David L. Johnson

According to our database, David L. Johnson authored at least 37 papers between 2008 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Community Networks powered by Community Currencies.

Keegan White, David Lloyd Johnson, Senka Hadzic, Melissa Densmore

Proceedings of the 6th ACM SIGCAS/SIGCHI Conference on Computing and Sustainable Societies, 2023

2022

Comparison of Metaheuristic Algorithms for Interface-Constrained Channel Assignment in a Hybrid Dynamic Spectrum Access - Wi-Fi Infrastructure WMN.

Natasha Zlobinsky, David L. Johnson, Amit Kumar Mishra, Albert A. Lysko

IEEE Access, 2022

2021

Simulation and Improved Channel Assignment by Simulated Annealing of a Wireless Mesh Network using Dynamic Spectrum Access.

Natasha Zlobinsky, David L. Johnson, Amit Kumar Mishra, Albert A. Lysko

Proceedings of the MobiWac '21: Proceedings of the 19th ACM International Symposium on Mobility Management and Wireless Access, Alicante, Spain, November 22, 2021

Metaheuristic Optimisation for Radio Interface-Constrained Channel Assignment in a Hybrid Wi-Fi-Dynamic Spectrum Access Wireless Mesh Network.

Natasha Zlobinsky, David L. Johnson, Amit Kumar Mishra, Albert A. Lysko

Proceedings of the Cognitive Radio Oriented Wireless Networks and Wireless Internet, 2021

Detection of Malicious Nodes Using Collaborative Neighbour Monitoring in DSA Networks.

Augustine Takyi, Natasha Zlobinsky, Odametey Akuye-Shika, David L. Johnson, Melissa Densmore

Proceedings of the Cognitive Radio Oriented Wireless Networks and Wireless Internet, 2021

2020

iNethi: locked down but not locked out.

André van Zyl, David Lloyd Johnson

XRDS, 2020

iNethi Community Network: A first look at local and Internet traffic usage.

Amreesh Phokeer, Senka Hadzic, Eric Nitschke, André van Zyl, David L. Johnson, Melissa Densmore, Josiah Chavula

Proceedings of the 3rd ACM SIGCAS Conference on Computing and Sustainable Societies, 2020

2019

Towards programmable on-demand lightpath services: current state-of-the-art and open research areas.

Mpho C. Nkosi, Lusani Mamushiane, Albert A. Lysko, David L. Johnson, Andries P. Engelbrecht

IET Networks, 2019

On the potential of Google AMP to promote local content in developing regions.

Amreesh Phokeer, Josiah Chavula, David L. Johnson, Melissa Densmore, Gareth Tyson, Arjuna Sathiaseelan, Nick Feamster

Proceedings of the 11th International Conference on Communication Systems & Networks, 2019

2018

Localize-It: Co-designing a Community-Owned Platform.

Maria Rosa Lorini, Melissa Densmore, David L. Johnson, Senka Hadzic, Hafeni Mthoko, Ganief Manuel, Marius Waries, André van Zyl

Proceedings of the Locally Relevant ICT Research, 2018

Experimental Analysis of 5 GHz WiFi and UHF-TVWS Hybrid Wireless Mesh Network Back-Haul Links.

Richard Maliwatu, Natasha Zlobinsky, Magdeline Lamola, Augustine Takyi, David L. Johnson, Melissa Densmore

Proceedings of the Cognitive Radio Oriented Wireless Networks, 2018

2017

Performance Analysis of a Collaborative DSA-Based Network with Malicious Nodes.

Augustine Takyi, Melissa Densmore, Senka Hadzic, David L. Johnson

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2017

2016

Open and regionalised spectrum repositories for emerging countries.

Andrés Arcia-Moret, Arjuna Sathiaseelan, Marco Zennaro, Freddy Rondón, Ermanno Pietrosemoli, David L. Johnson

Proceedings of the 2016 workshop on Global Access to the Internet for All, 2016

A First Look at Mobile Internet Use in Township Communities in South Africa.

Amreesh Phokeer, Melissa Densmore, David L. Johnson, Nick Feamster

Proceedings of the 7th Annual Symposium on Computing for Development, 2016

DNS Lame Delegations: A Case-Study of Public Reverse DNS Records in the African Region.

Amreesh Phokeer, Alain Aina, David L. Johnson

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2016

A Correlation Between RSSI and Height in UHF Band and Comparison of Geolocation Spectrum Database View of TVWS with Ground Truth.

Richard Maliwatu, Albert Lysko, David L. Johnson, Senka Hadzic

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2016

Head to Head Battle of TV White Space and WiFi for Connecting Developing Regions.

David L. Johnson, Natasha Zlobinsky, Albert Lysko, Magdeline Lamola, Senka Hadzic, Richard Maliwatu, Melissa Densmore

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2016

The Shortcomings of Globalised Internet Technology in Southern Africa.

David L. Johnson, Gertjan van Stam

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2016

"Community Networks" in the African Context: Opportunities and Barriers.

Carlos Rey-Moreno, Josephine Miliza, Fred Mweetwa, Gertjan van Stam, David L. Johnson

Proceedings of the First African Conference on Human Computer Interaction, 2016

2015

Poster: Localized Content for Village Schools.

Morgan Vigil, David L. Johnson, Elizabeth M. Belding

Proceedings of the 13th Annual International Conference on Mobile Systems, 2015

2014

First large TV white spaces trial in South Africa: A brief overview.

Albert A. Lysko, Moshe T. Masonta, Mofolo R. O. Mofolo, Luzango Mfupe, Litsietsi Montsi, David L. Johnson, Fisseha Mekuria, Dumisa W. Ngwenya, Ntsibane Ntlatlapa, Arno Hart, Charlie Harding, Andy Lee

Proceedings of the 6th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops, 2014

Studying an inexpensive wire discone antenna as a candidate for TVWS spectrum monitoring / sensing.

Albert A. Lysko, Andy Lee, Arno Hart, David L. Johnson

Proceedings of the 6th International Congress on Ultra Modern Telecommunications and Control Systems and Workshops, 2014

VillageLink: Wide-area wireless coverage.

Veljko Pejovic, David L. Johnson, Mariya Zheleva, Elizabeth M. Belding, Albert Lysko

Proceedings of the Sixth International Conference on Communication Systems and Networks, 2014

Building an Argument for Internet Expansion in Dwesa - an Under-Serviced Rural Community in South Africa.

Sifiso Dlamini, Moshe T. Masonta, David L. Johnson

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2014

2013

Kwiizya: local cellular network services in remote areas.

Mariya Zheleva, Arghyadip Paul, David L. Johnson, Elizabeth M. Belding

Proceedings of the 11th Annual International Conference on Mobile Systems, 2013

Kwaabana: file sharing for rural networks.

David L. Johnson, Elizabeth M. Belding, Consider Mudenda

Proceedings of the Annual Symposium on Computing for Development, 2013

Power Instability in Rural Zambia, Case Macha.

Consider Mudenda, David L. Johnson, Lisa Parks, Gertjan van Stam

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2013

2012

Network traffic locality in a rural African village.

David L. Johnson, Elizabeth M. Belding, Gertjan van Stam

Proceedings of the Fifth International Conference on Information and Communication Technologies and Development, 2012

VillageCell: cost effective cellular connectivity in rural areas.

Abhinav Anand, Veljko Pejovic, Elizabeth M. Belding, David L. Johnson

Proceedings of the Fifth International Conference on Information and Communication Technologies and Development, 2012

VillageShare: facilitating content generation and sharing in rural networks.

David L. Johnson, Veljko Pejovic, Elizabeth M. Belding, Gertjan van Stam

Proceedings of the ACM Annual Symposium on Computing for Development, 2012

Constraints for Information and Communications Technologies Implementation in Rural Zambia.

Gertjan van Stam, David L. Johnson, Veljko Pejovic, Consider Mudenda, Austin Sinzala, Darelle van Greunen

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2012

2011

Traffic characterization and internet usage in rural Africa.

David L. Johnson, Veljko Pejovic, Elizabeth M. Belding, Gertjan van Stam

Proceedings of the 20th International Conference on World Wide Web, 2011

The White Space Opportunity in Southern Africa: Measurements with Meraka Cognitive Radio Platform.

Moshe T. Masonta, David L. Johnson, Mjumo Mzyece

Proceedings of the e-Infrastructure and e-Services for Developing Countries, 2011

2010

Internet usage and performance analysis of a rural wireless network in Macha, Zambia.

David L. Johnson, Elizabeth M. Belding, Kevin C. Almeroth, Gertjan van Stam

Proceedings of the 4th ACM Workshop on Networked Systems for Developing Regions, 2010

Gateway-aware routing for wireless mesh networks.

Prashanth Aravinda Kumar Acharya, David L. Johnson, Elizabeth M. Belding

Proceedings of the IEEE 7th International Conference on Mobile Adhoc and Sensor Systems, 2010

2008

Comparison of MANET Routing Protocols Using a Scaled Indoor Wireless Grid.

David L. Johnson, Albert Lysko

Mob. Networks Appl., 2008

Building rural wireless networks: lessons learnt and future directions.

David Lloyd Johnson, Kobus Roux

Proceedings of the 2008 ACM Workshop on Wireless Networks and Systems for Developing Regions, 2008