Velocity measurement using the FDOA Method in ground-based radio navigation system

• Autorzy: Sadowski J.

Identyfikatory

DOI

10.2478/mms-2014-0031

• Języki publikacji: EN

Abstrakty

EN

Velocity is one of the main navigation parameters of moving objects. However some systems of position estimation using radio wave measurements cannot provide velocity data due to limitation of their performance. In this paper a velocity measurement method for the DS-CDMA radio navigation system is proposed, which does not require full synchronization of reference stations carrier frequencies. The article presents basics of FDOA (frequency difference of arrival) velocity measurements together with application of this method to an experimental radio navigation system called AEGIR and with some suggestions about the possibility to implement such FDOA measurements in other kinds of asynchronous DS-CDMA radio networks. The main part of this paper present results of performance evaluation of the proposed method, based on laboratory measurements.

Słowa kluczowe

EN

radio navigation; spread spectrum; velocity estimation; FDOA

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2014
• Tom: Vol. 21, nr 2
• Strony: 363--376
• Opis fizyczny: Bibliogr. 10 poz., rys., wykr., wzory

Twórcy

autor

Sadowski J.

• Gdansk University of Technology, Faculty of Electronics, Telecommunications and Informatics, Department of Radio Communication Systems and Networks, Narutowicza 11/12, 80-233 Gdansk, Poland

Bibliografia

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• [2] Ambroziak, S., Katulski, R., Sadowski, J., Siwicki, W., Stefanski, J. (2012). Ground-based radiolocation system - AEGIR. In Proc. 8th International Symposium on Mechatronics and its Applications. Sharijah, UAE, 1-5.
• [3] Katulski, R., Stefanski, J., Siwicki, W., Sadowski, J., Ambroziak, S. (2011). Asynchronous system and method for estimating position of persons and/or objects. European patent application no. 11460023.
• [4] Stefanski, J. (2012). Radio link measurement methodology for location service applications. Metrology and Measurement Systems, 19(2), 333-342.
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• [6] Nicoloso, S. (1997). An investigation of carrier recovery techniques for PSK modulated signals in CDMA and multipath mobile environments, MSc thesis, The Bradley Department of Electrical Engineering.
• [7] Rutman, J., Walls, F.L. (1991). Characterization of Frequency Stability in Precision Frequency Sources, Proceedings of the IEEE, Vol. 79, No. 6, 952-960.
• [8] Barnes, J. et al, (1971). Characterization of frequency stability, IEEE Transactions on Instrumentation and Measurement, Vol. IM-20, Iss. 2, 105-120.
• [9] Verdu, S. (2003). Multiuser Detection, Cambridge University Press.
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