Precoding and Scheduling for AoI Minimization in MIMO Broadcast Channels

In this paper, we consider a status updating system where updates are generated at a constant rate at K sources and sent to the corresponding recipients through a noise-free broadcast channel. We assume that perfect channel state information (CSI) is available at the transmitter before each transm...

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Veröffentlicht in:	IEEE transactions on information theory 2022-08, Vol.68 (8), p.5185-5202
Hauptverfasser:	Feng, Songtao, Yang, Jing
Format:	Artikel
Sprache:	eng
Schlagworte:	Age of information (AoI) Antennas Broadcasting MIMO broadcast channel MIMO communication Minimization Optimization Precoding Receiving antennas Scheduling Symbols Throughput Transmitting antennas
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