Now showing items 1951-1970 of 2464

    • Prospects and challenges of free space optical communications 

      Touati A.; Touati F.; Abdaoui A.; Khandakar A.; Bouallegue A. ( Springer Verlag , 2018 , Conference Paper)
      Free space optical (FSO) transmission is a technology which uses a narrow laser beam to transmit the signal from the source to the destination through the free space. Although it has various advantages, a laser beam ...
    • Protection of Transmission Line in Presence of Parallel Capacitance Elements 

      Abdalla, Abdelrahman S.; Aljabery, Ahmad A.; Mehrjerdi, Hasan ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)
      Recently, Flexible AC Transmission System (FACTS) devices emerged to the electrical transmission line power systems and their importance increased significantly. FACTS are mainly used for enhancing power transferability ...
    • Protocol design and stability analysis of cooperative cognitive radio users 

      El Shafie, Ahmed; Khattab, Tamer; Poor, H. Vincent ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)
      A single cognitive radio transmitter-receiver pair shares the spectrum with two primary users communicating with their respective receivers. Each primary user has a local traffic queue, whereas the cognitive user has three ...
    • PTNet: A parameterizable data center network 

      Baccour, Emna; Foufou, Sebti; Hamila, Ridha ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)
      This paper presents PTNet, a new data center topology that is specifically designed to offer a high and parameterized scalability with just one layer architecture. Furthermore, despite its high scalability, PTNet grants a ...
    • PTNet: An efficient and green data center network 

      Baccour, E.; Foufou, S.; Hamila, R.; Tari, Z.; Zomaya, A.Y. ( Academic Press Inc. , 2017 , Article)
      In recent years, data centers have witnessed an exponential growth for hosting hundreds of thousands of servers as well as to accommodating a very large demand for resources. To fulfill the required level of demand, some ...
    • Pulse Width Modulation of Power Electronic DC-AC Converter 

      Abu-Rub, Haitham; Iqbal, Atif; Guziński, Jarosław ( John Wiley & Sons, Ltd , 2012 , Book chapter)
    • Pulse width modulation technique for a three-to-five phase matrix converter with reduced commutations 

      Sayed, Mahmoud A.; Iqbal, Atif ( Institution of Engineering and Technology , 2016 , Article)
      Variable-speed multiphase drive systems have become an increasingly important topics compared with conventional three-phase one due to their distinct advantages. This study presents a new pulse width modulation (PWM) ...
    • Purpose of the book and editorial perspectives 

      Abdulwahed M.; Hasna , Mazen; Froyd J.E. ( Springer International Publishing , 2015 , Book chapter)
      Engineering and engineering education play an essential role in the Middle East. Global debates regarding roles of engineering and required transformations in engineering education have been extensive during the past few ...
    • PV power prediction in Qatar based on machine learning approach 

      Benhmed K.; Touati F.; Al-Hitmi M.; Chowdhury N.A.; Gonzales A.S.P.; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      PV output power is highly sensitive to many environmental parameters, hence, power available from plants based on this technology will be affected, especially in harsh environments such that of Gulf countries. In order to ...
    • PV/Battery Grid Integration Using a Modular Multilevel Isolated SEPIC-Based Converter 

      Nasr Esfahani, Fatemeh; Darwish, Ahmed; Massoud, Ahmed ( MDPI , 2022 , Article)
      Photovoltaic (PV) plants can be built rapidly when compared with other conventional electrical plants; hence, they are a competent candidate for supplying the electricity grid. The output power of the PV modules can be ...
    • PWM scheme for dual matrix converters based five-phase open-end winding drive 

      Iqbal, Atif; Alammari, Rashid; Abu-Rub, Haitham; Ahmed, Sk. Moin ( IEEE , 2013 , Conference Paper)
      The paper present simple carrier-based pulse width modulation scheme for three to five-phase matrix converters feeding a five-phase machine from both ends. The two matrix converters feeding a five-phase induction machine ...
    • PyGOP: A Python library for Generalized Operational Perceptron algorithms 

      Tran D.T.; Kiranyaz S.; Gabbouj M.; Iosifidis A. ( Elsevier B.V. , 2019 , Article)
      PyGOP provides a reference implementation of existing algorithms using Generalized Operational Perceptron (GOP), a recently proposed artificial neuron model. The implementation adopts a user-friendly interface while allowing ...
    • Q-Learning Based Closed-Loop Control of Anesthesia Administration by Accounting for Hemodynamic Parameter Variations 

      Meskin, Nader; Padmanabhan, Regina; Haddad, Wassim ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      Critically ill patients in the intensive care units (ICUs) are often in acutely disturbed state of mind characterized by restlessness, illusions, and nervousness. Such patients, for instance, those who are mechanically ...
    • Qatar Green Schools Initiative: Energy Management System with Cost-Efficient and Lightweight Networked IoT 

      Hijawi, Ula; Gastli, Adel; Hamila, Ridha; Ellabban, Omar; Unal, Devrim ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)
      With the growing need of developing real-time energy management and automation systems, building energy efficiency is of large focus in recent research. In particular, school buildings require special attention to occupants' ...
    • QoE-oriented resource efficiency for 5G two-tier cellular networks: A femtocaching framework 

      Vo, Nguyen Son; Duong, Trung Q.; Guizani, Mohsen ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)
      Video streaming applications and services (VASs) consume an enormous amount of scarce resources in mobile devices and cellular wireless networks due to the demand for high data rates of video streaming. The limited resource ...
    • "Quad-band flexible magnesium zinc ferrite (MgZnFe2O4)-based double negative metamaterial for microwave applications" 

      Rahman, Md Atiqur; Islam, Mohammad Tariqul; Singh, Mandeep Singh Jit; Chowdhury, Muhammad EH.; Samsuzzaman, Md ( Elsevier , 2021 , Article)
      This article presents vertically coupled, rectangular complementary split-ring resonator-shaped quad-band double-negative (DNG) metamaterial unit cells, that is, having both negative permittivity and permeability, which ...
    • Quadruple Boost Multilevel Inverter (QB-MLI) Topology with Reduced Switch Count 

      Iqbal, Atif; Siddique, Marif Daula; Reddy, B. Prathap; Maroti, Pandav Kiran ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)
      Multilevel inverter concepts (MLIs) with switched capacitor (SC) are emerging due to their scope in sustainable energy systems as well as high-voltage applications. In the SC technique, required voltage levels can be ...
    • Quantification of carcinogenic odor of formaldehyde with electronic nose technologyd 

      Hassan, Muhammad; Umar, Muhammad; Bermak, Amine; Ali, Amine Ait Si; Amira, Abbes ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)
      Based on recent experimental discoveries about a link between the length of exposure to formaldehyde and cancers of the lymphatic and hematopoietic systems, we present a low-cost and compact solution for monitoring ...
    • Quantification of pv power and economic losses due to soiling in Qatar 

      Zeedan A.; Barakeh A.; Al-Fakhroo K.; Touati, Farid; Gonzales A.S.P.; ... more authors ( MDPI , 2021 , Article)
      Soiling losses of photovoltaic (PV) panels due to dust lead to a significant decrease in solar energy yield and result in economic losses; this hence poses critical challenges to the viability of PV in smart grid systems. ...
    • Quantification of the growth suppression of HER2+ breast cancer colonies under the effect of trastuzumab and PD-1/PD-L1 inhibitor. 

      Padmanabhan, Regina; Kheraldine, Hadeel; Gupta, Ishita; Meskin, Nader; Hamad, Anas; ... more authors ( Frontiers Media , 2022 , Article)
      Immune checkpoint blockade (ICB)-based therapy is revolutionizing cancer treatment by fostering successful immune surveillance and effector cell responses against various types of cancers. However, patients with HER2+ ...