43 citations · 70 across the 8 of their papers we have counts for
9 papers
Hybrid Joint Diagonalization Algorithms
Mohamed Nait-Meziane, Karim Abed-Meraim, Abd-Krim Seghouane +1
This paper deals with a hybrid joint diagonalization (JD) problem considering both Hermitian and transpose congruences. Such problem can be encountered in certain non-circular sign…
Structure-Based Subspace Method for Multi-Channel Blind System Identification
Qadri Mayyala, Karim Abed-Meraim, Azzedine Zerguine
In this work, a novel subspace-based method for blind identification of multichannel finite impulse response (FIR) systems is presented. Here, we exploit directly the impeded Toepl…
Blind Source Separation Algorithms Using Hyperbolic and Givens Rotations for High-Order QAM Constellations
Syed A. W. Shah, Karim Abed-Meraim, Tareq Y. Al-Naffouri
This paper addresses the problem of blind demixing of instantaneous mixtures in a multiple-input multiple-output communication system. The main objective is to present efficient bl…
Performance Analysis and Optimal Power Allocation for Linear Receivers Based on Superimposed Training
Abla Kammoun, Karim Abed-Meraim
In this paper, we derive a performance comparison between two training-based schemes for Multiple-Input Multiple-Output (MIMO) systems. The two schemes are thetime-division multipl…
Constant Modulus Algorithms Using Hyperbolic Givens Rotation
Aissa Ikhlef, Redha Iferroujene, Abdelouahab Boudjellal +2
We propose two new algorithms to minimize the constant modulus (CM) criterion in the context of blind source separation. The first algorithm, referred to as Givens CMA (G-CMA) uses…
A new algorithm for complex non orthogonal joint diagonalization based on Shear and Givens rotations
Ammar Mesloub, Karim Abeb-Meraim, Adel Belouchrani
This paper introduces a new algorithm to approximate non orthogonal joint diagonalization (NOJD) of a set of complex matrices. This algorithm is based on the Frobenius norm formula…
Quasi-convexity of the asymptotic channel MSE in regularized semi blind estimation
Abla Kammoun, Karim Abed-Meraim, Sofiene Affes
In this paper, the quasi-convexity of a sum of quadratic fractions in the form is demonstrated where and are stri…
Exact Conditional and Unconditional Cramèr-Rao Bounds for Near Field Localization
Youcef Begriche, Messaoud Thameri, Karim Abed-Meraim
This paper considers the Cramèr-Rao lower Bound (CRB) for the source localization problem in the near field. More specifically, we use the exact expression of the delay parameter f…
Technical Report: Multi-Carrier Position-Based Packet Forwarding Protocol For Wireless Sensor Networks
Ahmed Bader, Karim Abed-Meraim, Mohamed-Slim Alouini
Beaconless position-based forwarding protocols have recently evolved as a promising solution for packet forwarding in wireless sensor networks. However, as the node density grows,…