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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 data center network architectures are becoming attractive because of their low energy consumption, large bandwidth, and low cabling complexity. In\cite{Xu1605:PODCA}, an AWGR-based passive optical data center architecture (PODCA) is…

Networking and Internet Architecture · Computer Science 2019-01-23 Chong Liu , Maotong Xu , Suresh Subramaniam

Driven by the exponential growth in data traffic and the limitations of Radio Frequency (RF) networks, Optical Wireless Communication (OWC) has emerged as a promising solution for high data rate communication. However, the inherently…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Information-centric networking (ICN) facilitates content identification in networks and offers parametric representation of content semantics. This work, proposes an ICN/WDM network architecture that uses these features to offer superior…

Networking and Internet Architecture · Computer Science 2016-08-30 Mays F. AL-Naday , Nikolaos Thomos , Martin J. Reed

Network-on-Chip (NoC) is currently the paradigm of choice to interconnect the different components of System-on-Chips (SoCs) or Chip Multiprocessors (CMPs). As the levels of integration continue to grow, however, current NoCs face…

Emerging Technologies · Computer Science 2019-06-14 Sergi Abadal , Eduard Alarcón

Traditional wired data center networks (DCNs) suffer from cabling complexity, lack flexibility, and are limited by the speed of digital switches. In this paper, we alternatively develop a top-down traffic grooming (TG) approach to the…

Networking and Internet Architecture · Computer Science 2018-12-04 Abdulkadir Celik , Amer AlGhadhban , Basem Shihada , Mohamed-Slim Alouini

For a self-sustaining wireless communication system in Internet-of-Things (IoT) networks, energy harvesting (EH) can be implemented at each user node as a constant renewable power supply source. Hence, an investigation into the use of…

Information Theory · Computer Science 2020-04-16 Derek Kwaku Pobi Asiedu , Sumaila Mahama , Changick Song , Dongwan Kim , Kyoung-Jae Lee

The promising vision of Information-Centric Networking (ICN) and of its realization, Named Data Networking (NDN), has attracted extensive attention in recent years in the context of the Internet of Things (IoT) and Wireless Sensor Networks…

Networking and Internet Architecture · Computer Science 2020-11-25 Muhammad Atif Ur Rehman , Rehmat Ullah , Byung-Seo Kim , Boubakr Nour , Spyridon Mastorakis

Communications based solely on radio frequency (RF) networks cannot provide adequate quality of service for the rapidly growing demands of wireless connectivity. Since devices operating in the optical spectrum do not interfere with those…

Networking and Internet Architecture · Computer Science 2018-10-08 Mostafa Zaman Chowdhury , Md. Tanvir Hossan , Moh. Khalid Hasan , Yeong Min Jang

Many optical circuit switched data center networks (DCN) have been proposed in the past to attain higher capacity and topology reconfigurability, though commercial adoption of these architectures have been minimal. One major challenge these…

Networking and Internet Architecture · Computer Science 2020-10-02 Min Yee Teh , Shizhen Zhao , Peirui Cao , Keren Bergman

Recent advances in integrated photonics enable the implementation of reconfigurable, high-bandwidth, and low energy-per-bit interconnects in next-generation data centers. We propose and evaluate an Optically Connected Memory (OCM)…

The optimal resource allocation scheme in a full-duplex Wireless Powered Communication Network (WPCN) composed of one Access Point (AP) and two wireless devices is analyzed and derived. AP operates in a full-duplex mode and is able to…

Information Theory · Computer Science 2019-02-19 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

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. In OWC, a high number of optical access…

Signal Processing · Electrical Eng. & Systems 2021-11-30 Ahmad Adnan Qidan , Taisir El-Gorashi1 , Jaafar M. H. Elmirghani

The fifth-generation of mobile radio technologies is expected to be agile, flexible, and scalable while provisioning ultra-reliable and low-latency communication (uRLLC), enhanced mobile broadband (eMBB), and massive machine type…

Networking and Internet Architecture · Computer Science 2022-05-10 Sourav Mondal , Marco Ruffini

Fog computing plays a crucial role in satisfying the requirements of delay-sensitive applications such as connected vehicles, smart grids, and actuator networks by moving data processing close to end users. Passive optical networks (PONs)…

Networking and Internet Architecture · Computer Science 2020-05-05 Abdullah M. Alqahtani , Sanaa H. Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Passive optical networks (PON) technology is increasingly becoming an attractive solution in modern data centres as it provides energy efficient, high capacity, low cost, scalable and flexible connectivity. In this paper we report the…

Networking and Internet Architecture · Computer Science 2018-08-21 AEA Eltraify , M. Musa , A. Al-Quzweeni , J. Elmirghani

We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setup, an Energy Rich (ER) source broadcasts wireless energy to…

Information Theory · Computer Science 2017-03-06 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

The recent advance in radio-frequency (RF) wireless energy transfer (WET) has motivated the study of wireless powered communication network (WPCN), in which distributed wireless devices are powered via dedicated WET by the hybrid…

Information Theory · Computer Science 2015-12-02 Seunghyun Lee , Rui Zhang

Passive optical networks (PON) technology has recently been proposed as a solution for scalability, energy efficiency, high capacity, low cost, flexibility and oversubscription issues in data centres. This paper experimentally demonstrates…

Networking and Internet Architecture · Computer Science 2019-04-10 Azza E. A. Eltraify , Mohamed O. I. Musa , Ahmed Al-Quzweeni , Jaafar M. H. Elmirghani

In this paper, a novel intelligent reflecting surface (IRS)-assisted wireless powered communication network (WPCN) architecture is proposed for power-constrained Internet-of-Things (IoT) smart devices, where IRS is exploited to improve the…

Information Theory · Computer Science 2021-12-07 Zhendong Li , Wen Chen , Qingqing Wu , Huanqing Cao , Kunlun Wang , Jun Li