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Browsing by Author "Olwal, T"

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Increasing supported VoIP flows in WMNs through link-based aggregation

Author: Olwal, T ; Okech, J ; Hamam, Y ; Kurien, A ; Odhiambo, M Date: Oct 2008 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 Network (PSTN). The ... Read more
The Internet of Things in bridging the gap in municipal service delivery in South Africa

Author: Dlodlo, N ; Olwal, T ; Mvelase, P Date: May 2012 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 paper proposes the ... Read more
Rate adaptation in ad hoc networks based on pricing

Author: Awuor, F ; Djouaniy, K ; Noelz, G ; Olwal, T Date: Sep 2011 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 users. This compels ... Read more
Real-time spectrum occupancy measurements based on the energy detection method in cognitive radios

Author: Lebese, J ; Olwal, T ; Mfupe, Luzango P Date: Sep 2021 Spectrum occupancy measurements have become vital due to the proliferation of radio users. Literature shows that most of the allocated spectrum is used sporadically. This brings in the idea of dynamic spectrum access techniques using Cognitive ... Read more
Solar PV powered mobile cellular base station: Models and use cases in South Africa

Author: Aderemi, BA ; Chowdhury, SPD ; Olwal, T ; Abu-Mahfouz, Adnan MI Date: Sep 2017 The huge costs of operating a mobile cellular base station, and the negative impact of greenhouse gasses on the environment have made the solar PV renewable energy source a sought after. In addition to cost and environmental factor, abundant ... Read more
Spectrum access games for cognitive radio networks

Author: Masonta, Moshe T ; Olwal, T ; Mzyece, M ; Ntlatlapa, Ntsibane S Date: Sep 2010 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 opportunistically without ... Read more
Standard compliant channel selection scheme for TV white space networks

Author: Masonta, Moshe T ; Olwal, T ; Mekuria, Fisseha ; Mzyece, M Date: Aug 2014 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 Protocol to Access White ... Read more

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Browsing by Author "Olwal, T"

Browsing by Author "Olwal, T"

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