1. A method to assure node connectivity in an ad hoc wireless network comprising a wireless main controller, a plurality of wireless nodes having a plurality of neighboring nodes and a plurality of wireless links connecting the wireless main controller, the plurality of wireless nodes and the plurality of neighboring nodes, the method comprising: computing a composite threshold for each of a plurality of neighboring nodes of a plurality of nodes; assigning a mobility to each of the plurality of nodes based on the composite threshold for each of the plurality of neighboring nodes; and using the mobility assigned to each of the plurality of nodes to assure node connectivity in the ad hoc network.