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Browsing Engineering, Built Environment and Information Technology by Supervisor "Alfa, Attahiru S."
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Sivakumaran, Arun
(University of Pretoria, 2020)
Cognitive radio networks (CRNs) have emerged as a solution for the looming spectrum crunch caused
by the rapid adoption of wireless devices over the previous decade. This technology enables efficient
spectrum utility by ...
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Lall, Shruti
(University of Pretoria, 2015)
Wireless networks are gaining widespread use and popularity because of their progressive
increase in affordability and convenience. Owing to the improved facilitation of communication
and data transfer, wireless networks ...
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Tsimba, Hilary Mutsawashe
(University of Pretoria, 2017)
With the increase in wireless technology devices and mobile users, wireless radio spectrum is coming under strain. Networks are becoming more and more congested and free usable spectrum is running out. This creates a ...
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Angwech, Otim Patricia
(University of Pretoria, 2021)
The advancement of wireless technology has led to an increase in the employment of wireless sensor networks (WSNs). Traditionally, WSNs are powered by batteries. However, the high power consump- tion and the need to change ...
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Awoyemi, Babatunde Seun
(University of Pretoria, 2017)
Cognitive radio networks (CRN) have been tipped as one of the most promising paradigms for next
generation wireless communication, due primarily to its huge promise of mitigating the spectrum
scarcity challenge. To help ...
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Jansen van Vuuren, Pieter Albertus
(University of Pretoria, 2013)
Current wireless networks still employ techniques originally designed for their xed
wired counterparts. These techniques make assumptions (such as a xed topology,
a static enviroment and non-mobile nodes) that are no ...