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32 papers · 1 filter
Blind Measurement Selection: A Random Matrix Theory Approach
Khalil Elkhalil, Abla Kammoun, Tareq Y. Al-Naffouri +1
This paper considers the problem of selecting a set of measurements from available sensor observations. The selected measurements should minimize a certain error function a…
A Hybrid Energy Sharing Framework for Green Cellular Networks
Muhammad Junaid Farooq, Hakim Ghazzai, Abdullah Kadri +2
Cellular operators are increasingly turning towards renewable energy (RE) as an alternative to using traditional electricity in order to reduce operational expenditure and carbon f…
Green Networking in Cellular HetNets: A Unified Radio Resource Management Framework with Base Station ON/OFF Switching
Hakim Ghazzai, Muhammad Junaid Farooq, Ahmad Alsharoa +3
In this paper, the problem of energy efficiency in cellular heterogeneous networks (HetNets) is investigated using radio resource and power management combined with the base statio…
Improper Signaling in Two-Path Relay Channels
Mohamed Gaafar, Osama Amin, Rafael F. Schaefer +1
Inter-relay interference (IRI) challenges the operation of two-path relaying systems. Furthermore, the unavailability of the channel state information (CSI) at the source and the l…
Design of 5G Full Dimension Massive MIMO Systems
Qurrat-Ul-Ain Nadeem, Abla Kammoun, Mérouane Debbah +1
Massive multiple-input-multiple-output (MIMO) transmission is a promising technology to improve the capacity and reliability of wireless systems. However, the number of antennas th…
Handover Management in 5G and Beyond: A Topology Aware Skipping Approach
Rabe Arshad, Hesham ElSawy, Sameh Sorour +2
Network densification is found to be a potential solution to meet 5G capacity standards. Network densification offers more capacity by shrinking base stations' (BSs) footprints, th…
Distributed Hybrid Scheduling in Multi-Cloud Networks using Conflict Graphs
Ahmed Douik, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
Recent studies on cloud-radio access networks assume either signal-level or scheduling-level coordination. This paper considers a hybrid coordinated scheme as a means to benefit fr…
Velocity-Aware Handover Management in Two-Tier Cellular Networks
Rabe Arshad, Sameh Sorour, Hesham Elsawy +2
While network densification is considered an important solution to cater the ever-increasing capacity demand, its effect on the handover (HO) rate is overlooked. In dense 5G networ…
Spatiotemporal Stochastic Modeling of IoT Enabled Cellular Networks: Scalability and Stability Analysis
Mohammad Gharbieh, Hesham ElSawy, Ahmed Bader +1
The Internet of Things (IoT) is large-scale by nature, which is manifested by the massive number of connected devices as well as their vast spatial existence. Cellular networks, wh…
Modeling Cellular Networks with Full Duplex D2D Communication: A Stochastic Geometry Approach
Konpal Shaukat Ali, Hesham ElSawy, Mohamed-Slim Alouini
Full-duplex (FD) communication is optimistically promoted to double the spectral efficiency if sufficient self-interference cancellation (SIC) is achieved. However, this is not tru…
Mobility-Aware Modeling and Analysis of Dense Cellular Networks with C-plane/U-plane Split Architecture
Hazem Ibrahim, Hesham ElSawy, Uyen T. Nguyen +1
The unrelenting increase in the population of mobile users and their traffic demands drive cellular network operators to densify their network infrastructure. Network densification…
Cooperative Handover Management in Dense Cellular Networks
Rabe Arshad, Hesham ElSawy, Sameh Sorour +2
Network densification has always been an important factor to cope with the ever increasing capacity demand. Deploying more base stations (BSs) improves the spatial frequency utiliz…
Tractable Stochastic Geometry Model for IoT Access in LTE Networks
Mohammad Gharbieh, Hesham ElSawy, Ahmed Bader +1
The Internet of Things (IoT) is large-scale by nature. This is not only manifested by the large number of connected devices, but also by the high volumes of traffic that must be ac…
FSO-based Vertical Backhaul/Fronthaul Framework for 5G+ Wireless Networks
Mohamed Alzenad, Muhammad Zeeshan Shakir, Halim Yanikomeroglu +1
The presence of a super high rate, but also cost-efficient, easy-to-deploy, and scalable, backhaul/fronthaul framework is essential in the upcoming fifth-generation (5G) wireless n…
Precoding design for single-RF massive MIMO systems: A large system analysis
Houssem Sifaou, Abla Kammoun, Mohamed-Slim Alouini
This work revisits a recently proposed precoding design for massive multiple-input multiple output (MIMO) systems that is based on the use of an instantaneous total power constrain…
Fluctuations of the SNR at the output of the MVDR with Regularized Tyler Estimators
Khalil Elkhalil, Abla Kammoun, Tareq Y. Al-Naffouri +1
This paper analyzes the statistical properties of the signal-to-noise ratio (SNR) at the output of the Capon's minimum variance distortionless response (MVDR) beamformers when oper…
Robust Beamforming in Cache-Enabled Cloud Radio Access Networks
Oussama Dhifallah, Hayssam Dahrouj, Tareq Y. Al-Naffouri +1
Popular content caching is expected to play a major role in efficiently reducing backhaul congestion and achieving user satisfaction in next generation mobile radio systems. Consid…
Max-Min SINR in Large-Scale Single-Cell MU-MIMO: Asymptotic Analysis and Low Complexity Transceivers
Houssem Sifaou, Abla Kammoun, Luca Sanguinetti +2
This work focuses on the downlink and uplink of large-scale single-cell MU-MIMO systems in which the base station (BS) endowed with antennas communicates with single-antenn…
Handover Management in Dense Cellular Networks: A Stochastic Geometry Approach
Rabe Arshad, Hesham ElSawy, Sameh Sorour +2
Cellular operators are continuously densifying their networks to cope with the ever-increasing capacity demand. Furthermore, an extreme densification phase for cellular networks is…
3D Massive MIMO Systems: Modeling and Performance Analysis
Qurrat-Ul-Ain Nadeem, Abla Kammoun, Merouane Debbah +1
Multiple-input-multiple-output (MIMO) systems of current LTE releases are capable of adaptation in the azimuth only. Recently, the trend is to enhance system performance by exploit…
Modeling and Analysis of Cellular Networks using Stochastic Geometry: A Tutorial
Hesham ElSawy, Ahmed Sultan-Salem, Mohamed-Slim Alouini +1
This paper presents a tutorial on stochastic geometry (SG) based analysis for cellular networks. This tutorial is distinguished by its depth with respect to wireless communication…
Unified Stochastic Geometry Model for MIMO Cellular Networks with Retransmissions
Laila Hesham Afify, Hesham ElSawy, Tareq Y. Al-Naffouri +1
This paper presents a unified mathematical paradigm, based on stochastic geometry, for downlink cellular networks with multiple-input-multiple-output (MIMO) base stations (BSs). Th…
Can Uplink Transmissions Survive in Full-duplex Cellular Environments?
Hesham ElSawy, Ahmad AlAmmouri, Osama Amin +1
In-band full-duplex (FD) communication is considered a potential candidate to be adopted by the fifth generation (5G) cellular networks. FD communication renders the entire spectru…
On the Performance of RF-FSO Links with and without Hybrid ARQ
Behrooz Makki, Tommy Svensson, Thomas Eriksson +1
This paper studies the performance of hybrid radio-frequency (RF) and free-space optical (FSO) links assuming perfect channel state information (CSI) at the receiver. Considering t…