NDLI: A direct RF sampling multifrequency GPS receiver

Content Provider	IEEE Xplore Digital Library
Author	Thor, J. Akos, D.M.
Copyright Year	2002
Description	Author affiliation: EISLAB, Lulea Univ. of Technol., Sweden (Thor, J.; Akos, D.M.)
Abstract	The future satellite positioning/navigation systems (both GPS and Galileo) will provide civil signals on multiple frequencies, similar to that currently available only for military use. The multiple distinct frequencies will provide many advantages to users of the navigation systems. This paper presents a direct RF sampling front end design well suited for multiple frequency satellite navigation receiver design. No frequency down conversion is necessary, rather the particular frequency bands of interest are intentionally aliased using a wide band ADC. The resulting samples are passed, via a doubling buffering FPGA design, to the memory space of a host PC for storage as well as eventually processing of the multiple frequency transmissions. This paper describes the design of the front-end, validates its concept with collected data, and discusses the variations on the design of a generic multiple frequency GPS front end.
Sponsorship	IEEE Aerospace Electron. Syst. Soc
Starting Page	44
Ending Page	51
File Size	660674
Page Count	8
File Format	PDF
ISBN	0780372514
DOI	10.1109/PLANS.2002.998887
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-04-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Sampling methods Global Positioning System Satellite navigation systems Signal design Satellite broadcasting Frequency estimation Military satellites Frequency conversion Buffer storage
Content Type	Text
Resource Type	Article

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