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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…

信息论 · 计算机科学 2021-09-28 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

Passive Optical Data Centre Networks have been developed due to the performance limitations in current data centres to provide high performance within data centre networks. An AWGR based passive optical network data centre architecture is…

网络与互联网体系结构 · 计算机科学 2019-04-10 Azza E. A. Eltraify , Mohamed O. I. Musa , Jaafar M. H. Elmirghani

Wireless Network-on-Chip (WNoC) has emerged as a promising alternative to conventional interconnect fabrics at the chip scale. Since WNoCs may imply the close integration of antennas, one of the salient challenges in this scenario is the…

新兴技术 · 计算机科学 2019-06-14 S. Abadal , A. Marruedo , A. Franques , H. Taghvaee , A. Cabellos-Aparicio , J. Zhou , J. Torrellas , E. Alarcón

Recent years have witnessed the growing deployment of optical circuit switches (OCS) in commercial GPU clusters (e.g., Google A3 GPU cluster) optimized for machine learning (ML) workloads. Such clusters adopt a three-tier leaf-spine-OCS…

Flexible and efficient CDNs are critical to facilitate content distribution in 5G+ architectures. Current CDNs suffer from inefficient request mapping based on DNS redirection, and inefficient content distribution from origin to edge…

网络与互联网体系结构 · 计算机科学 2018-03-06 Mays Al-Naday , Martin J. Reed , Janne Riihijärvi , Dirk Trossen , Nikolaos Thomos , Mohammed Al-Khalidi

The Future wireless communication systems face the challenging task of simultaneously providing high quality of service (QoS) and broadband data transmission, while also minimizing power consumption, latency, and system complexity. Although…

信息论 · 计算机科学 2024-10-03 Amina Darghouthi , Abdelhakim Khlifi , Hmaied Shaiek , Fatma Ben Salah , Belgacem Chibani

Wireless Sensor Networks (WSNs) are indispensable for data-intensive applications, necessitating efficient energy management and robust data fusion techniques. This paper proposes an integrated framework leveraging fuzzy logic and…

网络与互联网体系结构 · 计算机科学 2024-07-19 Komal

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…

系统与控制 · 电气工程与系统科学 2023-01-20 Ahmad Adnan Qidan , Taisir El-Gorashi , Jaafar M. H. Elmirghani

There are many challenges when designing and deploying wireless sensor networks (WSNs). One of the key challenges is how to make full use of the limited energy to prolong the lifetime of the network, because energy is a valuable resource in…

网络与互联网体系结构 · 计算机科学 2012-07-04 Neeraj Kumar , Manoj Kumar , R. B. Patel

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…

The explosively growing communication traffic in datacenters imposes increasingly stringent performance requirements on the underlying networks. Over the last years, researchers have developed innovative optical switching technologies that…

网络与互联网体系结构 · 计算机科学 2024-06-21 Johannes Zerwas , Chen Griner , Stefan Schmid , Chen Avin

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…

信息论 · 计算机科学 2023-05-09 Ahmed Ali Hassan , Ahmed Adnan Qidan , Taisir Elgorashi , Jaafar 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…

信号处理 · 电气工程与系统科学 2019-01-01 Osama Alsulami , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Multi-channel wireless networks are increasingly being employed as infrastructure networks, e.g. in metro areas. Nodes in these networks frequently employ directional antennas to improve spatial throughput. In such networks, given a source…

网络与互联网体系结构 · 计算机科学 2010-02-26 Swaminathan Sankararaman , Alon Efrat , Srinivasan Ramasubramanian , Pankaj K. Agarwal

Data centers based on Passive Optical Networks (PONs) can provide high capacity, low cost, scalability, elasticity and high energy-efficiency. This paper introduces the use of WDM-TDM multiple access in a PON-based data center that offers…

网络与互联网体系结构 · 计算机科学 2023-05-31 Mohammed Alharthi , Sanaa H. Mohamed , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

We propose a multi-sender, multi-receiver over-the-air computation (OAC) framework for wireless networked control systems (WNCS) with structural constraints. Our approach enables actuators to directly compute and apply control signals from…

系统与控制 · 电气工程与系统科学 2025-05-06 Seif Hussein , Chinwendu Enyioha , Carlo Fischione

We study a heterogeneous wireless sensor network (WSN) where N heterogeneous access points (APs) gather data from densely deployed sensors and transmit their sensed information to M heterogeneous fusion centers (FCs) via multi-hop wireless…

信息论 · 计算机科学 2021-09-09 Saeed Karimi-Bidhendi , Jun Guo , Hamid Jafarkhani

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…

最优化与控制 · 数学 2023-12-20 Mohsen Abedi , Alexis A. Dowhuszko , Risto Wichman

Low-altitude wireless networks (LAWNs) are expected to play a central role in future 6G infrastructures, yet uplink transmissions of uncrewed aerial vehicles (UAVs) remain vulnerable to eavesdropping due to their limited transmit power,…

信息论 · 计算机科学 2026-05-07 Wei Shi , Wei Xu , Yongming Huang , Jiacheng Yao , Wenhao Hu , Dongming Wang

In recent years, there has been a growing interest in the use of single-photon avalanche diode (SPAD) in optical wireless communication (OWC). SPAD operates in the Geiger mode and can act as a photon counting receiver obviating the need for…