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Secondary Surveillance Radar: Sparsity-based sources separation in a real environment

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3 Author(s)
N. Petrochilos ; CReSTIC, University of Reims, Moulins de la Housse, BP 1039, 51687 Cedex 2, France ; G. Galati ; E. Piracci

Secondary surveillance radar (SSR) based on multilateration principle and omni-directional antennae are operational today [1], [2]. We proposed several new algorithms to separate a mixture of overlapping SSR replies on a M-elements antenna in previous works [3], [4], [5], [6], other solutions were also proposed in the literature [7], [8], [9]. Unfortunately, a rare event, but important, has not yet been resolved: the impinging of more sources than sensors with an approximate similar time of arrival. This preliminary work studies the use of the SSR sources sparsity property, as in [10], [11], [12]. Real recorded signals in a live environment will be used to demonstrate the effectiveness of the proposed techniques.

Published in:

Digital Communications - Enhanced Surveillance of Aircraft and Vehicles, 2008. TIWDC/ESAV 2008. Tyrrhenian International Workshop on

Date of Conference:

3-5 Sept. 2008