Now showing items 101-117 of 117

  • Telecommunications bridging between deaf and hearing users in South Africa 

    Glaser, Meryl; Tucker, William David (2004)
    This paper presents a description of telecommunications for Deaf people in South Africa by contrasting the situation in the developed world. We explain the main motivations for providing a locally appropriate solution. ...
  • Telemedicine using VoIP combined with a store and forward approach 

    Chetty, Marshini; Tucker, William David; Blake, Edwin H. (Telkom, 2004)
    Rural areas in South Africa have unique conditions such as remoteness and scarcity of reliable public facilities. Information and Communication Technologies (ICTs) introduced into these areas must be suitable for these ...
  • Telgo323: an H.323 Bridge for deaf telephony 

    Penton, Jason; Tucker, William David; Glaser, Meryl (Telkom, 2002)
    We have developed a prototype bridge that relays text and speech between Teldem, a text telephone for the Deaf, and a standard telephone or H.323 endpoint. Telgo323 uses modified H.323 media gateways and open source Text ...
  • Text Messaging a tool in e-Health services 

    Adesina, Ademola Olusola; Agbele, Kehinde K.; Nyongesa, Henry O. (Telkom, 2010)
    HIV/AIDS continues to be a menace to the global community, especially in sub-Saharan Africa and South Africa is not an exception. The infection rate is continues to grow, in particular, among the young adults. Cell ...
  • Threats to e-government implementation in the civil service: Nigeria as a case study 

    Azeez, Nureni A.; Abidoye, Ademola P.; Adesina, Ademola Olusola; Agbele, Kehinde K.; Oyewole, A.S. (Akamai University, 2012)
    The rapid advancement in Information and Communication Technology (ICT) has undoubtedly influenced positive changes in carrying out administrative functions in government institutions. The ICT adoption rate in Africa is ...
  • Towards a scalability model for wireless mesh networks 

    Om, Shree; Rey-Moreno, Carlos; Tucker, William David (Telkom, 2015)
    Zenzeleni mesh network is a wireless ad-hoc mesh network that provides voice services using public analogue telephones to the Mankosi community in the Eastern Cape Province. We would like to improve on the network ...
  • Towards a sustainable business model for rural telephony 

    Rey-Moreno, Carlos; Roro, Zukile; Siya, Masbulele Jay; Simo-Reigadas, Javier; Bidwell, Nicola J.; Tucker, William David (Telkom, 2012)
    This paper presents the work done thus far towards designing a sustainable business model for rural telephony in the community of Mankosi, located in the Eastern Cape province of South Africa. The pillars of the model are ...
  • Towards communication and information access for deaf people 

    Blake, Edwin H.; Tucker, William David; Glaser, Meryl (SAICSIT, 2014)
    In tightly circumscribed communication situations, an interactive system resident on a mobile device can assist Deaf people with their communication and information needs. The Deaf users considered here use South African ...
  • Towards ensuring scalability, interoperability and efficient access control in a multi-domain grid-based environment 

    Azeez, Nureni A.; Venter, Isabella M. (South African Institute of Electrical Engineers, 2013)
    The application of grid computing has been hampered by three basic challenges: scalability, interoperability and efficient access control which need to be optimized before a full-scale adoption of grid computing can take ...
  • Tuning a mid-range rural WiFi-based mesh network 

    Rey-Moreno, Carlos; Tucker, William David; Simo-Reigadas, Javier (ACM, 2013)
    Little is known about how mid-range, or several km, dis- tances a ect multipoint-to-multipoint links when single ra- dio nodes with omnidirectional antennas are used. In this poster, a real network with these characteristics ...
  • UDCA: Energy optimization in wireless sensor networks using uniform distributed clustering algorithms 

    Abidoye, Ademola P.; Azeez, Nureni A.; Adesina, Ademola Olusola; Agbele, Kehinde K. (Academic Journals Inc., 2011)
    Transceivers are the major energy consumption in a Wireless Sensor Network which is made of low-power, small in size, low cost and multi-functional nodes. These sensor nodes are operated by batteries which put significant ...
  • Unmasking community trust issues in rural field work 

    Ufitamahoro, Marie Josée; Venter, Isabella M.; Tucker, William David; Rey-Moreno, Carlos (ACM, 2013)
    The principal objective of this paper is to describe the au- thor's eldwork and research in a remote rural area of South Africa, where a Village Telco is deployed to provide Voice over Internet Protocol on a wireless mesh ...
  • Usability of an authoring tool for generalised scenario creation for signsupport 

    Duma, Lindokuhle; Chininthorn, Prangnat; Glaser, Meryl; Tucker, William David (Telkom, 2015)
    This paper presents the usability testing results for an authoring tool that generalises scenario creation for a tool called SignSupport. SignSupport is a mobile communication tool for Deaf people that currently runs ...
  • User interfaces for communication bridges across the digital divide 

    Blake, Edwin H.; Tucker, William David (Springer-Verlag, 2006)
    Connecting people across the Digital Divide is as much a social effort as a technological one. We are developing a community-centred approach to learn how interaction techniques can compensate for poor communication across ...
  • Using voice over IP to bridge the digital divide: a critical action research approach 

    Chetty, Marshini; Tucker, William David; Blake, Edwin H. (Telkom, 2003)
    There is a great disparity between those who have access to Information and Communication Technologies (ICTs) and those that do not. This phenomenon forms part of the Digital Divide. Many ICTs may be used to help overcome ...
  • Using wearable sensors for remote healthcare monitoring system 

    Abidoye, Ademola P.; Azeez, Nureni A.; Adesina, Ademola Olusola; Agbele, Kehinde K. (Scientific Research Publishing, 2011)
    Recent technological advances in wireless communications and wireless sensor networks have enabled the design of low-cost, intelligent, tiny, and lightweight medical sensor nodes that can be strategically placed on human ...
  • Web-based telephony bridges for the deaf 

    Glaser, Meryl; Tucker, William David (Telkom, 2001)
    A Teldem provides text-based telephony services to the deaf. Despite an array of text-based communications mechanisms on the web, the Teldem is the only means of synchronous telecommunication available to a deaf person. ...