السجلات المعروضة 361 -- 380 من 8477

    • Time Pressure's Impact on Taxi Drivers' Driving Speed: A Driving Simulator Study 

      Snober, Husam; Al-malki, Abdulla; Elias, Mohammed; Saqallah, Mohammed; Badran, Moath; ... more authors ( Elsevier , 2024 , Conference Paper)
      The rapid global expansion of the taxi industry has brought significant safety concerns regarding taxi trips, particularly related to the frequency of taxi crashes and their potential impact on road safety. To address this ...
    • Building resilience in the infant formula milk supply chain 

      Al-Khatib, Maryam; Haji, Mona; Haouari, Mohamed; Kharbeche, Mohamed ( Elsevier , 2024 , Article)
      In recent years, Infant Formula Milk (IFM), a vital source of nutrition for infants lacking breast milk in their first two years, has been plagued by diverse and severe global supply chain disruptions. These challenges ...
    • Enhancing the learning-to-drive process for autistic learners in Qatar 

      Mamo, Wondwesen Girma; Alhajyaseen, Wael K.M.; Dirix, Hélène; Brijs, Kris; Brijs, Tom; ... more authors ( Elsevier , 2024 , Article)
      Obtaining a driver's license can be a stressful task for autistic drivers because of autism related characteristics. Due to the absence of an autism-tailored driving training program in Qatar, instructors may lack the ...
    • Environmental impacts of COVID-19 responses on passenger vehicle transport scenarios: A life cycle approach 

      Muley, Deepti; Singh, Bhawna ( Elsevier , 2024 , Article)
      COVID-19 has disrupted human life considerably since the beginning of 2020. The transport sector is one of the most affected sector due to restrictions imposed to curb COVID-19 pandemic. This paper evaluates the environmental ...
    • 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 Paper)
      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 ...
    • Satellite 

      Kota, Sastri; Giambene, Giovanni; Abdelsadek, Mohammed; Alouini, Mohamed-Slim; Babu, Sarath; ... more authors ( IEEE , 2022 , Conference Paper)
      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 ...
    • 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. ...
    • 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 Paper)
      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) ...
    • Satellite 

      Kota, Sastri; Giambene, Giovanni; Abdelsadek, Mohammed; Alouini, Mohamed-Slim; Amay, Marc; ... more authors ( IEEE , 2023 , Conference Paper)
      The fifth generation (5G) wireless communication systems development has brought about a paradigm shift using advanced technologies; including softwarization, virtualization, massive MIMO, and ultradensification, in addition ...
    • 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 ...
    • 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 ...
    • Towards Contactless Remote Health Monitoring using Ambient RF Sensing 

      Ahmed, Mayar; Hassan, Heyam; Eldeeb, Aisha; Khattab, Tamer ( IEEE , 2023 , Conference Paper)
      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 Paper)
      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 Paper)
      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 Paper)
      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 ...
    • On Localization of Sources of Hazards Using Search Agents 

      Abughanam, Nada; Khattab, Tamer; Mohamed, Amr ( IEEE , 2023 , Conference Paper)
      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 ...
    • 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 ...