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Browsing by Author "Mamushiane, Lusani"

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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
5G network slice resource overbooking: An opportunity for telcos to boost their revenue

Author: Mamushiane, Lusani ; Mwangama, J ; Lysko, Albert A ; Kobo, Hlabishi I Date: Aug 2022 The global impact of COVID-19 has been unprecedented, with over-the-top (OTT) services consumption growing at a staggering rate. While OTT does consume revenue-generating data, OTT services are gradually substituting the traditional primary ... Read more
A comparative evaluation of the performance of popular SDN controllers

Author: Mamushiane, Lusani ; Lysko, Albert A ; Dlamini, Sabelo V Date: Apr 2018 Software Defined Networking (SDN) is an architecture that decouples the routing intelligence from the forwarding functions, using an entity called 'controller'. It is paramount that the performance of the controller is thoroughly understood ... Read more
Controller placement optimization for Software Defined Wide Area Networks (SDWAN)

Author: Mamushiane, Lusani ; Mwangama, J ; Lysko, Albert A Date: Mar 2021 Software Defined Networking (SDN) has emerged as a promising solution to revolutionize network deployment, operations and economic growth. This paradigm aims to address management and configuration complexities in legacy networks so as to ... Read more
Deploying a stable 5G SA testbed using srsRAN and Open5GS: UE integration and troubleshooting towards network slicing

Author: Mamushiane, Lusani ; Lysko, Albert A ; Kobo, Hlabishi I ; Mwangama, J Date: Aug 2023 Field trials and experimentation are crucial for accelerating the adoption of standalone (SA) 5G in Africa. Traditionally, only network operators and vendors had the opportunity for practical experimentation due to proprietary systems and ... 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
Experience in profiling and optimizing a 5G standAlone Radio Access Network (RAN) based on an open source testbed

Author: Mamushiane, Lusani ; Lysko, Albert A ; Mwangama, J ; Kobo, Hlabishi I ; Otieno, HO Date: Aug 2023 The adoption of 5G technology in Africa has been increasing steadily, with initial emphasis on non-standalone (NSA) architecture to leverage existing 4G investments and accelerate return on investment. The uptake of standalone (SA) 5G has ... Read more
Given a SDN topology, how many controllers are needed and where should they go?

Author: Mamushiane, Lusani ; Mwangama, J ; Lysko, Albert A Date: Nov 2018 Software Defined Networking (SDN) presents a paradigm shift in network management and configuration. The idea of having an externalized control plane opens many unanswered questions regarding scalability, fault tolerance and performance of ... Read more
Leveraging SDN/NFV as key stepping stones to the 5G era in emerging markets

Author: Mamushiane, Lusani ; Dlamini, Sabelo V Date: Oct 2017 The proliferation of mobile devices and the advent of bandwidth hungry applications are expected to drastically increase in the foreseeable future. This growing trend has been the key motive behind the development of the 5G standard. SG is ... Read more
Optimum placement of SDN controllers in African backbones: SANREN and ZAMREN as a case study

Author: Mamushiane, Lusani ; Mwangama, J ; Lysko, Albert A Date: Sep 2018 Software Defined Networking (SDN) has emerged as a potential solution to the ICT inequality challenge in emerging markets. This technology promises to revolutionize the telecommunications industry by introducing decoupled architectures to ... Read more
Overview of 9 open-source resource orchestrating ETSI MANO compliant implementations: A brief survey

Author: Mamushiane, Lusani ; Mukute, T ; Lysko, Albert A ; Mwangama, J ; Du Toit, Moegamat Z Date: Aug 2019 Cloud computing, Network Function Visualization (NFV), and programmable infrastructures such as Software-Defined Networking (SDN) are transforming ICT business models. These technologies work in an integrated pattern to deliver full management ... Read more
A QoS-based evaluation of SDN controllers: ONOS and OpenDayLight

Author: Mamushiane, Lusani ; Shozi, Themba C Date: May 2021 SDN marks a paradigm shift towards an externalized and logically centralized controller, unlike the legacy networks where control and data planes are tightly coupled. The controller has a comprehensive view of the network, offering flexibility ... Read more
A review on edge computing in 5G-enabled IoT for agricultural applications: Opportunities and challenges

Author: Makondo, Ntshuxeko ; Kobo, Hlabishi I ; Mathonsi, TE ; Mamushiane, Lusani Date: Nov 2023 Many sectors, including agriculture, have benefited significantly from the introduction of Fifth Generation wireless technology (5G). One of the most interesting benefits of 5G is how it may optimize the latency of the Internet of Things ... Read more
A review on edge computing in 5G-enabled IoT for agricultural applications: Opportunities and challenges

Author: Makondo, Ntshuxeko ; Kobo, Hlabishi I ; Mathonsi, TE ; Mamushiane, Lusani Date: Nov 2023 Many sectors, including agriculture, have benefited significantly from the introduction of Fifth Generation wireless technology (5G). One of the most interesting benefits of 5G is how it may optimize the latency of the Internet of Things ... Read more
SDN-enabled infrastructure sharing in emerging markets: CapEx/OpEx savings overview and quantification

Author: Mamushiane, Lusani ; Lysko, Albert A ; Dlamini, Sabelo V Date: May 2018 The paper quantifies the importance of network resource sharing in leveraging Software Defined Networking (SDN) in mobile network infrastructure and reducing operation costs between multiple operators, especially critical to extend broadband ... Read more
Software tools for power consumption monitoring of open 5G and beyond research: A review

Author: Ebrahim, Rozeena ; Luvhengo, Fhatuwani ; Vilakazi, Mlamuli ; Mamushiane, Lusani ; Lysko, Albert A Date: Sep 2023 This paper investigates four software tools with CPU power consumption estimation capabilities and identifies the most suitable tool for open fifth-generation (5G) and beyond research. The tools considered are Open Hardware Monitor (OHM), ... Read more
Testing performance for several use cases with an indoor OpenAirInterface USRP-Based base station

Author: Dludla, Angeline G ; Vilakazi, Mlamuli C ; Burger, Chris R ; Lysko, Albert A ; Ngcama, Lwando ; Mboweni, Lawrence ; Masonta, Moshe ; Kobo, Hlabishi I ; Mamushiane, Lusani Date: Nov 2022 This paper presents the early phases of the implementation of a Radio Access Network (RAN) based on OpenAirInterface (OAI) for a fifth-generation (5G) mobile network. Because the availability of full OAI 5G support was delayed, we initially ... Read more
Towards a digitally transformed criminal justice system: A South African case study

Author: Dlamini, N ; Mamushiane, Lusani ; Nkosi, M ; Dlamini, S ; Ramaboka, T Date: Aug 2023 The criminal justice system is a critical component of the South African government and its developmental and operational activities must be seamless to ensure timely delivery of justice to those who committed crimes. This study provides a ... 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
Towards programmable on-demand lightpath services: Current state of the art and open research areas

Author: Nkosi, Mpho C ; Mamushiane, Lusani ; Lysko, Albert A ; Engelbrecht, AP ; Johnson, D Date: Aug 2019 With emerging programmable network architectures gaining momentum in the networking industry, it is necessary to look at how the services currently offered on traditional network architectures can be fully migrated to the programmable networks. ... Read more

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