Open Architecture in a DOD Standard GPS Receiver

Redge Bartholomew

Abstract:	An Open System Environment (OSE) applied to a software architecture has the potential to reduce development costs, reduce the risk of delivering latent defects, and (thereby ) allow the more timely acquisition of advanced mission capability than is currently the case for software based DOD GPS equipment. The DOD’S standard airborne GPS receivers -- 3A, MAGR, EGI -- all have a software architecture that could easily be modified to provide an open software environment. This paper briefly identifies a few basic OSE concepts, describes the DOD standard receivers’ software architecture, and describes the changes to it that would allow not only the porting of software from one avionics platform to another, but also that would allow the addition of new capabilities without having to modify existing, already fielded software. It describes the process by which new capability could autonomously be loaded into one of the existing receivers.
Published in:	Proceedings of the 1996 National Technical Meeting of The Institute of Navigation January 22 - 24, 1996 Loews Santa Monica Hotel Santa Monica, CA
Pages:	311 - 320
Cite this article:	Bartholomew, Redge, "Open Architecture in a DOD Standard GPS Receiver," Proceedings of the 1996 National Technical Meeting of The Institute of Navigation, Santa Monica, CA, January 1996, pp. 311-320.
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