Expedited location determination in analog service areas

摘要: A mobile terminal uses stored GPS data to expedite position determination when placing emergency calls. The receives supporting such as almanac and ephemeris information from a digital wireless network service is available. When operating in an analog area where not available the network, previously received area, unless that too old be useful. Additionally, can periodically update its while standby based on receiving needed directly satellites. or may automatically age of data, probability moving into area.