Precision RF Ranging as an Aid to Integrated Navigation Systems

D.W.A. Taylor, W.T. Faulkner, B.D. Farnsworth

Abstract:	Radio-frequency (RF) ranging can be an important aid to an integrated navigation system, providing a key element to updating location information when GNSS systems are unavailable, blocked, or otherwise denied. The majority of the recent literature on RF ranging aids has focused on ultra wideband (UWB) ranging methods, due to the increase in ranging precision that comes with increasing RF bandwidth. Practically, challenges exist with UWB due to implementation difficulties and regulatory limitations. This paper presents our approach to band-limited RF ranging [1, 2] that is high-precision (centimeters), flexible in spectrum utilization, and inexpensive to implement. This band-limited ranging radio architecture has the potential for broad utility as an aid to integrated navigation systems. Several of these potential applications are described in this paper.
Published in:	Proceedings of the 23rd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2010) September 21 - 24, 2010 Oregon Convention Center, Portland, Oregon Portland, OR
Pages:	2508 - 2512
Cite this article:	Taylor, D.W.A., Faulkner, W.T., Farnsworth, B.D., "Precision RF Ranging as an Aid to Integrated Navigation Systems," Proceedings of the 23rd International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2010), Portland, OR, September 2010, pp. 2508-2512.
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