A wireless mesh network is configured as a multiple-level hierarchical network, with each level of the hierarchy having a plurality of nodes. Several clusters of nodes each acting as access points may be organized in numerous first-level meshes, with each of the first-level meshes being coupled to a...http://www.google.com.au/patents/US20090310488?utm_source=gb-gplus-sharePatent US20090310488 - HIERARCHICAL MESH NETWORK FOR WIRELESS ACCESS