Downloads

Firmware

For Linksys WRT54G

Our customized Freifunk firmware with IPv6 packages. Download and check the README file

Tools

Spreadsheet for Optimising Cantennae

Useful Documents

Wireless Networking in the Developing World

Building a Rural Wireless Mesh Network A do-it-yourself guide to planning and building a Freifunk based mesh network. This is a step-by-step guide on converting a Linksys WRT54GL into a mesh node.

Meraka Research papers

David's research work

1996

Thesis: Final year Electronic Engineering thesis on "Sound synthesis using a genetic algorithm"

2003

Conference paper: D.L. Johnson, 2003 Military Information and Communications Symposium of South Africa (MICCSA) conference: Bluetooth in the defence industry - "The quest for point to multipoint cable replacement"

Conference presentation: D.L. Johnson, 2003 Military Information and Communications Symposium of South Africa (MICCSA) conference: Bluetooth in the defence industry - "The quest for point to multipoint cable replacement"

2004

Conference paper: D.L. Johnson, 2004 IEEE Africon conference: Hardware and software implications of creating Bluetooth Scatternet devices

Lecture: D.L. Johnson, Bluetooth lecture for post-graduate course on network security at University of Pretoria

Lecture: D.L. Johnson, Bluetooth lecture for wireless symposium at Tshwane University of Technology

Lecture: D.L. Johnson, Wifi lecture for wireless symposium at Tshwane University of Technology

2005

Conference paper: A. Smith, D.L. Johnson, Y.Kaka, 2005 Community Informatics Research Network (CIRN) conference, Initial research results on affordable community-owned information networks in South Africa

uClinux course presented to meraka staff

• Day 1: D.L. Johnson, Survey of embedded operating systems - why uClinux, The uclinux environment - the directory structure

• Day 2: D.L. Johnson, Using the configuration tools for the kernel and user applications, Adding user application to uClinux

• Day 3: D.L. Johnson, The cross compiling tool chain (gcc, as, ld, objdump, objcopy), Memory architecture of the arm7tdmi processor - configuring uclinux for the arm

• Day 4: D.L. Johnson, To "Boot loader" or not to "Boot loader, Hardware access and device drivers

• Day 5: D.L. Johnson, Debugging applications with gdb, Downloading applications to the development kit using JTAG

2006

Conference paper: D.L. Johnson, Y. Kaka, J. Hay, 2006 Southern African Telecommunications Networks and Applications Conference (SATNAC) conference: A new grid based test bed environment for carrying out ad-hoc networking experiments

Conference poster: D.L. Johnson, Y. Kaka, J. Hay, 2006 Southern African Telecommunications Networks and Applications Conference (SATNAC) conference: A new grid based test bed environment for carrying out ad-hoc networking experiments

Workshop poster: D.L. Johnson, 2006 Association for Progressive Communication workshop in London sponsored by the IDRC: Wireless Africa - The quest to connect 450 million rural people in Africa

2007

Conference paper: D.L. Johnson, A. Lysko 2007 Southern African Telecommunications Networks and Applications Conference (SATNAC) conference: Overview of the Meraka wireless grid test bed for evaluation of ad-hoc routing protocols

Conference presentation: D.L. Johnson, A. Lysko 2007 Southern African Telecommunications Networks and Applications Conference (SATNAC) conference: Overview of the Meraka wireless grid test bed for evaluation of ad-hoc routing protocols

Journal paper: D.L. Johnson, A. Lysko, Special issue on "Advances in Wireless Mesh Networks" of the Journal of special issues on Mobility of Systems, Users, Data and Computing, Springer US, "Comparison Of MANET Routing Protocols Using A New Grid Based Test Bed Environment"

Conference paper: D.L. Johnson, IEEE/ACM International Conference on Information and Communication Technologies and Development (ICTD2007), Evaluation of a single radio rural mesh network in South Africa

2008

Journal paper: D.L. Johnson, G.P. Hancke, Ad Hoc Networks, Elsevier, Comparison of two routing metrics in OLSR on a grid based mesh network

Masters thesis: Performance analysis of mesh networks in indoor and outdoor wireless testbeds

Conference paper - draft: D.L. Johnson, C. Aichele, N.Ntlatlapa, 2nd IFIP International Symposium on Wireless Communications and Information Technology in Developing Countries (WCITD’2008): A simple pragmatic approach to mesh routing using BATMAN

Conference paper - draft: D.L. Johnson, K. Roux 2007, Wireless Networks and Systems for Developing Regions (WiNS-DR)  : Building rural wireless networks: Lessons learnt and future directions

Karel's research work

Bringing connectivity to rural Zambia using a collaborative approach