Multibeam Antenna with Low Beam Squint for mm-Wave 5 G Handset Applications

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Compact Dual-Polarized Multibeam Switch Integrated Antenna System for 5G mm-Wave Applications

Amir Mohsen Ahmadi Najafabadi

In this paper, a novel microstrip, single-layer, Lshaped series fed antenna array, with 12 elements operating at 28 GHz, is proposed. The antenna can switch its beam in 8 different directions covering 4 different azimuthal Φ cuts; which is accomplished usi ...

2025

Hedgehog Shell: Multibeam DRA with 2-D Beamsteering for mm-Wave Applications

Anja Skrivervik, German Augusto Ramirez Arroyave, Amir Mohsen Ahmadi Najafabadi

This paper investigates a low-cost method to form a multibeam antenna with 2-D beamsteering capability. The simple feeding method employed in this solution enables the dielectric rod antennas to generate multiple beams in the intended direction simultaneou ...

2025

A mmWave Low Complexity and Low-Cost Super Wideband Dual-Polarized Aperture Coupled Antenna for 5G Applications

Anja Skrivervik

Advanced antenna system (AAS) is a viable option for 5G millimeter-wave (mmWave) applications. AAS single element is favored to be dual-polarized, wideband, high gain, and compact in order to be utilized for 5G antenna arrays. In this paper, a low complexi ...

Ieee-Inst Electrical Electronics Engineers Inc2024

Cavity-Mediated Coupling of Terahertz Antiferromagnetic Resonators

Jean-Philippe Ansermet, Marcin Bialek

Coupling of space-separated resonators is interesting for quantum and communication technologies. In this work, we show that antiferromagnetic resonance in separated parallel-plane slabs of hematite (alpha-Fe2O3) couple cooperatively to terahertz electroma ...

American Physical Society (APS)2023

Near-Field Dynamics of Optical Yagi-Uda Nanoantennas

Klaus Kern

We present near-field measurements of optical Yagi-Uda nanoantennas that are used in receiving mode. The eigenmode imaging of amplitude and phase by apertureless scanning near-field optical microscopy allows us to investigate the dynamics of the local out- ...

American Chemical Society (ACS)2011