Now showing items 1951-1970 of 2481

    • Principles of time-frequency feature extraction for change detection in non-stationary signals: Applications to newborn EEG abnormality detection 

      Boashash B.; Azemi G.; Ali Khan N. ( Elsevier Ltd , 2015 , Article)
      This paper considers the general problem of detecting change in non-stationary signals using features observed in the time-frequency (t,f) domain, obtained using a class of quadratic time-frequency distributions (QTFDs). ...
    • Prior zero forcing for cognitive relaying 

      Song S.H.; Hasna , Mazen; Letaief K.B. ( IEEE , 2013 , Article)
      Relaying primary signals by cognitive base-stations (CBSs) can help the primary system and thus win CBSs a higher chance to transmit their own signals. For this purpose, conventional zero-forcing (CZF) beamforming is a ...
    • Priority-based scheduling for limited energy cognitive relaying 

      Elsaadany M.; Khattab T.; Hasna , Mazen; Abdallah M.; Khairy M. ( IEEE , 2010 , Conference Paper)
      We study the problem of cognitive relaying with limited-energy constraint in opportunistic spectrum access cognitive networks. Under this network setting, the cognitive user increases the spectrum availability for its own ...
    • Priority-based zero-forcing in spectrum sharing cognitive systems 

      Hamdi K.; Hasna , Mazen; Ghrayeb A.; Letaief K.B. ( IEEE , 2013 , Article)
      We consider a spectrum sharing scenario between cognitive radio (CR) users and a licensed primary user (PU), in which the PU is not able to successfully transmit data to its destined receiver. The cognitive base station ...
    • Proactive power allocation and caching node selection for regular service guarantees 

      Abdellatif B.; Tadrous J.; Khafagy M.G.; Khattab T. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      This paper studies the potential of proactive resource allocation to prolong the communication sessions in networks with limited energy budgets and stringent quality-of-service (QoS) requirement, particularly a regular ...
    • Proactive spectrum sharing incentive for physical layer security enhancement using outdated CSI 

      Tourki, Kamel; Hasna, Mazen O. ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)
      We investigate the spectrum sharing possibility as an incentive to enhancing the physical layer security. The concept behind this is that a legitimate source-destination pair, communicating in the presence of a passive ...
    • Probabilistic band-splitting for a buffered cooperative cognitive terminal 

      El Shafie, Ahmed; Sultan, Ahmed; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)
      In this paper, we propose a cognitive protocol that involves cooperation between the primary and secondary users. In addition to its own queue, the secondary user (SU) has a queue to store, and then relay, the undelivered ...
    • Production of sensitive gas sensors using CuO/SnO2 nanoparticles 

      Ayesh A.I.; Alyafei A.A.; Anjum R.S.; Mohamed R.M.; Abuharb M.B.; ... more authors ( Springer Verlag , 2019 , Article)
      Metal oxide nanoparticles, such as CuO and SnO2, are outstanding systems for H2S gas sensing in air. In this work, those nanoparticles were deposited with different mixing percentages on substrates to form percolating ...
    • Production of solar radiation bankable datasets from high-resolution solar irradiance derived with dynamical downscaling Numerical Weather prediction model 

      Charabi, Yassine; Gastli, Adel; Al-Yahyai, Sultan ( Elsevier Ltd , 2016 , Article)
      A bankable solar radiation database is required for the financial viability of solar energy project. Accurate estimation of solar energy resources in a country is very important for proper siting, sizing and life cycle ...
    • Prognosis and Health Monitoring of Nonlinear Systems Using a Hybrid Scheme Through Integration of PFs and Neural Networks 

      Daroogheh, Najmeh; Baniamerian, Amir; Meskin, Nader; Khorasani, Khashayar ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)
      In this paper, a novel hybrid architecture is proposed for developing a prognosis and health monitoring methodology for nonlinear systems through integration of model-based and computationally intelligent-based techniques. ...
    • Prognostic Model of ICU Admission Risk in Patients with COVID-19 Infection Using Machine Learning 

      Islam, Khandaker R.; Kumar, Jaya; Tan, Toh L.; Reaz, Mamun B.; Rahman, Tawsifur; ... more authors ( MDPI , 2022 , Article)
      With the onset of the COVID-19 pandemic, the number of critically sick patients in intensive care units (ICUs) has increased worldwide, putting a burden on ICUs. Early prediction of ICU requirement is crucial for efficient ...
    • Progressive Operational Perceptrons 

      Kiranyaz, Mustafa Serkan; Ince T.; Iosifidis A.; Gabbouj M. ( Elsevier B.V. , 2017 , Article)
      There are well-known limitations and drawbacks on the performance and robustness of the feed-forward, fully-connected Artificial Neural Networks (ANNs), or the so-called Multi-Layer Perceptrons (MLPs). In this study we ...
    • Progressive Operational Perceptrons with Memory 

      Tran D.T.; Kiranyaz, Mustafa Serkan; Gabbouj M.; Iosifidis A. ( Elsevier B.V. , 2020 , Article)
      Generalized Operational Perceptron (GOP) was proposed to generalize the linear neuron model used in the traditional Multilayer Perceptron (MLP) by mimicking the synaptic connections of biological neurons showing nonlinear ...
    • 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) ...