Results 101 to 110 of about 85,381 (188)

Low-overhead millimeter wave beam training based on block-controlled reconfigurable intelligent surface

open access: yesTongxin xuebao
To address the issues of high overhead in channel state information acquisition and complex optimization of reflection phase shifts in large-scale reconfigurable intelligent surface (RIS)-assisted millimeter-wave communication systems, a low-overhead ...
CHEN Weicong   +4 more
doaj  

Neural Codebook Design for Network Beam Management

open access: yes
Obtaining accurate and timely channel state information (CSI) is a fundamental challenge for large antenna systems. Mobile systems like 5G use a beam management framework that joins the initial access, beamforming, CSI acquisition, and data transmission.
Dreifuerst, Ryan M., Heath Jr, Robert W.
openaire   +1 more source

Barriers and facilitators to implementing a shared decision-making tool for anticoagulant-related drug-drug interactions: a qualitative study across three academic medical centres in the USA. [PDF]

open access: yesBMJ Open
Becker RA   +14 more
europepmc   +1 more source

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