A service advisor detects the availability of a wireless communication service, communication being consistent with one or more protocols (e.g., IEEE 802.11 MAC layer) each having a plurality of packet formats. The service advisor includes an interface, a receiver, and an engine. The interface couples...http://www.google.fr/patents/US20050025181?utm_source=gb-gplus-shareBrevet US20050025181 - Service advisor
