Controlling Depth Resolution of Phase Images by Ptychography using Achromatic Condition
Sign Up to like & getrecommendations! Published in 2020 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927620013860
Abstract: Owing to the development of aberration correctors in electron microscopy, lateral resolution (X-Y directions) has been improved down to ~40 pm in scanning transmission electron microscopy (STEM) [1]. Meanwhile the resolution in depth (Z) direction… read more here.
Keywords: resolution; microscopy; resolution phase; depth resolution ... See more keywords
Massive MIMO Hybrid Precoding for LEO Satellite Communications With Twin-Resolution Phase Shifters and Nonlinear Power Amplifiers
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3182757
Abstract: The massive multiple-input multiple-output (MIMO) transmission technology has recently attracted much attention in the non-geostationary, e.g., low earth orbit (LEO) satellite communication (SATCOM) systems since it can significantly improve the energy efficiency (EE) and spectral… read more here.
Keywords: twin resolution; leo satellite; resolution phase; power ... See more keywords
Energy-Efficient Analog Combiner Design Using Low-Resolution Phase Shifters and Antenna Selection for mmWave D2D Communications
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2020.3025055
Abstract: This study investigates the use of an analog combiner comprising low-resolution phase shifters (PSs) to suppress interference from other devices and improve the received signal power of interest in millimeter-wave device-to-device networks simultaneously. Unlike typical… read more here.
Keywords: analog; low resolution; resolution phase; analog combiner ... See more keywords
Full-Duplex mmWave MIMO with Finite-Resolution Phase Shifters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3171664
Abstract: Enabling simultaneous transmission and reception on the same carrier frequency, i.e., full-duplex (FD) communication, critically requires that the self-interference (SI) be sufficiently suppressed. We investigate the design of precoders and combiners for an FD millimeter… read more here.
Keywords: full duplex; finite resolution; resolution phase; phase ... See more keywords