Now showing items 86-105 of 117

  • Secure contactless smart card transactions on mobile devices 

    Poroye, Adeola; Tucker, William David; Norman, Michael (Telkom, 2009)
    This paper presents work in progress to explore the utility of Near Field Communication technology to secure mobile financial services. The objective is to evaluate the potential of this approach as an upcoming technology ...
  • Security of a Mesh Potato Network in Ad Hoc Mode 

    Mauwa, H.; Tucker, William David (Telkom, 2013)
    Wireless Mesh Networks can provide low cost and reliable community-owned connectivity in developing rural areas. A rural community can use mesh networks to access a wide range of modern information and communication ...
  • SignSupport: a limited communication domain mobile aid for a Deaf patient at the pharmacy 

    Motlhabi, Michael B.; Glaser, Meryl; Tucker, William David (Telkom, 2013)
    This paper discusses a prototype for a communication aid on a mobile phone to support a Deaf1 person visiting a public hospital pharmacy. The aim is to prevent problems of non-compliance to treatment due to poor communication ...
  • SIP presence location service 

    Wu, Wilson; Radovanovic, Aleksandar; Tucker, William David (Telkom, 2005)
    This paper presents an innovative use of the Session Initiation Protocol (SIP) for the subscription and notification of geographic information in order to provide a privacy concerned location-based service. SIP is a signaling ...
  • Situation-aware routing based on link quality for static mesh networks with mobile nodes 

    Kobo, Hlabishi Isaac; Tucker, William David; Liu, Xiao Ming (Telkom, 2011)
    Situation-aware routing seeks to improve quality of service on hybrid wireless mesh networks by making routing decisions based on the current situation of the network. BATMAN-adv is a mesh routing protocol that counts ...
  • Situation-aware routing for wireless mesh networks with mobile nodes 

    Kobo, Hlabishi Isaac; Tucker, William David (IIMC International Information Management Corporation, 2012)
    This paper describes a situation-aware algorithm based on the current situation of a mesh network with mobile nodes that improves quality of service. After running laboratory performance tests, we concluded that a ...
  • Socially aware software engineering for the developing world 

    Blake, Edwin H.; Tucker, William David (IIMC International Information Management Corporation, 2006)
    While the social effects of Information Technology (IT) have received much attention there is very little work on targeted methodologies to develop IT applications and content in a developing world environment. This paper ...
  • Socio-economic aspects of voice-over-IP technology in rural SA 

    Roro, Zukile; Rey-Moreno, Carlos; Tucker, William David; Siya, Masbulele Jay (Telkom, 2012)
    This paper describes work in progress towards developing a business case and preliminary design for an 802.11-based mesh network in the remote rural community of Mankosi in the Eastern Cape province of South Africa. Aside ...
  • SoftBridge in action: the first Deaf telephony pilot 

    Tucker, William David; Glaser, Meryl; Lewis, John (Telkom, 2003)
    Following on several partial prototypes, we built an automated Deaf Telephony bridging application with the SoftBridge platform. The SoftBridge performs multi-modal bridging in real-time using Text-to-Speech (TTS) and ...
  • A Softbridge with carrier grade reliability using JAIN SLEE 

    Sun, Tao; Tucker, William David (Telkom, 2004)
    We have built a SoftBridge prototype within a JAIN (Java APIs for the Integrated Network) SLEE (Service Logic Execution Environment). A SoftBridge is a semi-synchronous multimodal IP (Internet Protocol) -based communication ...
  • SoftBridge: a multimodal instant messaging bridging system 

    Lewis, John; Tucker, William David; Blake, Edwin H. (Telkom, 2003)
    Instant Messaging is traditionally a text only a air. However, there are instances when it would be useful to bridge to other types of media, like speech. The SoftBridge is an application framework that enables this kind ...
  • SoftBridge: an architecture for building IP-based bridges over the digital divide 

    Lewis, John; Tucker, William David; Blake, Edwin H. (Telkom, 2002)
    Users and computing equipment have varying capabilities that include the abilities to exchange text and audio, engage in high bandwidth communication, etc. As the technological options increase, e ective communication ...
  • State-of-the-art review on relevance of genetic algorithm to internet web search 

    Agbele, Kehinde K.; Adesina, Ademola Olusola; Ekong, Daniel; Ayangekun, Oluwafemi (Hindawi Publishing Corporation, 2012)
    People use search engines to find information they desire with the aim that their information needs will be met. Information retrieval (IR) is a field that is concerned primarily with the searching and retrieving of ...
  • Strategies for information management in education: some international experience 

    Bytheway, Andrew J.; Venter, Isabella M. (AOSIS Open Journals, 2013)
    Background: Recent analysis of the management of information and communications technologies in South African education suggests strongly that there is only limited strategic thinking that might guide policy-makers, school ...
  • A surface acoustic wave touchscreen-type device using two transducers 

    Ghaziasgar, Mehrdad; Connan, James (2008)
    Current wireless human-computer interaction devices such as wireless mice and touchscreens, by and large, incorporate a sophisticated electronic architecture. The sophistication achieves wireless capabilities but carries ...
  • 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 ...