Patent ID: 8768407

Claim:
A method in a mobile communication device for communications, the method comprising: performing one or more scanning operations with use of a first transceiver portion in a geographical region; failing to connect with any first wireless networks in the geographical region; performing one or more scanning operations with use of a second transceiver portion for identifying a set of cell identifications corresponding to a plurality of stations of one or more second wireless networks available in the geographical region; storing the set of cell identifications in association with an indication of the failure to connect with any first wireless networks in the geographic region; while operating for communications via a second wireless network with use of the second transceiver portion: performing one or more scanning operations with use of the second transceiver portion for identifying a current set of cell identifications, the current set of cell identifications corresponding to a currently-serving station of the second wireless network and one or more neighboring stations; comparing cell identifications of the current set with cell identifications of the stored set; and when the number or percentage of matching cell identifications of the current and stored sets meets or exceeds a predetermined threshold, setting the first transceiver portion in a low power state.