Patent ID: 6992618
Filing Date: 2006-01-31
Classification: G01S,H04B

Abstract:
1. A method for operating a wireless remote unit, including a receiver and an internal clock, comprising the steps of: tuning, at a first time, the receiver to a pilot signal, having a pilot frequency, transmitted from a first communication base station; receiving, by the receiver, the pilot signal from the first communication base station, responsive to the step of tuning the receiver to the pilot signal; synchronizing the internal clock with the pilot signal, responsive to the step of receiving the pilot signal; tuning, at a second time, different from the first time, the receiver to at least one satellite signal having a satellite frequency, different from the pilot frequency, transmitted from at least one satellite in a satellite positioning system (SPS), responsive to the step of synchronizing; and receiving, by the receiver, the at least one satellite signal from the at least one satellite, responsive to the step of tuning the receiver to the at least one satellite signal.