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Optical wireless technology has the potential to complement the wireless access services provided so far over RF. Apart from the abundant unlicensed bandwidth available for ultra-dense deployments over optical wireless bands, optical…

Optimization and Control · Mathematics 2023-12-20 Mohsen Abedi , Alexis A. Dowhuszko , Risto Wichman

This paper investigates the performance of a two-tier AWGR-based Passive Optical Network (PON) data centre architecture against an AWGR-based PON data centre architecture by considering various scenarios involving link failures to evaluate…

Networking and Internet Architecture · Computer Science 2024-07-16 Mohammed Alharthi , Sanaa H. Mohamed , Taisir 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…

In this paper, we propose a new paradigm in designing and realizing energy efficient wireless indoor access networks, namely, a hybrid system enabled by traditional RF access, such as WiFi, as well as the emerging visible light…

Networking and Internet Architecture · Computer Science 2018-07-19 Abdallah Khreishah , Sihua Shao , Ammar Gharaibeh , Moussa Ayyash , Hany Elgala , Nirwan Ansari

The rapid expansion of oceanic applications such as underwater surveillance and mineral exploration is driving the need for real-time wireless backhaul of massive observational data. Such demands are challenging to meet using the narrowband…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Jiayue Liu , Tianqi Mao , Leyu Cao , Weijie Liu , Dezhi Zheng , Julian Cheng , Zhaocheng Wang

Data centers based on Passive Optical Networks (PONs) can offer scalability, low cost and high energy-efficiency. Application in data centers can use Virtual Machines (VMs) to provide efficient utilization of the physical resources. This…

Networking and Internet Architecture · Computer Science 2022-03-25 Mohammed Alharthi , Sanaa H. Mohamed , Barzan Yosuf , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Responding to the "datacenter tax" and "killer microseconds" problems for datacenter applications, diverse solutions including Smart NIC-based ones have been proposed. Nonetheless, they often suffer from high overhead of communications over…

Hardware Architecture · Computer Science 2022-10-19 Yifan Yuan , Jinghan Huang , Yan Sun , Tianchen Wang , Jacob Nelson , Dan R. K. Ports , Yipeng Wang , Ren Wang , Charlie Tai , Nam Sung Kim

This paper explores the transmission schemes for multi-channel water-to-air optical wireless communication (W2A-OWC) and introduces a prototype of a real-time W2A-OWC system based on a field-programmable gate array (FPGA). Utilizing an LED…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Han Qi , Tianrui Lin , Tianjian Wei , Qingqing Hu , Siyan Sun , Nuo Huang , Chen Gong

The emergence of optical intelligent reflecting surface (OIRS) technologies marks a milestone in optical wireless communication (OWC) systems, enabling enhanced control over light propagation in indoor environments. This capability allows…

Signal Processing · Electrical Eng. & Systems 2025-01-08 Jalal Jalali , Hina Tabassum , Jeroen Famaey , Walid Saad , Murat Uysal

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

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

Resource-disaggregated data centre architectures promise a means of pooling resources remotely within data centres, allowing for both more flexibility and resource efficiency underlying the increasingly important infrastructure-as-a-service…

Networking and Internet Architecture · Computer Science 2022-11-07 Zacharaya Shabka , Georgios Zervas

The sensitivity of the optical wireless communication (OWC) can be effectively improved by employing the highly sensitive single-photon avalanche diode (SPAD) arrays. However, the nonlinear distortion introduced by the dead time strongly…

Information Theory · Computer Science 2022-10-26 Shenjie Huang , Cheng Chen , Mohammad Dehghani Soltani , Robert Henderson , Harald Haas , Majid Safari

Optical Wireless Communication networks (OWC) has emerged as a promising technology that enables high-speed and reliable communication bandwidth for a variety of applications. In this work, we investigated applying Random Linear Network…

Information Theory · Computer Science 2023-05-09 Ahmed Ali Hassan , Ahmed Adnan Qidan , Taisir Elgorashi , Jaafar Elmirghani

Wireless Network-on-Chip (WNoC) systems enable low-latency communication in many-core platforms through short-range wireless links. However, the power consumption of integrated transceivers (TRXs), dominated by that of the RF front-end…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Mohammad Shahmoradi , Ahmet Yelboğa , Eduard Alarcón , Korkut Kaan Tokgöz , Sergi Abadal

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 envisioned as one of the main enabling technologies of 6G networks, complementing radio frequency (RF) systems to provide high data rates. One of the crucial issues in indoor OWC is service…

Systems and Control · Electrical Eng. & Systems 2024-09-10 Ahrar N. Hamad , Ahmad Adnan Qidan , Taisir E. H. Elgorashi , Jaafar M. H. Elmirghani

Photon counting detectors such as single-photon avalanche diode (SPAD) arrays can be utilized to improve the sensitivity of optical wireless communication (OWC) systems. However, the achievable data rate of SPAD-based OWC systems is…

Information Theory · Computer Science 2022-04-06 Shenjie Huang , Cheng Chen , Rui Bian , Harald Haas , Majid Safari

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

In a wirelessly-powered communication network (WPCN), an energy access point (E-AP) supplies the energy needs of the network nodes through radio frequency wave transmission, and the nodes store their received energy in their batteries for…

Information Theory · Computer Science 2019-05-16 Mohammad Movahednasab , Behrooz Makki , Naeimeh Omidvar , Mohammad Reza Pakravan , Tommy Svensson , Michele Zorzi