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This paper considers a wireless network with a base station (BS) conducting timely status updates to multiple clients via adaptive non-orthogonal multiple access (NOMA)/orthogonal multiple access (OMA). Specifically, the BS is able to…

Information Theory · Computer Science 2020-07-09 Qian Wang , He Chen , Changhong Zhao , Yonghui Li , Petar Popovski , Branka Vucetic

In the recent years, telecom and computer networks have witnessed new concepts and technologies through Network Function Virtualization (NFV) and Software-Defined Networking (SDN). SDN, which allows applications to have a control over the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-04 Clovis Anicet Ouedraogo , Samir Medjiah , Christophe Chassot , Khalil Drira

Reconfigurable intelligent surface (RIS)-aided networks have been investigated for the purpose of improving the system performance. However, the introduced unit modulus phase shifts and coupling characteristic bring enormous challenges to…

Information Theory · Computer Science 2021-08-19 Biqian Feng , Junyuan Gao , Yongpeng Wu , Wenjun Zhang , Xiang-Gen Xia , Chengshan Xiao

Outsourcing -- successful, and sometimes painful -- has become one of the hottest topics in IT service management discussions over the past decade. IT services are outsourced to external service provider in order to reduce the effort…

Networking and Internet Architecture · Computer Science 2015-03-17 Patricia Marcu , Wolfgang Hommel

An active reconfigurable intelligent surface (RIS)-aided multi-user downlink communication system is investigated, where non-orthogonal multiple access (NOMA) is employed to improve spectral efficiency, and the active RIS is powered by…

Signal Processing · Electrical Eng. & Systems 2023-04-25 Zhaoyuan Shi , Huabing Lu , Xianzhong Xie , Helin Yang , Chongwen Huang , Jun Cai , Zhiguo Ding

Distributed File Systems (DFS) are essential for managing vast datasets across multiple servers, offering benefits in scalability, fault tolerance, and data accessibility. This paper presents a comprehensive evaluation of three prominent…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-04 Shubham Malhotra , Fnu Yashu , Muhammad Saqib , Dipkumar Mehta , Jagdish Jangid , Sachin Dixit

HRDBMS is a novel distributed relational database that uses a hybrid model combining the best of traditional distributed relational databases and Big Data analytics platforms such as Hive. This allows HRDBMS to leverage years worth of…

Databases · Computer Science 2019-01-28 Jason Arnold , Boris Glavic , Ioan Raicu

Internet-of-Things (IoT) envisions an intelligent infrastructure of networked smart devices offering task-specific monitoring and control services. The unique features of IoT include extreme heterogeneity, massive number of devices, and…

Systems and Control · Computer Science 2018-10-30 Tianyi Chen , Sergio Barbarossa , Xin Wang , Georgios B. Giannakis , Zhi-Li Zhang

The performance of employees in an organization is a very important issue for effective delivery and output. Various performance management systems with the aid of Information and Communication Technology (ICT) are currently being used by…

Computers and Society · Computer Science 2013-08-01 Nana Yaw Asabere , Nana Kwame Gyamfi

Autonomous and intelligent systems (AIS) facilitate a wide range of beneficial applications across a variety of different domains. However, technical characteristics such as unpredictability and lack of transparency, as well as potential…

Computers and Society · Computer Science 2024-04-23 Lukas D. Pöhler , Klaus Diepold , Wendell Wallach

We consider a reconfigurable intelligent surface (RIS) assisted cell-free massive multiple-input multiple-output non-orthogonal multiple access (NOMA) system, where each access point (AP) serves all the users with the aid of the RIS. We…

Information Theory · Computer Science 2024-09-18 Malay Chakraborty , Ekant Sharma , Himal A. Suraweera , Hien Quoc Ngo

Cloud computing has become inevitable for every digital service which has exponentially increased its usage. However, a tremendous surge in cloud resource demand stave off service availability resulting into outages, performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-12-08 Deepika Saxena , Ishu Gupta , Ashutosh Kumar Singh , Chung-Nan Lee

With the development of Internet-of-Things (IoT), we witness the explosive growth in the number of devices with sensing, computing, and communication capabilities, along with a large amount of raw data generated at the network edge. Mobile…

Information Theory · Computer Science 2021-11-23 Zezu Liang , Hanbiao Chen , Yuan Liu , Fangjiong Chen

A novel framework of intelligent reflecting surface (IRS)-aided multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) network is proposed, where a base station (BS) serves multiple clusters with unfixed number of users…

Information Theory · Computer Science 2020-12-02 Xinyu Gao , Yuanwei Liu , Xiao Liu , Zhijin Qin

5G technology complements the enabling of communication services for different vertical industries such as smart distribution grids. Automation is an integral and necessary part of the power distribution grid operation and management. This…

Networking and Internet Architecture · Computer Science 2021-05-13 Kashif Mehmood , H. V. Kalpanie Mendis , Katina Kralevska , Poul E. Heegaard

Performance tuning of Database Management Systems(DBMS) is both complex and challenging as it involves identifying and altering several key performance tuning parameters. The quality of tuning and the extent of performance enhancement…

Databases · Computer Science 2010-05-07 S. F. Rodd , U. P. Kulkarni

The growing complexity of networks and the variety of future scenarios with diverse and often stringent performance requirements call for a higher level of automation. Intent-based management emerges as a solution to attain high level of…

Networking and Internet Architecture · Computer Science 2024-07-26 Erciyes Karakaya , Ozgur Ercetin , Huseyin Ozkan , Mehmet Karaca , Elham Dehghan Biyar , Alexandros Palaios

The integration of Terrestrial Networks (TN) and Non-Terrestrial Networks (NTN), including 5G Advanced/6G and the Internet of Things (IoT) technologies, using Low Earth Orbit (LEO) satellites, high-altitude platforms (HAPS), and Unmanned…

Cryptography and Security · Computer Science 2025-08-11 Sasa Maric , Rasil Baidar , Robert Abbas , Sam Reisenfeld

The integration of the Industrial Internet of Things (IIoT) with Artificial Intelligence-Generated Content (AIGC) offers new opportunities for smart manufacturing, but it also introduces challenges related to computation-intensive tasks and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-17 Xin Wang , Xiao Huan Li , Xun Wang

The increasing demand for reliable, high-capacity communication during large-scale outdoor events poses significant challenges for traditional Terrestrial Networks (TNs), which often struggle to provide consistent coverage in high-density…

Networking and Internet Architecture · Computer Science 2025-06-13 Valdemar Farré , Juan Estrada , David Vega , Luis F Urquiza-Aguiar , Juan A. Vásquez Peralvo , Symeon Chatzinotas