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.com/patents/US20080040509?utm_source=gb-gplus-sharePatent US20080040509 - METHOD AND APPARATUS FOR WIRELESS COMMUNICATION IN A MESH NETWORK WITH NODE ACTIVITY MONITORING
