1.7k citations · 7.2k across the 408 of their papers we have counts for
24 papers · 1 filter
The random matrix regime of Maronna's M-estimator for observations corrupted by elliptical noises
Abla Kammoun, Mohamed-Slim Alouini
This article studies the behavior of the Maronna robust scatter estimator of a sequence of observations which is composed of a $…
On the Smallest Eigenvalue of General correlated Gaussian Matrices
Abla Kammoun, M. S. Alouini
This paper investigates the behaviour of the spectrum of generally correlated Gaussian random matrices whose columns are zero-mean independent vectors but have different correlatio…
Coordinated Hybrid Automatic Repeat Request; Extended Version
Behrooz Makki, Tommy Svensson, Thomas Eriksson +1
We develop a coordinated hybrid automatic repeat request (HARQ) approach. With the proposed scheme, if a user message is correctly decoded in the first HARQ rounds, its spectrum is…
Technical Report: Finger Replacement Schemes for RAKE Receivers in the Soft Handover Region with Multiple BSs over I.N.D. Fading Channels
Sung Sik Nam, Seyeong Choi, Sung Ho Cho +1
A new finger replacement technique which is applicable for RAKE receivers in the soft handover (SHO) region has been proposed and studied in [1], [2] under the ideal assumption tha…
Consumption Factor Optimization for Multihop Relaying over Nakagami-m Fading channels
Itsikiantsoa Randrianantenaina, Mustapha Benjillali, Mohamed-Slim Alouini
In this paper, the energy efficiency of multihop relaying over Nakagami- fading channels is investigated. The "consumption factor" is used as a metric to evaluate the energy eff…
Coordinated Scheduling for the Downlink of Cloud Radio-Access Networks
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
This paper addresses the coordinated scheduling problem in cloud-enabled networks. Consider the downlink of a cloud-radio access network (C-RAN), where the cloud is only responsibl…
An Improved Hazard Rate Twisting Approach for the Statistic of the Sum of Subexponential Variates (Extended Version)
Nadhir Ben Rached, Abla Kammoun, Mohamed-Slim Alouini +1
In this letter, we present an improved hazard rate twisting technique for the estimation of the probability that a sum of independent but not necessarily identically distributed su…
Extended Delivery Time Analysis for Non-work-preserving Packet Transmission in Cognitive Environment
Muneer Usman, Hong-Chuan Yang, Mohamed-Slim Alouini
Cognitive radio transceiver can opportunistically access the underutilized spectrum resource of primary systems for new wireless services. With interweave cognitive implementation,…
Delay Reduction in Multi-Hop Device-to-Device Communication using Network Coding
Ahmed Douik, Sameh Sorour, Tareq Y. Al-Naffouri +2
This paper considers the problem of reducing the broadcast decoding delay of wireless networks using instantly decodable network coding (IDNC) based device-to-device (D2D) communic…
Extended Delivery Time Analysis for Cognitive Packet Transmission with Application to Secondary Queuing Analysis
Muneer Usman, Hong-Chuan Yang, Mohamed-Slim Alouini
Cognitive radio transceiver can opportunistically access the underutilized spectrum resource of primary systems for new wireless services. With interleave implementation, the secon…
High SNR BER Comparison of Coherent and Differentially Coherent Modulation Schemes in Lognormal Fading Channels
Xuegui Song, Julian Cheng, Mohamed-Slim Alouini
Using an auxiliary random variable technique, we prove that binary differential phase-shift keying and binary phase-shift keying have the same asymptotic bit-error rate performance…
MGF Approach to the Analysis of Generalized Two-Ray Fading Models
Milind Rao, F. Javier Lopez-Martinez, Mohamed-Slim Alouini +1
We analyze a class of Generalized Two-Ray (GTR) fading channels that consist of two line of sight (LOS) components with random phase plus a diffuse component. We derive a closed fo…
A Fast Simulation Method for the Sum of Subexponential Distributions
Nadhir Ben Rached, Fatma Benkhelifa, Abla Kammoun +2
Estimating the probability that a sum of random variables (RVs) exceeds a given threshold is a well-known challenging problem. Closed-form expression of the sum distribution is usu…
Analytical Modeling of Mode Selection and Power Control for Underlay D2D Communication in Cellular Networks
Hesham ElSawy, Ekram Hossain
Device-to-device (D2D) communication enables the user equipments (UEs) located in close proximity to bypass the cellular base stations (BSs) and directly connect to each other, and…
A Game Theoretic Approach to Minimize the Completion Time of Network Coded Cooperative Data Exchange
Ahmed Douik, Sameh Sorour, Hamidou Tembine +2
In this paper, we introduce a game theoretic framework for studying the problem of minimizing the completion time of instantly decodable network coding (IDNC) for cooperative data…
Decoding Delay Controlled Reduction of Completion Time in Instantly Decodable Network Coding
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
For several years, the completion time and the decoding delay problems in Instantly Decodable Network Coding (IDNC) were considered separately and were thought to completely act ag…
A Game-Theoretic Framework for Decentralized Cooperative Data Exchange using Network Coding
Ahmed Douik, Sameh Sorour, Hamidou Tembine +2
In this paper, we introduce a game theoretic framework for studying the problem of minimizing the delay of instantly decodable network coding (IDNC) for cooperative data exchange (…
Performance Analysis of Hybrid ARQ with Incremental Redundancy over Amplify-and-Forward Dual-Hop Relay Channels
Ali Chelli, Amir Hadjtaieb, Mohamed-Slim Alouini
In this paper, we consider a three node relay network comprising a source, a relay, and a destination. The source transmits the message to the destination using hybrid automatic re…
Transmit Antenna Selection in Underlay Cognitive Radio Environment
Muhammad Hanif, Hong-Chuan Yang, Mohamed-Slim Alouini
Cognitive radio (CR) technology addresses the problem of spectrum under-utilization. In underlay CR mode, the secondary users are allowed to communicate provided that their transmi…
On Minimizing the Maximum Broadcast Decoding Delay for Instantly Decodable Network Coding
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
In this paper, we consider the problem of minimizing the maximum broadcast decoding delay experienced by all the receivers of generalized instantly decodable network coding (IDNC).…
Unified Performance Analysis of Mixed Line of Sight RF-FSO Fixed Gain Dual-Hop Transmission Systems
Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
In this work, we carry out a unified performance analysis of a dual-hop fixed gain relay system over asymmetric links composed of both radio-frequency (RF) and unified free-space o…
Interference Statistics and Capacity Analysis for Uplink Transmission in Two-Tier Small Cell Networks: A Geometric Probability Approach
Hina Tabassum, Zaher Dawy, Ekram Hossain +1
Small cell networks are evolving as an economically viable solution to ameliorate the capacity and coverage of state-of-the-art wireless cellular systems. Nonetheless, the dense an…
Completion Time Reduction in Instantly Decodable Network Coding Through Decoding Delay Control
Ahmed Douik, Sameh Sorour, Mohamed-Slim Alouini +1
For several years, the completion time and decoding delay problems in Instantly Decodable Network Coding (IDNC) were considered separately and were thought to completely act agains…
On Low-Complexity Full-diversity Detection In Multi-User MIMO Multiple-Access Channels
Amr Ismail, Mohamed-Slim Alouini
Multiple-input multiple-output (MIMO) techniques are becoming commonplace in recent wireless communication standards. This added dimension (i.e., space) can be efficiently used to…