Search Results - "Mourad Barkat"

A fast spectrum sensing for CP-OFDM cognitive radio based on adaptive thresholding by Berbra, Kamel, Barkat, Mourad, Gini, Fulvio, Greco, Maria, Stinco, Pietro

“…Recently, cyclostationarity (CS) based detection methods exploiting the autocorrelation periodicity property of the orthogonal frequency division multiplexing…”
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Near-field multiple source localization by passive sensor array by Huang, Y.-D., Barkat, M.

“…The localization of multiple near-field sources in a spatially white Gaussian noise environment is studied. A modified two-dimensional (2-D) version of the…”
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A Backward Automatic Censored Cell Averaging Detector for Multiple Target Situations in Log-normal Clutter by Musa’ed N. Almarshad, Saleh Alshebeili, Mourad Barkat

“…A challenging problem in radar signal processing is to achieve reliable target detection in the presence of interferences. In this paper, we propose a novel…”
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Automatic censored CFAR detection for nonhomogeneous environments by Himonas, S.D., Barkat, M.

“…In constant false alarm rate (CFAR) detection, the clutter background in the cell under test is estimated by combining the outputs of the nearby resolution…”
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Performance analysis of dual automatic censoring and detection in heterogeneous Weibull clutter: A comparison through extensive simulations by Chabbi, Souad, Laroussi, Toufik, Barkat, Mourad

“…In this paper, we address the problem of lower and upper automatic censoring of unwanted samples from a rank ordered data of reference cells, i.e., dual…”
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PN code acquisition using smart antennas and adaptive thresholding for spread spectrum communications by Sofwan, Aghus, Barkat, Mourad, AlQahtani, Salman A.

“…In this paper, we consider a pseudo-noise (PN) code acquisition for direct sequence spread spectrum communication in a Rayleigh fading multipath channel…”
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Automatic censored mean level detector using a variability-based censoring with non-coherent integration by Farrouki, Atef, Barkat, Mourad

“…Radar detection is impaired by the presence of clutter transitions or interfering targets within the reference channel. In this paper, we propose an automatic…”
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Robust feature points extraction for image registration based on the nonsubsampled contourlet transform by Serief, Chahira, Barkat, Mourad, Bentoutou, Youcef, Benslama, Malek

“…In this letter, a new feature points extraction method based on the nonsubsampled contourlet transform (NSCT) is proposed for image registration. The primary…”
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A Monte Carlo simulation for two novel automatic censoring techniques of radar interfering targets in log-normal clutter by Almarshad, Musaed N., Barkat, Mourad, Alshebeili, Saleh A.

“…In this paper, we present two novel algorithms for automatic censoring of radar interfering targets in log-normal clutter. The proposed algorithms consist of…”
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Performance analysis of order-statistic CFAR detectors in time diversity systems for partially correlated chi-square targets and multiple target situations: A comparison by Laroussi, Toufik, Barkat, Mourad

“…In radar systems, detection performance is always related to target models and background environments. In “time diversity systems”, the assumed Swerling…”
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Maximum likelihood estimation of direction-of-arrival and detection for broad-band sources via dynamic programming by Lin, S.-D., Barkat, M.

“…An analysis is presented to estimate the number of broadband sources by sensor arrays and to compute the maximum likelihood estimator (MLE) of their…”
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The performance of the SMI method in the constrained LMS array and the Griffiths array by Lin, S.-D., Barkat, M.

“…The sample matrix inversion (SMI) method is applied in the constrained least mean square (LMS) array of the Griffiths (1959) array. The mean square error (MSE)…”
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A hybrid array minimizing the effects of the random weight vector errors in the LMS array and the Applebaum array by Lin, S.D., Barkat, M.

“…A hybrid adaptive array that combines the least mean square-error (LMS) array and the Applebaum array is presented. The array minimizes the effect of the…”
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On adaptive cell-averaging CFAR radar signal detection by Barkat, Mourad

“…In radar signal detection, the problem is to automatically detect a target in a nonstationary noise and clutter background while maintaining a constant…”
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CFAR detection for two correlated targets by Barkat, Mourad, Dib, Samira

“…The performance of the mean level detector (MLD) is considered when two correlated targets are present in the reference cells used in estimating the detection…”
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PN Code Acquisition Using Smart Antennas and Adaptive Thresholding Trimmed-Mean CFAR Processing for CDMA Communication by Sofwan, A., Barkat, M.

“…In this paper, we consider a pseudo-noise (PN) code acquisition for direct sequence spread spectrum (DS-SS) communication in a Rayleigh slowly fading multipath…”
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Adaptive ML-CFAR detection for correlated chi-square targets of all fluctuation models in correlated clutter and multiple target situations by Laroussi, Toufik, Barkat, Mourad

“…The problem of adaptive CFAR detection of a pulse-to-pulse partially correlated target with 2 K degrees of freedom in a pulse-to-pulse partially Rayleigh…”
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A performance comparison of two time diversity systems using CMLD-CFAR detection for partially correlated chi-square targets and multiple target situations by Laroussi, Toufik, Barkat, Mourad

“…In radar systems, detection performance is always related to target models and background environments. In time diversity systems, the probability of detection…”
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An adaptive serial acquisition of PN sequence in nonhomogenous AWGN channel using artificial neural networks by Benkrinah, Sabra, Benslama, M., Barkat, M.

“…In this paper, we propose an adaptive non-coherent serial pseudo-noise (PN) acquisition scheme for code division multiple access (CDMA) communication systems…”
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Serial PN Acquisition Using Smart Antenna and Censored Mean Level CFAR Adaptive Thresholding for a DS/CDMA Mobile Communication by Alhariqi, N., Barkat, M., Sofwan, A.

“…In [1], a novel approach using smart antenna with adaptive thresholding constant false alarm rate (CFAR) in pseudo-noise (PN) code acquisition for direct…”
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