David L. Johnson

Publication Activity (10 Years)

Years Active: 2008-2023
Publications (10 Years): 16

Top Topics

Channel Assignment

Top Venues

Publications

Ndinelao Iitumba, Hafeni Mthoko, Keegan White, Mapule Madzena, Tristan Drummond, David L. Johnson, Melissa Densmore
Networked Micro-services: Empowering Local Micro-enterprises in a South African Township Through Community Wireless Networks. InterSol (2023)
Natasha Zlobinsky, David L. Johnson, Amit Kumar Mishra, Albert A. Lysko
Comparison of Metaheuristic Algorithms for Interface-Constrained Channel Assignment in a Hybrid Dynamic Spectrum Access - Wi-Fi Infrastructure WMN. IEEE Access 10 (2022)
Natasha Zlobinsky, David L. Johnson, Amit K. Mishra, Albert A. Lysko
Simulation and Improved Channel Assignment by Simulated Annealing of a Wireless Mesh Network using Dynamic Spectrum Access. MobiWac (2021)
Natasha Zlobinsky, David L. Johnson, Amit Kumar Mishra, Albert A. Lysko
Metaheuristic Optimisation for Radio Interface-Constrained Channel Assignment in a Hybrid Wi-Fi-Dynamic Spectrum Access Wireless Mesh Network. CrownCom/WiCON (2021)
Amreesh Phokeer, Senka Hadzic, Eric Nitschke, André van Zyl, David L. Johnson, Melissa Densmore, Josiah Chavula
iNethi Community Network: A first look at local and Internet traffic usage. COMPASS (2020)
Mpho C. Nkosi, Lusani Mamushiane, Albert A. Lysko, David L. Johnson, Andries P. Engelbrecht
Towards programmable on-demand lightpath services: current state-of-the-art and open research areas. IET Networks 8 (6) (2019)
Amreesh Phokeer, Josiah Chavula, David L. Johnson, Melissa Densmore, Gareth Tyson, Arjuna Sathiaseelan, Nick Feamster
On the potential of Google AMP to promote local content in developing regions. COMSNETS (2019)
Richard Maliwatu, Natasha Zlobinsky, Magdeline Lamola, Augustine Takyi, David L. Johnson, Melissa Densmore
Experimental Analysis of 5 GHz WiFi and UHF-TVWS Hybrid Wireless Mesh Network Back-Haul Links. CrownCom (2018)
Maria Rosa Lorini, Melissa Densmore, David L. Johnson, Senka Hadzic, Hafeni Mthoko, Ganief Manuel, Marius Waries, André van Zyl
Localize-It: Co-designing a Community-Owned Platform. IDIA (2018)
Augustine Takyi, Melissa Densmore, Senka Hadzic, David L. Johnson
Performance Analysis of a Collaborative DSA-Based Network with Malicious Nodes. AFRICOMM (2017)
Amreesh Phokeer, Alain Aina, David L. Johnson
DNS Lame Delegations: A Case-Study of Public Reverse DNS Records in the African Region. AFRICOMM (2016)
Carlos Rey-Moreno, Josephine Miliza, Fred Mweetwa, Gertjan van Stam, David L. Johnson
"Community Networks" in the African Context: Opportunities and Barriers. AfriCHI (2016)
David L. Johnson, Gertjan van Stam
The Shortcomings of Globalised Internet Technology in Southern Africa. AFRICOMM (2016)
Amreesh Phokeer, Melissa Densmore, David L. Johnson, Nick Feamster
A First Look at Mobile Internet Use in Township Communities in South Africa. ACM DEV (2016)
Richard Maliwatu, Albert Lysko, David L. Johnson, Senka Hadzic
A Correlation Between RSSI and Height in UHF Band and Comparison of Geolocation Spectrum Database View of TVWS with Ground Truth. AFRICOMM (2016)
David L. Johnson, Natasha Zlobinsky, Albert Lysko, Magdeline Lamola, Senka Hadzic, Richard Maliwatu, Melissa Densmore
Head to Head Battle of TV White Space and WiFi for Connecting Developing Regions. AFRICOMM (2016)
Morgan Vigil, David L. Johnson, Elizabeth M. Belding
Poster: Localized Content for Village Schools. MobiSys (2015)
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
First large TV white spaces trial in South Africa: A brief overview. ICUMT (2014)
Veljko Pejovic, David L. Johnson, Mariya Zheleva, Elizabeth M. Belding, Albert Lysko
VillageLink: Wide-area wireless coverage. COMSNETS (2014)
Sifiso Dlamini, Moshe T. Masonta, David L. Johnson
Building an Argument for Internet Expansion in Dwesa - an Under-Serviced Rural Community in South Africa. AFRICOMM (2014)
Albert A. Lysko, Andy Lee, Arno Hart, David L. Johnson
Studying an inexpensive wire discone antenna as a candidate for TVWS spectrum monitoring / sensing. ICUMT (2014)
Consider Mudenda, David L. Johnson, Lisa Parks, Gertjan van Stam
Power Instability in Rural Zambia, Case Macha. AFRICOMM (2013)
David L. Johnson, Elizabeth M. Belding, Consider Mudenda
Kwaabana: file sharing for rural networks. ACM DEV (4) (2013)
Mariya Zheleva, Arghyadip Paul, David L. Johnson, Elizabeth M. Belding
Kwiizya: local cellular network services in remote areas. MobiSys (2013)
David L. Johnson, Veljko Pejovic, Elizabeth M. Belding, Gertjan van Stam
VillageShare: facilitating content generation and sharing in rural networks. ACM DEV (2012)
Abhinav Anand, Veljko Pejovic, Elizabeth M. Belding, David L. Johnson
VillageCell: cost effective cellular connectivity in rural areas. ICTD (2012)
David L. Johnson, Elizabeth M. Belding, Gertjan van Stam
Network traffic locality in a rural African village. ICTD (2012)
Gertjan van Stam, David L. Johnson, Veljko Pejovic, Consider Mudenda, Austin Sinzala, Darelle van Greunen
Constraints for Information and Communications Technologies Implementation in Rural Zambia. AFRICOMM (2012)
David L. Johnson, Veljko Pejovic, Elizabeth M. Belding, Gertjan van Stam
Traffic characterization and internet usage in rural Africa. WWW (Companion Volume) (2011)
Moshe T. Masonta, David L. Johnson, Mjumo Mzyece
The White Space Opportunity in Southern Africa: Measurements with Meraka Cognitive Radio Platform. AFRICOMM (2011)
David L. Johnson, Elizabeth M. Belding, Kevin C. Almeroth, Gertjan van Stam
Internet usage and performance analysis of a rural wireless network in Macha, Zambia. NSDR (2010)
Prashanth Aravinda Kumar Acharya, David L. Johnson, Elizabeth M. Belding
Gateway-aware routing for wireless mesh networks. MASS (2010)
David L. Johnson, Albert Lysko
Comparison of MANET Routing Protocols Using a Scaled Indoor Wireless Grid. Mob. Networks Appl. 13 (1-2) (2008)