2 citations · 9 across the 25 of their papers we have counts for
27 papers
Secure Energy-Efficient Uplink Transmission in Movable-Element RIS-aided Systems with Movable Antennas and Artificial Noise
Ayda Nodel Hokmabadi, Mohamed Elhattab, Chadi Assi
Secure energy efficiency (SEE) has emerged as a key performance metric for next-generation wireless networks, where energy sustainability and information security must be jointly g…
Joint Beamforming and Antenna Placement Optimization in Pinching Antenna Systems with User Mobility: A Deep Reinforcement Learning Approach
Ali Amhaz, Mohamed Elhattab, Chadi Assi +1
Recently, the pinching antenna systems (PASS) have attracted significant attention due to their ability to exploit dynamically reconfigurable pinching points along waveguides for f…
Joint Energy Efficiency Optimization for Uplink Multiuser Movable Antenna-Based Wireless Systems Assisted by Movable-Element RIS
Ayda Nodel Hokmabadi, Mohamed Elhattab, Chadi Assi
This paper investigates energy efficiency (EE) optimization for an uplink multiuser system assisted by a movable-element reconfigurable intelligent surface (ME-RIS) and a base stat…
Joint Power Allocation and Radiation Optimization in NOMA-Assisted Pinching Antenna Systems
Nikoloz Vashakidze, Chadi Assi, Mohamed Elhattab +2
This paper explores a joint optimization of transmit power allocation and radiation coefficients in a downlink Pinching Antenna SyStem (PASS) employing Non-Orthogonal Multiple Acce…
Coordinated Multipoint Transmission in Pinching Antenna Systems
Ali Amhaz, Shreya Khisa, Mohamed Elhattab +2
We study a coordinated multi-point (CoMP) transmission where two base stations (BSs), each supported by a pinching antenna system (PASS), are deployed to jointly serve communicatio…
Joint Uplink and Downlink Resource Allocation and Antenna Activation for Pinching Antenna Systems
Shreya Khisa, Ali Amhaz, Mohamed Elhattab +2
In this paper, we explore a novel joint uplink and downlink framework utilizing a pinching antenna system (PASS). We consider two waveguides, one dedicated to transmission and one…
Meta-Learning-Driven Resource Optimization in Full-Duplex ISAC with Movable Antennas
Ali Amhaz, Shreya Khisa, Mohamed Elhattab +2
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 downli…
Meta-Learning Driven Movable-Antenna-assisted Full-Duplex RSMA for Multi-User Communication: Performance and Optimization
Shreya Khisa, Ali Amhaz, Mohamed Elhattab +2
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. Ho…
Enhancing CoMP-RSMA Performance with Movable Antennas: A Meta-Learning Optimization Framework
Ali Amhaz, Shreya Khisa, Mohamed Elhattab +2
This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission sch…
Movable Antennas in Wireless Systems: A Tool for Connectivity or a New Security Threat?
Youssef Maghrebi, Mohamed Elhattab, Chadi Assi +2
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, imp…
Gradient-Based Meta Learning for Uplink RSMA with Beyond Diagonal RIS
Shreya Khisa, Ali Amhaz, Mohamed Elhattab +2
Beyond diagonal reconfigurable intelligent surface (BD-RIS) has emerged as an innovative and generalized RIS framework that provides greater flexibility in wave manipulation and en…
Optimizing Downlink C-NOMA Transmission with Movable Antennas: A DDPG-based Approach
Ali Amhaz, Mohamed Elhattab, Chadi Assi +1
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 ch…
Optimizing Multi-User Uplink Cooperative Rate-Splitting Multiple Access: Efficient User Pairing and Resource Allocation
Shreya Khisa, Mohamad Elhattab, Chadi Assi +1
This paper investigates joint user pairing, power and time slot duration allocation in the uplink multiple-input single-output (MISO) multi-user cooperative rate-splitting multiple…
Coordinated Half-Duplex/Full-Duplex Cooperative Rate-Splitting Multiple Access in Multi-Cell Networks
Mohamed Elhattab, Shreya Khisa, Chadi Assi +3
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 (…
Reconfigurable Intelligent Surface (RIS)-Assisted Entanglement Distribution in FSO Quantum Networks
Mahdi Chehimi, Mohamed Elhattab, Walid Saad +4
Quantum networks (QNs) relying on free-space optical (FSO) quantum channels can support quantum applications in environments wherein establishing an optical fiber infrastructure is…
Multi-IRS Aided Mobile Edge Computing for High Reliability and Low Latency Services
Elie El Haber, Mohamed Elhattab, Chadi Assi +2
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 hig…
A Data-Driven Framework for Improving Public EV Charging Infrastructure: Modeling and Forecasting
Nassr Al-Dahabreh, Mohammad Ali Sayed, Khaled Sarieddine +4
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…
Optimizing Information Freshness Leveraging Multi-RISs in NOMA-based IoT Networks
Ali Muhammad, Mohamed Elhattab, Mohamed Amine Arfaoui +1
This paper investigates the benefits of integrating multiple reconfigurable intelligent surfaces (RISs) in enhancing the timeliness performance of uplink Internet-of-Things (IoT) n…
Energy Consumption Optimization in RIS-Assisted Cooperative RSMA Cellular Networks
Shreya Khisa, Mohamad Elhattab, Chadi Assi +1
This paper presents a downlink reconfigurable intelligent surface (RIS)-assisted half-duplex (HD) cooperative rate splitting multiple access (C-RSMA) networks. The proposed system…
On Optimizing the Power Allocation and the Decoding Order in Uplink Cooperative NOMA
Mohamed Elhattab, Mohamed Amine Arfaoui, Chadi Assi +2
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 multipl…
Optimizing Information Freshness in RIS-assisted NOMA-based IoT Networks
Ali Muhammad, Mohamed Elhattab, Mohamed Amine Arfaoui +1
This paper investigates the benefits of integrating reconfigurable intelligent surface (RIS) on minimizing the average sum age of information (AoI) in uplink non-orthogonal multipl…
Joint Resource Allocation and Phase Shift Optimization for RIS-Aided eMBB/URLLC Traffic Multiplexing
Mohammed AL-Mekhlafi, Mohamed Amine Arfaoui, Mohamed Elhattab +2
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…
RIS-Assisted UAV for Timely Data Collection in IoT Networks
Ahmed Al-Hilo, Moataz Samir, Mohamed Elhattab +2
Intelligent Transportation Systems are thriving thanks to a wide range of technological advances, namely 5G communications, Internet of Things, artificial intelligence and edge com…
Age of Information Optimization in a RIS-Assisted Wireless Network
Ali Muhammad, Mohamed Elhattab, Mohamed Amine Arfaoui +2
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 destinati…