Now showing items 221-240 of 2811

    • An overview of 2D metal sulfides and carbides as Na host materials for Na-ion batteries 

      Javed, Rehman; Lin, Shiru; Butt, Mehwish K.; Fan, Xiaofeng; Khattab, Tamer; ... more authors ( Elsevier , 2023 , Article Review)
      Both sodium-ion batteries (SIBs) and lithium-ion batteries (LIBs) operate on a similar principle and are striking for energy storage purposes. Although some electrode materials adapt favorably to LIBs, they are not pertinent ...
    • Airborne Sounding Radar for Desert Subsurface Exploration of Aquifers: Desert-SEA: Mission concept study [Space Agencies] 

      Heggy, Essam; Moghaddam, Mahta; Palmer, Elizabeth M.; Brown, William M.; Blanton, J. Lee; ... more authors ( IEEE , 2024 , Article)
      Shallow aquifers are the largest freshwater bodies in the North African Sahara and the Arabian Peninsula. Their groundwater dynamics and response to climatic variability and anthropogenic discharge remain largely unquantified ...
    • CubeSat Communication Subsystems: A Review of On-Board Transceiver Architectures, Protocols, and Performance 

      Zeedan, Amr; Khattab, Tamer ( IEEE , 2023 , Article)
      Small satellite communications recently entered a period of massive interest driven by the uprising commercial and civil space applications and motivated by various technological advances. Miniaturized satellites, known ...
    • Rate Control for RIS-Empowered Multi-Cell Dual-Connectivity HetNets: A Distributed Multi-Task DRL Approach 

      Alwarafy, Abdulmalik; Abdallah, Mohamed; Al-Dhahir, Naofal; Khattab, Tamer; Hamdi, Mounir ( IEEE , 2024 , Article)
      Heterogeneous wireless networks (HetNets), where networks are deployed with ultra-dense small cells (SCs), is one of the main enabling technologies for future wireless networks. In such networks, signals are vulnerable to ...
    • Opportunistic Throughput Optimization in Energy Harvesting Dynamic Spectrum Sharing Wireless Networks 

      Taherpour, Amirhossein; Taherpour, Abbas; Khattab, Tamer; Abdallah, Mohamed ( IEEE , 2024 , Article)
      We investigate opportunistic transmissions in a time-slotted wireless network, emphasizing constraints arising from finite durations allocated to various network operations and the availability of energy for these operations. ...
    • Optimized Load-Scheduling Algorithm for CubeSat's Electric Power System Management Considering Communication Link 

      Hussein, Bayan; Massoud, Ahmed M.; Khattab, Tamer ( IEEE , 2023 , Article)
      CubeSats have been gaining significant interest as a cost-effective solution that can be built with low power requirements for different mission types. The most critical subsystem in CubeSats is the electrical power subsystem ...
    • Refine and Identify: An Accelerated Iterative Algorithm for Securing Federated Learning 

      Gouissem, A.; Chkirbene, Z.; Khattab, T.; Mabrok, M.; Abdallah, M.; ... more authors ( IEEE , 2024 , Conference)
      The identification of malicious users within a large set of participants poses a significant challenge in the domains of cybersecurity, data integrity, user management, and particularly within federated learning (FL) ...
    • On Localization of Sources of Hazards Using Search Agents 

      Abughanam, Nada; Khattab, Tamer; Mohamed, Amr ( IEEE , 2023 , Conference)
      Localization of sources of hazardous phenomena such as gas leakages in air and oil spells in seawater is of high importance for environmental and civil protection. In this paper, we study variations of bio-inspired search ...
    • EXACT AND HEURISTIC APPROACHES FOR MAXIMIZING FLOWS IN UAV-ENABLED WIRELESS CELLULAR NETWORKS WITH MULTI-HOP BACKHAULS 

      Mhiri, Mariem; Msakni, Mohamed Kais; Hasna, Mazen O.; Khattab, Tamer; Haouari, Mohamed ( EDP Sciences , 2024 , Article)
      This paper investigates the problem of data routing in backhaul networks using Unmanned Aerial Vehicles (UAVs) to relay data from Small Cells (SCs) to the core network. The objective is to maximize the total fulfilled ...
    • Satellite 

      Kota, Sastri; Giambene, Giovanni; Abdelsadek, Mohammed; Alouini, Mohamed-Slim; Babu, Sarath; ... more authors ( IEEE , 2022 , Conference)
      The fifth generation (5G) Wireless Communication systems development has brought out a paradigm shift using advanced technologies e.g., softwarization, virtualization, Massive MIMO, ultra-densification and introduction of ...
    • Dynamic Caching for Files With Rapidly-Varying Features and Content 

      Amir, Mohamed; Bedeer, Ebrahim; Khattab, Tamer; Ngatched, Telex M. N. ( IEEE , 2022 , Article)
      Proactive caching shows great potential to minimize peak download rates by caching popular data, in advance, at the edge. Fast-changing file features, such as fast-changing file popularities and fast-changing file contents ...
    • Modeling of electromagnetic propagation inside jet engine environment using statistical electromagnetic approach 

      Krishna, A.; Abdelaziz, A.F.; Khattab, T. ( Nature Research , 2024 , Article)
      In this paper, the distribution of the electromagnetic field inside a complex jet engine environment is analyzed using statistical electromagnetics. The jet engine environment is an extremely complex geometry and exhibits ...
    • Multi-Task DRL for Rate Control in RIS-Assisted Multi-Cell Dual-Connectivity HetNets 

      Alwarafy, Abdulmalik; Abdallah, Mohamed; Al-Dhahir, Naofal; Khattab, Tamer; Hamdi, Mounir ( IEEE , 2022 , Conference)
      Reconfigurable Intelligent Surface (RIS) has recently emerged as an enabling technology to enhance reliability and overcome blockage in future heterogeneous wireless networks (HetNets). Adjusting amplitudes and phases of ...
    • Towards Contactless Remote Health Monitoring using Ambient RF Sensing 

      Ahmed, Mayar; Hassan, Heyam; Eldeeb, Aisha; Khattab, Tamer ( IEEE , 2023 , Conference)
      In this paper, a passive (bi-static) radar-based health monitoring system called, HBR-Radio, is introduced. HBR-Radio utilizes ambient radio frequency disturbance sensing to achieve remote health monitoring. HBR-Radio is ...
    • Low-Complexity Coding, Modulation and Pulse Shaping for SkyCubesNet CubeSat Transceivers 

      Zeedan, Amr; Khattab, Tamer ( IEEE , 2023 , Conference)
      CubeSats present a promising opportunity to meet the rapidly increasing demand on high-speed connectivity. The SkyCubesNet project aims to establish a CubeSat constellation over Qatar and Turkey that provides high-speed ...
    • Federating Learning Attacks: Maximizing Damage while Evading Detection 

      Gouissem, A.; Khattab, T.; Abdalla,h M.; Mohamed, A. ( IEEE , 2023 , Conference)
      Despite its potential benefits, Federated learning (FL) is vulnerable to various types of attacks that can compromise the accuracy and security of the trained model. While several defense mechanisms have been proposed to ...
    • Autonomous SkyCube Testbench using UAV-Assisted Ka-Band OFDM Transceiver 

      Tariq, Hasan; Alsageer, Mohammed; Khattab, Tamer; Touati, Farid ( IEEE , 2023 , Conference)
      In the CubeSATs ecosystem, flight-launching and resilient communication are two major challenges for Low Earth Orbit (LEO), Near Earth Orbit (NEO), and Medium Earth Orbit (MEO) satellites. Dynamic beamforming, satellite ...
    • Cost-effective design of iot-based smart household distribution system 

      Ahmed, Musse M.; Qays, Md O.; Abu-Siada, Ahmed; Muyeen, S. M.; Hossain, Md L. ( MDPI , 2021 , Article)
      The Internet of Things (IoT) plays an indispensable role in present-day household electricity management. Nevertheless, practical development of cost-effective intelligent condition monitoring, protection, and control ...
    • Active Power Filtering Solution for Improving Power Quality in Cold Ironed Electric Ships 

      Rahman, Syed; Cervantes, Roberto; Khan, Irfan A.; Iqbal, Atif; Ayob, Shahrin ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)
      Climate change is always a concern in the shipping sector, and there is a constant effort in the international shipping community to reduce greenhouse gases (GHG) emissions. The public transportation and commercial vehicle ...
    • Priority-Queue based Dynamic Scaling for Efficient Resource Allocation in Fog Computing 

      Bhushan, Saksham; Mat, Maode ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)
      In this emerging world of connected devices, the need for more computing devices with a focus on the delay-sensitive application is critical. In this paper, we propose a priority-queue based Fog computing architecture that ...