Now showing items 41-60 of 219

    • An exploratory search strategy for data routing in flying ad hoc networks 

      Ghazzai, Hakim; Feidi, Awatef; Menouar, Hamid; Ammari, Mohamed Lassaad ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      This paper investigates the problem of data routing in flying ad hoc networks (FANETs) composed of multiple flying nodes, i.e., unmanned aerial vehicles (UAVs), supported by communication platforms. The objective is to ...
    • Energy management in cellular HetNets assisted by solar powered drone small cells 

      Alsharoa, Ahmad; Ghazzai, Hakim; Kadri, Abdullah; Kamal, Ahmed E. ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      This paper proposes an energy management framework for cellular heterogeneous networks (HetNets) supported by dynamic drone small cells. A 3-tier HetNet is considered where macrocell, on/off switching micro cells, and ...
    • 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)
      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 ...
    • Exploiting land transport to improve the uav's performances for longer mission coverage in smart cities 

      Lasla, Noureddine; Ghazzai, Hakim; Menouar, Hamid; Massoud, Yehia ( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference)
      This contribution presents a solution to improve the performances of micro unmanned aerial vehicles (UAVs) by increasing their missions coverage in terms of distance and time. This is achieved by letting the UAV ride ...
    • On building realistic reference scenarios for IEEE 802.11p/LTE-based vehicular network evaluations 

      Dreyer, Nils; Moeller,; reas; Baumgarten, Johannes; Mir, Zeeshan Hameed; ... more authors ( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference)
      In recent years, a combined utilization of ad-hoc communication and cellular mobile radio systems has been considered for vehicular networking in future Intelligent Transportation Systems (ITSs). The development of hybrid ...
    • P2P group formation enhancement for opportunistic networks with Wi-Fi direct 

      Cherif, Wael; Khan, Muhammad Asif; Filali, Fethi; Sharafeddine, Sanaa; Dawy, Zaher ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      The Wi-Fi Direct technology was proposed by Wi-Fi Alliance in order to facilitate device-to-device communications in Wi-Fi. The Wi-Fi Direct technology offers new possibilities to deploy opportunistic and cooperative ...
    • Energy-efficient management of unmanned aerial vehicles for underlay cognitive radio systems 

      Ghazzai, Hakim; Ben Ghorbel, Mahdi; Kadri, Abdullah; Hossain, Md. Jahangir; Menouar, Hamid ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      Micro unmanned aerial vehicles (MUAVs) have attracted much interest in multiple applications. Most of the MUAV-based applications require time-limited access to the spectrum to complete data transmission due to limited ...
    • 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 ...
    • 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 ...
    • 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)
      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 ...
    • 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)
      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 ...
    • 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)
      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 ...
    • 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)
      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)
      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 ...
    • 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)
      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 ...
    • Toward dimensioning cooperative high-density wireless networks 

      Cherif, Wael; Filali, Fethi; Sharafeddine, Sanaa; Dawy, Zaher ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference)
      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 ...
    • 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)
      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 ...
    • 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)
      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 ...
    • Applications, requirements, and design guidelines for multi-tiered vehicular network architecture 

      Mir, Zeeshan Hameed; Filali, Fethi ( Institute of Electrical and Electronics Engineers , 2018 , Conference)
      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, ...
    • 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)
      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 ...