Search Results - "Ghanem, Walid R."

Robust Trajectory and Resource Optimization for Communication-Assisted UAV SAR Sensing by Lahmeri, Mohamed-Amine, Ghanem, Walid R., Bonfert, Christina, Schober, Robert

“…In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic…”
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Optimal Resource Allocation for Multi-User OFDMA-URLLC MEC Systems by Ghanem, Walid R., Jamali, Vahid, Schober, Robert

“…In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency…”
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Resource Allocation for Multi-User Downlink MISO OFDMA-URLLC Systems by Ghanem, Walid R., Jamali, Vahid, Sun, Yan, Schober, Robert

“…This article considers the resource allocation algorithm design for downlink multiple-input single-output (MISO) orthogonal frequency division multiple access…”
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Optimization-based Phase-shift Codebook Design for Large IRSs by Ghanem, Walid R., Jamali, Vahid, Schellmann, Malte, Cao, Hanwen, Eichinger, Joseph, Schober, Robert

“…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…”
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Energy efficient collaborative proactive routing protocol for Wireless Sensor Network by Mohamed, Reem E., Ghanem, Walid R., Khalil, Abeer T., Elhoseny, Mohamed, Sajjad, Muhammad, Mohamed, Mohamed A.

“…A Wireless Sensor Network (WSN) is a group of tiny power-constrained nodes that cover a vast region of interest (ROI), sense and communicate it to the Base…”
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Resource Allocation for Secure Multi-User Downlink MISO-URLLC Systems by Ghanem, Walid R., Jamali, Vahid, Schober, Robert

“…In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance…”
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Active IRS Design for RSMA-based Downlink URLLC Transmission by Darabi, Mostafa, Ghanem, Walid R., Jamali, Vahid, Lampe, Lutz, Schober, Robert

“…Rate-splitting multiple access (RSMA) has been proposed as a flexible multiple access scheme for improving interference management in sixth-generation (6G)…”
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Joint Uplink-Downlink Resource Allocation for OFDMA-URLLC MEC Systems by Ghanem, Walid R., Jamali, Vahid, Zhang, Qiuyu, Schober, Robert

“…In this paper, we study resource allocation algorithm design for multiuser orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency…”
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Joint Beamforming and Phase Shift Optimization for Multicell IRS-aided OFDMA-URLLC Systems by Ghanem, Walid R., Jamali, Vahid, Schober, Robert

“…This paper investigates the resource allocation algorithm design for intelligent reflecting surface (IRS) aided multiple-input single-output (MISO) orthogonal…”
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An improved primary user emulation attack detection in cognitive radio networks based on firefly optimization algorithm by Ghanem, Walid R., Shokair, Mona, Desouky, Moawad I.

“…Cognitive Radio Network (CRN) has been developed to solve the spectrum scarcity problem. In this network, unlicensed users share the spectrum of primary users…”
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Resource Allocation for Multi-User Downlink URLLC-OFDMA Systems by Ghanem, Walid R., Jamali, Vahid, Sun, Yan, Schober, Robert

“…In this paper, we study resource allocation for downlink orthogonal frequency division multiple access (OFDMA) systems with the objective to enable…”
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Robust Trajectory and Resource Optimization for Communication-assisted UAV SAR Sensing by Lahmeri, Mohamed-Amine, Ghanem, Walid R, Bonfert, Christina, Schober, Robert

“…In this paper, we investigate joint 3-dimensional (3D) trajectory planning and resource allocation for rotary-wing unmanned aerial vehicle (UAV) synthetic…”
Get full text

Joint Beamforming and Phase Shift Optimization for Multicell IRS-aided OFDMA-URLLC Systems by Ghanem, Walid R, Jamali, Vahid, Schober, Robert

“…This paper investigates the resource allocation algorithm design for intelligent reflecting surface (IRS) aided multiple-input single-output (MISO) orthogonal…”
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Optimal Resource Allocation for Multi-user OFDMA-URLLC MEC Systems by Ghanem, Walid R, Jamali, Vahid, Schober, Robert

“…In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency…”
Get full text

Proposed particle swarm optimization approaches for detection and localization of the primary user emulation attack in cognitive radio networks by Ghanem, Walid R., Essam, Reem, Dessouky, Moawad

“…The primary user emulation attack (puea) is considered to be one of the common threats in cognitive radio networks (crns). in this problem, an attacker…”
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Resource Allocation for Secure Multi-User Downlink MISO-URLLC Systems by Ghanem, Walid R, Jamali, Vahid, Schober, Robert

“…In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance…”
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Codebook Based Two-Time Scale Resource Allocation Design for IRS-Assisted eMBB-URLLC Systems by Ghanem, Walid R., Jamali, Vahid, Schellmann, Malte, Cao, Hanwen, Eichinger, Joseph, Schober, Robert

“…This paper investigates the resource allocation algorithm design for wireless systems assisted by large intelligent reflecting surfaces (IRSs) with coexisting…”
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Codebook Based Two-Time Scale Resource Allocation Design for IRS-Assisted eMBB-URLLC Systems by Ghanem, Walid R, Jamali, Vahid, Schellmann, Malte, Cao, Hanwen, Eichinger, Joseph, Schober, Robert

“…This paper investigates the resource allocation algorithm design for wireless systems assisted by large intelligent reflecting surfaces (IRSs) with coexisting…”
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Optimization-based Phase-shift Codebook Design for Large IRSs by Ghanem, Walid R, Jamali, Vahid, Schellmann, Malte, Cao, Hanwen, Eichinger, Joseph, Schober, Robert

“…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…”
Get full text

Joint Uplink-Downlink Resource Allocation for OFDMA-URLLC MEC Systems by Ghanem, Walid R, Jamali, Vahid, Zhang, Qiuyu, Schober, Robert

“…In this paper, we study resource allocation algorithm design for multiuser orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency…”
Get full text