Availability Assessment of Alternative Precision Approach and Landing System Architectures

Kelly R. Markin, Peter J. Wroblewski, T. Thomas Hsiao, Walter A. Poor

Abstract:	This paper presents results of a comparative assessment of the availability of alternative differential GPS (DGPS) precision approach and landing system architectures. The baseline availability for comparison is developed based on the performance of the current Instrument Landing System (ILS). The analysis addresses the number and positioning of geostationary satellites that are needed to achieve the availability requirements and identifies a possible role for pseudolites. Analysis of temporal availability characteristics of DGPS provides additional operational insight.
Published in:	Proceedings of the 1994 National Technical Meeting of The Institute of Navigation January 24 - 26, 1994 Catamaran Resort Hotel San Diego, CA
Pages:	185 - 192
Cite this article:	Markin, Kelly R., Wroblewski, Peter J., Hsiao, T. Thomas, Poor, Walter A., "Availability Assessment of Alternative Precision Approach and Landing System Architectures," Proceedings of the 1994 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 1994, pp. 185-192.
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