no code implementations • 5 Apr 2024 • Hossein Kazemi, Elham Sarbazi, Michael Crisp, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani, Richard V. Penty, Ian H. White, Majid Safari, Harald Haas
In this paper, we put forward a proof of concept for sixth generation (6G) Terabit infrared (IR) laser-based indoor optical wireless networks.
no code implementations • 2 Apr 2024 • Ahrar N. Hamad, Walter Zibusiso Ncube, Ahmad Adnan Qidan, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
Optical wireless communication (OWC) arises as a complementary technology to radio frequency (RF) systems that can support high aggregate data rates.
no code implementations • 17 Jul 2023 • Khulood D. Alazwary, Ahmad Adnan Qidan, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
In RS, the transmitted power is allocated to different messages, common and private messages, serving multiple users simultaneously, where each user can decode the desired message following a certain procedure.
no code implementations • 10 Apr 2023 • Y. Zeng, Sanaa H. Mohamed, Ahmad Qidan, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
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 Communication (OWC) system.
no code implementations • 10 Apr 2023 • Y. Zeng, Sanaa H. Mohamed, Ahmad Qidan, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
We study the performance of the NOMA-based multiuser beam steering system in terms of the achievable rate and Bit Error Rate (BER).
no code implementations • 8 Apr 2023 • Abdelrahman S. Elgamal, Osama Z. Aletri, Barzan A. Yosuf, Ahmad Adnan Qidan, Taisir El-Gorashi, Jaafar M. H. Elmirghani
Visible light communication (VLC) is a promising solution to satisfy the extreme demands of emerging applications.
no code implementations • 7 Apr 2023 • Walter Zibusiso Ncube, Ahmad Adnan Qidan, Taisir El-Gorashi, Jaafar M. H. Elmirghani
Rising data demands are a growing concern globally.
no code implementations • 6 Apr 2023 • Khulood D. Alazwary, Ahmad Adnan Qidan, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
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 (VCSELs) as optical transmitters.
no code implementations • 3 Apr 2023 • Ahrar N. Hamad, Ahmad Adnan Qidan, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
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 (APs).
no code implementations • 19 Jan 2023 • Ahmad Adnan Qidan, Taisir El-Gorashi, Jaafar M. H. Elmirghani
Therefore, practical solutions with low computational time are essential to cope with frequent updates in user-requirements that might occur.
no code implementations • 23 Jul 2022 • Ahmad Adnan Qidan, Khulood Alazwary, Taisir El-Gorashi, Majid Safari, Harald Haas, Richard V. Penty, Ian H. White, Jaafar M. H. Elmirghani
Rate splitting (RS) is proposed as a transmission scheme to serve multiple users simultaneously by splitting the message of a given user into common and private messages, and then, each user decodes the desired message following a certain procedure.
no code implementations • 23 Mar 2022 • Mohammed M. Alenazi, Barzan A. Yosuf, Sanaa H. Mohamed, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
The Internet of Things (IoT) is gaining momentum in its quest to bridge the gap between the physical and the digital world.
no code implementations • 21 Mar 2022 • Walter Zibusiso Ncube, Ahmad Adnan Qidan, Taisir El-Gorashi, Jaafar M. H. Elmirghani
Optical wireless Communication (OWC) is a strong candidate in the next generation (6G) of cellular networks.
no code implementations • 27 Nov 2021 • Ahmad Adnan Qidan, Taisir El-Gorashi1, Jaafar M. H. Elmirghani
Light Fidelity (Li-Fi) is a networked version of optical wireless communication (OWC), which is a strong candidate to fulfill the unprecedented increase in user-traffic expected in the near future.
no code implementations • 27 Nov 2021 • Ahmad Adnan Qidan, Maximo Morales-Cespedes, Taisir El-Gorashi, Jaafar M. H. Elmirghani
To solve this problem, a decentralized algorithm is proposed where the main problem is divided into sub-problems, each can be solved independently avoiding complexity.
no code implementations • 27 Nov 2021 • Ahmad Adnan Qidan, Taisir El-Gorashi1, Jaafar M. H. Elmirghani
The implementation of the ANN model involves three important steps, dataset generation, offline training, and real time application.
no code implementations • 29 Oct 2021 • Abrar S. Alhazmi, Sanaa H. Mohamed, Osama Z. Alsulami, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
We consider three racks in a data center where each rack contains an Angle Diversity Transmitter (ADT) positioned on the top of the rack to realize the uplink function of a top-of-the-rack (ToR) or a leaf switch.
no code implementations • 21 Jun 2021 • Abdelrahman S. Elgamal, Osama Z. Alsulami, Ahmad Adnan Qidan, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
Vertical Cavity Surface Emitting Lasers (VCSELs) have demonstrated suitability for data transmission in indoor optical wireless communication (OWC) systems due to the high modulation bandwidth and low manufacturing cost of these sources.
no code implementations • 25 May 2021 • Khulood Alazwary, Ahmad Adnan Qidan, Taisir El-Gorashi, Jaafar M. H. Elmirghani
However, the performance of RS is limited in high density networks.
no code implementations • 1 Feb 2021 • Ahmed N. Al-Quzweeni, Ahmed Q. Lawey, Taisir E. H. ElGorashi, Jaafar M. H. Elmirghani
In addition, it introduces an approach to combine content caching with NFV in one integrated architecture for energy aware 5G networks.
Networking and Internet Architecture Signal Processing
no code implementations • 20 Jan 2021 • Opeyemi O. Ajibola, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
Using a mixed integer linear programming (MILP) model, we compare the performance of disaggregation at rack-scale and pod-scale over selected electrical, optical and hybrid network topologies relative to a traditional DC.
Networking and Internet Architecture
no code implementations • 5 Aug 2020 • Osama Zwaid Alsulami, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
In addition, the optimization of resource allocation is considered in this chapter by developing a mixed-integer linear programming (MILP) model that can be used to maximize the signal to noise and interference ratio (SINR) while supporting multiple users.
no code implementations • 5 May 2020 • Mansourah K. Aljohani, Osama Zwaid Alsulami, Khulood D. Alazwary, Mohamed O. I. Musa, T. E. H. El-Gorashi, Mohammed T. Alresheedi, Jaafar M. H. Elmirghani
In this paper, a non-orthogonal multiple access (NOMA) visible light communication (VLC) system is investigated.
no code implementations • 4 May 2020 • Khulood D. Alazwary, Osama Zwaid Alsulami, Sarah O. M. Saeed, Sanaa Hamid Mohamed, T. E. H. El-Gorashi, Mohammed T. Alresheedi, Jaafar M. H. Elmirghani
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) scheme.
no code implementations • 3 May 2020 • Abrar S. Alhazmi, Osama Zwaid Alsulami, T. E. H. El-Gorashi, Mohammed T. Alresheedi, Jaafar M. H. Elmirghani
In our proposed data centre, we consider three racks, each of which has its own angle diversity transmitter (ADT) that is located on top of the rack.
no code implementations • 30 Apr 2020 • Sarah O. M. Saeed, Sanaa Hamid Mohamed, Osama Zwaid Alsulami, Mohammed T. Alresheedi, Taisir E. H. ElGorashi, Jaafar M. H. Elmirghani
High reliability and availability of communication services is a key requirement that needs to be ensured by service providers.
no code implementations • 30 Apr 2020 • Yu Zeng, Sanaa Hamid Mohamed, T. E. H. El-Gorashi, Jaafar M. H. Elmirghani
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.
no code implementations • 1 Oct 2019 • Sanaa Hamid Mohamed, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
In this survey, we present a summary of the characteristics of various big data programming models and applications and provide a review of cloud computing infrastructures, and related technologies such as virtualization, and software-defined networking that increasingly support big data systems.
no code implementations • 19 Jan 2018 • Mohammed S. Hadi, Ahmed Q. Lawey, Taisir E. H. El-Gorashi, Jaafar M. H. Elmirghani
In this paper, we conduct a survey on the role that big data analytics can play in the design of data communication networks.