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Building on the Ethernet Passive Optical Network (EPON) and Gigabit PON (GPON) standards, Next-Generation (NG) PONs (i) provide increased data rates, split ratios, wavelengths counts, and fiber lengths, as well as (ii) allow for all-optical…

信息论 · 计算机科学 2013-11-06 Frank Aurzada , Michael Scheutzow , Martin Reisslein , Navid Ghazisaidi , Martin Maier

As passive optical networks (PON) are increasingly deployed to provide high speed Internet access, it is important to understand their fundamental traffic capacity limits. The paper discusses performance models applicable to wavelength…

网络与互联网体系结构 · 计算机科学 2010-03-30 Nelson Antunes , Christine Fricker , Philippe Robert , James Roberts

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) within a room with multiple users. We optimize through a Mixed…

网络与互联网体系结构 · 计算机科学 2021-02-12 Sanaa Hamid Mohamed , Osama Zwaid Alsulami , Taisir E. H. El-Gorashi , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Environmental concerns have motivated network designers to further reduce energy consumption of access networks. This paper focuses on reducing energy consumption of Ethernet passive optical network (EPON) as one of the most efficient…

网络与互联网体系结构 · 计算机科学 2014-08-04 Mina Taheri , Nirwan Ansari

This paper proposes a point-to-point passive optical network (P2P-PON) architecture as an energy-efficient and low-latency backhaul solution for visible light communication (VLC)-enabled indoor fog computing systems. The proposed…

网络与互联网体系结构 · 计算机科学 2026-03-04 Wafaa B. M. Fadlelmula , Sanaa Hamid Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper proposes a novel approach using Graph Neural Networks (GNNs) to solve the AC Power Flow problem in power grids. AC OPF is essential for minimizing generation costs while meeting the operational constraints of the grid.…

系统与控制 · 电气工程与系统科学 2025-02-11 Seyedamirhossein Talebi , Kaixiong Zhou

We study the problem of power-efficient routing for multihop wireless ad hoc sensor networks. The guiding insight of our work is that unlike an ad hoc wireless network, a wireless ad hoc sensor network does not require full connectivity…

网络与互联网体系结构 · 计算机科学 2008-07-18 Amitabha Bagchi

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…

网络与互联网体系结构 · 计算机科学 2021-12-01 Abrar S. Alhazmi , Sanaa H. Mohamed and , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

In this paper, the energy efficiency of edge computing platforms for IoT networks connected to a passive optical network (PON) is investigated. We have developed a mixed integer linear programming (MILP) optimization model, which optimizes…

网络与互联网体系结构 · 计算机科学 2020-04-21 Zaineb T. Al-Azez , Ahmed Q. Lawey , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

This paper proposes a novel scheme which can efficiently reduce the energy consumption of Optical Line Terminals (OLTs) in Time Division Multiplexing (TDM) Passive Optical Networks (PONs) such as EPON and GPON. Currently, OLTs consume a…

网络与互联网体系结构 · 计算机科学 2015-09-22 Mina Taheri , Nirwan Ansari

Optical neural networks (ONNs) have gained significant attention due to their potential for high-speed and energy-efficient computation in artificial intelligence. The implementation of optical convolutions plays a vital role in ONNs, as…

新兴技术 · 计算机科学 2023-08-23 Shiji Zhang , Haojun Zhou , Bo Wu , Xueyi Jiang , Dingshan Gao , Jing Xu , Jianji Dong , Xinliang Zhang

In the present paper, high transmission bit rate of a thermal arrayed waveguide grating (AWG) which is composed of lithium niobate (LiNbO3)/polymethyl metha acrylate (PMMA) hybrid materials on a silicon substrate in Passive Optical Networks…

网络与互联网体系结构 · 计算机科学 2009-06-23 Abd El Naser A. Mohammed , Ahmed Nabih Zaki Rashed , Gaber E. S. M. El Abyad , Abd El Fattah A. Saad

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…

信号处理 · 电气工程与系统科学 2023-07-18 Khulood D. Alazwary , Ahmad Adnan Qidan , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

LoRaWAN enables massive connectivity for Internet-of-Things applications. Many published works employ stochastic geometry to derive outage models of LoRaWAN over fading channels assuming fixed transmit power and distance-based spreading…

网络与互联网体系结构 · 计算机科学 2020-02-20 Arliones Hoeller , Richard Demo Souza , Samuel Montejo-Sánchez , Hirley Alves

Design of energy-efficient access networks has emerged as an important area of research, since access networks consume $80-90\%$ of the overall Internet power consumption. TWDM-PON is envisaged to be one of the widely accepted future access…

网络与互联网体系结构 · 计算机科学 2017-08-31 Sourav Dutta , Dibbendu Roy , Chayan Bhar , Goutam Das

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…

网络与互联网体系结构 · 计算机科学 2022-05-10 Sourav Mondal , Marco Ruffini

The rapid evolution of communication technologies such as 5G and beyond, rely on optical networks to support the challenging and ambitious requirements that include both capacity and reliability. This chapter begins by giving an overview of…

网络与互联网体系结构 · 计算机科学 2023-02-16 Carmen Mas-Machuca , Lena Wosinska , Marco Ruffini , Jiajia Chen

Ethernet-based Passive optical network (E-PON) is the key for next generation access networks. It must have the property of high efficiency, low cost, and support quality of service (QoS). We present a novel media access control (MAC)…

网络与互联网体系结构 · 计算机科学 2014-04-10 Fu-Tai An , Yu-Li Hsueh , Kyeong Soo Kim , Ian M. White , Leonid G. Kazovsky

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…

信号处理 · 电气工程与系统科学 2022-03-22 Walter Zibusiso Ncube , Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Two-step aggregation is introduced to facilitate scalable federated learning (SFL) over passive optical networks (PONs). Results reveal that the SFL keeps the required PON upstream bandwidth constant regardless of the number of involved…

网络与互联网体系结构 · 计算机科学 2020-10-30 Jun Li , Lei Chen , Jiajia Chen