• A blockchain-based IoT networks-on-demand protocol for responsive smart city applications 

      Alkalbani, Mohamed; Hamdaoui, Bechir; Zorba, Nizar; Rayes, Ammar ( Institution of Engineering and Technology , 2019 , Conference)
      This paper proposes a distributed resource sharing protocol for enabling dynamic deployment of IoT networks on-demand in smart cities. The proposed protocol leverages Blockchain technology to: (i) enable distributed and ...
    • A General Model for Pointing Error of High Frequency Directional Antennas 

      Dabiri, Mohammad Taghi; Hasna, Mazen; Zorba, Nizar; Khattab, Tamer; Qaraqe, Khalid A. ( IEEE , 2022 , Article)
      This paper focuses on providing an analytical framework for the quantification and evaluation of the pointing error for a general case at high-frequency millimeter wave (mmWave) and terahertz (THz) communication links. For ...
    • A modified joint uplink-downlink opportunistic scheduling for Quality of Service guarantees 

      Zorba, Nizar; Yaacoub, Elias; El-Hajj, Ahmad M.; Dawy, Zaher ( IEEE , 2013 , Conference)
      Quality of Service (QoS) is a very important metric in wireless communication systems, where both Uplink (UL) and Downlink (DL) connections request strict QoS demands in terms of rate, delay, etc. for their proper operation. ...
    • A new MAC design in LTE for MIMO multiuser schemes 

      Imran, Reema; Zorba, Nizar; Yaacoub, Elias; Hassanein, Hossam S.; Verikoukis, Christos ( IEEE , 2013 , Conference)
      Long Term Evolution (LTE) supports closed-loop Multiple Input Multiple Output (MIMO) techniques, as a mechanism to improve system performance. An open topic since the appearance of MIMO is whether the feedback load, that ...
    • A New NOMA-Based Two-Way Relaying Scheme 

      Althunibat, Saud; Hassan, Heyam; Khattab, Tamer; Zorba, Nizar ( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)
      Two-Way Relaying (TWR) has been widely investigated in the literature as an efficient relaying scheme for dual-hop cooperative transmissions. In TWR, two nodes exchange data through an intermediate relay, where both nodes ...
    • A novel energy saving MIMO mechanism in LTE systems 

      Imran, Reema; Shukair, Mutaz; Zorba, Nizar; Kubbar, Osama; Verikoukis, Christos ( Institute of Electrical and Electronics Engineers Inc. , 2013 , Conference)
      Long Term Evolution (LTE) supports closed-loop MIMO techniques to improve its performance, but in order to exploit multiuser MIMO channel capabilities, the design of an efficient MAC scheme that supports Multiuser MIMO is ...
    • A QoE-Aware Joint Resource Allocation and Dynamic Pricing Algorithm for Heterogeneous Networks 

      Trakas, Panagiotis; Adelantado, Ferran; Zorba, Nizar; Verikoukis, Christos ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      The rise of third-party content providers and the introduction of numerous applications has been driving the growth of mobile data traffic in the past few years. The applications' various Quality of Service (QoS) requirements ...
    • A quality of experience-aware association algorithm for 5G heterogeneous networks 

      Trakas, Panagiotis; Adelantado, Ferran; Zorba, Nizar; Verikoukis, Christos ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      The rise of Over The Top (OTT) content providers and the introduction of numerous applications has been driving the growth of mobile data traffic in the past few years. The applications' various Quality of Service (QoS) ...
    • A Reputation-aware Mobile Crowd Sensing Scheme for Emergency Detection 

      El Khatib, Rawan F.; Zorba, Nizar; Hassanein, Hossam S. ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference)
      The unforeseen proliferation of smart devices has set in motion research efforts aimed at building Smart Cities (SCs) that improve the well-being of their citizens. One of the key technologies to achieve a SC is Mobile ...
    • A Survey on Demand Response Programs in Smart Grids: Pricing Methods and Optimization Algorithms 

      Vardakas, John S.; Zorba, Nizar; Verikoukis, Christos V. ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)
      The smart grid concept continues to evolve and various methods have been developed to enhance the energy efficiency of the electricity infrastructure. Demand Response (DR) is considered as the most cost-effective and ...
    • Adaptive Cooperative Network Coding based MAC protocol for device-to-device communication 

      Datsika, Eftychia; Antonopoulos, Angelos; Zorba, Nizar; Verikoukis, Christos ( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference)
      Device-to-Device (D2D) communication allows the direct connection of mobile devices in a cellular network. In D2D networking, cooperative communication is inherent due to the proximity of the devices that are able to ...
    • An Anchor-Based Localization in Underwater Wireless Sensor Networks for Industrial Oil Pipeline Monitoring 

      Goyal, Nitin; Nain, Mamta; Singh, Aman; Abualsaud, Khalid; Alsubhi, Khalid; ... more authors ( IEEE Canada , 2022 , Article)
      Industries need solutions that can automatically monitor oil leakage from deployed underwater pipelines and to rapidly report any damage. The location prediction of mineral reservoirs like oil, gas, or metals in deep water ...
    • An Energy Saving Strategy for LTE-A Multiantenna Systems 

      Imran, Reema; Shukair, Mutaz; Zorba, Nizar; Verikoukis, Christos ( Springer , 2015 , Article)
      Long Term Evolution - Advanced (LTE-A) supports closed-loop Multiple Input Multiple Output (MIMO) techniques to improve its performance, but in order to exploit multiuser (MU) MIMO channel capabilities, the design of an ...
    • Analysis and quality of service evaluation of a fast charging station for electric vehicles 

      Zenginis, Ioannis; Vardakas, John S.; Zorba, Nizar; Verikoukis, Christos V. ( Elsevier Ltd , 2016 , Article)
      Electrification of transportation is considered as one of the most promising ways to mitigate climate change and reduce national security risks from oil and gasoline imports. Fast charging stations that provide high quality ...
    • Blockchains for Scalable IoT Management, Access, and Accountability 

      Hamdaoui, Bechir; Rayes, Ammar; Zorba, Nizar; Song, Lingyang; Verikoukis, Christos ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      The articles in this special section focuses on blockchain for scalable Internet of Things (IoT) management, access, and accountability. The articles highlight new blockchain architectures and techniques that can be leveraged ...
    • Can dynamic pricing make femto users and service providers happy? 

      Khabazian, Mehdi; Zorba, Nizar; Hassanein, Hossam S. ( IEEE Computer Society , 2013 , Conference)
      Femtocell is a promising technology that will improve wireless resources efficiency through frequency spatial reuse however, its integration with the current cellular systems has been considered a fundamental challenge. ...
    • Case Study of Multi-Course Project-Based Learning and Online Assessment in Electrical Engineering Courses during COVID-19 Pandemic 

      Khandakar, Amith; Chowdhury, Muhammad E. H.; Khalid, Md. S.; Zorba, Nizar ( MDPI , 2022 , Article)
      Due to the COVID-19 pandemic, there was an urgent need to move to online teaching and develop innovative teaching techniques to ensure that student learning outcomes (SOs) were fulfilled. This paper tries to answer the ...
    • Connectivity Analysis of THz-based UAV-BS Considering Mobile Users 

      Hassan, Heyam; Althunibat, Saud; Khattab, Tamer; Zorba, Nizar ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference)
      With the growth of the high data rate demands and the continuous increase in the connected devices and user's equipment, the spectrum resources will not be sufficient. Terahertz (THz) spectrum band provides wide bandwidth ...
    • Cross-Network Performance Analysis of Network Coding Aided Cooperative Outband D2D Communications 

      Datsika, Eftychia; Antonopoulos, Angelos; Zorba, Nizar; Verikoukis, Christos ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)
      In long term evolution advanced (LTE-A) networks, the mobile devices can concurrently participate in cooperative outband device-to-device (D2D) data exchange by virtue of user- or network-related parameters (e.g., interest ...
    • Crowd management 

      Hassanein, Hossam; Zorba, Nizar; Han, Shuai; Kanhere, Salil S.; Shukair, Mutaz ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)
      The articles in this special section focus on crowd management in areas that are increasingly experiencing growths in populations. In its 2018 Revision of the World Urbanization Prospects, the United Nations projects that ...