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Browsing School of Arts and Sciences by Author "Hajj, Hazem"

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Browsing School of Arts and Sciences by Author "Hajj, Hazem"

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  • Cloud providers collaboration for a higher service level in cloud computing 
    Mershad, Khaleel; Kaitoua, Abdul Rahman; Artail, Hassan; Saghir, Mazen A.R.; Hajj, Hazem (IEEE, 2024-03-07)
    Cloud computing is increasingly becoming a desirable and foundational element in international enterprise computing. There are many companies which design, develop, and offer cloud technologies. However, cloud providers ...
  • A comprehensive WiMAX simulator 
    Abbas, Nadine; Hajj, Hazem; Borghol, Ahmad (IEEE, 2022-11-24)
    The most challenging issue in WiMAX network planning is to measure and enhance the Quality of Service (QoS) of WiMAX networks. In this paper, a comprehensive WiMAX simulator is proposed to evaluate the performance of the ...
  • Cost and energy aware dynamic splitting of video traffic in heterogeneous networks 
    Abbas, Nadine; Sharafeddine, Sanaa; Hajj, Hazem; Dawy, Zaher (2019-12-10)
    The vision towards 5G and beyond is to provide remarkable performance enhancements that enable the launch of new services and markets in different industry verticals. Example scenarios of those services include indoor ...
  • An energy-efficient scheme for WiMAX downlink bursts construction 
    Abbas, Nadine; Hajj, Hazem; Yassine, Ali (IEEE, 2022-11-23)
    One of the challenges in WiMAX networks is to increase resource and power efficiency by optimizing the downlink (DL) burst construction. This paper proposes an energy-efficient scheme that maximizes the use of resources ...
  • Energy-Throughput Tradeoffs in Cellular/WiFi Heterogeneous Networks with Traffic Splitting 
    Abbas, Nadine; Dawy, Zaher; Sharafeddine, Sanaa; Hajj, Hazem (IEEE, 2018-06-22)
    Heterogeneous networks are expected to play a major role towards meeting the exploding traffic demand over cellular systems. Particularly, existing WiFi hotspots will be dynamically utilized to offload the traffic of ...
  • A Framework for Multi-cloud Cooperation with Hardware Reconfiguration Support 
    Mershad, Khaleel; Kaitoua, Abdul Rahman; Artail, Hassan; Saghir, Mazen A.R.; Hajj, Hazem (IEEE, 2024-03-06)
    Cloud computing is increasingly becoming a desirable and foundational element in international enterprise computing. There are many companies which design, develop, and offer cloud technologies. However, cloud providers ...
  • Hadoop Extensions for Distributed Computing on Reconfigurable Active SSD Clusters 
    Kaitoua, Abdul Rahman; Hajj, Hazem; Saghir, Mazen A.R.; Artail, Hassan; Akkary, Haitham; Awad, Mariette; Sharafeddine, Mageda; Mershad, Khaleel (2024-03-07)
    In this article, we propose new extensions to Hadoop to enable clusters of reconfigurable active solid-state drives (RASSDs) to process streaming data from SSDs using FPGAs. We also develop an analytical model to estimate ...
  • A learning-based approach for network selection in WLAN/3G heterogeneous network 
    Abbas, Nadine; Taleb, Sireen; Hajj, Hazem; Dawy, Zaher (IEEE, 2022-11-25)
    To meet the huge traffic growth, heterogeneous networks composed of wireless local area networks (WLAN) and 3G cellular networks are used to provide higher capacity and coverage. When the two networks are available, selecting ...
  • A mathematical model to analyze the utilization of a cloud datacenter middleware 
    Mershad, Khaleel; Artail, Hassan; Saghir, Mazen; Hajj, Hazem; Awad, Mariette (2024-02-27)
    Cloud computing is the future paradigm that will dominate the visualization and processing of web data. Achieving high performance in storing and processing huge amounts of data in the cloud has been a major research concern ...
  • A Mediation Layer for Connecting Data-Intensive Applications to Reconfigurable Data Nodes 
    Jomaa, Mohamad; Mershad, Khaleel; Abbani, Noor; Sharaf-Dabbagh, Yaman; Romanous, Bashar; Artail, Hassan; Saghir, Mazen A.R.; Hajj, Hazem; Akkary, Haitham; Awad, Mariette (IEEE, 2024-03-06)
    A novel and rapidly growing area of research concerns data-intensive applications and the technical challenges that accompany it. One of those challenges is developing approaches and mechanisms that render high performance ...
  • On sensor selection in mobile devices based on energy, application accuracy, and context metrics 
    Taleb, Sireen; Abbas, Nadine; Hajj, Hazem; Dawy, Zaher (IEEE, 2022-11-25)
    Continuously collecting sensor data on mobile devices helps in capturing important contextual information related to the user location, activity, and surrounding environment. This contextual information is required by ...
  • Optimal WiMAX frame packing for minimum energy consumption 
    Abbas, Nadine; Hajj, Hazem; Yassine, Ali (IEEE, 2022-11-24)
    Minimizing energy consumption is an urgent and challenging problem. As in any communication system, high energy efficiency in WiMAX systems should be maintained by increasing resource efficiency. Thus, WiMAX resources ...
  • An optimized approach to video traffic splitting in heterogeneous wireless networks with energy and QoE consideration 
    Abbas, Nadine; Hajj, Hazem; Dawy, Zaher; Jahed, Karim; Sharafeddine, Sanaa (2018-06-06)
    Due to the exploding traffic demands with the ubiquitous anticipated spread of 5G and Internet of Things, research has been active to devise mechanisms for meeting these demands while maintaining high quality user experience. ...
  • Price-aware traffic splitting in D2D HetNets with cost-energy-QoE tradeoffs 
    Abbas, Nadine; Sharafeddine, Sanaa; Hajj, Hazem; Dawy, Zaher (2020-06-30)
    With the advances in wireless technologies, there has been tremendous increase in user demand for resource-intensive mobile Internet services. This has been coupled with the limited capabilities of mobile devices and the ...
  • A Study of the Performance of a Cloud Datacenter Server 
    Mershad, Khaleel; Artail, Hassan; Saghir, Mazen A.R.; Hajj, Hazem; Awad, Mariette (2024-02-28)
    In a previous work, we presented a system which combines active solid state drives and reconfigurable FPGAs (which we called reconfigurable active SSD nodes, or simply RASSD nodes) into a storage-compute node that can be ...
  • Traffic Offloading with Channel Allocation in Cache-Enabled Ultra-Dense Wireless Networks 
    Abbas, Nadine; Hajj, Hazem; Sharafeddine, Sanaa; Dawy, Zaher (2018-07-09)
    Traffic offloading via device-to-device communications is expected to play a major role to meet the exponential data traffic growth in wireless networks. In this work, we focus on the problem of user capacity maximization ...
  • Video features with impact on user quality of experience 
    Abbas, Nadine; Taleb, Sirine; Hajj, Hazem (IEEE, 2023-01-05)
    One of the major challenges in wireless networks is to quantify and evaluate the user quality of experience (QoE). Hence, network operators are continuously working towards identifying the factors that most affect the user ...

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