Distributing a message in a network may include transmitting, via a contention-free access channel, the message from an originating node to a first set of nodes neighboring the originating node, and designating a subset of the first set of nodes as relay nodes. A first one of the relay nodes may then...http://www.google.fr/patents/US20100061292?utm_source=gb-gplus-shareBrevet US20100061292 - NETWORK COMMUNICATION SYSTEMS AND METHODS
