Now showing items 81-100 of 5212

    • Optimal Sequential and Parallel UAV Scheduling for Multi-Event Applications 

      Ghazzai, Hakim; Kadri, Abdullah; Ben Ghorbel, Mahdi; Menouar, Hamid ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      In this paper, a generic scheduling framework to manage a fleet of micro unmanned aerial vehicles (UAVs) is proposed. The objective is to employ multiple UAVs in sequential and parallel ways to cover spatially and temporally ...
    • Effective Urban Structure Inference from Traffic Flow Dynamics 

      Sarkar, Somwrita; Chawla, Sanjay; Ahmad, Shameem; Srivastava, Jaideep; Hammady, Hosam; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Mobility in a city is represented as traffic flows in and out of defined urban travel or administrative zones. While the zones and the road networks connecting them are fixed in space, traffic flows between pairs of zones ...
    • On the Placement of UAV Docking Stations for Future Intelligent Transportation Systems 

      Ghazzai, Hakim; Menouar, Hamid; Kadri, Abdullah ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Unmanned Aerial Vehicles (UAV) have attracted a lot of attention in a variety of fields especially in intelligent transportation systems (ITS). They constitute an innovative mean to support existing technologies to control ...
    • Energy efficient data collection for wireless sensors using drones 

      Ben Ghorbel, Mahdi; Rodriguez-Duarte, David; Ghazzai, Hakim; Hossain, Md. Jahangir; Menouar, Hamid ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      This paper proposes an energy-efficient solution to employ a drone to gather data from spatially distributed wireless sensors. Specifically, we minimize the energy consumption of the drone while accomplishing a tour to ...
    • Adaptive security provisioning for vehicular safety applications 

      Ben Hamida, Elyes; Javed, Muhammad Awais; Znaidi, Wassim ( Inderscience Publishers , 2017 , Article)
      Vehicular ad hoc network provides safety applications for next generation intelligent transport systems. By periodically transmitting mobility information in basic safety messages (BSMs), vehicles get an overview of the ...
    • Energy efficient 3D positioning of micro unmanned aerial vehicles for underlay cognitive radio systems 

      Ghazzai, Hakim; Ben Ghorbel, Mahdi; Kadri, Abdullah; Hossain, Md Jahangir ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Micro unmanned aerial vehicles (MUAVs) have attracted much interest as flexible communication means for multiple applications due to their versatility. Most of the MUAV-based applications require a time-limited access to ...
    • Toward dimensioning cooperative high-density wireless networks 

      Cherif, Wael; Filali, Fethi; Sharafeddine, Sanaa; Dawy, Zaher ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      The planning procedure of 802.11 WLAN networks is specific to each type of venue. In the case of large venues with high number and dense Wi-Fi devices, the network planning requires a deep investigation on: available ...
    • On the throughput of cognitive radio MIMO systems assisted with UAV relays 

      Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      We analyze the achievable rates of a cognitive radio MIMO system assisted by an unmanned aerial vehicle (UAV) relay. The primary user (PU) and the secondary user (SU) aim to communicate to the closest primary base station ...
    • Energy-efficient power allocation for UAV cognitive radio systems 

      Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      We study the deployment of unmanned aerial vehicles (UAV) based cognitive system in an area covered by the primary network (PN). An UAV shares the spectrum of the PN and aims to maximize its energy efficiency (EE) by ...
    • Adaptive security for intelligent transport system applications 

      Javed, Muhammad Awais; Ben Hamida, Elyes; Al-Fuqaha, Ala; Bhargava, Bharat ( Institute of Electrical and Electronics Engineers , 2018 , Article)
      The transportation system is gradually migrating toward autonomous, electric and intelligent vehicles. Wireless-enabled vehicles along with infrastructure units on the road are connected with traffic management centers ...
    • Applications, requirements, and design guidelines for multi-tiered vehicular network architecture 

      Mir, Zeeshan Hameed; Filali, Fethi ( Institute of Electrical and Electronics Engineers , 2018 , Conference Paper)
      Vehicle-to-Everything (V2X) communication spurs the possibilities to develop a wide range of vehicular applications and use cases. V2X communications enable applications mainly in three categories, namely active road safety, ...
    • Optimizing V2X Data Collection and Storage for a Better Cost and Quality Trade-off 

      Brahim, Mohamed Ben; Menouar, Hamid ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Future vehicles will be equipped with advanced communication capabilities and a multitude of sensing devices. Vehicle-To-vehicle and to Infrastructure (V2X) is one of these future technologies. V2X-Technology-enabled ...
    • An Energy Efficient Overlay Cognitive Radio Approach in UAV-Based Communication 

      Ghorbel, Mahdi Ben; Ghazzai, Hakim; Kadri, Abdullah; Hossain, Md. Jahangir; Menouar, Hamid ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)
      Most of the drone-based applications require a time-limited access to the spectrum to complete data transmission due to limited battery capacity of these flying units. This paper proposes an efficient spectrum and energy ...
    • Traffic offloading with maximum user capacity in dense D2D cooperative networks 

      Abbas, Nadine; Dawy, Zaher; Hajj, Hazem; Sharafeddine, Sanaa; Filali, Fethi ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      Ultra dense networks and device-to-device communications are expected to play a major role in 5G networks to meet tremendous traffic requirements. In our work, we address traffic offloading in dense device-to-device ...
    • Mobile user association for heterogeneous networks using optimal transport theory 

      Ghazzai, Hakim; Tembine, Hamidou; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      This paper investigates the mobile user association problem for heterogeneous networks. More specifically, it applies the optimal transport (OT) concept to determine the cells corresponding to each base station (BS) that ...
    • Dynamic spectrum management in green cognitive radio cellular networks 

      Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      In this paper, we propose a new cellular network operation scheme fulfilling the 5G requirements related to spectrum management and green communications. We focus on cognitive radio cellular networks in which both the ...
    • Road network fusion for incremental map updates 

      Stanojevic, Rade; Abbar, Sofiane; Thirumuruganathan, Saravanan; De Francisci Morales, Gianmarco; Chawla, Sanjay; ... more authors ( Springer Science and Business Media Deutschland GmbH , 2018 , Conference Paper)
      In the recent years a number of novel, automatic map-inference techniques have been proposed, which derive road-network from a cohort of GPS traces collected by a fleet of vehicles. In spite of considerable attention, these ...
    • التوطين واللغة والقانون: ثلاثية النهوض بالعلوم في الوطن العربي 

      ملكاوي, أسماء حسين; هياجنة, عبد الناصر زياد; Malkawi, Asma H.; Hayajneh, Abdelnaser Z. ( Qatar University Press , 2024 , Article)
      أهداف البحث: تهدف هذه الدراسة إلى معالجة ما تمكن تسميته بغربة العلوم عن واقع المجتمعات العربية، من خلال تقديم ثلاثية التوطين واللغة والقانون كعوامل متضافرة تعمل على تغيير المشهد المعرفي الأكاديمي في جامعات العالم العربي، ...
    • Editorial: Revisiting mouse models of traumatic brain injuries: a focus on intracellular mechanisms 

      Omais, Saad; Kobeissy, Firas; Zibara, Kazem; Shaito, Abdullah ( Frontiers Media , 2024 , Article)
      Traumatic brain injury (TBI) continues to be a critical health condition, especially for the newly born, the elderly, and victims of motor vehicle accidents, sports concussions, war blasts, etc. Due to the extremely ...
    • Real-time AI-based inference of people gender and age in highly crowded environments 

      Jasseur, Abidi; Filali, Fethi ( Elsevier , 2023 , Article)
      Gender identity is one of the most fundamental aspects of life. Automatic gender identification is increasingly being used in areas such as security, marketing, and social robots. The objective of this paper is to address ...