119 citations · 285 across the 92 of their papers we have counts for
37 papers · 1 filter
Resilient Energy Efficient Healthcare Monitoring Infrastructure with Server and Network Protection
Ida Syafiza M. Isa, Taisir E. H. El-Gorashi, Mohamed O. I. Musa +1
In this paper, a 1+1 server protection scheme is considered where two servers, a primary and a secondary processing server are used to serve ECG monitoring applications concurrentl…
Cloud Fog Architectures in 6G Networks
Barzan A. Yosuf, Amal A. Alahmadi, T. E. H. El-Gorashi +1
Prior to the advent of the cloud, storage and processing services were accommodated by specialized hardware, however, this approach introduced a number of challenges in terms of sc…
Optimizing Co-flows Scheduling and Routing in Data Centre Networks for Big Data Applications
Sanaa Hamid Mohamed, Ali Hammadi, Taisir E. H. El-Gorashi +1
This paper optimizes the scheduling and routing of the co-flows of MapReduce shuffling phase in state-of-the-art and proposed Passive Optical Networking (PON)-based Data Centre Net…
Resource Allocation in 6G Optical Wireless Systems
Osama Zwaid Alsulami, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
The abundant optical spectrum is a promising part of the electromagnetic spectrum for 6G communication systems. The visible light spectrum which is a part of the optical spectrum,…
Energy Efficient Fog based Healthcare Monitoring Infrastructure
Ida Syafiza M. Isa, Taisir E. H. El-Gorashi, Mohamed O. I. Musa +1
Recent advances in mobile technologies and cloud computing services have inspired the development of cloud-based real-time health monitoring systems. However, the transfer of healt…
Optimization of Processing Allocation in Vehicular Edge Cloud based Architecture
Amal A. Alahmadi, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
Vehicular edge computing is a new distributed processing architecture that exploits the revolution in the processing capabilities of vehicles to provide energy efficient services a…
Blackout Resilient Optical Core Network
Zaid H. Nasralla, Taisir E. H. Elgorashi, Jaafar M. H. Elmirghani
A disaster may not necessarily demolish the telecommunications infrastructure, but instead it might affect the national grid and cause blackouts, consequently disrupting the networ…
Energy Efficient Processing Allocation in Opportunistic Cloud-Fog-Vehicular Edge Cloud Architectures
Amal A. Alahmadi, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
This paper investigates distributed processing in Vehicular Edge Cloud (VECs), where a group of vehicles in a car park, at a charging station or at a road traffic intersection, clu…
Fogbanks: Future Dynamic Vehicular Fog Banks for Processing, Sensing and Storage in 6G
A. A. Alahmadi, M. O. I. Musa, T. E. H. El-Gorashi +8
Fixed edge processing has become a key feature of 5G networks, while playing a key role in reducing latency, improving energy efficiency and introducing flexible compute resource u…
VM placement over WDM-TDM AWGR PON Based Data Centre Architecture
Azza E. A. Eltraify, Sanaa Hamid Mohamed, Jaafar M. H. Elmirghani
Passive optical networks (PON) can play a vital role in data centres and access fog solutions by providing scalable, cost and energy efficient architectures. This paper proposes a…
Caching Video-on-Demand in Metro and Access Fog Data Centres
Wafaa B. M. Fadlelmula, Sanaa Hamid Mohamed, Taisir E. H. El-Gorashi +1
This paper examines the utilization of metro fog data centres and access fog datacentres with integrated solar cells and Energy Storage Devices (ESDs) to assist cloud data centres…
Evaluation of Applications Latency in Server Centric Passive Optical Network Based Data Centre Architectures
Azza E. A. Eltraify, Mohamed O. I. Musa, Ahmed Al-Quzweeni +1
The number of applications running in the cloud has dramatically increased in the past decade as well as the number of users accessing them. Data centres resources, architectures a…
NOMA Visible Light Communication System with Angle Diversity Receivers
Mansourah K. Aljohani, Osama Zwaid Alsulami, Khulood D. Alazwary +4
In this paper, a non-orthogonal multiple access (NOMA) visible light communication (VLC) system is investigated. The system uses angle diversity receivers (ADRs) to provide high da…
Impact of user distribution on optical wireless systems
Khulood D. Alazwary, Osama Zwaid Alsulami, Sarah O. M. Saeed +4
In this paper, we investigate the impact of user distribution on resource allocation in visible light communication (VLC) systems, using a wavelength division multiple access (WDMA…
Standards for Energy Efficient Virtualization, Content Distribution and Big Data in Beyond 5G Networks
Jaafar M. H. Elmirghani, Hatem Alharbi, Azza Eltraify +3
Power consumption in communication networks and the supporting computing systems continues to increase due to the increase in traffic and processing requirements, and due to the re…
Data center top of rack switch to multiple spine switches optical wireless uplinks
Abrar S. Alhazmi, Osama Zwaid Alsulami, T. E. H. El-Gorashi +2
Infrared (IR) uplinks can achieve high data rates, which are essential in a range of applications. This paper introduces a novel approach to enable data centre uplink communication…
Energy Efficient Neural Network Embedding in IoT over Passive Optical Networks
Mohammed Moawad Alenazi, Barzan A. Yosuf, Taisir El-Gorashi +1
In the near future, IoT based application services are anticipated to collect massive amounts of data on which complex and diverse tasks are expected to be performed. Machine learn…
PON-based connectivity for fog computing
Abdullah M. Alqahtani, Sanaa H. Mohamed, Taisir E. H. El-Gorashi +1
Fog computing plays a crucial role in satisfying the requirements of delay-sensitive applications such as connected vehicles, smart grids, and actuator networks by moving data proc…
Delay Adaptation Method for Relay Assisted Optical Wireless Systems
Yu Zeng, Sanaa Hamid Mohamed, T. E. H. El-Gorashi +1
In this paper, we investigate optical wireless repeaters as relay terminals between a transmitter and a user in an Infrared Optical Wireless Communication (IROWC) system. A delay a…
Resilience in Optical Wireless Systems
Sarah O. M. Saeed, Sanaa Hamid Mohamed, Osama Zwaid Alsulami +3
High reliability and availability of communication services is a key requirement that needs to be ensured by service providers. Since the direct line-of-sight (LOS) beam is prone t…
Energy Efficient Software Matching in Distributed Vehicular Fog Based Architecture with Cloud and Fixed Fog Nodes
Rui Ma, Amal A. Alahmadi, Taisir E. H. El-Gorashi +1
The rapid development of vehicles on-board units and the proliferation of autonomous vehicles in modern cities create a potential for a new fog computing paradigm, referred to as v…
Beam Blockage in Optical Wireless Systems
Sarah O. M. Saeed, Sanaa Hamid Mohamed, Osama Zwaid Alsulami +3
In this paper, we use the percentage blockage as a metric when an opaque disc obstructs the Line-of-Sight link from the access point to the receiver in an optical wireless indoor c…
Energy Efficient IoT Virtualization with Passive Optical Access Network
Zaineb T. Al-Azez, Ahmed Q. Lawey, Taisir E. H. El-Gorashi +1
In this paper, the energy efficiency of edge computing platforms for IoT networks connected to a passive optical network (PON) is investigated. We have developed a mixed integer li…
Resource Allocation in Co-existing Optical Wireless HetNets
Osama Zwaid Alsulami, Sarah O. M. Saeed, Sanaa Hamid Mohamed +3
In multi-user optical wireless communication (OWC) systems interference between users and cells can significantly affect the quality of OWC links. Thus, in this paper, a mixed-inte…