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Self-calibration of a passive radar system using GSM base stations

: Knoedler, B.; Zemmari, R.


Institute of Electrical and Electronics Engineers -IEEE-; IEEE Geoscience and Remote Sensing Society:
IEEE Radar Conference 2015. Proceedings : October 27-30, 2015, Johannesburg, South Africa
Piscataway, NJ: IEEE, 2015
ISBN: 978-1-4673-9655-4 (Electronic)
ISBN: 978-1-4673-9654-7 (USB)
ISBN: 978-1-4673-9656-1 (Print on Demand)
Radar Conference <2015, Johannesburg>
Fraunhofer FKIE ()

This paper examines the self-calibration of a GSM passive radar system with an eigenstructure-based method. The aim of the calibration process is to compensate unknown phase and amplitude errors present in each received signal of a multichannel receiver using a linear antenna array. The phase and amplitude values are estimated using received signals of GSM base stations with known positions. To improve the estimation results, the method is adapted to process several base stations simultaneously. A confirmation of the algorithm is performed with simulations and by evaluating signal processing results of real data obtained in an experimental trial.