Electronically steered metasurface antenna
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-83377-9
Abstract: Mobile devices, climate science, and autonomous vehicles all require advanced microwave antennas for imaging, radar, and wireless communications. We propose a waveguide-fed metasurface antenna architecture that enables electronic beamsteering from a lightweight circuit board with… read more here.
Keywords: steered metasurface; metasurface; antenna; metasurface antenna ... See more keywords
Detecting Motion in a Room Using a Dynamic Metasurface Antenna
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3043206
Abstract: Sensing motion and distinguishing its source as human or nonhuman, with high precision, has tremendous applications in a variety of areas from health monitoring to energy efficiency. One strategy to achieve this goal is to… read more here.
Keywords: metasurface antenna; dynamic metasurface; hardware; motion ... See more keywords
Broadband Metasurface Antenna Using Hexagonal Loop-Shaped Unit Cells
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.3043656
Abstract: A broadband metasurface antenna with a novel hexagonal loop-shaped unit cell structure is presented. A hexagonal loop element array is proposed as the main metasurface radiator, which is aperture-fed through a microstrip line and a… read more here.
Keywords: hexagonal loop; metasurface antenna; broadband metasurface; unit ... See more keywords
Dual-Polarization Printed Holographic Multibeam Metasurface Antenna
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2017.2743710
Abstract: Multibeam antennas have emerged as a promising concept for applications where selective beam coverage is required. Multibeam radiation can be achieved leveraging the concept of metasurfaces, enabling the radiated wavefronts to be tailored in an… read more here.
Keywords: multibeam radiation; metasurface antenna; dual polarization; multibeam ... See more keywords
Compact High-Gain Metasurface Antenna Arrays Based on Higher-Mode SIW Cavities
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2851659
Abstract: This communication presents novel compact linearly/circularly polarized metasurface antenna arrays based on higher mode substrate integrated waveguide cavities. The linearly polarized antenna is realized by an array of patch cells with similar TM resonant modes… read more here.
Keywords: circularly polarized; antenna arrays; higher mode; metasurface ... See more keywords
Analytic Model of a Coax-Fed Planar Cavity-Backed Metasurface Antenna for Pattern Synthesis
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2920258
Abstract: We present an analytic model of a coax-fed planar cavity-backed metasurface antenna for radiation pattern synthesis. The metasurface antenna consists of a printed cavity loaded with metamaterial elements which is excited by a coaxial connector.… read more here.
Keywords: metasurface antenna; cavity backed; metasurface; model ... See more keywords
Miniature Wideband Non-Uniform Metasurface Antenna Using Equivalent Circuit Model
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2957971
Abstract: A miniaturized wideband non-uniform metasurface antenna is proposed and analyzed using an equivalent circuit model. The non-uniform metasurface consists of an array of rectangular metallic patches separated by varying gaps. The effects of the varying… read more here.
Keywords: metasurface antenna; metasurface; inline formula; non uniform ... See more keywords
Grating lobe suppression in metasurface antenna arrays with a waveguide feed layer.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.398440
Abstract: Metasurface antennas offer an alternative architecture to electrically large beamsteering arrays often used in radar and communications. The advantages offered by metasurfaces are enabled by the use of passive, tunable radiating elements. While these metamaterial… read more here.
Keywords: feed layer; metasurface antenna; antenna arrays; metasurface ... See more keywords
A Small-Divergence-Angle Orbital Angular Momentum Metasurface Antenna
Sign Up to like & getrecommendations! Published in 2019 at "Research"
DOI: 10.34133/2019/9686213
Abstract: Electromagnetic waves carrying an orbital angular momentum (OAM) are of great interest. However, most OAM antennas present disadvantages such as a complicated structure, low efficiency, and large divergence angle, which prevents their practical applications. So… read more here.
Keywords: divergence; small divergence; divergence angle; metasurface antenna ... See more keywords