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An experimental investigation into high bandwidth wireless communication standards for the underground mine stope

Author: Chetty, Brenton L ; Isaac, Sherrin J ; Walingo, T Date: Sep 2023 There are many challenges associated with developing a feasible wireless communication system for the harsh underground mining environment. Radio signals suffer from strong attenuations due to the excessive reflections, diffractions, scatterings, ... Read more
Implementation of an indoor localisation algorithm for Internet of Things

Author: Sotenga, PZ ; Djouani, K ; Kurien, AM ; Mwila, Martin Date: Jun 2020 Internet of Things (IoT) is usually associated with the acquisition of sensor node information and controlling of things. However, the inadequateness of location information of these sensor nodes compromises the intelligence of the IoT network. ... Read more
Implementing the Internet of Things vision in industrial wireless sensor networks

Author: Kruger, Carel P ; Hancke, GP Date: Jul 2014 The authors of this paper explore the use of IPv6 over Low power Wireless Personal Area Networks (6LoWPAN), IPv6 Routing Protocol for Low power and Lossy Networks (RPL) and Constrained Application Protocol (CoAP) as a possible solution for ... Read more
Improving northbound interface communication in SDWSN

Author: Pritchard, SW ; Malekian, R ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Oct 2017 Software-Defined Wireless Sensor Networking (SDWSN) is an emerging paradigm that seeks to alleviate the inherent resource constraint issues present in Wireless Sensor Networks (WSN) by adopting a Software-Defined Networking (SDN) approach to ... Read more
Localisation system in wireless sensor networks using ns-2

Author: Abu-Mahfouz, Adnan MI Date: Apr 2012 This project presents an extension to the current version of ns-2, which enables a normal user, who has basic knowledge of ns-2, to simulate localization system within a wireless network. Moreover, this project would be beneficial to researchers ... Read more
A mechanism for energy efficiency in cognitive radio sensor networks based on sleep-wake scheduling strategy

Author: Ntshabele, K ; Isong, B ; Abu-Mahfouz, Adnan MI Date: Dec 2021 Inefficient energy utilization in the cognitive radio sensor networks (CRSNs) is a serious challenge that adversely affects its performance and quality of service (QoS). Several different strategies and mechanisms have been proposed and ... Read more
Network restoration in wireless sensor networks for next-generation applications

Author: Awoyemi, BS ; Alfa, Attahiru S ; Maharaj, BT Date: Sep 2019 This paper investigates highly efficient network restoration models for wireless sensor networks (WSNs) to be deployed for next-generation (xG) applications. The developed network restoration models are designed with two main goals in mind. ... 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
Programmable node in software-defined wireless sensor networks: A review

Author: Egidius, PM ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Oct 2018 Wireless Sensor Networks (WSN) and the Internet of Things play a critical role in many applications ranging from monitoring, tracking and surveillance, social enhancement and many more. Although WSN is used for applications above, still there ... Read more
A review of wireless sensor network localisation based on software defined networking

Author: Cloete, OP ; Abu-Mahfouz, Adnan MI ; Hancke, GP Date: Feb 2019 A strong relationship exists between the relevancy of sense data and the location of the data's origin. Current methods for localisation are too demanding on the resources of constrained devices or have high estimation errors. Software Defined ... Read more
Security in software-defined wireless sensor networks: threats, challenges and potential solutions

Author: Pritchard, SW ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Jul 2017 A Software-Defined Wireless Sensor Network (SD-WSN) is a recently developed model which is expected to play a large role not only in the development of the Internet of Things (IoT) paradigm but also as a platform for other applications such ... Read more
Software defined wireless sensor networks management and security challenges: A review

Author: Thupae, R ; Isong, B ; Gasela, N ; Abu-Mahfouz, Adnan MI Date: Jan 2018 Software defined networking (SDN) is a paradigm developed to cope with inherent limitations posed by the lack of flexibility in the traditional networking architecture like the Wireless Sensor Network (WSN). The application of SDN in WSN has ... Read more
Topology discovery protocol for software defined wireless sensor network: Solutions and open issues

Author: Kipongo, J ; Olwal, TO ; Abu-Mahfouz, Adnan MI Date: Jun 2018 The fusion of the two models Software Defined Network (SDN) and Wireless Sensor Network (WSN), gives rise to a new paradigm called Software defined wireless sensor networks (SDWSN). One of the core concepts of SDN is the separation of the ... Read more
Towards a distributed control system for software defined wireless sensor networks

Author: Kobo, Hlabishi I ; Hancke, GP ; Abu-Mahfouz, Adnan MI Date: Oct 2017 Software Defined Networking (SDN) is a developing networking paradigm that advocates a complete overhaul of the conventional networking. SDN decouples the control logic from the data forwarding functionality; which traditionally are coupled ... Read more
Towards an ultra-low-power electronically controllable array antenna for WSN

Author: Lysko, Albert A Date: Sep 2012 This paper discusses steps towards a low-power beam-switching array antenna suitable for wireless sensor network (WSN) applications. Such an antenna will help to improve the signal to noise ratio (SNR), and thus throughput, latency and other ... Read more
Trust management framework for securing software-defined wireless sensor networks

Author: Isong, B ; Manuel, M ; Dladlu, N ; Abu-Mahfouz, Adnan MI Date: Nov 2023 The growing application of wireless sensor networks (WSN) has unveiled several opportunities for innovative services and data-driven applications. However, the WSN's inherent vulnerabilities and challenges have raised considerable concerns ... Read more
Wireless sensor network-based improved NPW leakage detection algorithm for real-time application in pipelines

Author: Adedeji, K ; Hamam, Y ; Abe, B ; Abu-Mahfouz, Adnan MI Date: Sep 2016 With increasing population in South Africa coupled with improved standard of living, the demand for water has increased dramatically in the past few years. To meet this demand and for effective water supply, the water loss through leakages ... Read more

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