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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 same time. This paper investigates the optimum allocation of…

Signal Processing · Electrical Eng. & Systems 2020-01-09 Osama Alsulami , Amal Alahmadi , Sarah Saeed , Sana Hamid Mohamed , Taisir El-Gorashi , Mohammed Alresheedi , Jaafar Elmirghani

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 users simultaneously. In this paper, the impact of room…

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. Two different room layouts are examined in this…

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-integer linear programming (MILP) model is developed to…

Networking and Internet Architecture · Computer Science 2020-04-21 Osama Zwaid Alsulami , Sarah O. M. Saeed , Sanaa Hamid Mohamed , T. E. H. El-Gorashi , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

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 that uses wavelength division multiple access (WDMA) is…

Signal Processing · Electrical Eng. & Systems 2020-02-06 O. Z. Alsulami , S. O. M. Saeed , S. H. Mohamed , T. E. H. El-Gorashi , M. T. Alresheedi , J. 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, can be used to provide communication and illumination…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Osama Zwaid Alsulami , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

The continually growing demands for traffic as a result of advanced technologies in 5G and 6G systems offering services with intensive demands such as IoT and virtual reality applications has resulted in significant performance expectations…

Networking and Internet Architecture · Computer Science 2021-12-01 Abrar S. Alhazmi , Sanaa H. Mohamed and , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper proposes an uplink optical wireless communication (OWC) link design that can be used by data centers to support communication in spine and leaf architectures between the top of rack leaf switches and large spine switches whose…

Signal Processing · Electrical Eng. & Systems 2021-11-01 Abrar S. Alhazmi , Sanaa H. Mohamed , Osama Z. Alsulami , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

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…

This work presents a performance evaluation based on elaborated analytical expressions of error probability for broadband access network in the case of a combined technique of dense wavelength division multiplexing (DWDM) and one…

Networking and Internet Architecture · Computer Science 2012-06-11 Ahmed Dooguy Kora

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 transmitting data. The reading light for each seat is used as…

Signal Processing · Electrical Eng. & Systems 2019-10-16 Osama Zwaid Alsulami , Mohammed T. Alresheedi , 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…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Khulood D. Alazwary , Ahmad Adnan Qidan , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Optical wireless communication (OWC) has the potential to provide high communication speeds that support the massive use of the Internet that is expected in the near future. In OWC, optical access points (APs) are deployed on the celling to…

Most studies on optical wireless communications (OWCs) have neglected the effect of random orientation in their performance analysis due to the lack of a proper model for the random orientation. Our recent empirical-based research…

Information Theory · Computer Science 2019-02-26 Mohammad Dehghani Soltani , Ardimas Andi Purwita , Iman Tavakkolnia , Harald Haas , Majid Safari

OWC has been considered as a key enabling technology to unlock unprecedented speeds of communication, supporting high demands of data traffic. In this paper, infrared lasers are used as optical transmitters operating in an indoor…

Systems and Control · Electrical Eng. & Systems 2025-12-01 Ahmad Adnan Qidan , Taisir El-Gorashi , Majid Safari , Harald Haas , Richard V. Penty , Ian H. White , Jaafar M. H. Elmirghani

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…

Signal Processing · Electrical Eng. & Systems 2023-07-18 Khulood D. Alazwary , Ahmad Adnan Qidan , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

In recent years, the demand for high speed wireless networking has increased considerably due to the enormous number of devices connected to the Internet. In this context, optical wireless communication (OWC) has received tremendous…

Information Theory · Computer Science 2021-09-28 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

The novel resource allocation for simultaneous wireless information and power transfer (SWIPT) is presented as a means of not only helping to communicate and access information with increasing efficiency in the next generation of mobile…

Signal Processing · Electrical Eng. & Systems 2020-07-28 Jalal Jalali

Underwater acoustic (UWA) communications generally rely on cognitive radio (CR)-based ad-hoc networks due to challenges such as long propagation delay, limited channel resources, and high attenuation. To address the constraints of limited…

Signal Processing · Electrical Eng. & Systems 2025-06-17 Minwoo Kim , Youngchol Choi , Yeongjun Kim , Eojin Seo , Hyun Jong Yang
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