Jaafar M. H. Elmirghani
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View article: Adaptive DRL for IRS Mirror Orientation in Dynamic OWC Networks
Adaptive DRL for IRS Mirror Orientation in Dynamic OWC Networks Open
Intelligent reflecting surfaces (IRSs) have emerged as a promising solution to mitigate line-of-sight (LoS) blockages and enhance signal coverage in optical wireless communication (OWC) systems with minimal additional power. In this work, …
View article: Predictive and Proactive Power Allocation For Energy Efficiency in Dynamic OWC Networks
Predictive and Proactive Power Allocation For Energy Efficiency in Dynamic OWC Networks Open
Driven by the exponential growth in data traffic and the limitations of Radio Frequency (RF) networks, Optical Wireless Communication (OWC) has emerged as a promising solution for high data rate communication. However, the inherently dynam…
View article: Two-Agent DRL for Power Allocation and IRS Orientation in Dynamic NOMA-based OWC Networks
Two-Agent DRL for Power Allocation and IRS Orientation in Dynamic NOMA-based OWC Networks Open
Intelligent reflecting surfaces (IRSs) technology has been considered a promising solution in visible light communication (VLC) systems due to its potential to overcome the line-of-sight (LoS) blockage issue and enhance coverage. Moreover,…
View article: LiDAL-Assisted RLNC-NOMA in OWC Systems
LiDAL-Assisted RLNC-NOMA in OWC Systems Open
Optical wireless communication (OWC) is envisioned as a key enabler for immersive indoor data transmission in future wireless communication networks. However, multi-user interference management arises as a challenge in dense indoor OWC sys…
View article: Fully printed doped vanadium dioxide (M) nanoparticles-based temperature sensor with enhanced sensitivity for reliable environmental monitoring using packaging strategy
Fully printed doped vanadium dioxide (M) nanoparticles-based temperature sensor with enhanced sensitivity for reliable environmental monitoring using packaging strategy Open
Global warming events worldwide have made temperature a crucial aspect of environmental monitoring. However, large-scale deployment of environmental temperature sensors to achieve high-resolution and real-time temperature mapping requires …
View article: ANN-Driven Adaptive Power Allocation for OWC
ANN-Driven Adaptive Power Allocation for OWC Open
Vertical-cavity surface-emitting lasers (VCSELs) have gained popularity in Optical Wireless Communication (OWC) due to their high bandwidth and directional beam compared to Light-emitting diodes (LEDs). In this work, we explore the deploym…
View article: Energy Efficient AR/VR Edge Processing: Architecture and Optimization
Energy Efficient AR/VR Edge Processing: Architecture and Optimization Open
This article introduces a server-centric cellular Passive Optical Network (C-PON) architecture to support the deployment of Augmented Reality (AR)/ Virtual Reality (VR) event viewing applications in edge data centers. The proposed architec…
View article: Reinforcement Learning for Rate Maximization in IRS-aided OWC Networks
Reinforcement Learning for Rate Maximization in IRS-aided OWC Networks Open
Optical wireless communication (OWC) is envisioned as one of the main enabling technologies of 6G networks, complementing radio frequency (RF) systems to provide high data rates. One of the crucial issues in indoor OWC is service interrupt…
View article: Energy-efficient Functional Split in Non-terrestrial Open Radio Access Networks
Energy-efficient Functional Split in Non-terrestrial Open Radio Access Networks Open
This paper investigates the integration of Open Radio Access Network (O-RAN) within non-terrestrial networks (NTN), and optimizing the dynamic functional split between Centralized Units (CU) and Distributed Units (DU) for enhanced energy e…
View article: Resilience in PON-based data centre architectures with two-tier cascaded AWGRs
Resilience in PON-based data centre architectures with two-tier cascaded AWGRs Open
This paper investigates the performance of a two-tier AWGR-based Passive Optical Network (PON) data centre architecture against an AWGR-based PON data centre architecture by considering various scenarios involving link failures to evaluate…
View article: Energy Efficient Service Placement for IoT Networks
Energy Efficient Service Placement for IoT Networks Open
In recent years, there has been a significant expansion in the Internet of Things (IoT), with a growing number of devices being connected to the internet. This has led to an increase in data collection and analysis as well as the developme…
View article: Access-Point to Access-Point Connectivity for PON-based OWC Spine and Leaf Data Centre Architecture
Access-Point to Access-Point Connectivity for PON-based OWC Spine and Leaf Data Centre Architecture Open
In this paper, we propose incorporating Optical Wireless Communication (OWC) and Passive Optical Network (PON) technologies into next generation spine-and-leaf Data Centre Networks (DCNs). In this work, OWC systems are used to connect the …
View article: A Novel Terabit Grid-of-Beam Optical Wireless Multi-User Access Network with Beam Clustering
A Novel Terabit Grid-of-Beam Optical Wireless Multi-User Access Network with Beam Clustering Open
In this paper, we put forward a proof of concept for sixth generation (6G) Terabit infrared (IR) laser-based indoor optical wireless networks. We propose a novel double-tier access point (AP) architecture based on an array of arrays of ver…
View article: Intelligent Reflecting Surfaces assisted Laser-based Optical Wireless Communication Networks
Intelligent Reflecting Surfaces assisted Laser-based Optical Wireless Communication Networks Open
The increasing demand for wireless networks of higher capacity requires key-enabling technologies. Optical wireless communication (OWC) arises as a complementary technology to radio frequency (RF) systems that can support high aggregate da…
View article: Indoor Laser-Based Wireless Communications
Indoor Laser-Based Wireless Communications Open
Optical wireless communication (OWC) is a strong candidate in the sixth generation (6G) of wireless communications as it can support data transmission at high communication speeds, low power consumption, high security, and high reliability…
View article: Resilient Energy Efficient IoT Infrastructure With Server and Network Protection for Healthcare Monitoring Applications
Resilient Energy Efficient IoT Infrastructure With Server and Network Protection for Healthcare Monitoring Applications Open
Fog computing has been introduced to extend the cloud services by bringing the services near to the user’s proximity. However, the distributed location of the fog servers requires a proper management to ensure the network to provide a serv…
View article: Design and Optimization of High-Speed Receivers for 6G Optical Wireless Networks
Design and Optimization of High-Speed Receivers for 6G Optical Wireless Networks Open
To achieve multi-Gb/s data rates in 6G optical wireless access networks based on narrow infrared (IR) laser beams, a high-speed receiver with two key specifications is needed: a sufficiently large aperture to collect the required optical p…
View article: Terabit Indoor Laser-Based Wireless Communications: Lifi 2.0 For 6G
Terabit Indoor Laser-Based Wireless Communications: Lifi 2.0 For 6G Open
This article introduces the general concepts of light fidelity (LiFi) 2.0 for sixth generation (6G) of wireless networks that will be based on indoor laser-based wireless networks capable of achieving aggregate data-rates of terabits per s…
View article: Deep Learning-based Power Allocation in Rate Splitting Optical Wireless Networks
Deep Learning-based Power Allocation in Rate Splitting Optical Wireless Networks Open
Optical wireless communication (OWC) provides high aggregate data rates in the range of Terabits per second (Tb/s). Specifically, OWC using infrared lasers as transmitters has been considered as a strong candidate in the next generation of…
View article: WDM/TDM over Passive Optical Networks with Cascaded-AWGRs for Data Centers
WDM/TDM over Passive Optical Networks with Cascaded-AWGRs for Data Centers Open
Data centers based on Passive Optical Networks (PONs) can provide high capacity, low cost, scalability, elasticity and high energy-efficiency. This paper introduces the use of WDM-TDM multiple access in a PON-based data center that offers …
View article: Random Linear Network Coding for Non-Orthogonal Multiple Access in Multicast Optical Wireless Systems
Random Linear Network Coding for Non-Orthogonal Multiple Access in Multicast Optical Wireless Systems Open
Optical Wireless Communication networks (OWC) has emerged as a promising technology that enables high-speed and reliable communication bandwidth for a variety of applications. In this work, we investigated applying Random Linear Network Co…
View article: Relay Assisted Multiuser OWC Systems under Human Blockage
Relay Assisted Multiuser OWC Systems under Human Blockage Open
This paper proposes using cooperative communication based on optoelectronic (O-E-O) amplify-and-forward relay terminals to reduce the influence of the blockage and shadowing resulting from human movement in a beam steering Optical Wireless…
View article: Energy Efficient Resource Allocation for Demand Intensive Applications in a VLC Based Fog Architecture
Energy Efficient Resource Allocation for Demand Intensive Applications in a VLC Based Fog Architecture Open
In this paper, we propose an energy efficient passive optical network (PON) architecture for backhaul connectivity in indoor visible light communication (VLC) systems. The proposed network is used to support a fog computing architecture de…
View article: Multiuser beam steering OWC system based on NOMA
Multiuser beam steering OWC system based on NOMA Open
In this paper, we propose applying Non-Orthogonal Multiple Access (NOMA) technology in a multiuser beam steering OWC system. We study the performance of the NOMA-based multiuser beam steering system in terms of the achievable rate and Bit …
View article: AI-Driven Resource Allocation in Optical Wireless Communication Systems
AI-Driven Resource Allocation in Optical Wireless Communication Systems Open
Visible light communication (VLC) is a promising solution to satisfy the extreme demands of emerging applications. VLC offers bandwidth that is orders of magnitude higher than what is offered by the radio spectrum, hence making best use of…
View article: Energy Efficient Laser-Based Optical Wireless Communication Networks
Energy Efficient Laser-Based Optical Wireless Communication Networks Open
Rising data demands are a growing concern globally. The task at hand is to evolve current communication networks to support enhanced data rates while maintaining low latency, energy consumption and costs. To meet the above challenge, Optic…
View article: Rate Splitting for 6G Optical Wireless Networks
Rate Splitting for 6G Optical Wireless Networks Open
This paper evaluates the performance of rate splitting (RS), a robust interference management scheme, in an optical wireless communication (OWC) network that uses infrared lasers referred to as vertical-cavity surface-emitting lasers (VCSE…
View article: Resource Allocation in IRS-aided Optical Wireless Communication Systems
Resource Allocation in IRS-aided Optical Wireless Communication Systems Open
One of the main challenges facing optical wireless communication (OWC) systems is service disconnection in high blockage probability scenarios where users might lose the line of sight (LoS) connection with their corresponding access points…
View article: Cooperative Artificial Neural Networks for Rate-Maximization in Optical Wireless Networks
Cooperative Artificial Neural Networks for Rate-Maximization in Optical Wireless Networks Open
Recently, Optical wireless communication (OWC) have been considered as a key element in the next generation of wireless communications due to its potential in supporting unprecedented communication speeds. In this paper, infrared lasers re…
View article: Design and Optimisation of High-Speed Receivers for 6G Optical Wireless Networks
Design and Optimisation of High-Speed Receivers for 6G Optical Wireless Networks Open
To achieve multi-Gb/s data rates in 6G optical wireless access networks based on narrow infrared (IR) laser beams, a high-speed receiver with two key specifications is needed: a sufficiently large aperture to collect the required optical p…