ResearchSpace
→
Browsing by Author

Browsing by Author "Mfupe, Luzango P"

Now showing items 1-20 of 27

Next Page

Affordable connectivity and digital entrepreneurial ecosystem for rural Africa

Author: Mekuria, Fisseha ; Mzyece, M ; Mfupe, Luzango P ; Odusola, A Date: Sep 2021 Innovation on sustainable ICT technologies to realize affordable broadband connectivity for rural and underserved communities is a crucial component of the effort to achieve the aim of "leaving no one behind by 2030" as championed by the ... Read more
Broadband ICT policies in Southern Africa: Initiatives and dynamic spectrum regulation

Author: Olwal, T ; Masonta, Moshe T ; Mfupe, Luzango P ; Mzyece, M Date: May 2013 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 also presents the ... Read more
Capacity, coverage and power profile performance evaluation of a novel rural broadband services exploiting TVWS from high altitude platform

Author: Hussien, HM ; Katzis, K ; Mfupe, Luzango P ; Bekele, ET Date: Jun 2022 The coverage and capacity of exploiting TV White Spaces (TVWS) from High Altitude Platforms (HAPs) with multiple antenna payloads using uniform rectangular phased array (URA) antennas are explored in this article. A scenario is suggested in ... Read more
Coexistence of TV white space devices and DTV services in Ethiopian geolocation white space spectrum database

Author: Hussien, HM ; Katzis, K ; Mfupe, Luzango P ; Bekele, ET Date: Sep 2019 Due to the favorable propagation characteristics of the spectrum allocated for broadcast Television in the Very High Frequency (VHF) and Ultra High Frequency (UHF) spectrum bands; new innovative wireless technologies have emerged capable to ... Read more
Constructing a visual dataset to study the effects of spatial apartheid in South Africa

Author: Sefala, R ; Gebru, T ; Mfupe, Luzango P ; Moorosi, N ; Klein, R Date: Dec 2021 Aerial images of neighborhoods in South Africa show the clear legacy of apartheid, a former policy of political and economic discrimination against non-European groups, with completely segregated neighborhoods of townships next to gated wealthy ... Read more
A device-to-device enabled fog computing architecture for 5G and IoT in underserved areas

Author: Khumalo, N ; Oyerinde, O ; Mfupe, Luzango P Date: Sep 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G also promises to revolutionise the ... Read more
Dynamic Spectrum Access: regulations, standards and green radio policy considerations

Author: Mfupe, Luzango P ; Masonta, Moshe T ; Olwal, T ; Mzyece, M Date: Sep 2012 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 technologies have the ... Read more
Dynamic spectrum allocation for TVWS wireless access from high altitude platform

Author: Hussien, HM ; Katzis, K ; Mfupe, Luzango P Date: Dec 2021 The issue of spectrum allocation in cognitive high altitude platform wireless networks using TV White Space (TVWS) spectrum is presented in this paper. The mathematical model of spectrum allocation is given, and this model is converted into ... Read more
Estimating the number of people affected by switching off analogue TV

Author: Lysko, Albert A ; Mfupe, Luzango P Date: Dec 2022 The radio frequency spectrum is a very valuable resource. Analogue television broadcasting uses the spectrum inefficiently and television (TV) broadcasting brings less income than mobile services. With these, the world is moving to digital ... Read more
Fog computing architecture for 5G-Compliant IoT applications in underserved communities

Author: Khumalo, Nosipho N ; Oyerinde, O ; Mfupe, Luzango P Date: Aug 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G is also envisioned to revolutionise the ... Read more
Fog computing architecture for 5G-Compliant IoT applications in underserved communities

Author: Khumalo, Nosipho N ; Oyerinde, O ; Mfupe, Luzango P Date: Aug 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G is also envisioned to revolutionise the ... Read more
Innovating for Broadband: The Case of Television White Space Networks in Sub-Saharan Africa

Author: Mzyece, M ; Mfupe, Luzango P ; Mekuria, Fisseha Date: Nov 2018 Television white space (TVWS) networks based on geo-location spectrum databases (GLSDs) present an excellent opportunity to provide affordable broadband to underserved rural communities in Sub-Saharan Africa. In this paper, we explore potential ... Read more
Intelligent power allocation for cognitive HAP wireless networks using TVWS spectrum

Author: Hussien, HM ; Katzis, K ; Mfupe, Luzango P Date: Dec 2022 Aiming at the problem of downlink power allocation in cognitive high-altitude platform wireless networks exploiting TV white space spectrum, it is mathematically formulated as a constrained optimization problem, and then an improved immune ... Read more
Investigation of radio propagation characteristics in UHF band over straight and circular paths in Central Tanzania

Author: Matogoro, J ; Mfupe, Luzango P ; Mvungi, N ; Anatory, J Date: Oct 2021 A study was conducted to investigate radio propagation characteristics in ultra-high frequency (UHF) bands over straight and circular paths in central Tanzania. The received signal power values (in dBm) were collected using a spectrum analyzer ... Read more
Multi-criteria decision analysis of spectrum management frameworks for futuristic wireless networks: the context of developing countries

Author: Mfupe, Luzango P ; Mekuria, Fisseha ; Mzyece, Mjumo Date: Mar 2017 National regulatory authorities (NRAs) in developing countries need an accelerated means to formulate technical regulations for the telecommunications sector. This will enable countries to gain maximum benefits from the rapid advances in ... Read more
A novel resource allocation for HAP wireless networks exploiting TVWS spectrum

Author: Hussien, HM ; Katzis, K ; Mfupe, Luzango P ; Bekele, ET Date: Sep 2021 Cognitive radio-based TV White Space (TVWS) is a promising idea which seeks to increase spectrum utilization by opportunistically accessing spectrum initially licensed to TV transmitters or incumbents. Orthogonal frequency multiple access ... Read more
Performance optimization of high-altitude platform wireless communication network exploiting TVWS spectrums based on modified PSO

Author: Habib, MH ; Katzis, K ; Mfupe, Luzango P ; Ephrem, TB Date: Jul 2022 The Uniform hexagonal array (UHA) sidelobe level (SLL) reduction is a crucial consideration for avoiding co-channel interference and improving Carrier-to-interference Ratio (CIR) performance in HAP wireless networks using the TVWS spectrum. ... Read more
Practical implementation of geo-location TVWS database for Ethiopia

Author: Hussien, HM ; Katzis, K ; Mfupe, Luzango P ; Bekele, ET Date: Aug 2019 The opening of Television White Spaces for cognitive access is one of the first tangible steps towards solving the spectrum scarcity as well as rural connectivity problems. Because this part of the spectrum band offers better bandwidth, good ... Read more
Proceedings of IEEE AFRICON 2021, Arusha, Tanzania, Virtual Conference, 13-15 September 2021

Author: Mfupe, Luzango P ; Kaijage, S ; Mwangama, J ; Oyerinde, O ; Katzis, K Date: Sep 2021 AFRICON is the Institute of Electronics and Electrical Engineers (IEEE) Region 8 flagship conference on the African continent. IEEE AFRICON 2021 was virtually held in Arusha, Tanzania from Monday the 13th to Wednesday the 15th of September ... 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

Now showing items 1-20 of 27

Next Page

Browse

All of ResearchSpace

Quick Links

Legislation and compliance

General Enquiries

Tel: + 27 12 841 2911
Email: callcentre@csir.co.za

Physical Address
Meiring Naudé Road
Brummeria
Pretoria
South Africa

Postal Address
PO Box 395
Pretoria 0001
South Africa

Social Connect

Copyright © CSIR 2017. All Rights Reserved

Resources on this site are free to download and reuse according to associated licensing provision. Please read the terms and conditions of usage of each resource.