255 citations · 332 across the 16 of their papers we have counts for
20 papers
Online Learning for Optimizing AoI-Energy Tradeoff under Unknown Channel Statistics
Mohamed A. Abd-Elmagid, Ming Shi, Eylem Ekici +1
We consider a real-time monitoring system where a source node (with energy limitations) aims to keep the information status at a destination node as fresh as possible by scheduling…
Robust Optimization of RIS in Terahertz under Extreme Molecular Re-radiation Manifestations
Anish Pradhan, Mohamed A. Abd-Elmagid, Harpreet S. Dhillon +1
Terahertz (THz) communication signals are susceptible to severe degradation because of the molecular interaction with the atmosphere in the form of subsequent absorption and re-rad…
Joint Distribution of Ages of Information in Networks
Mohamed A. Abd-Elmagid, Harpreet S. Dhillon
We study a general setting of status updating systems in which a set of source nodes provide status updates about some physical process(es) to a set of monitors. The freshness of i…
Age of Information in Multi-source Updating Systems Powered by Energy Harvesting
Mohamed A. Abd-Elmagid, Harpreet S. Dhillon
This paper considers a multi-source real-time updating system in which an energy harvesting (EH)-powered transmitter node has multiple sources generating status updates about sever…
Closed-form Characterization of the MGF of AoI in Energy Harvesting Status Update Systems
Mohamed A. Abd-Elmagid, Harpreet S. Dhillon
This paper considers a real-time status update system in which an energy harvesting (EH)-powered transmitter node observes some physical process, and sends its sensed measurements…
Neural Combinatorial Deep Reinforcement Learning for Age-optimal Joint Trajectory and Scheduling Design in UAV-assisted Networks
Aidin Ferdowsi, Mohamed A. Abd-Elmagid, Walid Saad +1
In this paper, an unmanned aerial vehicle (UAV)-assisted wireless network is considered in which a battery-constrained UAV is assumed to move towards energy-constrained ground node…
AoI-optimal Joint Sampling and Updating for Wireless Powered Communication Systems
Mohamed A. Abd-Elmagid, Harpreet S. Dhillon, Nikolaos Pappas
This paper characterizes the structure of the Age of Information (AoI)-optimal policy in wireless powered communication systems while accounting for the time and energy costs of ge…
Spatial Distribution of the Mean Peak Age of Information in Wireless Networks
Praful D. Mankar, Mohamed A. Abd-Elmagid, Harpreet S. Dhillon
This paper considers a large-scale wireless network consisting of source-destination (SD) pairs, where the sources send time-sensitive information, termed status updates, to their…
Throughput and Age of Information in a Cellular-based IoT Network
Praful D. Mankar, Zheng Chen, Mohamed A. Abd-Elmagid +2
This paper studies the interplay between device-to-device (D2D) communications and real-time monitoring systems in a cellular-based Internet of Things (IoT) network. In particular,…
A Reinforcement Learning Framework for Optimizing Age-of-Information in RF-powered Communication Systems
Mohamed A. Abd-Elmagid, Harpreet S. Dhillon, Nikolaos Pappas
In this paper, we study a real-time monitoring system in which multiple source nodes are responsible for sending update packets to a common destination node in order to maintain th…
Deep Reinforcement Learning for Minimizing Age-of-Information in UAV-assisted Networks
Mohamed A. Abd-Elmagid, Aidin Ferdowsi, Harpreet S. Dhillon +1
Unmanned aerial vehicles (UAVs) are expected to be a key component of the next-generation wireless systems. Due to their deployment flexibility, UAVs are being considered as an eff…
On the Role of Age of Information in the Internet of Things
Mohamed A. Abd-Elmagid, Nikolaos Pappas, Harpreet S. Dhillon
In this article, we provide an accessible introduction to the emerging idea of Age of Information (AoI) that quantifies freshness of information and explore its possible role in th…
Towards Optimal Resource Allocation in Wireless Powered Communication Networks with Non-Orthogonal Multiple Access
Mariam M. N. Aboelwafa, Mohamed A. Abd-Elmagid, Alessandro Biason +3
The optimal allocation of time and energy resources is characterized in a Wireless Powered Communication Network (WPCN) with non-Orthogonal Multiple Access (NOMA). We consider two…
Joint Energy and SINR Coverage in Spatially Clustered RF-powered IoT Network
Mohamed A. Abd-Elmagid, Mustafa A. Kishk, Harpreet S. Dhillon
Owing to the ubiquitous availability of radio-frequency (RF) signals, RF energy harvesting is emerging as an appealing solution for powering IoT devices. In this paper, we model an…
Average Peak Age-of-Information Minimization in UAV-assisted IoT Networks
Mohamed A. Abd-Elmagid, Harpreet S. Dhillon
Motivated by the need to ensure timely delivery of information (e.g., status updates) in the Internet-of-things (IoT) paradigm, this paper investigates the role of an Unmanned aeri…
Stable Throughput of Cooperative Cognitive Networks with Energy Harvesting: Finite Relay Buffer and Finite Battery Capacity
Mohamed A. Abd-Elmagid, Tamer ElBatt, Karim G. Seddik +1
This paper studies a generic model for cooperative cognitive radio networks where the secondary user is equipped with a finite relay queue as well as a finite battery queue. Our pr…
Non-Orthogonal Multiple Access Schemes in Wireless Powered Communication Networks
Mohamed A. Abd-Elmagid, Alessandro Biason, Tamer ElBatt +2
We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setu…
Cache-Aided Heterogeneous Networks: Coverage and Delay Analysis
Mohamed A. Abd-Elmagid, Ozgur Ercetin, Tamer ElBatt
This paper characterizes the performance of a generic -tier cache-aided heterogeneous network (CHN), in which the base stations (BSs) across tiers differ in terms of their spati…
On Optimal Policies in Full-Duplex Wireless Powered Communication Networks
Mohamed A. Abd-Elmagid, Alessandro Biason, Tamer ElBatt +2
The optimal resource allocation scheme in a full-duplex Wireless Powered Communication Network (WPCN) composed of one Access Point (AP) and two wireless devices is analyzed and der…
Optimization of Energy-Constrained Wireless Powered Communication Networks with Heterogeneous Nodes
Mohamed A. Abd-Elmagid, Tamer ElBatt, Karim G. Seddik
In this paper, we study wireless networks where nodes have two energy sources, namely a battery and radio frequency (RF) energy harvesting circuitry. We formulate two optimization…