Non-Unitary Joint Block Diagonalization of matrices using a Levenberg-Marquardt algorithm. - Omar Cherrak; Hicham Ghennioui; El Hossein Abarkan; Nadège Thirion-Moreau (EUSIPCO, 2013)

Non-unitary joint zero-block diagonalization of matrices using a conjugate gradient algorithm. - Omar Cherrak; Hicham Ghennioui; El Hossein Abarkan; Nadège Thirion-Moreau; Eric Moreau (EUSIPCO, 2015)

A new accurate parameter estimation method for unbalanced three-phase system based on correlation function. - Omar Cherrak; Mehdi Omari; Hicham Ghennioui; M'hammed Lahbabi; El Hossein Abarkan (WINCOM, 2015)

DOA estimation based on time-frequency music application to Massive MIMO systems. - Lamiae Hachad; Omar Cherrak; Hicham Ghennioui; Fatiha Mrabti; Mohcine Zouak (ATSIP, 2017)

Preconditioned optimization algorithms solving the problem of the non unitary joint block diagonalization: application to blind separation of convolutive mixtures. - Omar Cherrak; Hicham Ghennioui; Nadège Thirion-Moreau; El Hossein Abarkan (Multidimens. Syst. Signal Process., 2018)