Ultra Lowcost GPS Receiver

Phillip G. Mattos

Abstract:	Position reporting / fleet control, where the posi- tion of the vehicle is not required in the vehicle, but only at the control centre is a potentially high- volume market, initially for tracking valuable loads, but subsequently for use in private vehicles for both distress alerting and traffic monitoring. Because position is not required in the vehicle, only the most basic parts of the GPS receiver are re- quired.... the radio receiver, and enough intelli- gence to extract the relative time of reception of the signals. The orbit data is not needed, as this can be down- loaded at the basestation, which function can auto- matically provide differential corrections. The complete sensor function can then be provided by a 20 dollar radio and 6 off-the-shelf chips. The architecture of both radio, computer hardware and software is outlined.
Published in:	Proceedings of the 5th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1992) September 16 - 18, 1992 Albuquerque, NM
Pages:	355 - 360
Cite this article:	Mattos, Phillip G., "Ultra Lowcost GPS Receiver," Proceedings of the 5th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1992), Albuquerque, NM, September 1992, pp. 355-360.
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