Title: Geolocalization via Tracking of Wideband Radio Astronomical Sources in the Presence of Radio Frequency Interference
Author(s): Muhammet Emin Yanik, Murat Torlak
Published in: Proceedings of IEEE/ION PLANS 2018
April 23 - 26, 2018
Hyatt Regency Hotel
Monterey, CA
Pages: 1234 - 1238
Cite this article: Yanik, Muhammet Emin, Torlak, Murat, "Geolocalization via Tracking of Wideband Radio Astronomical Sources in the Presence of Radio Frequency Interference," Proceedings of IEEE/ION PLANS 2018, Monterey, CA, April 2018, pp. 1234-1238.
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Abstract: Sky tracking of permanent radio astronomical sky sources has been shown to be a promising alternative method to global positioning system (GPS) especially when GPS signals are either unavailable or may have been compromised. On the other hand, radio astronomical observations are increasingly corrupted by man-made radio frequency interference (RFI). In this paper, radio astronomical geolocalization is investigated from the viewpoint of wideband measurements while combating RFI. The proposed geolocalization algorithm is designed as a joint iterative visibility phase reconstruction and localization algorithm based on unconstrained minimization. The effectiveness of the proposed algorithm is validated using simulated data. This approach can be extended to enable similar geolocating capability to ground based objects such as rovers, etc. on other celestial bodies in the solar system where there are no orbiting satellites like GPS.