Author:Mathebula, I; Isong, B; Gasela, N; Abu-Mahfouz, Adnan MIDate:Nov 2020Software-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
Author:Molose, RSS; Isong, B; Dladlu, N; Abu-Mahfouz, Adnan MIDate:Dec 2021Energy 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
Author:Masengo Wa Umba, S; Ramotsoela, TD; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Jun 2019Nowadays, Wireless Sensor Networks (WSNs) are intensively used in highly sensitive environments such as water treatment plants, airports and hospitals. For this reason, the security of communications in WSNs is a very critical problem that ...Read more
Author:Egidius, P; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Jun 2019The Software Defined Network (SDN) concept has been proposed to be utilized in the traditional Wireless Sensor Network (WSN) applications such as Internet of Things (IoTs), traffic engineering and smart grid, etc. The SDN Concept is an ideal ...Read more
Author:Cloete, OP; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Jun 2019The strong relationship between the relevancy of sensory data and the physical location of the from which the data originates, has led to a growth in the need for efficient localisation techniques within Wireless Sensor Networks(WSN). It has ...Read more
Author:Pritchard, SW; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Jun 2018The Software-Defined Wireless Sensor Networking (SDWSN) paradigm aims to solve inherent issues present in Wireless Sensor Networks (WSN), such as resource constraints, by adopting a Software-Defined Networking (SDN) approach to the management ...Read more
Author:Chetty, Brenton L; Isaac, Sherrin J; Walingo, TDate:Sep 2023There 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
Author:Sotenga, PZ; Djouani, K; Kurien, AM; Mwila, MartinDate:Jun 2020Internet 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
Author:Kruger, Carel P; Hancke, GPDate:Jul 2014The 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
Author:Pritchard, SW; Malekian, R; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Oct 2017Software-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
Author:Abu-Mahfouz, Adnan MIDate:Apr 2012This 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
Author:Ntshabele, K; Isong, B; Abu-Mahfouz, Adnan MIDate:Dec 2021Inefficient 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
Author:Awoyemi, BS; Alfa, Attahiru S; Maharaj, BTDate:Sep 2019This 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
Author:Abu-Mahfouz, Adnan MI; Hancke, GP; Isaac, Sherrin JDate:Oct 2012The 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
Author:Egidius, PM; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Oct 2018Wireless 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
Author:Cloete, OP; Abu-Mahfouz, Adnan MI; Hancke, GPDate:Feb 2019A 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
Author:Pritchard, SW; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Jul 2017A 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
Author:Thupae, R; Isong, B; Gasela, N; Abu-Mahfouz, Adnan MIDate:Jan 2018Software 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
Author:Kipongo, J; Olwal, TO; Abu-Mahfouz, Adnan MIDate:Jun 2018The 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
Author:Kobo, Hlabishi I; Hancke, GP; Abu-Mahfouz, Adnan MIDate:Oct 2017Software 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