Abstract
Honeywell and its teammates, Allied Signal and Trimble, have developed a design for a compact (100 in/sup 3/) integrated Global Positioning System/Inertial Navigation System (GPS/INS) under the GPS Guidance Package (GGP) Program funded by DARPA. This effort included developing new inertial sensor technology and implementing inertial aiding of the GPS receiver's tracking loops. The inertial sensors consist of fiber-optic gyroscopes and solid-state silicon accelerometers suitable for a 1-nmi/hr-class navigation system. Inertial aiding of the GPS receiver's carrier tracking loop was used to enhance tracking under severe dynamics without compromising anti-jam performance. This paper reviews the system architecture, provides a brief description of the key subassemblies and describes the test results from a prototype unit. These prototype units demonstrated the capabilities of the overall system, including integrated GPS/INS navigation and enhanced performance of the GPS receiver as a result of carrier loop aiding.
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