A system of correcting error in received gps signals of a mobile station in a cdma system by transmitting error references to the mobile station

Abstract

A locator system which includes a GPS receiver for receiving GPS signals, a mobile subscriber unit for receiving the GPS error indicating signals; and circuitry, preferably a DSP, responsive to the GPS error indicating signals and the GPS signals to provide a corrected location indication. There is also provided a source of GPS error indicating signals remote from the mobile subscriber unit. The mobile subscriber unit includes a CDMA receiver. The GPS receiver, mobile subscriber unit and DSP are contained as a single unit.

Dependencies are inferred from the claim text.