activity
20122023
most citedTimely Updates in Energy Harvesting Two-hop Networks: Offline and Online Policies

81 citations · 153 across the 23 of their papers we have counts for

collaborators
Showing 2019Show all

7 papers · 1 filter

cs.IT2019

Age-Based Scheduling Policy for Federated Learning in Mobile Edge Networks

Howard H. Yang, Ahmed Arafa, Tony Q. S. Quek +1

Federated learning (FL) is a machine learning model that preserves data privacy in the training process. Specifically, FL brings the model directly to the user equipments (UEs) for…

cs.IT2019

Locally Adaptive Scheduling Policy for Optimizing Information Freshness in Wireless Networks

Howard H. Yang, Ahmed Arafa, Tony Q. S. Quek +1

Optimization of information freshness in wireless networks has usually been performed based on queueing analysis that captures only the temporal traffic dynamics associated with th…

cs.IT2019

Timely Cloud Computing: Preemption and Waiting

Ahmed Arafa, Roy D. Yates, H. Vincent Poor

The notion of timely status updating is investigated in the context of cloud computing. Measurements of a time-varying process of interest are acquired by a sensor node, and upload…

cs.IT2019

On Timely Channel Coding with Hybrid ARQ

Ahmed Arafa, Karim Banawan, Karim G. Seddik +1

A status updating communication system is examined, in which a transmitter communicates with a receiver over a noisy channel. The goal is to realize timely delivery of fresh data o…

cs.NI2019

How to Price Fresh Data

Meng Zhang, Ahmed Arafa, Jianwei Huang +1

We introduce the concept of a fresh data market, in which a destination user requests, and pays for, fresh data updates from a source provider. Data freshness is captured by the {\…

cs.IT2019★ 10 cited

Interplay Between NOMA and Other Emerging Technologies: A Survey

Mojtaba Vaezi, Gayan Amarasuriya, Yuanwei Liu +3

Non-orthogonal multiple access (NOMA) has been widely recognized as a promising way to scale up the number of users, enhance the spectral efficiency, and improve the user fairness…