Compressive Beam and Channel Tracking With Reconfigurable Hybrid Beamforming in mmWave MIMO OFDM Systems
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3202160
Abstract: An efficient beam and channel acquisition and tracking scheme is developed under a reconfigurable hybrid beamforming (R-HBF) architecture for wideband millimeter wave (mmWave) multiple input multiple output (MIMO) systems. Under such an R-HBF, a hierarchical… read more here.
Keywords: channel; beam; beam channel; mmwave mimo ... See more keywords
Design and Analysis of a Reconfigurable Hybrid Robot for Machining of Large Workpieces
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Mechanisms and Robotics"
DOI: 10.1115/1.4062607
Abstract: Large workpieces are important components of core equipment in aerospace and other fields, where the machining mainly focuses on the surfaces and inner cavities. However, there are no machining robots that can not only achieve… read more here.
Keywords: hybrid robot; rhr; machining large; large workpieces ... See more keywords