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- Houcem Gazzah, Phillip A. Regalia, Jean Pierre Delmas
- IEEE Trans. Information Theory
- 2001

SzegÃ¶â€™s theorem states that the asymptotic behavior of the eigenvalues of a Hermitian Toeplitz matrix is linked to the Fourier transform of its entries. This result was later extended to blockâ€¦ (More)

- Houcem Gazzah, Phillip A. Regalia, Jean Pierre Delmas, Karim Abed-Meraim
- IEEE Trans. Signal Processing
- 2002

Active research in blind single input multiple output (SIMO) channel identification has led to a variety of second-order statistics-based algorithms, particularly the subspace (SS) and the linearâ€¦ (More)

- Houcem Gazzah, Sylvie Marcos
- IEEE Transactions on Signal Processing
- 2006

We study the impact of the geometry of the (planar) antenna array on the accuracy of the estimated direction(s) of arrivals of an emitting source. We develop explicit Cramer-Rao bounds (CRBs) of theâ€¦ (More)

- Houcem Gazzah
- IEEE Transactions on Signal Processing
- 2006

The linear prediction (LP) algorithm estimates a zero-forcing (ZF) equalizer from the channel output's second-order statistics (SOS). We show that it allows, in fact, to determine a whole subspace ofâ€¦ (More)

- Houcem Gazzah
- IEEE Transactions on Aerospace and Electronicâ€¦
- 2011

A method is proposed to optimally place the sensors of an ambiguity-free planar antenna array in order to ensure a constant and minimal (mean square) error on the estimated angle of arrival, and soâ€¦ (More)

- Houcem Gazzah, J. Delmas
- 2011 IEEE Statistical Signal Processing Workshopâ€¦
- 2011

It is well known that beamforming and Capon spectral or direction estimators are biased and inefficient with respect to the Cramer-Rao bound (CRB). On the other hand, the MUSIC algorithm is known toâ€¦ (More)

- Houcem Gazzah, Jean Pierre Delmas
- IEEE Transactions on Signal Processing
- 2012

We consider the problem of sensor placement for estimating the direction of arrival of a narrow-band source randomly located in the far-field of a planar antenna array. Performance is evaluated byâ€¦ (More)

- Jean Pierre Delmas, Houcem Gazzah, Athanasios P. Liavas, Phillip A. Regalia
- IEEE Trans. Signal Processing
- 2000

Many second-order approaches have been proposed recently for blind FIR channel identification in a single-input/multi-output context. In practical conditions, the measured impulse responses usuallyâ€¦ (More)

- Houcem Gazzah
- IEEE Transactions on Signal Processing
- 2011

Second-order blind algorithms have in common a complexity that is cubic in both the channel order and the number of receiving antennas. We present an original technique that converts (the problem ofâ€¦ (More)

- Houcem Gazzah, Sylvie Marcos
- ICASSP
- 2003

We address the estimation of the direction(s) of arrivals (DOA) of emitting sources. In a number of applications, a priori knowledge about the source location is available so that the possible DOAsâ€¦ (More)