power Beaming
IEEE Journal of Microwaves, 2021 Power beaming is the efficient point-to-point transfer of electrical energy across free space by a directive electromagnetic beam. This paper clarifies the basic principles of power beaming in simple terms, and proposes a benchmarking methodology for ...
C. Rodenbeck +9 more
semanticscholar +1 more source
Cylindrical Three-Dimensional Millimeter-Wave Imaging via Compressive Sensing
International Journal of Antennas and Propagation, 2015 Millimeter-wave (MMW) imaging techniques have been used for the detection of concealed weapons and contraband carried by personnel. However, the future application of the new technology may be limited by its large number of antennas.
Guoqiang Zhao +4 more
doaj +1 more source
Minimal Rational Interpolation and its Application in Fast Broadband Simulation
IEEE Access, 2019 Broad bandwidth simulation in frequency domain benefits from fast frequency sweep, and frequency-domain electromagnetic solvers are usually combined with asymptotic wave evaluation or interpolation techniques.
Jun Wei Wu, Tie Jun Cui
doaj +1 more source
, 2007 Faraday rotators using permanently magnetized ferrite materials are used to make quasi-optical isolators and circulators at millimeter wave and sub-millimeter wave frequencies that have far higher performance than their waveguide equivalents.
Goy, P +7 more
core +1 more source
High-power photodiodes in millimeter-wave photonic systems
, 2022 Prather, Dennis W.Wireless links prioritize wide information bandwidths, carrier flexibility, and low size, weight, and power (SWaP). Demand for these characteristics is driven by the desire to deploy transmit and receive architectures almost anywhere ...
Carey, Victoria Ashley
core +1 more source
Representing Quantum Information with Digital Coding Metasurfaces
Advanced Science, 2020 With the development of science and technology, the way to represent information becomes more powerful and diversified. Recent research on digital coding metasurfaces has built an alternative bridge between wave‐behaviors and information science ...
Guo Dong Bai, Tie Jun Cui
doaj +1 more source