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4G RAN infrastructure sharing by 5G virtualized mobile network operators: A tutorial

Author: Mamushiane, Lusani ; Mboweni, Lawrence S ; Kobo, Hlabishi ; Mudumbe, Mduduzi J ; Mwangama, J ; Lysko, Albert A Date: Sep 2021 Active radio access network (RAN) infrastructure sharing has emerged as a promising solution for efficient spectrum utilization, capital and operational cost savings, improved MVNO penetration rates and lower broadband retail prices in both ... Read more
5G network slice resource overbooking: An opportunity for telcos to boost their revenue

Author: Mamushiane, Lusani ; Mwangama, J ; Lysko, Albert A ; Kobo, Hlabishi I Date: Aug 2022 The global impact of COVID-19 has been unprecedented, with over-the-top (OTT) services consumption growing at a staggering rate. While OTT does consume revenue-generating data, OTT services are gradually substituting the traditional primary ... Read more
Accelerated design of a conformal strongly coupled magnetic resonance wireless power transfer

Author: Molefi, M ; Markus, ED ; Abu-Mahfouz, Adnan MI Date: Nov 2021 A Conformal Strongly Coupled Magnetic Resonance (CSCMR) wireless power transfer (WPT) system is a small footprint technology suitable for applications such as small low power sensors and implantable medical devices. These applications require ... Read more
Accessibility, affordability, and equity in long-term spatial planning: Perspectives from a developing country

Author: Van Heerden, Quintin ; Karsten, Carike ; Holloway, Jennifer P ; Petzer, Engela ; Burger, Paul AD ; Mans, Gerbrand G Date: May 2022 City planners attempt to create more equitable spaces by providing and improving access to benefits of living in cities, especially for previously disadvantaged urban communities. To this extent, evidence-based decision making is required to ... Read more
Adaptability of assistive mobility devices and the role of the internet of medical things: Comprehensive review

Author: Oladele, DA ; Markus, ED ; Abu-Mahfouz, Adnan MI Date: Nov 2021 Background: With the projected upsurge in the percentage of people with some form of disability, there has been a significant increase in the need for assistive mobility devices. However, for mobility aids to be effective, such devices should ... Read more
Adsorption of NH3 and NO2 molecules on sn-doped and undoped ZnO (101) surfaces using density functional theory

Author: Dima, Ratshilumela S ; Tshwane, David M ; Shingange, Katekani ; Modiba, Rosinah ; Maluta, NE ; Maphanga, Rapela R Date: 2022 The adsorption and interaction mechanisms of gaseous molecules on ZnO surfaces have received considerable attention because of their technological applications in gas sensing. The adsorption behavior of NH3 and NO2 molecules on undoped and ... Read more
Affordable connectivity and digital entrepreneurial ecosystem for rural Africa

Author: Mekuria, Fisseha ; Mzyece, M ; Mfupe, Luzango P ; Odusola, A Date: Sep 2021 Innovation on sustainable ICT technologies to realize affordable broadband connectivity for rural and underserved communities is a crucial component of the effort to achieve the aim of "leaving no one behind by 2030" as championed by the ... Read more
Age invariant face recognition methods: A review

Author: Baruni, Kedimotse P ; Mokoena, Nthabiseng ME ; Veeraragoo, Mahalingam ; Holder, Ross P Date: Dec 2021 Face recognition is one of the biometric technologies that is mostly used in surveillance and law enforcement for identification and verification. However, face recognition remains a challenge in verifying and identifying individuals due to ... Read more
Amplitude quantization method for autonomous threshold estimation in self-reconfigurable cognitive radio systems

Author: Onumanyi, Adeiza J ; Abu-Mahfouz, Adnan MI ; Hancke, G Date: Feb 2021 Self-adaptive threshold adjustment algorithms (SATAs) are required to reconfigure their parameters autonomously (i.e. to achieve self-parameter adjustment) at runtime and during online use for effective signal detection in cognitive radio ... Read more
Analysis of energy-efficient techniques for SDWSN energy usage optimization

Author: Mathebula, I ; Isong, B ; Gasela, N ; Abu-Mahfouz, Adnan MI Date: Nov 2020 Software-Defined Wireless Sensor Networks (SDWSN) has received significant attention in recent years due to its inherent challenges such as network security, trust management, inefficient energy consumption, and so on. In particular, inefficient ... Read more
Analysis of hierarchical cluster-based energy-aware routing protocols in WSNs for SDWSN application

Author: Molose, RSS ; Isong, B ; Dladlu, N ; Abu-Mahfouz, Adnan MI Date: Dec 2021 Energy consumption is a typical challenge that is inherent in wireless sensors networks (WSN). Despite the proposals and the development of several routing protocols and Software-defined WSN (SDWSN) introduction to address the challenge and ... Read more
Analysis of IoT-based vehicle anti-theft security

Author: Thamoethata, K ; Isong, B ; Dladlu, N ; Abu-Mahfouz, Adnan MI Date: Nov 2021 A vehicle anti-theft system is a security system that prevents authorized use of a vehicle and its theft. Vehicle theft and hijacking are skyrocketing on daily basis despite the swift technological advancements the world is witnessing. Several ... Read more
Analysis of uniformity in steering capability of an ESPAR antenna

Author: Ebrahim, Rozeena ; Mthethwa, Nosipho B ; Lysko, Albert A Date: Nov 2022 This paper looks at design considerations for an Electronically Steerable Parasitic Array Radiator (ESPAR) antenna suitable for inexpensive large-scale wireless network technologies. This can help address the demand for a cheaper, simpler, ... Read more
Antenna research directions for 6G: A brief overview through sampling literature

Author: Olwal, TO ; Chuku, PN ; Lysko, Albert A Date: Mar 2021 Antennas are a critical component in any wireless link. The significance of their role continues to grow, together with the rise of machine-to-machine (M2M) communications and telecommunications starting to move from the fourth generation ... Read more
Antenna research directions for 6G: A brief overview through sampling literature

Author: Olwal, TO ; Chuku, PN ; Lysko, Albert A Date: Mar 2021 Antennas are a critical component in any wireless link. The significance of their role continues to grow, together with the rise of machine-to-machine (M2M) communications and telecommunications starting to move from the fourth generation ... Read more
Approximating a Zulu GF concrete syntax with a neural network for natural language understanding

Author: Marais, Laurette Date: Sep 2021 Multilingual Grammatical Framework (GF) domain grammars have been used in a variety of different applications, including question answering, where concrete syntaxes for parsing questions and generating answers are typically required for each ... Read more
Aquaculture and fisheries decision support tool

Author: Smith, Marie E ; Vhengani, Lufuno M Date: May 2023 This presentation speaks to the challenges with environmental threats such as Harmful Algal Blooms (HABs) and ocean heatwaves that have the potential to negatively affect natural and farmed marine resources. Also, monitoring these events ... Read more
An architecture to negotiate and monitor energy exchanges in the smart microgrid

Author: Smith, Andrew C Date: Aug 2022 Traditional electrical power sources and their long distribution networks can no longer cope with the ever-increasing need for energy. Distributed energy generation in close geographical proximity to the consumption point is an alternative ... Read more
Artificial intelligence-driven intrusion detection in software-defined wireless sensor networks: Towards secure IoT-enabled healthcare systems

Author: Umba, SMW ; Abu-Mahfouz, Adnan MI ; Ramotsoela, D Date: Apr 2022 Wireless Sensor Networks (WSNs) are increasingly deployed in Internet of Things (IoT) systems for applications such as smart transportation, telemedicine, smart health monitoring and fall detection systems for the elderly people. Given that ... Read more
Assessing information security behaviour: A self-determination theory perspective

Author: Gangire, Y ; Da Veiga, A ; Herselman, Martha E Date: Oct 2021 This paper outlines the development of a validated questionnaire for assessing information security behaviour. The purpose of this paper is to present data from the questionnaire validation process and the quantitative study results. Read more

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