Author:Masonta, Moshe T; Kliks, A; Mzyece, MDate:Sep 2013The global migration of television (TV) from analogue to digital broadcast will see a large amount of TV spectrum available (called TV white space - TVWS) for other services such as mobile and broadband wireless access (BWA). Leading spectrum ...Read more
Author:Sibolla, Bolelang H; Coetzee, S; Van Zyl, TLDate:Dec 2018Sensor networks generate substantial amounts of frequently updated, highly dynamic data that are transmitted as packets in a data stream. The high frequency and continuous unbound nature of data streams leads to challenges when deriving ...Read more
Author:Van der Merwe, MD; Grobbelaar, SS; Meyer, Isabella A; Schutte, CL; Von Leipzig, KHDate:Nov 2020Enterprises operating at the Base of the Pyramid (BoP) find it difficult to simultaneously achieve economic (profitable growth) and social (poverty alleviation) outcomes. This study builds on a previously published systematic literature review ...Read more
Author:Oosthuizen, Rudolph; Roodt, JH; Pretorius, LDate:Sep 2011System Engineering is the process of identifying, implementing and maintaining solutions to real world problems. Some problems tend to be messy with no single solution or set of effective and accurate requirements, often resulting in ...Read more
Author:Joubert, JW; Ittmann, HWDate:Jul 2005Administrators and regulators often attempt to intervene in logistics and supply chain activities. This paper proposes a framework to assist administrators with the identification of appropriate stakeholders that should be included when ...Read more
Author:Kfir, RDate:Oct 2000Technology organisations centre their business on the development of new technology-based offerings (i.e., products and services). The strategic management of technology-based assets is therefore crucial for these organisations as an imperative ...Read more
Author:Wall, K; Bhagwan, J; Ive, ODate:May 2007There is a need in South Africa for institutional innovations aimed at increasing the coverage and reliability of water services, and sustaining those services. The paper describes an alternative service delivery institutional concept, viz ...Read more
Author:Wall, K; Bhagwan, J; Ive, ODate:Sep 2010South African research has found that franchising partnerships could alleviate and address many challenges in the operation and maintenance of water services infrastructure. Franchising brings appropriate training to those on-site, and also ...Read more
Author:Ive, O; Wall, K; Bhagwan, JDate:Oct 2011The focus by authorities on the roll-out of new water and sanitation infrastructure for providing services for the previously unserved has often resulted in a reduced focus on maintaining the existing infrastructure and services. When working ...Read more
Author:Wall, KDate:Jul 2008This is a presentation delivered at the 27th SATC (Southern African Transport Conference) conference 2008, focusing on franchising principles and applying these principles to water services infrastructure, operation and maintenanceRead more
Author:Wall, K; Bhagwan, J; Ive, ODate:May 2009South African research has found that franchising partnerships could alleviate and address many challenges in the operation and maintenance of water services infrastructure. Franchising brings appropriate training to those on-site, and also ...Read more
Author:Loveday, Philip W; Rogers, CADate:29 Oct 1998The free vibration of thin cylinders with elastic boundary conditions was analysed by application of the exact solution of the Flugge shell theory equations of motion. The elastic boundaries were represented by distributed linear springs. By ...Read more
Author:Schutte, IC; Roodt, LDe VDate:02 Jun 2009Speed plays an important role in the justification of road infrstructure projects. It affects both vehicle operating cost and travel time cost. If incorrecr values for speed are used in the economic analyses of transport projects, incorrect ...Read more
Author:Rosales-Guzmán, C; Trichili, A; Dudley, Angela L; Ndagano, B; Salem, ABDate:Oct 2016By combining both the azimuthal and radial components of Laguerre-Gaussian modes with wavelength division multiplexing, we generated >100 information channels. We implemented a laboratory free-space link using 35 Laguerre-Gaussian modes and ...Read more
Author:Gailele, Lucas M; Dudley, Angela L; Forbes, ADate:Sep 2018Current communication systems make use of polarization and wavelength multiplexing to increase transmission rates. To offer a further improvement, Orbital Angular Momentum (OAM) modes (or Laguerre-Gaussian modes) provide an infinite dimensional ...Read more
Author:Gailele, Lucas M; Dudley, Angela L; Ndagano, B; McLaren M, M; Rosales, C; Forbes, ADate:Jul 2016The orbital angular momentum (OAM) of light has become the focus of intensive research. Traditional optical communication systems optimize multiplexing in the polarization and the wavelength of light to attain an increase in bandwith. However ...Read more
Author:Heyns, Johan A; Harms, TM; Malan, AGDate:Jun 2011This study presents the development of novel modelling technology for compressible and violent free-surface flows, where the new technology aims to extend the capabilities of existing FSM formulations. For the purpose of this study the ...Read more
Author:Williams, QDate:Oct 2015Ever since the seminal article in the Harvard Business Review claimed that being a data scientist is the ‘sexiest job of the 21st century’, the term data science has been widely adopted in mainstream media when discussing technology and ICT. ...Read more