Author:Hussien, HM; Katzis, K; Mfupe, Luzango P; Bekele, ETDate:Jun 2022The coverage and capacity of exploiting TV White Spaces (TVWS) from High Altitude Platforms (HAPs) with multiple antenna payloads using uniform rectangular phased array (URA) antennas are explored in this article. A scenario is suggested in ...Read more
Author:Adetunji, KE; Hofsajer, IW; Abu-Mahfouz, Adnan MI; Cheng, LDate:Feb 2021Distributed generation (DG) units are power generating plants that are very important to the architecture of present power system networks. The primary benefits of the addition of these units are to increase the power supply and improve the ...Read more
Author:Rangata, Mapitsi R; Sefara, Tshephisho JDate:Feb 2024The amount of data online is increasing as companies generate news articles daily. These news articles contain headlines that have a level of exaggeration aimed to win the readers. In addition, these companies are competing against one another; ...Read more
Author:Zlobinsky, N; Johnson, DL; Mishra, AK; Lysko, Albert ADate:Feb 2022In this work, we evaluate the application of four different metaheuristic optimisation algorithms for solving the channel assignment problem in a multi-radio multi-channel Wireless Mesh Network (WMN) using Dynamic Spectrum Access (DSA). The ...Read more
Author:Mntuwaphi, ND; Isong, B; Gasela, N; Abu-Mahfouz, Adnan MIDate:Nov 2020Internet of things (IoT) is an innovative technology that has gained significant research attention in recent years and is still gaining momentum. This technology permits communication between humans and objects or objects with objects to ...Read more
Author:Ntshabele, K; Isong, B; Gasela, N; Abu-Mahfouz, Adnan MIDate:Sep 2022Low-Power Wide-Area Network (LPWAN) is a wireless WAN technology that connects low-powered and low-bandwidth devices with low bit rates atop Long Ranges (LoRa). It is characterized by improved scalability, wide area coverage, and low power ...Read more
Author:Vermeulen, E; Grobbelaar, SS; Botha, Adèle; Nolte, KDate:Oct 2021Running-related injuries, specifically overuse injuries, are complex and multifaceted. A different way of thinking is required to fully comprehend why, and how, these injuries occur. The systems thinking perspective offers tools and techniques ...Read more
Author:Ratshidi, L; Grobbelaar, S; Botha, AdèleDate:Jul 2022Background: Globally, community health workers (CHW) are increasingly viewed as an integral part of the health system as opposed to simply being an extension of it. Given this view, most low- or middle-income countries (LMICs) have refocused ...Read more
Author:Bellagarda, J; Abu-Mahfouz, Adnan MIDate:Oct 2022As of 2022, non-fungible tokens, or NFTs, the smart contract powered tokens that represent ownership in a specific digital asset, have become a popular investment vehicle. In 2021, NFT trading reached USD 17.6 billion and entered mainstream ...Read more
Author:Mamushiane, Lusani; Mwangama, J; Lysko, Albert ADate:Mar 2021Software Defined Networking (SDN) has emerged as a promising solution to revolutionize network deployment, operations and economic growth. This paradigm aims to address management and configuration complexities in legacy networks so as to ...Read more
Author:Ntshabele, K; Isong, B; Abu-Mahfouz, Adnan MIDate:May 2021Low Power Wide Area Network (LPWAN) is a network technology that emanated from the swift advancement of the Internet of Things (IoT) market. It is characterized by low cost, long-range communications, low power consumptions, and better area ...Read more
Author:Bello-Salau, H; Onumanyi, Adeiza J; Adebiyi, RF; Adekale, AD; Bello, RS; Ajayi, ODate:Oct 2023Road infrastructure is essential to national security and growth. Potholes on the road sur- face causes accidents and costly automotive damage. Novel technology that detects potholes and alerts drivers in real time may address this challenge. ...Read more
Author:Naqvi, KH; Markus, ED; Muthoni, M; Abu-Mahfouz, Adnan MIDate:Apr 2022South Africa as a developing nation is evolving in new healthcare technologies. With an increase in these innovations comes many challenges foremost among which is security. This paper presents a review of challenges faced in IoT connected ...Read more
Author:Thimiri Govindaraj, Deepak B; Nxumalo, Precious ZDate:Feb 2021Dr. Deepak Balaji Thimiri Govindaraj has been selected for an e-Poster presentation at the 2nd ESH Translational Research Conference on Chronic Lymphocytic Leukaemia. The Conference is proposing a programme of leading-edge basic and clinical ...Read more
Author:Molose, R; Isong, B; Dladlu, N; Abu-Mahfouz, Adnan MIDate:Jul 2022Energy consumption and the network lifespan of wireless sensor networks (WSNs) are greatly affected by data transmission and retransmission. The challenge follows the energy limitation of sensor nodes with replaceable batteries. Albeit several ...Read more
Author:Adedeji, KB; Abu-Mahfouz, Adnan MI; Kurien, AMDate:Jul 2023In recent times, distributed denial of service (DDoS) has been one of the most prevalent security threats in internet-enabled networks, with many internet of things (IoT) devices having been exploited to carry out attacks. Due to their inherent ...Read more
Author:Pratt, Lawrence E; Govender, Devashen; Klein, RDate:Nov 2021Electroluminescence (EL) images enable defect detection in solar photovoltaic (PV) modules that are otherwise invisible to the naked eye, much the same way an x-ray enables a doctor to detect cracks and fractures in bones. The prevalence of ...Read more
Author:Ledwaba, LPI; Hancke, GP; Mitrokotsa, A; Isaac, Sherrin JDate:Oct 2020Recently, work with Distributed Ledger Technologies (DLTs) has focussed on leveraging the decentralised, immutable ledger for use outside of cryptocurrency. One industry poised to benefit from DLTs is the Industrial Internet of Things (IIoT); ...Read more
Author:Marais, Laurette; Van Zijl, LDate:May 2022Unary self-verifying symmetric difference automata have a known tight bound of 2n-1-1 for their state complexity. We now consider the non-unary case and show that, for every n=2, there is a regular language Ln accepted by a non-unary ...Read more
Author:Sibolla, Bolelang H; Van Zyl, T; Coetzee, SDate:Nov 2020Transient spatiotemporal events occur within a short interval of time, in a particular location. If such events occur unexpectedly with varying durations, frequencies, and intensities, they pose a challenge for near-real-time monitoring. ...Read more