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RF replay system for narrowband GNSS if signals
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
University of Boulder at Colorado.
2011 (English)In: IEEE Transactions on Aerospace and Electronic Systems, ISSN 0018-9251, E-ISSN 1557-9603, Vol. 47, no 1, 586-595 p.Article in journal (Refereed) Published
Abstract [en]

Although GNSS RF signal simulators have long possessed the capability to generate scenarios they are, for example, not yet able to model a realistic scenario with complex multipath. Software defined receivers bridge the gap between simulated and real data to the extent that they may offer a replay capability, where a data set is first recorded to disk and later can be processed several times. Unfortunately, the recorded data generally can not be used by other GNSS receivers, making receiver to receiver comparisons difficult and time consuming.This paper describes a system capable of replaying recorded IF data into any narrow bandwidth L1 GNSS receiver, including an evaluation of the difference (position, timing and SNR) between live and replayed data using a high sensitivity, consumer grade receiver. The performance of the replayed data set was found to match that of the live data.

Place, publisher, year, edition, pages
2011. Vol. 47, no 1, 586-595 p.
Keyword [en]
Information technology - Signal processing
Keyword [sv]
Informationsteknik - Signalbehandling
Research subject
Industrial Electronics
URN: urn:nbn:se:ltu:diva-14241DOI: 10.1109/TAES.2011.5705693Local ID: d97e7590-77e2-11dc-80da-000ea68e967bOAI: diva2:987195
Validerad; 2011; 20071011 (staffan)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Backén, StaffanAkos, Dennis
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