8 citations · 16 across the 10 of their papers we have counts for
25 papers
Resilient Architectures for Free Space Optical Wireless Interconnection Systems
Sanaa Hamid Mohamed, Osama Zwaid Alsulami, Taisir E. H. El-Gorashi +2
In this paper, we propose the use of two Passive Optical Network (PON)-based network architectures to connect free-space Optical Wireless Communication (OWC) Access Points (APs) wi…
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…
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…
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…
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…
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…
Effect of receiver orientation on resource allocation in optical wireless systems
Osama Zwaid Alsulami, Khulood D. Alazwary, Sarah O. M. Saeed +4
Optical wireless communication (OWC) systems have been the subject of a significant amount of interest as they can be used in sixth generation (6G) wireless communication to provid…
Shared optical wireless cells for in-cabin aircraft links
Osama Zwaid Alsulami, Sarah O. M. Saeed, Sanaa Hamid Mohamed +3
The design of a wireless communication system that can support multiple users at high data rates inside an aircraft is a key requirement of aircraft manufacturers. This paper exami…
Impact of room size on WDM optical wireless links with multiple access points and angle diversity receivers
Osama Zwaid Alsulami, Mansourah K. A. Aljohani, Sarah O. M. Saeed +4
Optical wireless communication (OWC) systems have been the subject of attention as a promising wireless communication technology that can offer high data rates and support multiple…
Data centre optical wireless downlink with WDM and multi-access point support
O. Z. Alsulami, S. O. M. Saeed, S. H. Mohamed +3
The ability to provide very high data rates is a significant benefit of optical wireless communication (OWC) systems. In this paper, an optical wireless downlink in a data centre t…
Optimum Resource Allocation in 6G Optical Wireless Communication Systems
Osama Alsulami, Amal Alahmadi, Sarah Saeed +4
Optical wireless communication (OWC) systems are a promising communication technology that can provide high data rates into the tens of Tb/s and can support multiple users at the s…
Networking and processing in optical wireless
Osama Zwaid Alsulami, Amal A. Alahmadi, Sarah O. M. Saeed +4
Optical wireless communication (OWC) is a promising technology that can provide high data rates while supporting multiple users. The Optical Wireless (OW) physical layer has been r…
Co-existence of Micro, Pico and Atto Cells in Optical Wireless Communication
Osama Zwaid Alsulami, Mohamed O. I. Musa, Mohammed T. Alresheedi +1
Interference between cells or users can have a significant impact on the quality of optical wireless communication (OWC) links. This paper studies the co-existence of infrared base…
Optical Wireless cabin communication system
Osama Zwaid Alsulami, Mohammed T. Alresheedi, Jaafar M. H. Elmirghani
Offering a high data rate to users inside the cabin is attractive for the aircraft building companies. This paper presents an optical wireless system that uses visible light for tr…
Artificial Neural Network for LiDAL Systems
Aubida A. Al-Hameed, Safwan Hafeedh Younus, Ahmed Taha Hussein +2
In this paper, we introduce an intelligent light detection and localization (LiDAL) system that uses artificial neural networks (ANN). The LiDAL systems of interest are MIMO LiDAL…
Optimized Resource Allocation in Multi-user WDM VLC Systems
Sarah O. M. Saeed, Sanaa Hamid Mohamed, Osama Zwaid Alsulami +2
In this paper, we address the optimization of wavelength resource allocation in multi-user WDM Visible Light Communication (VLC) systems. A Mixed Integer Linear Programming (MILP)…
Infrared uplink design for visible light communication (VLC) systems with beam steering
Osama Zwaid Alsulami, Mohammed T. Alresheedi, Jaafar M. H. Elmirghani
Providing uplink high data rate is one of the big concerns in visible light communication (VLC) systems. This paper introduces an uplink VLC system based on an infrared transmitter…
Visible Light Optical Data Centre Links
Osama Zwaid Alsulami, Mohamed O. I. Musa, Mohammed T. Alresheedi +1
Providing high data rates is one of the big concerns in visible light communication (VLC) systems. This paper introduces a data centre design that use a VLC system for downlink com…
Transmitter Diversity with Beam Steering
Osama Zwaid Alsulami, Mohammed T. Alresheedi, Jaafar M. H. Elmirghani
Providing high data rates is one of the drivers in visible light communication (VLC) systems. This paper introduces a VLC system that employs transmitters diversity with beam steer…
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…
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…
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…