PPS RAIM ALGORITHMS AND THEIR PERFORMANCE

K. Kovach, H. Maquet, and D. Davis

Peer Reviewed

Abstract: This paper describes several receiver autonomous integrity monitoring (RAIM)- type algorithms that are candidates for use in military Precise Positioning Service (PPS) GPS receivers. Although these PPS RAIM-type algorithms are based on the Standard Positioning Service (SPS) RAIM and RAIM-type algorithms described in RTCNDO-208, TSO-C129, and elsewhere, a number of interesting modifications are necessary to adapt those SPS algorithms for use in a PPS receiver. Among these modifications are not having to deal with selective availability (SA) effects and needing to operate in a “fewer-than-all-in-view” mode. The performance of the PPS l&AIM-type algorithms is presented with respect to both TSO-Cl29 requirements and global detection availability for en route, terminal, and nonprecision approach operation. The performance of the algorithms is compared against the evolving required navigation performance (RNP) standards for primary-means navigation, and a preliminary evaluation is offered.
Published in: NAVIGATION, Journal of the Institute of Navigation, Volume 42, Number 3
Pages: 515 - 530
Cite this article: Kovach, K., Maquet, H., Davis, D., "PPS RAIM ALGORITHMS AND THEIR PERFORMANCE", NAVIGATION, Journal of The Institute of Navigation, Vol. 42, No. 3, Fall 1995, pp. 515-530.
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