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Optical wireless Communication (OWC) is a strong candidate in the next generation (6G) of cellular networks. In this paper, a laser-based optical wireless network is deployed in an indoor environment using Vertical Cavity Surface Emitting…

Signal Processing · Electrical Eng. & Systems 2022-03-22 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is systematically carried out with the aim to support data rates…

Rising data demands are a growing concern globally. The task at hand is to evolve current communication networks to support enhanced data rates while maintaining low latency, energy consumption and costs. To meet the above challenge,…

Signal Processing · Electrical Eng. & Systems 2023-04-11 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Optical wireless communication (OWC) is a promising technology for supporting data intensive services in indoor environments due to its large unregulated spectrum, high spatial reuse, and potential for multigigabit data rates. In…

Signal Processing · Electrical Eng. & Systems 2026-04-27 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Beam divergence control is a key factor in maintaining reliable coverage in indoor optical wireless communication (OWC) systems as receiver height varies.Conventional systems employ fixed divergence angles, which result in significant…

Optimization and Control · Mathematics 2026-02-04 Hossein Safi , Rizwana Ahmad , Iman Tavakkolnia , Harald Haas

As 6G and beyond aim for sustainable, high-capacity wireless connectivity, optical wireless communication (OWC) has emerged as a compelling solution.Recent advances in vertical-cavity surface-emitting laser (VCSEL) arrays have significantly…

The increasing demand for wireless networks of higher capacity requires key-enabling technologies. Optical wireless communication (OWC) arises as a complementary technology to radio frequency (RF) systems that can support high aggregate…

Signal Processing · Electrical Eng. & Systems 2024-04-03 Ahrar N. Hamad , Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

In this paper, we demonstrate a laser-based optical wireless communication (OWC) system employing a 940 nm single-mode (SM) vertical cavity surface emitting laser (VCSEL) and a multi-mode (MM) fiber-coupled receiver, achieving a record data…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Hossein Kazemi , Isaac N. O. Osahon , Nikolay Ledentsov , Ilya Titkov , Nikolay Ledentsov , Harald Haas

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

Vertical Cavity Surface Emitting Lasers (VCSELs) have gained popularity in Optical Wireless Communication (OWC) due to their high modulation bandwidth, narrow spectral width, and directional beam, offering improved spectral efficiency and…

Signal Processing · Electrical Eng. & Systems 2025-12-11 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks, especially as a complementary technology to traditional radio frequency communications, for enhancing…

This paper presents a comprehensive quantitative comparison between Terahertz (THz) communication (TeraCom) and optical wireless communication (OWC) technologies, focusing on both indoor and outdoor environments. We propose a comparison…

Signal Processing · Electrical Eng. & Systems 2025-04-01 Mingqing Liu , Hossein Kazemi , Majid Safari , Iman Tavakkolnia , Harald Haas

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 gained significant attention due to its high-speed data transmission and throughput. Optical wireless channels are often assumed to be flat, but we evaluate frequency selective channels to consider…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Dianxin Luan , John Thompson

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

Optical wireless communication (OWC) is a promising technology that has the potential to provide Tb/s aggregate rates. In this paper, interference management is studied in a Laser-based optical wireless network where vertical-cavity…

Information Theory · Computer Science 2021-11-16 Khulood Alazwary , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Optical wireless communication provides data transmission at high speeds which can satisfy the increasing demands for connecting a massive number of devices to the Internet. In this paper, vertical-cavity surface-emitting(VCSEL) lasers are…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Ahmad Adnan Qidan , Maximo Morales-Cespedes , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Orbital angular momentum (OAM) based radio vortex wireless communications have received much attention recently because it can significantly increase the spectrum efficiency. The uniform circular array (UCA) is a simple antenna structure…

Signal Processing · Electrical Eng. & Systems 2018-09-14 Shanghua Gao , Wenchi Cheng , Wei Zhang , Hailin Zhang

Recently, Optical wireless communication (OWC) have been considered as a key element in the next generation of wireless communications due to its potential in supporting unprecedented communication speeds. In this paper, infrared lasers…

Systems and Control · Electrical Eng. & Systems 2023-01-20 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

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 the growth of future wireless systems unless new parts of…

Signal Processing · Electrical Eng. & Systems 2019-01-01 Osama Alsulami , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani
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