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Browsing Wireless technologies by Issue Date

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  • Olwal, TO; Ntlatlapa, Ntsibane S; Hamam, Y; Aron, F; Van Wyk, BJ; Johnson, DL (2008-09)
    This paper presents an analytical model for the selection of the transmission power based on the bi-directional medium access information. Most of dynamic transmission power control algorithms are based on the single ...
  • Macagnano, EV (2008-09)
    This presentation asks the question "Is the design & structure of our cities conducive to accessibility for all?" The main focus areas of this project are: 1. The People (focus on the aged and people with disabilities), ...
  • Ngobeni, SJ; Venter, HS (2008-09)
    There are currently many different types of wireless crime investigation tools designed for different purposes in order to track down intruders of wireless crime, like Intrusion Detection Systems (IDSs), Wlan-Jack, HotSpotter, ...
  • Aron, FO; Olwal, TO; Kurien, A; Hamam, Y (2nd IASTED Africa Conference on Modelling and Simulation - AfricaMS 2008, 2008-09)
    Wireless mesh networks (WMNs) is becoming a promising new technology for extending coverage to farflung rural areas. This it achieves by linking the various wireless LANS (WLANs) in distant locations thus providing a vital ...
  • Olwal, TO; Van Wyk, BJ; Djouani, K; Hamam, Y; Siarry, P; Ntlatlapa, Ntsibane S (ADHOC-NOW Networks & Wireless 2008, 2008-09)
    Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in WMNs. Previous studies have emphasized throughput maximization in such systems as the main design challenge and transmission power control treated ...
  • Pitse-Boshomane, MM; Marais, Mario A; Morris, CF; Roux, K; Van Rensburg, R; Herselman, Martha E; Makan, AK; Mulder, I (2008-10)
    Members of the Meraka Institute of the CSIR have been active in ICT for Development (ICT4D) activities in South Africa and Africa over the last ten years or more. An overview of the lessons learned in the areas of Community ...
  • Botha, Adèle; Traxler, J; Ford, M (2008-10)
    Designing, implementing and evaluating educational technology for a developmental project in mobile learning is largely unchartered territory. This paper reflects on the process, the role-players, their contributions and ...
  • Olwal, T; Okech, J; Hamam, Y; Kurien, A; Odhiambo, M (IFIP International Symposium on Wireless Communications and Information Technology in Developing Countries, 2008-10)
    As Voice over IP (VoIP) becomes a reality, service providers will be able to offer the service to remote and over populated areas that currently are not or are only partially reached by available Public Switched Telephone ...
  • Vogt, D; Brink, AVZ; Stewart, R; Donovan, SJ; Haarhoff, J (3rd International Platinum conference: platinum in Transformation, 2008-10)
    South African underground hard rock mines are typically managed using measurements made daily, weekly or even monthly of key parameters face advance, readiness to blast, blast success, temperature or dust levels. Health, ...
  • Botha, Adèle; Ford, M (2008-10)
    Technology has changed the world we live in and has come to be both villified and acclaimed, often for the same reasons. Whilst mobile phones in particular, have tremendous potential as knowledge exchange devices in the ...
  • Butgereit, L (2008-10)
    Rural Africa is in need of qualified teachers in mathematics and science for primary and secondary school. Classrooms in rural Africa are often benches under a tree. The teachers themselves often have limited education in ...
  • Johnson, D; Ntlatlapa, Ntsibane S; Aichele, C (2008-10)
    Development and performance analysis of ad hoc networking protocols has typically been performed by making use of software based simulation tools. However when running a routing protocol such as OLSR in large mesh network ...
  • Butgereit, L (2008-10)
    Rural Africa is in need of qualified teachers in mathematics and science for primary and secondary school. Classrooms in rural Africa are often benches under a tree. The teachers themselves often have limited education in ...
  • Stewart, R; Donovan, SJ; Haarhoff, J; Brink, V; Vogt, D (2008-11)
    Labour-intensive drill-and-blast mining, as conducted on the major South African gold and platinum mines, is often not tightly managed due to the lack of good information about what is going on underground. As a result, ...
  • Olwal, TO; Djouani, K; van Wyk, BJ; Hamam, Y; Siarry, P; Ntlatlapa, Ntsibane S (World Academy of Science, Engineering and Technology (WASET), 2009)
    Multi-Radio Multi-Channel (MRMC) systems are key to power control problems in wireless mesh networks (WMNs). In this paper, we present asynchronous multiple-state based power control for MRMC WMNs. First, WMN is represented ...
  • Morris, CF (IST Africa 2009, 2009)
    ICTs have been identified as the catalyst to assist developing countries bridge the development chasm thus alleviating the effects of poverty. However, Africa is littered with ICT projects that have failed or struggle to ...
  • Olwal, TO; Van Wyk, MA; Van Wyk, BJ (World Academy of Science, Engineering and Technology, 2009)
    In this paper the authors present a soft timing phase estimation (STPE) method for wireless mobile receivers operating in low signal to noise ratios (SNRs). Discrete Polyphase Matched (DPM) filters, a Log-maximum a posterior ...
  • Olwal, TO; Van Wyk, BJ; Hamam, Y; Ntlatlapa, Ntsibane S (IEEE, 2009)
    This paper addresses the problem of a scalable dynamic power control (SDPC) for wireless mesh networks (WMNs) based on IEEE 802.11 standards. An SDPC model that accounts for architectural complexities witnessed in multiple ...
  • Mhlanga, Martin M; Nyandeni, TC; Olwal, TO; Ntlatlapa, Ntsibane S; Adigun, MO (2009)
    The IEEE 802.11s working group has commenced activities, which would lead to the development of a standard for wireless mesh networks (WMNs). The draft of 802.11s introduces a new path selection metric called airtime link ...
  • Ford, M; Botha, Adèle (2009-03)
    Historically Africa and it's people have faced many practical problems in their race towards digital inclusion and economic progress, such as a severe lack of infrastructure and resources. However, the advent of the cell ...

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