Now showing items 1261-1280 of 2643

    • Full-Duplex Jamming and Interception Analysis of UAV-Based Intrusion Links 

      Abughalwa M.; Samara L.; Hasna , Mazen; Hamila R. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      This letter addresses the evaluation of the performance of a full-duplex (FD) jammer and intercepting node, where the FD node attempts to disrupt the communication link of an intruding unmanned aerial vehicle (UAV). The ...
    • Secrecy outage analysis over random beamforming transmission with user scheduling: Collusion vs. exclusion 

      Bao T.; Yang H.-C.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this letter, we study the interacting effects of the exclusion zone and eavesdropper colluding strategy on the secrecy performance of multiple-antenna transmission system. In particular, a base station (BS) applies ...
    • Amount of Secrecy Loss: A Novel Metric for Physical Layer Security Analysis 

      Li S.; Yang L.; Hasna , Mazen; Alouini M.-S.; Zhang J. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this letter, we present a novel and important performance metric for analyzing and evaluating the physical layer security of wireless communication systems in the presence of eavesdropping users. Specifically, we introduce ...
    • A downlink index-modulation based nonorthogonal multiple access scheme 

      Almohamad A.; Althunibat S.; Hasna , Mazen; Qaraqe K. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)
      Massive connectivity and spectral efficiency are among the main defining terms of the future communications era. Therefore, revolutionary technologies are required to keep up with the connectivity and spectrum demands. ...
    • On the Error Performance of Non-orthogonal Multiple Access Systems 

      Almohamad A.; Althunibat S.; Hasna , Mazen; Qaraqe K. ( IEEE Computer Society , 2020 , Conference Paper)
      Unlike orthogonal multiple access schemes, non-orthogonal (NOMA) ones have arisen as an appealing solution to meet the requirements of the upcoming era of massive connectivity. In NOMA schemes, users are allowed to ...
    • 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 ...
    • A Novel Downlink IM-NOMA Scheme 

      Almohamad A.; Hasna , Mazen; Althunibat S.; Qaraqe K. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)
      In the next generations of communication systems, resources' scarcity devolves to a more critical point as a consequence of the expected massive number of users to be served. Furthermore, the users' contradicting requirements ...
    • Performance Analysis of Index Modulation Based Multiple Access under Imperfect Channel Estimation 

      Almohamad A.; Althunibat S.; Qaraqe M.; Mesleh R.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)
      Future generations of wireless communication systems are expected to serve a large number of users with different quality of service requirements. Given the limited spectrum resources, the current multiple access schemes ...
    • Low Complexity Constellation Rotation-based SIC Detection for IM-NOMA Schemes 

      Almohamad A.; Hasna , Mazen; Althunibat S.; Ozyurt S.; Qaraqe K. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)
      With the expected explosive growth in the user density in wireless networks, recent works have investigated the integration of index modulation (IM) with multiple access schemes, namely the non-orthogonal multiple access ...
    • On the Performance of RIS-Assisted Dual-Hop UAV Communication Systems 

      Yang L.; Meng F.; Zhang J.; Hasna , Mazen; Renzo M.D. ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this paper, to further improve the coverage and performance of unmanned aerial vehicle (UAV) communication systems, we propose a reconfigurable intelligent surface (RIS)-assisted UAV scheme where an RIS installed on a ...
    • Secrecy Performance Analysis of RIS-Aided Wireless Communication Systems 

      Yang L.; Yang J.; Xie W.; Hasna , Mazen; Tsiftsis T.; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this work, we study the secrecy performance of a reconfigurable intelligent surfaces (RIS)-aided wireless communication system in the presence of an eavesdropping user. Specifically, we assume that the RIS is placed ...
    • Secrecy Outage Performance of Ground-to-Air Communications with Multiple Aerial Eavesdroppers and Its Deep Learning Evaluation 

      Bao T.; Zhu J.; Yang H.-C.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article)
      In this letter, we study the secure information transmission from a ground base station (GBS) to a legitimate unmanned aerial vehicle (UAV) user, in the presence of multiple UAV eavesdroppers. To enhance the secrecy ...
    • A Deep Learning Model for LoRa Signals Classification Using Cyclostationay Features 

      Almohamad A.; Hasna , Mazen; Althunibat S.; Tekbiyik K.; Qaraqe K. ( IEEE Computer Society , 2021 , Conference Paper)
      With the witnessed exponential growth of Internet of Things (IoT) nodes deployment following the emerging applications, multiple variants of technologies have been proposed to handle the IoT requirements. Among the proposed ...
    • 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 ...
    • A Novel RIS-Assisted Modulation Scheme 

      Yang L.; Meng F.; Hasna , Mazen; Basar E. ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)
      In this work, in order to achieve higher spectrum efficiency, we propose a reconfigurable intelligent surface (RIS)-assisted multi-user communication uplink system. Different from previous work in which the RIS only optimizes ...
    • Performance of THz Communications Over Cascaded RISs: A Practical Solution to the Over-Determined Formulation 

      Almohamad A.; Hasna , Mazen; Zorba N.; Khattab T. ( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)
      As a last resort for radio frequency communication, Terahertz bands (0.1-10 THz) are targeted thanks to their ability to provide ultra-wide bandwidth satisfying varieties of emerging applications. However, the waves ...
    • A Secrecy Study of UAV Based Networks with Fountain Codes and FD Jamming 

      Abughalwa M.; Hasna , Mazen ( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)
      Securing wireless communication using different techniques has been an interesting topic for research, especially with the increasing demand on fast and secure transmission. In this research, we conduct a performance ...
    • Mitigation of Traffic Congestion Using Ramp Metering on Doha Expressway 

      Khan, Muhammad Asif; Hamila, Ridha; Shaaban, Khaled Salah ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      Ramp metering is the most effective and widely implemented strategy for improving traffic flow on freeways by restricting the number of vehicles entering a freeway using ramp meters. A ramp meter is a traffic signal ...
    • Design of a Time-Frequency Algorithm for Automatic Eeg Artifact Removal 

      Boashash, Boualem; Ouelha, Samir; Maqsood, Sadiq Ali ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      The injuries suffered by newborns during birth are a major health issue. To improve the health outcomes of sick newborns using EEG measurements, a number of recent studies focused on the use of high-resolution Time-Frequency ...
    • Determining the Outdoor Air Ventilation with Carbon Dioxide (CO2) as a Tracer Gas 

      Ijaz, Ali; Benammar, Mohieddine Amor; Touati, Farid; Kadri, Abdullah ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)
      Insufficient ventilation can lead to occupant complaints of discomfort and reduced productivity as human and building generated pollutants build up. Some combinations of these elevated pollutants may have short or long-term ...