Continuous Aperture Array (CAPA)-Based Secure Wireless Communications
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2025.3604315
Abstract: A continuous aperture array (CAPA)-based secure communication system is investigated, where a base station (BS) equipped with a CAPA transmits signals to a legitimate user under the existence of an eavesdropper. For improving the secrecy… read more here.
Keywords: aperture array; capa based; based secure; array capa ... See more keywords
Deep Learning for Beamforming in Multi-User Continuous Aperture Array Systems
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2025.3633569
Abstract: A DeepCAPA (Deep Learning for Continuous Aperture Array (CAPA)) framework is proposed to learn beamforming in CAPA systems. The beamforming optimization problem is first formulated, and it is mathematically proved that the optimal beamforming lies… read more here.
Keywords: deep learning; aperture array; array systems; array ... See more keywords
Improving real-time ultrasound spine imaging with a large-aperture array
Sign Up to like & getrecommendations! Published in 2025 at "Science Advances"
DOI: 10.1126/sciadv.adw2601
Abstract: Ultrasound offers a safe, low-cost alternative to computed tomography (CT) and magnetic resonance imaging for spinal diagnostics and intervention by enabling real-time imaging. However, the complex structure of the spine and acoustic shadowing from bones… read more here.
Keywords: aperture array; aperture; real time; spine ... See more keywords
AN ANALYTICAL HYBRID MODEL FOR THE SHIELDING EFFECTIVENESS EVALUATION OF A DUAL-CAVITY STRUCTURE WITH AN APERTURE ARRAY
Sign Up to like & getrecommendations! Published in 2020 at "Progress in Electromagnetics Research Letters"
DOI: 10.2528/pierl20033101
Abstract: Rectangular dual-cavity structure is usually used to improve the shielding efficiency of a shielding chamber or to avoid the interference among the internal electronic components of the system. In order to simplify the estimation of… read more here.
Keywords: dual cavity; cavity; model; aperture array ... See more keywords
Compact Full Ka-Band Waveguide Directional Coupler Based on Rectangular Aperture Array with Stairs
Sign Up to like & getrecommendations! Published in 2021 at "Micromachines"
DOI: 10.3390/mi12070745
Abstract: This article presents a compact 3 dB waveguide directional coupler with full waveguide bandwidth. It consists of a pair of rectangular waveguides with stairs structures in the coupling region. The waveguides are placed parallel to… read more here.
Keywords: coupler; waveguide directional; directional coupler; aperture array ... See more keywords