Now showing items 1-18 of 18

    • Clustered Multi-layer Multi-protocol Wireless Mesh Networks 

      Abdalla, Taha; Rey-Moreno, Carlos; Tucker, William David; Bagula, Antoine (Telkom, 2015)
      Wireless Mesh Networks (WMNs) have emerged as an alternative option to the wired networks in areas where wired deployment is unfeasible and/or costly. They have been widely adopted in community networks as these networks ...
    • Co-designing a billing system for voice services in rural South Africa: Lessons learned 

      Rey-Moreno, Carlos; Ufitamahoro, Marie Josee; Venter, Isabella; Tucker, William David (ACM, 2014)
      Access to information and communication technologies re- mains una ordable for many in rural areas despite recent progress in providing voice services to remote communities. The sustainability of alternative technical ...
    • Community-based solar power revenue alternative to improve sustainability of a rural wireless mesh network 

      Rey-Moreno, Carlos; Roro, Zukile; Tucker, William David; Siya, Masbulele Jay (ACM, 2013)
      Given the needs for a clean and easy way to maintain and secure powering wireless networks in rural areas and to gen- erate revenue to guarantee the sustainability of its intended goals, an innovative approach to leverage ...
    • Evaluating energy consumption on low-end smartphones 

      Om, Shree; Tucker, William David; Rey-Moreno, Carlos; Erasmus, Zenville (2015)
      The relationship between battery consumption in smartphones and the usage statistics of a phone is direct. Modern smartphones, even low-end, are equipped with multiple wireless technologies, e.g. GSM, 3G, WiFi and ...
    • Experiences, challenges and lessons from rolling out a rural WiFi mesh network 

      Rey-Moreno, Carlos; Tucker, William David; Bidwell, Nicola J.; Roro, Zukile; Siya, Masbulele Jay; Simo-Reigadas, Javier (ACM, 2013)
      The DEV community knows that technology interventions involve consideration of social and environmental factors as much as technical ones. This is particularly true for the introduction of communications infrastructure in ...
    • Gender and participation: critical reflection on Zenzeleni Networks in Mankosi, South Africa 

      Hussen, Tigist Shewarega; Bidwell, Nicola J.; Rey-Moreno, Carlos; Tucker, William David (ACM, 2016-11-25)
      This paper unveils the complexity of gender dynamics by reflecting on lessons learned in Zenzeleni Networks and provides a different perspective to notions of “participation” by asking “who participates and how?” The paper ...
    • An in-depth study of the ICT ecosystem in a South African rural community: unveiling expenditure and communication patterns 

      Rey-Moreno, Carlos; Blignaut, Renette; May, Julian; Tucker, William David (Routledge, 2016)
      There is no doubt of the contributions made by mobile phones and mobile network operators in increasing access to communications in rural areas of developing countries. Yet how affordable is this ubiquitous access in such ...
    • Investigating battery consumption in low- end smartphones: preliminary results 

      Om, Shree; Tucker, William David; Rey-Moreno, Carlos (International Information Management Corporation, 2017)
      Due to lack of electricity in the rural communities of Africa, users often have to incur extra expense on recharging their mobile phones. The limited battery capacities of low-end smartphones, therefore, present a barrier ...
    • Local ownership, exercise of ownership and moving from passive to active entitlement: a practice-led inquiry on a rural community network 

      Rey-Moreno, Carlos; Sabiescu, Amalia; Siya, Masbulele Jay; Tucker, William David (CCIRDT, 2015)
      In this paper, we aim to shed light on local ownership from a double practical and theoretical perspective, and examine its meaning as well as the factors that are bound to influence its development in community based ...
    • Making a community network legal within the South African regulatory framework 

      Rey-Moreno, Carlos; Tucker, William David; Cull, Domonic; Blom, R. (ACM, 2015)
      Community networks often operate at the fringe of legality with respect to spectrum, network infrastructure and providing services. We have been involved with such a network in a rural community, and together with them, ...
    • A mobile platform traffic generator for network performance evaluation 

      Tiemeni, Ghislaine Livie Ngangom; Venter, Isabella M.; Rey-Moreno, Carlos; Tucker, William David (Telkom, 2013)
      This work in progress paper presents an overview of the development of an efficient and accurate mobile traffic generator based on an open source computer-based traffic generator software. A high performance mobile traffic ...
    • Optimisation of SlotTime for a single-radio Mid-Range Multi-hop Wireless Mesh Network 

      Rey-Moreno, Carlos; Tucker, William David; Simo-Reigadas, Javier (Telkom SA, 2014)
      This paper presents the business context and results of an optimisation exercise for a single-radio mid-range multi-hop wireless mesh network for the provision of VoIP services. This WiFi mesh network physically covers 30 ...
    • A participatory design for a billing system: A South African case study of a community based telephony system 

      Ufitamahoro, Marie Josee; Venter, Isabella; Rey-Moreno, Carlos; Tucker, William David (ACM, 2014)
      This paper describes the role participatory design can play in developing and implementing an information and communication technology for development project in a rural area. It shows how the process of co-designing an ...
    • Socio-economic aspects of voice-over-IP technology in rural SA 

      Roro, Zukile; Rey-Moreno, Carlos; Tucker, William David; Siya, Masbulele Jay (Telkom, 2012)
      This paper describes work in progress towards developing a business case and preliminary design for an 802.11-based mesh network in the remote rural community of Mankosi in the Eastern Cape province of South Africa. Aside ...
    • Towards a scalability model for wireless mesh networks 

      Om, Shree; Rey-Moreno, Carlos; Tucker, William David (Telkom, 2015)
      Zenzeleni mesh network is a wireless ad-hoc mesh network that provides voice services using public analogue telephones to the Mankosi community in the Eastern Cape Province. We would like to improve on the network ...
    • Towards a sustainable business model for rural telephony 

      Rey-Moreno, Carlos; Roro, Zukile; Siya, Masbulele Jay; Simo-Reigadas, Javier; Bidwell, Nicola J.; Tucker, William David (Telkom, 2012)
      This paper presents the work done thus far towards designing a sustainable business model for rural telephony in the community of Mankosi, located in the Eastern Cape province of South Africa. The pillars of the model are ...
    • Tuning a mid-range rural WiFi-based mesh network 

      Rey-Moreno, Carlos; Tucker, William David; Simo-Reigadas, Javier (ACM, 2013)
      Little is known about how mid-range, or several km, dis- tances a ect multipoint-to-multipoint links when single ra- dio nodes with omnidirectional antennas are used. In this poster, a real network with these characteristics ...
    • Unmasking community trust issues in rural field work 

      Ufitamahoro, Marie Josée; Venter, Isabella M.; Tucker, William David; Rey-Moreno, Carlos (ACM, 2013)
      The principal objective of this paper is to describe the au thor's fieldwork and research in a remote rural area of South Africa, where a Village Telco is deployed to provide Voice over Internet Protocol on a wireless mesh ...