LocustWorld is an interesting site and a real proponent of wireless networking. Their main thrust is MeshAP and the MeshBox. Essentially this is a WiFi access point, but with added processing to allow it to manage AP to AP communications. So once you have one MeshAP connected to a backhaul link, then just add another MeshAP in range of the first and you've extended the coverage. Saturate a whole area with MeshAP's and they wirelessly route through each other back to any backhaul. LocustWorld cites Hayfield in the Peak District as having deployed such a mesh.
In fact it takes me right back to my Army days when we were trialling Amateur Radio AX.25 wireless packet networks in just the same way to provide a self healing, self managing data web for the battlefield.
***Imported from old blog***