Optimizing Differential GPS for a Data Rate Constrained Broadcast Channel

Christopher J. Hegarty

Abstract:	This paper presents a method for determining the optimal update period and correction resolutions for both Local- area Differential GPS (LDGPS) pseudorange and Wide-area Differential GPS (WDGPS) clock corrections when the data rate of the broadcast channel is constrained. Additionally, results of a performance evaluation are used to suggest that a method in which DGPS users generate their own range rate corrections may be more desirable than the more prevalent method of providing range rate corrections in the DGPS message.
Published in:	Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993) September 22 - 24, 1993 Salt Palace Convention Center Salt Lake City, UT
Pages:	1527 - 1535
Cite this article:	Hegarty, Christopher J., "Optimizing Differential GPS for a Data Rate Constrained Broadcast Channel," Proceedings of the 6th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1993), Salt Lake City, UT, September 1993, pp. 1527-1535.
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