Abstract: Two-dimensional direction-of-arrival (2D-DOA) estimation plays a key role in array signal processing by providing accurate azimuth and elevation information. This full spatial awareness is ...

CIMC-Hexagon, a joint venture company between China’s CIMC Enric and Norway’s Hexagon Purus producing hydrogen cylinder and systems solutions for mobility and infrastructure applications, officially ...

Abstract: The contradiction between achievable sum rate enhancement and limited antenna aperture in base stations has prompted the exploration of the unconventional antenna architectures. We propose a ...

Advances in MMIC and RFIC technologies are driving 5G/6G and satellite communications with multi-band support, digital beamforming, and emerging sub-THz frequencies, while addressing key challenges in ...

SELECT map_subset(c0, c1) FROM ( VALUES ( MAP(ARRAY[ARRAY[1, 2]], ARRAY[1]), ARRAY[ARRAY[1, NULL], ARRAY[2, NULL]] ) ) t(c0, c1); returns "ARRAY comparison not ...

LEO constellation systems require electronically steered arrays at both ends of the link, with the payload particularly challenging because it operates in a power-limited environment. Learn how ...

A. Salmi, M. Capek, L. Jelinek, A. Lehtovuori, and V. Viikari, "Optimization of Embedded Element Patterns of Reactively Loaded Antenna Arrays," in Transactions on Antennas and Propagation, 2024 ...

School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China ...