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Browsing Conference Publications by Impact Area "Spectrum Access Mgmt Innov"

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4G RAN infrastructure sharing by 5G virtualized mobile network operators: A tutorial

Author: Mamushiane, Lusani ; Mboweni, Lawrence S ; Kobo, Hlabishi ; Mudumbe, Mduduzi J ; Mwangama, J ; Lysko, Albert A Date: Sep 2021 Active radio access network (RAN) infrastructure sharing has emerged as a promising solution for efficient spectrum utilization, capital and operational cost savings, improved MVNO penetration rates and lower broadband retail prices in both ... Read more
Addressing accessibility, affordability and sustainability barriers for broadband internet access and penetration in rural areas

Author: Ngwenya, SO ; Heymann, R ; Swart, TG ; Lysko, Albert A Date: Oct 2023 It has been said that the spread of Information and Communications Technology (ICT) and global interconnectedness has a great potential to accelerate human progress, to bridge the “digital divide” and to develop knowledge societies, in countries ... Read more
Antenna research directions for 6G: A brief overview through sampling literature

Author: Olwal, TO ; Chuku, PN ; Lysko, Albert A Date: Mar 2021 Antennas are a critical component in any wireless link. The significance of their role continues to grow, together with the rise of machine-to-machine (M2M) communications and telecommunications starting to move from the fourth generation ... Read more
Antenna research directions for 6G: A brief overview through sampling literature

Author: Olwal, TO ; Chuku, PN ; Lysko, Albert A Date: Mar 2021 Antennas are a critical component in any wireless link. The significance of their role continues to grow, together with the rise of machine-to-machine (M2M) communications and telecommunications starting to move from the fourth generation ... Read more
Assessing the effectiveness of 4IR strategy on South African township economy: Smart Township perspective

Author: Mathibe, Motshedisi ; Mochenje, Tonderai ; Masonta, Moshe T Date: Dec 2021 As the Coronavirus disease (COVID-19) pandemic changed how people and business interact, its impact severely impacted the global economy. The government imposed heavy lockdown regulations further damaged an already struggling informal sector ... Read more
A comparative analysis of urban and rural broadband penetration and access trends in South Africa

Author: Ngwenya, SO ; Heymann, R ; Swart, TG ; Lysko, Albert A Date: Jul 2023 This paper considers the differences between rural and urban access to Information and Communication Technology (ICT) through non-intrusive research methodologies that are deemed effective in obtaining the relevant information required to ... Read more
Conceptual development of an autonomous underwater robot design for monitoring and harvesting invasive weeds

Author: Modungwa, Dithoto M ; Mekuria, Fisseha ; Kekana, Mzuzwezulu Z Date: Sep 2021 The design of an autonomous underwater robot based on biomimicry is presented in this paper. The systematic design of the robot focuses on integrating 5G-AI-IoT- as effective technological tools to autonomously monitor and harvest invasive ... 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
Evaluating an evolving OAI testbed: Overview of options, building tips, and current performance

Author: Vilakazi, Mlamuli C ; Burger, Chris R ; Lysko, Albert A ; Mboweni, Lawrence S ; Mamushiane, Lusani Date: Mar 2021 Mobile connectivity has become a must in both developed and developing countries. The ability to work with new technologies, and localise them requires appropriate testbeds. This work offers a brief overview of the field and describes a testbed ... Read more
An evaluation of broadband technologies from an industrial time sensitive networking perspective

Author: Kinabo, ABD ; Mwangama, JB ; Lysko, Albert A Date: Mar 2021 In industry, mission-critical assignments require special characteristics for their networks. Chief among these requirements is reliability – proven to be even more desired than other characteristics such as low latency. IEEE 802.1 Time ... Read more
An evaluation of social media policy awareness and compliance at the Nelson Mandela University

Author: Ngcama, Lwando ; Mostert, N Date: Nov 2021 With the rapid increase in social media use in higher education institutions, social media policies and guidelines have generally been implemented by those institutions as a means to monitor and manage their staff and students’ social media ... 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
LCSM node based on geo location spectrum database for cooperative dynamic spectrum access

Author: Vilakazi, Mlamuli C ; Sebopetse, Nakampe ; Khutsoane, Oratile O Date: Sep 2021 This paper overviews a designed Low-Cost Spectrum Monitoring (LCSM) node that is installed in universities around South Africa. LCSM node is an electronic device that automatically monitors the frequency spectrum and then communicates the ... Read more
Measuring with JPerf and PsPing: Throughput and estimated packet delivery delay vs TCP window size & parallel streams

Author: Sebopetse, Nakampe S ; Burger, Chris R ; Mofolo, Raarone OM ; Lysko, Albert A Date: Apr 2021 This work discusses how the TCP window size affects the throughput and its measurements and estimated packet delivery delay on two experimental setups using freely available tools JPerf and PsPing. The first setup is a direct connection between ... 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
An overview of time-sensitive communications for the factory floor

Author: Kinabo, AB ; Mwangam, JB ; Lysko, Albert A Date: May 2021 The state of the art for real-time factory-floor communications consists ofa variety of protocols and technologies that aid in timely data exchange through thnetwork. The majority of these are of a fieldbus type, running on a wired link like ... Read more
Sharing experiences: Near Line-Of-Sight TVWS

Author: Lysko, Albert A ; Nkosi, M ; Lysko, MD Date: Dec 2023 This paper summarises various experiences in testing outdoor television white space (TVWS) links, including near- line-of-sight (NLOS) conditions. The paper also touches on the influences of interference from operational television broadcasting ... Read more
Simulation and channel assignment by Simulated Annealing of a wireless mesh network using Dynamic Spectrum Access

Author: Zlobinsky, N ; Mishra, AK ; Johnson, DL ; Lysko, Albert A Date: Nov 2021 This work tackles a new angle to the Channel Assignment (CA) problem, which has otherwise been fairly widely studied for allocating channels optimally to access points and ad-hoc network nodes. Wireless Mesh Networks (WMNs) using Dynamic ... Read more
Towards cloud-based multi-operator core networks (MOCN) for infrastructure sharing

Author: Mamushiane, Lusani ; Mboweni, Lawrence S ; Kobo, Hlabishi I ; Mwangama, J ; Lysko, Albert A Date: Nov 2021 The cost associated with telecommunication infrastructure acquisition and deployment remains a primary inhibitor to market entry by new operators who lack the capital to deploy competitive infrastructure. This entry barrier has resulted in ... Read more

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