Now showing items 1656-1675 of 2432

    • On network flow maximization via multihop backhauling and UAVs: An integer programming approach 

      Almohamad A.; Hasna M.O.; Khattab T.; Haouari M. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)
      Although small cells (SC) densification approach plays a prominent role in achieving the data rate and coverage requirements in 5G networks, it poses serious challenges concerning the flexible and cost efficient backhauling ...
    • On nonlinear vibration behavior of piezo-magnetic doubly-curved nanoshells 

      Mirjavadi, Seyed Sajad; Bayani, Hassan; Khoshtinat, Navid; Forsat, Masoud; Barati, Mohammad Reza; ... more authors ( Techno-Press , 2020 , Article)
      In this paper, nonlinear vibration behaviors of multi-phase Magneto-Electro-Elastic (MEE) doubly-curved nanoshells have been studied employing Jacobi elliptic function method. The doubly-curved nanoshell has been modeled ...
    • On Optimizing the Secrecy Performance of RIS-Assisted Cooperative Networks 

      Almohamad A.; Al-Kababji A.; Tahir A.; Khattab T.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)
      Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication ...
    • On orthogonal band allocation for multiuser multiband cognitive radio networks: Stability analysis 

      El Shafie, Ahmed; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      In this work, we study the problem of band allocation of Mi buffered (i.e., with data queues capable of storing incoming traffic packets) secondary users (SUs) to Mp primary frequency bands licensed to (owned by) Mp buffered ...
    • On physical layer security of correlated multiantenna cognitive radio receivers 

      Soni B.; Patel D.K.; Kavaiya S.; Hasna , Mazen; Lopez-Benitez M. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)
      In limited space scenarios, the antennas in the multiantenna cognitive radio (CR) system are closely spaced and often experience correlation among them. In this work, the secrecy performance of correlated multiantenna CR ...
    • On quantized compressed sensing with saturated measurements via convex optimization 

      Elleuch, Ines; Abdelkefi, Fatma; Siala, Mohamed; Hamila, Ridha; Al-Dhahir, Naofal ( European Signal Processing Conference, EUSIPCO , 2016 , Conference Paper)
      In this paper, we address the problem of sparse signal recovery, from multi-bit scalar quantized compressed sensing measurements, where the saturation issue is taken into account. We propose a convex optimization approach, ...
    • On quantized compressed sensing with saturated measurements via greedy pursuit 

      Elleuch, Ines; Abdelkefi, Fatma; Siala, Mohamed; Hamila, Ridha; Al-Dhahir, Naofal ( IEEE , 2015 , Conference Paper)
      We consider the problem of signal recovery under a sparsity prior, from multi-bit quantized compressed measurements. Recently, it has been shown that allowing a small fraction of the quantized measurements to saturate, ...
    • On relay assignment in network-coded cooperative systems 

      Zhang X.; Ghrayeb A.; Hasna , Mazen ( IEEE , 2011 , Article)
      We consider in this paper relay assignment for cooperative systems with multiple two-way relay channels. The nodes corresponding to one two-way relay channel (henceforth referred to as pair) communicate with each other ...
    • On sizing the required energy of HVDC based inertia emulation for frequency control 

      Rakhshani E.; Mehrjerdi H.; Al-Emadi N.A.; Rouzbehi K. ( IEEE Computer Society , 2018 , Conference Paper)
      This paper presents a novel approach on analysis and evaluation of required energy for emulating virtual inertia of HVDC interconnected system for stabilizing the frequency deviations. Presented study is in the scheme of ...
    • On the Achievable Degrees of Freedom of a Relay Aided X-Channel 

      Abumaali D.; Badawy A.; Khattab T. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      In this paper, we investigate the effect of a relay on the Degrees of Freedom (DoF) of a single input single output (SISO) X-channel with no channel state information at transmitters (CSIT). In contrast to previous work, ...
    • On the Achievable Rates of OFDM with Common Phase Error Compensation in Phase Noise Channels 

      Stefanatos, Stelios; Foukalas, Fotis; Khattab, Tamer ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)
      This paper considers the problem of analytically assessing the maximum achievable rates (capacity) of orthogonal frequency division multiplexing (OFDM) transmissions when the receiver, for complexity reasons, only accounts ...
    • On the Achievable Secrecy Diversity of Cooperative Networks with Untrusted Relays 

      Chraiti M.; Ghrayeb A.; Assi C.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)
      Cooperative relaying is often deployed to enhance the communication reliability (i.e., diversity order) and consequently the end-to-end achievable rate. However, this raises several security concerns when the relays are ...
    • On the applicability of 2D local binary patterns for identifying electrical appliances in non-intrusive load monitoring 

      Himeur, Yassine; Alsalemi, Abdullah; Bensaali, Faycal; Amira, Abbes; Sardianos, Christos; ... more authors ( Springer , 2021 , Conference Paper)
      In recent years, the automatic identification of electrical devices through their power consumption signals finds a variety of applications in smart home monitoring and non-intrusive load monitoring (NILM). This work ...
    • On the Average Secrecy Outage Rate and Average Secrecy Outage Duration of Wiretap Channels with Rician Fading 

      Abughalwa M.; Omri A.; Hasna M.O. ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      In this paper, we study important physical layer security metrics over wiretap channels with Rician fading. We derive the average secrecy outage rate (ASOR) expression to quantify the average secrecy zero level crossing ...
    • On the capacity of cooperative diversity systems with adaptive modulation 

      Hasna , Mazen ( IEEE , 2005 , Conference Paper)
      In recent years, cooperative diversity systems have gained increased attention in the literature as a new way of combating the effect of signal fading. In this paper, we investigate the performance of these systems when ...
    • On the coexistence of a primary user with an energy harvesting secondary user: A case of cognitive cooperation 

      Shafie, Ahmed El; Khattab, Tamer; El-Keyi, Amr; Nafie, Mohamed ( John Wiley and Sons Ltd , 2016 , Article)
      In this paper, we consider a cognitive scenario where an energy harvesting secondary user shares the spectrum with a primary user. The secondary source helps the primary source in delivering its undelivered packets during ...
    • On the correlation analysis of electric field inside jet engine 

      Krishna, A; Khattab, T; Abdelaziz, A.F.; Guizani, Mohsen ( IEEE , 2014 , Conference Paper)
      A Simple channel modeling method based on correlation analysis of the electric field inside jet engine is presented. The analysis of the statistical propagation characteristics of electromagnetic field inside harsh jet ...
    • On the degrees of freedom of the cognitive broadcast channel 

      Shahmohammadi, Mohammad; Koyluoglu, O. Ozan; Khattab, Tamer M. S.; El Gamal, Hesham (2011 , Conference Paper)
      Cognitive broadcast channel, where two multiantenna transmitters communicate with their respective receivers, is considered. One of the transmitters is said to be cognitive (secondary) as it is assumed to know the messages ...
    • On the degrees of freedom region of the M x N Interference Channel 

      Khalil, Mohamed; Khattab, Tamer; El-Keyi, Amr; Nafie, Mohammed ( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)
      In this paper, the K-user MIMO interference channel is considered. The asymmetric DoF region for the channel is studied. The asymmetric DoF represent the set of all achievable DoF combinations {d1, d2,..., dK}. For the ...
    • On the delay of finite buffered multi-hop relay wireless internet of things 

      Elsamadouny A.; Hasna M.; Khattab T.; Abualsaud K.; Yaacoub E. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)
      The evolution of Internet of Things (IoT) as a new application in wireless networks mandates the utilization of wireless cooperative relaying to overcome the energy limitations of IoT devices. Multi-hop relaying is a ...