Effect of dielectric materials on integrated lens antenna for millimeter wave applications
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31676
Abstract: The effect of different dielectric materials on the performance of integrated lens antenna (ILA) operating in millimeter wave region (60 GHz) is presented. The ILA is composed of a rectangular microstrip antenna and an extended hemispherical… read more here.
Keywords: millimeter wave; extended hemispherical; integrated lens; effect ... See more keywords
Design of point focusing lens antenna for high‐temperature plasma diagnosis
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.32148
Abstract: A high temperature point focusing lens antenna was proposed in this article. The lens antenna mainly includes three parts: a point focusing lens, a feed source, and a support frame. The lens is made of… read more here.
Keywords: focusing lens; point focusing; high temperature; temperature ... See more keywords
Power Profile-Based Antenna Selection for Millimeter Wave MIMO With an All-Planar Lens Antenna Array
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3064950
Abstract: Lens antenna arrays can significantly reduce the number of radio frequency (RF) chains and provide a cost-effective beamforming approach to millimeter-wave massive multiple-input multiple-output (MIMO) systems. However, the presence of curved fronts has imposed practical… read more here.
Keywords: power profile; planar lens; lens antenna; millimeter wave ... See more keywords
Large-Aperture Metamaterial Lens Antenna for Multi-Layer MIMO Transmission for 6G
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3150037
Abstract: A metamaterial lens refers to a planar structure having multiple metamaterial unit cells capable of manipulating electromagnetic waves to improve antenna gains by changing their shape, geometry, size, or orientation. In this paper, we propose… read more here.
Keywords: metamaterial lens; aperture metamaterial; multi layer; lens antenna ... See more keywords
Energy and Spectral-Efficient Lens Antenna Subarray Design in MmWave MIMO Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3190866
Abstract: Lens antenna subarray (LAS) is one of the recently introduced technologies for future wireless networks that significantly improves the energy efficiency of multiple-input multiple-output (MIMO) systems while achieving higher spectral efficiency compared to single-lens MIMO… read more here.
Keywords: lens antenna; energy; antenna subarray; mimo systems ... See more keywords
Deep Learning-Aided Signal Enumeration for Lens Antenna Array
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3224608
Abstract: This work investigates a data-driven approach to detect the number of incoming signals for a lens antenna array (LAA). First, the energy-focusing property of an electromagnetic (EM) lens is utilized to generate an input spectrum,… read more here.
Keywords: lens antenna; spectrum; deep learning; signal enumeration ... See more keywords
Reduction of Surface Reflection on Dielectric Lens Antenna by Matching Periodic Square-Pillars in 300-GHz Band
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3239397
Abstract: This study proposes a dielectric lens antenna that implements an impedance matching layer comprising square-pillar periodic structures on the lens surface to reduce the surface reflection formed in the lens from a high-permittivity dielectric material.… read more here.
Keywords: surface reflection; lens antenna; surface; dielectric lens ... See more keywords
3D-Printed All-Metal Terahertz Multibeam Lens Antenna Based on Photonic Crystal
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3270706
Abstract: This paper presents a realization of a D- band multibeam lens antenna based on 3D printing. It extends all-metal Luneburg lens to terahertz band for the first time, and demonstrates the application potential of 3D-printed… read more here.
Keywords: multibeam lens; printed metal; antenna based; lens antenna ... See more keywords
An Axial Compression Planar Lens Antenna Based on Discrete Transformation Electromagnetics Using High-Impedance Surface Cells
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2019.2925074
Abstract: A two-dimensional (2-D) convex lens is reshaped and compressed into a 2-D flat lens with a compression ratio of 52.6% by discrete transformation electromagnetics. The single-layer high-impedance surface cells are used to fill with the… read more here.
Keywords: impedance; high impedance; planar lens; lens antenna ... See more keywords
High-Efficiency Metallic Elliptical Lens Antenna Based on Glide-Symmetric Nails Bed
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2021.3074817
Abstract: In this letter, a full-metallic 2-D elliptical lens antenna is introduced. Glide-symmetric nails bed structure is employed to mimic the dielectric properties of the lens. Despite discretized gradient refractive index lenses, the homogeneity of the… read more here.
Keywords: metallic elliptical; glide symmetric; symmetric nails; lens antenna ... See more keywords
A Parallel Plate Ultrawideband Multibeam Microwave Lens Antenna
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2018.2845548
Abstract: An ultrawideband multibeam microwave lens antenna operating from 8 to 18 GHz is proposed. The antenna consists of four excitation ports connected to a parallel plate waveguide filled with a cylindrical dielectric slab, which serves… read more here.
Keywords: multibeam microwave; parallel plate; lens antenna; microwave lens ... See more keywords