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Browsing Journal Articles by Author "Hancke, GP"

Now showing items 21-40 of 47

From Industry 4.0 to Agriculture 4.0: Current status, enabling technologies, and research challenges

Author: Liu, Y ; Ma, X ; Shu, L ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Jun 2020 The three previous industrial revolutions profoundly transformed agriculture industry from indigenous farming to mechanized farming and recent precision agriculture. Industrial farming paradigm greatly improves productivity, but a number of ... Read more
Generalized self-tuning system for adaptive threshold estimators in cognitive radio systems using swarm and evolutionary-based approaches

Author: Onumanyi, Adeiza J ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Jan 2021 Parameter-based adaptive threshold estimators (ATEs) are widely used for signal detection in cognitive radio (CR) systems. However, their performance deteriorates under dynamic spectra conditions owing to a lack of valid methods to accurately ... Read more
Generic SDN-Based Modular Management System for Wireless Sensor Networks

Author: Ndiaye, M ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Jul 2019 Software-defined networking (SDN) promises a wide range of application benefits to the Internet of Things (IoT) including the flexible management of wireless sensor networks (WSNs). While the integration of SDN techniques in WSNs is being ... Read more
Histogram partitioning algorithms for adaptive and autonomous threshold estimation in cognitive radio–based industrial wireless sensor networks

Author: Onumanyi, Adeiza J ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Jul 2019 Modern energy detectors typically use adaptive threshold estimation algorithms to improve signal detection in cognitive radio–based industrial wireless sensor networks (CR‐IWSNs). However, a number of adaptive threshold estimation algorithms ... Read more
A hybrid multi-Class MAC protocol for IoT-enabled WBAN systems

Author: Olatinwo, DD ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Mar 2021 This study proposes a hybrid MAC protocol that can efficiently and effectively optimize the communication channel access of a WBAN multi-class system. The proposed protocol consists of two major processes that include the contention phase ... Read more
Impact of mobility speed and network density on the performance of vehicular ad hoc network routing protocols

Author: Osifeko, MO ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Aug 2022 Vehicular Ad Hoc Network (VANET) is a type of network that facilitates communication between vehicles usually on highways or in any environment with vehicular traffic such as a parking space. The dynamic nature of vehicular movements makes ... Read more
Improving the sustainability of confirmed traffic in LoRaWANs through an adaptive congestion scheme

Author: Marais, JM ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Dec 2022 The scalability of long-range wide area networks (LoRaWANs) is known to be very sensitive to the presence of traffic from gateways (GWs) to end devices (downlink (DL) traffic). The protocol supports confirmed traffic, for which DL traffic is ... Read more
Interference avoidance resource allocation for D2D-enabled 5G narrowband Internet of Things

Author: Gbadamosi, SA ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Nov 2022 In dense, interference-prone 5G narrowband Internet of Things (NB-IoT) networks, device-to-device (D2D) communication can reduce the network bottleneck. We propose an interference-avoidance resource allocation for D2D-enabled 5G NB-IoT systems ... Read more
IoT in the wake of COVID-19: A survey on contributions, challenges and evolution

Author: Ndiaye, M ; Oyewobi, SS ; Abu-Mahfouz, Adnan MI ; Hancke, GP ; Kurien, AM ; Djouani, K Date: Oct 2020 The novel coronavirus (COVID-19), declared by the World Health Organization (WHO) as a global pandemic, has brought with it changes to the general way of life. Major sectors of the world industry and economy have been affected and the Internet ... Read more
Localised information fusion techniques for location discovery in wireless sensor networks

Author: Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Jan 2018 Many wireless sensor network (WSN) applications and techniques require sensor location to work correctly. Information fusion in WSNs is crucial for location discovery and many information fusion techniques have been used in several ... Read more
Low power wide area network, cognitive radio and the Internet of Things: Potentials for integration

Author: Onumanyi, Adeiza J ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Nov 2020 The Internet of Things (IoT) is an emerging paradigm that enables many beneficial and prospective application areas, such as smart metering, smart homes, smart industries, and smart city architectures, to name but a few. These application ... Read more
Open hardware: a role to play in wireless sensor networks?

Author: Fisher, R ; Ledwaba, Lehlogonolo ; Hancke, GP ; Kruger, Carel P Date: Mar 2015 The concept of the Internet of Things is rapidly becoming a reality, with many applications being deployed within industrial and consumer sectors. At the ‘thing’ level—devices and inter-device network communication—the core technical building ... Read more c b d
Overlay virtualized wireless sensor networks for application in industrial internet of things: A review

Author: Nkomo, M ; Hancke, GP ; Abu-Mahfouz, Adnan MI ; Sinha, S ; Onumanyi, Adeiza J Date: Sep 2018 In recent times, Wireless Sensor Networks (WSNs) are broadly applied in the Industrial Internet of Things (IIoT) in order to enhance the productivity and efficiency of existing and prospective manufacturing industries. In particular, an area ... Read more
Performance costs of cryptography in securing new-generation Internet of Energy endpoint devices

Author: Ledwaba, Lehlogonolo PI ; Hancke, GP ; Venter, HS ; Isaac, Sherrin J Date: Jan 2018 In past years, cryptography has been considered a difficult task to achieve on sensor nodes for the Internet of Energy (IoE) owing to the resource-constrained nature of 8-bit and 16-bit microcontroller units (MCUs). Previous attempts at ... Read more
Positioning system in wireless sensor networks using NS-2

Author: Abu-Mahfouz, Adnan MI ; Hancke, GP ; Isaac, Sherrin J Date: Oct 2012 The practical difficulties of setting up a wireless sensor network (WSN) and analysing its performance have made simulation essential for the study of WSNs. The ns-2 network simulator is one of the most widely used tools by researchers to ... Read more
Practical challenges of attack detection in microgrids using machine learning

Author: Ramotsoela, DT ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Jan 2023 The move towards renewable energy and technological advancements in the generation, distribution and transmission of electricity have increased the popularity of microgrids. The popularity of these decentralised applications has coincided ... Read more
SDNMM—A Generic SDN-Based Modular Management System for Wireless Sensor Networks

Author: Ndiaye, M ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Jul 2019 Software-defined networking (SDN) promises a wide range of application benefits to the Internet of Things (IoT) including the flexible management of wireless sensor networks (WSNs). While the integration of SDN techniques in WSNs is being ... Read more
Smart microgrid energy market: Evaluating distributed ledger technologies for remote and constrained microgrid deployments

Author: Ledwaba, Lehlogonolo PI ; Hancke, GP ; Isaac, Sherrin J ; Venter, HS Date: Mar 2021 The increasing strain on ageing generation infrastructure has seen more frequent instances of scheduled and unscheduled blackouts, rising reliability on fossil fuel based energy alternatives and a slow down in efforts towards achieving universal ... Read more
Software defined networking for improved wireless sensor network management: a survey

Author: Ndiaye, M ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: May 2017 Wireless sensor networks (WSNs) are becoming increasingly popular with the advent of the Internet of things (IoT). Various real-world applications of WSNs such as in smart grids, smart farming and smart health would require a potential ... Read more
Software-defined power grids: A survey on opportunities and taxonomy for microgrids

Author: Ndiaye, M ; Hancke, GP ; Abu-Mahfouz, Adnan MI ; Zhang, H Date: Jul 2021 Future generation power grids will require the introduction and deployment of distributed energy resources to meet modern-day load requirements. Consequently, we expect to see a rise in microgrids (MGs) existing as part of the main grid ... Read more

Now showing items 21-40 of 47

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