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Browsing by Author "Olwal, T"

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  • Olwal, T; Masonta, M; Mekuria, F; Roux, K (InTech, 2012-08)
    Next generation fixed wireless broadband networks have immensely been deployed as mesh networks in order to provide and extend access to the internet. These networks are characterised by the use of multiple orthogonal ...
  • Olwal, T; Masonta, M; Mfupe, L; Mzyece, M (IST Africa 2013 Conference Proceedings, 2013-05)
    The paper reviews the broadband ICT policy initiatives in Southern Africa with a focus on the status and trends following the commission of ITU member states by the World Summit on the Information Society in 2003. The paper ...
  • Awuor, F; Djouani, K; Noel, G; Olwal, T (IEEE Africon 2011, 2011-09)
    Link adaptation provides an efficient and flexible strategy to adapt transmission rates based on channel conditions. To attain distributed optimal local and global utility, network interference need to be mitigated therein ...
  • Mfupe, L; Masonta, M; Olwal, T; Mzyece, M (2012-09)
    Dynamic spectrum access (DSA) technologies are increasingly viewed as a potential solution to improve overall spectral utilisation efficiency and for bridging the digital divide in the rural areas. In particular, DSA ...
  • Masonta, MT; Olwal, T; Ntlatlapa, N (IST-Africa 2010, 2010-05)
    In the past decade, the access to telephone services has increased drastically due to the deployment of wireless technologies and liberalization of telecommunications markets. But internet access in most African rural ...
  • Dludla, AG; Bembe, M; Olwal, T; Kyun Choi, J (IEEE Xplore, 2013-10)
    SWEET routing protocol is one of the many pro- tocols developed for cluster formation and routing in wireless sensor networks. The SWEET protocol is a decentralized clus- tering protocol, it uses timers and interim updated ...
  • 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 ...
  • Dlodlo, N; Olwal, T; Mvelase, P (IST-Africa 2012, 2012-05)
    There continues to be high expectations of the government from the citizens of South Africa to improve the delivery of services , and hence the need to come up with comprehensive measures to alleviate the problem. This ...
  • Awuor, F; Djouaniy, K; Noelz, G; Olwal, T (SATNAC 2011, 2011-09)
    Nodes in ad hoc networks are autonomous and selfconfiguring with no form of centralized administration such that nodes are free to selfishly optimize their individual utilities without considering utilities of other network ...
  • Masonta, MT; Olwal, T; Mzyece, M; Ntlatlapa, N (Southern Africa Telecommunication Networks and Applications Conference (SATNAC), 2010-09)
    Cognitive Radio (CR) is seen as a key enabling technology for addressing current under-utilization and inefficient use of radio frequency spectrum. The use of CR will see most of the spectrum white spaces being used ...
  • Masonta, MT; Olwal, T; Mekuria, F; Mzyece, M (2014-08)
    In television white space networks, secondary users are required to query an authorised geo-location spectrum database (GSDB) in order to determine the vacant channels or white spaces. While recent development of the ...