Mohamed Elhattab
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View article: Joint Power Allocation and Radiation Optimization in NOMA-Assisted Pinching Antenna Systems
Joint Power Allocation and Radiation Optimization in NOMA-Assisted Pinching Antenna Systems Open
This paper explores a joint optimization of transmit power allocation and radiation coefficients in a downlink Pinching Antenna SyStem (PASS) employing Non-Orthogonal Multiple Access (NOMA). By leveraging the PASS-enabled flexible channel …
View article: Meta-Learning-Driven Resource Optimization in Full-Duplex ISAC with Movable Antennas
Meta-Learning-Driven Resource Optimization in Full-Duplex ISAC with Movable Antennas Open
This paper investigates a full-duplex (FD) scenario where a base station (BS) equipped with movable antennas (MAs) simultaneously provides communication services to a set of downlink (DL) and uplink (UL) users while also enabling sensing f…
View article: Meta-Learning Driven Movable-Antenna-assisted Full-Duplex RSMA for Multi-User Communication: Performance and Optimization
Meta-Learning Driven Movable-Antenna-assisted Full-Duplex RSMA for Multi-User Communication: Performance and Optimization Open
Full-duplex (FD) radios at base station (BS) have gained significant interest because of their ability to simultaneously transmit and receive signals on the same frequency band. However, FD communication is hindered by self-interference (S…
View article: Enhancing CoMP-RSMA Performance with Movable Antennas: A Meta-Learning Optimization Framework
Enhancing CoMP-RSMA Performance with Movable Antennas: A Meta-Learning Optimization Framework Open
This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission scheme, serve users equipped with movable antenna (MA) technol…
View article: Movable Antennas in Wireless Systems: A Tool for Connectivity or a New Security Threat?
Movable Antennas in Wireless Systems: A Tool for Connectivity or a New Security Threat? Open
The emergence of movable antenna (MA) technology has marked a significant advancement in the field of wireless communication research, paving the way for enhanced connectivity, improved signal quality, and adaptability across diverse envir…
View article: Gradient-Based Meta Learning for Uplink RSMA with Beyond Diagonal RIS
Gradient-Based Meta Learning for Uplink RSMA with Beyond Diagonal RIS Open
Beyond diagonal reconfigurable intelligent surface (BD-RIS) has emerged as an\ninnovative and generalized RIS framework that provides greater flexibility in\nwave manipulation and enhanced coverage. In comparison to conventional RIS,\nopti…
View article: Optimizing Downlink C-NOMA Transmission with Movable Antennas: A DDPG-based Approach
Optimizing Downlink C-NOMA Transmission with Movable Antennas: A DDPG-based Approach Open
This paper analyzes a downlink C-NOMA scenario where a base station (BS) is deployed to serve a pair of users equipped with movable antenna (MA) technology. The user with better channel conditions with the BS will be able to transmit the s…
View article: Coordinated Half-Duplex/Full-Duplex Cooperative Rate-Splitting Multiple Access in Multi-Cell Networks
Coordinated Half-Duplex/Full-Duplex Cooperative Rate-Splitting Multiple Access in Multi-Cell Networks Open
This paper explores downlink Cooperative Rate-Splitting Multiple Access (C-RSMA) in a multi-cell wireless network with the assistance of Joint-Transmission Coordinated Multipoint (JT-CoMP). In this network, each cell consists of a base sta…
View article: Reconfigurable Intelligent Surface (RIS)-Assisted Entanglement Distribution in FSO Quantum Networks
Reconfigurable Intelligent Surface (RIS)-Assisted Entanglement Distribution in FSO Quantum Networks Open
Quantum networks (QNs) relying on free-space optical (FSO) quantum channels can support quantum applications in environments wherein establishing an optical fiber infrastructure is challenging and costly. However, FSO-based QNs require a c…
View article: Multi-IRS Aided Mobile Edge Computing for High Reliability and Low Latency Services
Multi-IRS Aided Mobile Edge Computing for High Reliability and Low Latency Services Open
Although multi-access edge computing (MEC) has allowed for computation offloading at the network edge, weak wireless signals in the radio access network caused by obstacles and high network load are still preventing efficient edge computat…
View article: A Data-Driven Framework for Improving Public EV Charging Infrastructure: Modeling and Forecasting
A Data-Driven Framework for Improving Public EV Charging Infrastructure: Modeling and Forecasting Open
This work presents an investigation and assessment framework, which, supported by realistic data, aims at provisioning operators with in-depth insights into the consumer-perceived Quality-of-Experience (QoE) at public Electric Vehicle (EV)…
View article: Optimizing Information Freshness Leveraging Multi-RISs in NOMA-based IoT Networks
Optimizing Information Freshness Leveraging Multi-RISs in NOMA-based IoT Networks Open
This paper investigates the benefits of integrating multiple reconfigurable intelligent surfaces (RISs) in enhancing the timeliness performance of uplink Internet-of-Things (IoT) network, where IoT devices (IoTDs) upload their time-stamped…
View article: On Optimizing the Power Allocation and the Decoding Order in Uplink Cooperative NOMA
On Optimizing the Power Allocation and the Decoding Order in Uplink Cooperative NOMA Open
In this paper, we investigate for the first time the dynamic power allocation and decoding order at the base station (BS) of two-user uplink (UL) cooperative non-orthogonal multiple access (C-NOMA)-based cellular networks. In doing so, we …
View article: Optimizing Information Freshness in RIS-assisted NOMA-based IoT Networks
Optimizing Information Freshness in RIS-assisted NOMA-based IoT Networks Open
This paper investigates the benefits of integrating reconfigurable intelligent surface (RIS) on minimizing the average sum age of information (AoI) in uplink non-orthogonal multiple access-based Internet-of-Things (IoT) networks. In this s…
View article: Reconfigurable Intelligent Surface Enabled Vehicular Communication: Joint User Scheduling and Passive Beamforming
Reconfigurable Intelligent Surface Enabled Vehicular Communication: Joint User Scheduling and Passive Beamforming Open
Given its ability to control and manipulate wireless environments, reconfigurable intelligent surface (RIS), also known as intelligent reflecting surface (IRS), has emerged as a key enabler technology for the six-generation (6G) cellular n…
View article: Joint Resource Allocation and Phase Shift Optimization for RIS-Aided eMBB/URLLC Traffic Multiplexing
Joint Resource Allocation and Phase Shift Optimization for RIS-Aided eMBB/URLLC Traffic Multiplexing Open
This paper studies the coexistence of enhanced mobile broadband (eMBB) and ultra-reliable and low-latency communication (URLLC) services in a cellular network that is assisted by a reconfigurable intelligent surface (RIS). The system model…
View article: Reconfigurable Intelligent Surface Enabled Full-Duplex/Half-Duplex Cooperative Non-Orthogonal Multiple Access
Reconfigurable Intelligent Surface Enabled Full-Duplex/Half-Duplex Cooperative Non-Orthogonal Multiple Access Open
This paper investigates the downlink transmission of reconfigurable intelligent surface (RIS)-aided cooperative non-orthogonal-multiple-access (C-NOMA), where both half-duplex (HD) and full-duplex (FD) relaying modes are considered. The sy…
View article: Joint Resource Allocation and Phase Shift Optimization for RIS-Aided\n eMBB/URLLC Traffic Multiplexing
Joint Resource Allocation and Phase Shift Optimization for RIS-Aided\n eMBB/URLLC Traffic Multiplexing Open
This paper studies the coexistence of enhanced mobile broadband (eMBB) and\nultra-reliable and low-latency communication (URLLC) services in a cellular\nnetwork that is assisted by a reconfigurable intelligent surface (RIS). The\nsystem mo…
View article: ICCCN 2021 Technical Program
ICCCN 2021 Technical Program Open
View article: RIS-Assisted UAV for Timely Data Collection in IoT Networks
RIS-Assisted UAV for Timely Data Collection in IoT Networks Open
Intelligent Transportation Systems are thriving thanks to a wide range of technological advances, namely 5G communications, Internet of Things, artificial intelligence and edge computing. Central to this is the wide deployment of smart sen…
View article: Age of Information Optimization in a RIS-Assisted Wireless Network
Age of Information Optimization in a RIS-Assisted Wireless Network Open
In this paper, we consider a wireless network consisting of a base station (BS) that is serving multiple real-time traffic streams forwarding information updates to their destinations in order to sustain the freshness of information for ti…
View article: Optimizing Age of Information Through Aerial Reconfigurable Intelligent Surfaces: A Deep Reinforcement Learning Approach
Optimizing Age of Information Through Aerial Reconfigurable Intelligent Surfaces: A Deep Reinforcement Learning Approach Open
We investigate the benefits of integrating unmanned aerial vehicles (UAVs) with reconfigurable intelligent surface (RIS) elements to passively relay information sampled by Internet of Things devices (IoTDs) to the base station (BS). In ord…
View article: Reconfigurable Intelligent Surface Enabled Vehicular Communication:\n Joint User Scheduling and Passive Beamforming
Reconfigurable Intelligent Surface Enabled Vehicular Communication:\n Joint User Scheduling and Passive Beamforming Open
Given its ability to control and manipulate wireless environments,\nreconfigurable intelligent surface (RIS), also known as intelligent reflecting\nsurface (IRS), has emerged as a key enabler technology for the six-generation\n(6G) cellula…
View article: Reconfigurable Intelligent Surface Enabled Full-Duplex/Half-Duplex\n Cooperative Non-Orthogonal Multiple Access
Reconfigurable Intelligent Surface Enabled Full-Duplex/Half-Duplex\n Cooperative Non-Orthogonal Multiple Access Open
This paper investigates the downlink transmission of reconfigurable\nintelligent surface (RIS)-aided cooperative non-orthogonal-multiple-access\n(C-NOMA), where both half-duplex (HD) and full-duplex (FD) relaying modes are\nconsidered. The…
View article: Optimizing Age of Information Through Aerial Reconfigurable Intelligent\n Surfaces: A Deep Reinforcement Learning Approach
Optimizing Age of Information Through Aerial Reconfigurable Intelligent\n Surfaces: A Deep Reinforcement Learning Approach Open
We investigate the benefits of integrating unmanned aerial vehicles (UAVs)\nwith reconfigurable intelligent surface (RIS) elements to passively relay\ninformation sampled by Internet of Things devices (IoTDs) to the base station\n(BS). In …
View article: Energy‐efficient BBU pool virtualisation for C‐RAN with quality of service guarantees
Energy‐efficient BBU pool virtualisation for C‐RAN with quality of service guarantees Open
Cloud radio access network (C‐RAN) has been introduced as a promising network paradigm for improving the spectral and energy efficiency of next‐generation mobile systems. In C‐RAN, the computation resources of the centralised baseband unit…