119 citations · 285 across the 92 of their papers we have counts for
18 papers · 1 filter
Optical Wireless Communication Systems, A Survey
Osama Alsulami, Ahmed Taha Hussein, Mohammed T. Alresheedi +1
In the past few years, the demand for high data rate services has increased dramatically. The congestion in the radio frequency (RF) spectrum (3 kHz ~ 300 GHz) is expected to limit…
Greening Big Data Networks: The Impact of Veracity
Ali M. Al-Salim, Taisir E. H. El-Gorashi, Ahmed Q. Lawey +1
The continuous increase in big data applications, in number and types, creates new challenges that should be tackled by the green ICT community. Big data is mainly characterized by…
Optimized Energy Aware 5G Network Function Virtualization
Ahmed N. Al-Quzweeni, Ahmed Q. Lawey, Taisir E. H. Elgorashi +1
In this paper, network function virtualization (NFV) is identified as a promising key technology that can contribute to energy-efficiency improvement in 5G networks. an optical net…
Energy Efficient IoT Virtualization Framework with Peer to Peer Networking and Processing
Zaineb T. Al-Azez, Ahmed Q. Lawey, Taisir E. H. El-Gorashi +1
In this paper, an energy efficient IoT virtualization framework with P2P networking and edge computing is proposed. In this network, the IoT task processing requests are served by…
Multi-branch Transmitter for Indoor Visible Light Communication Systems
Safwan Hafeedh Younus, Aubida A. Al-Hameed, Jaafar M. H. Elmirghani
One of the main aims of indoor visible light communication (VLC) systems is to deliver a high data rate service in single user and in multiuser scenarios. A key obstacle is the abi…
VLC Systems with CGHs
Safwan Hafeedh Younus, Ahmed Taha Hussein, Mohammed T. Alresheedi +1
The achievable data rate in indoor wireless systems that employ visible light communication (VLC) can be limited by multipath propagation. Here, we use computer generated holograms…
Patient-Centric Cellular Networks Optimization using Big Data Analytics
Mohammed S. Hadi, Ahmed Q. Lawey, Taisir E. H. El-Gorashi +1
Big data analytics is one of the state-of-the-art tools to optimize networks and transform them from merely being a blind tube that conveys data, into a cognitive, conscious, and s…
WDM for Multi-user Indoor VLC Systems with SCM
Safwan Hafeedh Younus, Aubida A. Al-Hameed, Ahmed Taha Hussein +2
A system that employs wavelength division multiplexing (WDM) in conjunction with subcarrier multiplexing (SCM) tones is proposed to realize high data rate multi-user indoor visible…
Subcarrier Multiplexing for Parallel Data Transmission in Indoor Visible Light Communication Systems
Safwan Hafeedh Younus, Aubida A. Al-Hameed, Ahmed Taha Hussein +2
This paper presents an indoor visible light communication (VLC) system in conjunction with an imaging receiver with parallel data transmission (spatial multiplexing) to decrease th…
Experimental Evaluation of Passive Optical Network Based Data Centre Architecture
AEA Eltraify, M. Musa, A. Al-Quzweeni +1
Passive optical networks (PON) technology is increasingly becoming an attractive solution in modern data centres as it provides energy efficient, high capacity, low cost, scalable…
Energy Efficient Service Distribution in Internet of Things
Barzan Yosuf, Mohamed Musa, Taisir Elgorashi +2
The Internet of Things (IoT) networks are expected to involve myriad of devices, ranging from simple sensors to powerful single board computers and smart phones. The great advancem…
Energy Efficiency of Fog Computing Health Monitoring Applications
Ida Syafiza M. Isa, Mohamed O. I. Musa, Taisir E. H. El-Gorashi +2
Fog computing offers a scalable and effective solution to overcome the increasing processing and networking demands of Internet of Thing (IoT) devices. In this paper, we investigat…
Impact of Link Failures on the Performance of MapReduce in Data Center Networks
Sanaa Hamid Mohamed, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
In this paper, we utilize Mixed Integer Linear Programming (MILP) models to determine the impact of link failures on the performance of shuffling operations in MapReduce when diffe…
On Energy Efficiency of Networks for Composable Datacentre Infrastructures
Opeyemi O. Ajibola, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
This paper evaluates the optimal scale of datacentre (DC) resource disaggregation for composable DC infrastructures and investigates the impact of present day silicon photonics tec…
Energy Efficiency of Server-Centric PON Data Center Architecture for Fog Computing
Sanaa Hamid Mohamed, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
In this paper, we utilize Mixed Integer Linear Programming (MILP) models to compare the energy efficiency and performance of a server-centric Passive Optical Networks (PON)-based d…
Real-time Emissions of Telecom Core Networks
Hatem A. Alharbi, Mohamed Musa, Taisir E. H. El-Gorashi +1
This paper focuses on investigating the direct and life cycle assessment (LCA) emissions in core networks, considering British telecom (BT) core network as a case study. We found t…
Bounds for Energy-Efficient Survivable IP Over WDM Networks With Network Coding
Mohamed Musa, Taisir Elgorashi, Jaafar Elmirghani
In this work, we establish analytic bounds for the energy efficiency of 1 + 1 survivable IP over WDM networks using network coding. The analytic bounds are shown to be in close agr…
Big Data Analytics for Wireless and Wired Network Design: A Survey
Mohammed S. Hadi, Ahmed Q. Lawey, Taisir E. H. El-Gorashi +1
Currently, the world is witnessing a mounting avalanche of data due to the increasing number of mobile network subscribers, Internet websites, and online services. This trend is co…