Patent ID: 8346279

Claim:
A method of providing directional guidance to a user of mobile station for use in navigating to a destination, the method comprising the steps of: receiving, over a communications channel established between the mobile station and a mobile communications network, navigation information comprising route information and map information, the navigation information being generated by a device other than the mobile station; outputting, at the mobile station, a user-perceivable representation of the received navigation information to provide directional guidance to the destination; detecting an event at the mobile station, during the outputting of the navigation information, the event indicating that the communication channel is no longer available to provide the navigation information; in response to detecting the event, executing on the mobile station a local navigation application, the local navigation application obtaining location information of the mobile station using a global positioning receiver of the mobile station and locally processing the location information to continue to provide directional guidance to the destination; and returning to receiving navigation information generated at least in part by a device other than the mobile station after the completion of the event.