This paper studies the user scheduling problem in a multiuser multiple-input multi-output
(MIMO) status update system, in which multiple single-antenna devices aim to send their …

In this paper, we consider a multiuser uplink status update system, where a monitor aims to
timely collect randomly generated status updates from multiple end nodes through a shared …

Timely status updates are becoming more and more important in some future Internet of
Things (IoT) applications, such as unmanned driving and intelligent home. In this paper, we …

This paper considers a wireless network with a base station (BS) conducting timely
transmission to two clients in a slotted manner via hybrid non-orthogonal multiple access …

In a typical Internet of Things (IoT) application where a central controller collects status
updates from multiple terminals, eg, sensors and monitors, through a wireless multiaccess …

Being capable of characterizing the freshness of information, Age of Information (AoI) has
attracted much attention recently. To provide better real-time service over fading channels …

This paper considers a wireless uplink network consisting of multiple end devices and an
access point (AP). Each device monitors a physical process with randomly generated status …

Improving the information freshness is critical for the monitoring and controlling applications
in the cellular Internet of Things (IoT). In this paper, we are interested in optimizing the …

This paper considers a wireless network with a base station (BS) conducting timely status
updates to multiple clients via adaptive non-orthogonal multiple access (NOMA)/orthogonal …

In this work, we consider multiple internet-of-things devices (IoTDs) sensing and reporting
the status of a time-varying signal to a central node. We analytically compare the …