I know many of these people. They have been working on mesh for a long time. Worth a look and following….
Creating a solar autonomous mesh node: the basics
Waspmote: the Wireless Sensor Networks mote
The Mesh networks research group is formed by research and developer teams throughout all the world which are involved in active wireless mesh networks projects.
The Mesh Networks Research Group is focused in the mesh networks field and cover aspects like privacy, security, routing protocols, mobile mesh networks and roaming. All the members of this group are concerned about the importance of open source projects when sharing and spreading knowledge. The open source concept applies to use open routing protocols for ensuring interoperability among networks and open monitoring and test platforms.