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cs.IT2025
Status Updating with Time Stamp Errors
Md Nurul Absar Siddiky, Ahmed Arafa
A status updating system is considered in which multiple processes are sampled and transmitted through a shared channel. Each process has its dedicated server that processes its sa…
cs.IT2024
Age and Value of Information Optimization for Systems with Multi-Class Updates
Ahmed Arafa, Roy D. Yates
Received samples of a stochastic process are processed by a server for delivery as updates to a monitor. Each sample belongs to a class that specifies a distribution for its proces…
cs.IT2021
Spatiotemporal Analysis for Age of Information in Random Access Networks under Last-Come First-Serve with Replacement Protocol
Howard H. Yang, Ahmed Arafa, Tony Q. S. Quek +1
We investigate the age-of-information (AoI) in the context of random access networks, in which transmitters need to send a sequence of information packets to the intended receivers…