A method and apparatus for communication in a wireless sensor network. In one embodiment, one or more routers in a network may be available for communication with one or more star nodes at a randomized time and/or frequency. A connectivity assessment, which may be performed at several different frequencies...http://www.google.de/patents/US20080037454?utm_source=gb-gplus-sharePatent US20080037454 - METHOD AND APPARATUS FOR WIRELESS COMMUNICATION IN A MESH NETWORK WITH SOFTWARE DOWNLOADED TO NODES
