Methods, devices and systems for generating enhanced location information on or about a mobile device may include receiving (via a processor of the mobile device) location information from one or more of a sensor of the mobile device and an external system, generating (via the processor) a first waypoint based on the received location information, receiving network provided location information, generating a second waypoint based on the received network provided location information, retrieving dead reckoning location information, generating a third waypoint based on the received network provided location information, applying the first, second and third waypoints to a kalman filter to generate precise location information, and using the precise location information to provide the enhanced location based service.