To support the ever-increasing demand on connectivity and datarates, multiple beam
antennas are identified as a critical technology for the fifth generation (5G), the sixth …

Low-Earth Orbit User Segment in the Ku and Ka-Band Page 1 Heriot-Watt University
Research Gateway Low-Earth Orbit User Segment in the Ku and Ka-Band Citation for …

geodesic-lenses are a compelling alternative to traditional planar dielectric lens antennas,
as they are low loss and can be manufactured with a simple mechanical design. However, a …

Beamforming networks for multiple beam antennas are believed to be in the vanguard of
technological developments in mmWave for 5G wireless applications. The basic idea of …

This paper presents a low-cost, compact, multibeam planar antenna system with a wide
beam coverage angle at 28 GHz for 5G applications. The proposed microstrip based design …

Despite the rapidly increasing interest in analog multibeam antennas, there has been a lack
of systematic theoretical approaches to synthesizing circuit-type multiple beamforming …

Orthogonality in multibeam antennas is revisited. The difference between orthogonal
beamforming and zero-forced beamforming is highlighted. The intriguing relation between …

The quality control of 3D printed structures is significant for the reliability of additively
manufactured objects. A novel remote sensing technique for characterizing 3D printed …

Fifth-generation (and beyond) networks are characterized by ever more demanding
requirements in terms of speed, bandwidth, and number of servable users. Fast and reliable …

This article presents a compact broadband 16-way two-dimensional (2-D) Butler matrix (BM)-
based beamforming network (BFN) using multilayer substrate-integrated coaxial line (SICL) …