Title: Dual-Frequency Positioning via Time-Multiplexing of Single-Frequency Resources - or ‘Mono-Frequency but not Single-Frequency’
Author(s): James T. Curran, Aiden Morrison, Nadezda Sokolova
Published in: Proceedings of the 30th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2017)
September 25 - 29, 2017
Oregon Convention Center
Portland, Oregon
Pages: 3494 - 3507
Cite this article: Curran, James T., Morrison, Aiden, Sokolova, Nadezda, "Dual-Frequency Positioning via Time-Multiplexing of Single-Frequency Resources - or ‘Mono-Frequency but not Single-Frequency’," Proceedings of the 30th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2017), Portland, Oregon, September 2017, pp. 3494-3507.
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Abstract: A time-multiplexing approach to multi-frequency receiver operation is introduced in this paper, wherein a single-frequency receiver platform is configured to dynamically re-tune to each of a selection of different carrier frequencies to produce multi-frequency measurements. The development of a prototype L1-L2 software defined receiver is described, detailing a variety of design parameters and performance trade-offs. Finally, the ranging and positioning performance of the receiver is bench-marked against a survey-grade reference receiver using live GNSS data.