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Communication Dans Un Congrès Année : 2015

Improved direction finding using a maneuverable array of directional sensors

Résumé

An antenna array of directional sensors offers more degrees of-freedom to improve the source localization accuracy. The originally sophisticated expression of the CRB turns into a factorized one at high SNR, perfectly suitable to derive an objective function that depends on the array geometry and the source direction PDF. Analytically untractable, optimization is conducted by systematic search for a two-sensor array. The so-optimized array has a finite accuracy in all directions, contrarily to fixed-geometry linear arrays, and a performance comparable to larger-sized fixed-geometry circular arrays, and so at all SNR levels
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Dates et versions

hal-01285357 , version 1 (09-03-2016)

Identifiants

Citer

Houcem Gazzah, Jean-Pierre Delmas, Sérgio M. Jesus. Improved direction finding using a maneuverable array of directional sensors. ICASSP 2015 : 40th International Conference on Acoustics, Speech and Signal Processing, Apr 2015, Brisbane, Australia. pp.2799 - 2803, ⟨10.1109/ICASSP.2015.7178481⟩. ⟨hal-01285357⟩
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