13 citations · 19 across the 8 of their papers we have counts for
12 papers
Robust Trajectory and Resource Optimization for Communication-assisted UAV SAR Sensing
Mohamed-Amine Lahmeri, Walid R. Ghanem, Christina Bonfert +1
In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) sens…
Impact of Channel Models on Performance Characterization of RIS-Assisted Wireless Systems
Vahid Jamali, Walid Ghanem, Robert Schober +1
The performance characterization of communication systems assisted by large reconfigurable intelligent surfaces (RISs) significantly depends on the adopted models for the underlyin…
Codebook Based Two-Time Scale Resource Allocation Design for IRS-Assisted eMBB-URLLC Systems
Walid R. Ghanem, Vahid Jamali, Malte Schellmann +3
This paper investigates the resource allocation algorithm design for wireless systems assisted by large intelligent reflecting surfaces (IRSs) with coexisting enhanced mobile broad…
Trajectory and Resource Optimization for UAV Synthetic Aperture Radar
Mohamed-Amine Lahmeri, Walid Ghanem, Christina Knill +1
In this paper, we study the trajectory and resource optimization for lightweight rotary-wing unmanned aerial vehicles (UAVs) equipped with a synthetic aperture radar (SAR) system.…
Optimization-based Phase-shift Codebook Design for Large IRSs
Walid R. Ghanem, Vahid Jamali, Malte Schellmann +3
In this paper, we focus on large intelligent reflecting surfaces (IRSs) and propose a new codebook construction method to obtain a set of pre-designed phase-shift configurations fo…
Joint Beamforming and Phase Shift Optimization for Multicell IRS-aided OFDMA-URLLC Systems
Walid R. Ghanem, Vahid Jamali, Robert Schober
This paper investigates the resource allocation algorithm design for intelligent reflecting surface (IRS) aided multiple-input single-output (MISO) orthogonal frequency division mu…
Optimal Resource Allocation for Multi-user OFDMA-URLLC MEC Systems
Walid R. Ghanem, Vahid Jamali, Robert Schober
In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) i…
Joint Uplink-Downlink Resource Allocation for OFDMA-URLLC MEC Systems
Walid R. Ghanem, Vahid Jamali, Qiuyu Zhang +1
In this paper, we study resource allocation algorithm design for multiuser orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in…
Resource Allocation for Secure Multi-User Downlink MISO-URLLC Systems
Walid R. Ghanem, Vahid Jamali, Robert Schober
In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance physical layer security (PL…
Resource Allocation for Multi-User Downlink MISO OFDMA-URLLC Systems
Walid R. Ghanem, Vahid Jamali, Yan Sun +1
This paper considers the resource allocation algorithm design for downlink multiple-input single-output (MISO) orthogonal frequency division multiple access (OFDMA) ultra-reliable…
Particle Swarm Optimization Approaches for Primary User Emulation Attack Detection and Localization in Cognitive Radio Networks
Walid R. Ghanem, Reem E. Mohamed, Mona Shokair +1
The primary user emulation attack (PUEA) is one of the common threats in cognitive radio networks (CRNs), in this problem, an attacker mimics the Primary User (PU) signal to deceiv…
Resource Allocation for Multi-User Downlink URLLC-OFDMA Systems
Walid R. Ghanem, Vahid Jamali, Yan Sun +1
In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable ultra-reliable low latency commu…