A technique involves untethered access points (UAPs) that can broadcast estimated transmission time (ETT) that represents an estimated time it would take for a packet to be transmitted from the first UAP to an AP that is wire coupled to a network. The proposed system can offer, among other advantages,...http://www.google.fr/patents/US7912982?utm_source=gb-gplus-shareBrevet US7912982 - Wireless routing selection system and method
