Qatar Mobility Innovations Center: Recent submissions

Now showing items 21-40 of 219

    • Energy sharing framework for microgrid-powered cellular base stations 

      Farooq, Muhammad Junaid; Ghazzai, Hakim; Kadri, Abdullah; ElSawy, Hesham; Alouini, Mohamed-Slim ( IEEE , 2016 , Conference Paper)
      Cellular base stations (BSs) are increasingly becoming equipped with renewable energy generators to reduce operational expenditures and carbon footprint of wireless communications. Moreover, advancements in the traditional ...

    • Channel-aware ECDSA signature verification of basic safety messages with K-means clustering in VANETs 

      Ben Hamida, Elyes; Javed, Muhammad Awais ( IEEE , 2016 , Conference Paper)
      Vehicular ad hoc network facilitates cooperative awareness applications by periodically sharing basic safety messages (BSMs) with the neighborhood vehicles. As these applications impact human safety, authenticity of BSMs ...

    • Joint throughput and channel aware (TCA) dynamic scheduling algorithm for emerging wearable applications 

      Alam, Muhammad Mahtab; Ben Arbia, Dhafer; Ben Hamida, Elyes ( IEEE , 2016 , Conference Paper)
      This paper addresses a reliability concern of the emerging wearable applications under dynamic and realistic conditions. We propose a new joint throughput and channel aware (TCA) dynamic scheduling algorithm for IEEE ...

    • An adaptive timer for RPL to handle mobility in wireless sensor networks 

      Gara, Fatma; Ben Saad, Leila; Ben Hamida, Elyes; Tourancheau, Bernard; Ben Ayed, Rahma ( IEEE , 2016 , Conference Paper)
      This paper focuses on the performance of wireless sensor networks characterized by a hybrid topology composed of mobile and static sensor nodes. The Routing Protocol for Low power and lossy networks (RPL), which is ...

    • Wireless RF-based energy harvesting for two-way relaying systems 

      Alsharoa, Ahmad; Ghazzai, Hakim; Kamal, Ahmed E.; Kadri, Abdullah ( IEEE , 2016 , Conference Paper)
      In this paper, we investigate the Energy Harvesting (EH)-based two-way relaying system using Amplify-And-Forward (AF) and Decode-And-Forward (DF) strategies. The relay is considered as an EH node that harvests the received ...

    • Large-scale simulations and performance evaluation of connected cars - A V2V communication perspective 

      Mir, Zeeshan Hameed; Filali, Fethi ( Elsevier , 2017 , Article)
      Performance evaluation is integral to the vast majority of research on Vehicle-to-Vehicle (V2V) technology enabled connected cars. To validate ideas and concepts, researchers have been continuously striving towards the ...

    • Improved multi-hop routing in integrated VANET-LTE hybrid vehicular networks 

      Mir, Zeeshan Hameed; Kim, Jaebeom; Ko, Young-Bae; Filali, Fethi ( Association for Computing Machinery, Inc , 2016 , Conference Paper)
      The VANET-LTE integration offers many potential advantages for vehicular networks such as high data rates, low latency and extended communication range. However, utilizing these advantages requires novel protocols and ...

    • Scalable multimedia streaming in wireless networks with device-to-device cooperation 

      Jahed, Karim; Sharafeddine, Sanaa; Moussawi, Abdallah; Abou Daya, Abbas; Dbouk, Hassan; ... more authors ( Association for Computing Machinery, Inc , 2016 , Conference Paper)
      We present a scalable mobile multimedia streaming system with device-to-device cooperation that enables common content distribution in dense wireless networking environments. This is particularly applicable to use cases ...

    • Robust road map inference through network alignment of trajectories 

      Stanojevic, Rade; Abbar, Sofiane; Thirumuruganathan, Saravanan; Chawla, Sanjay; Filali, Fethi; ... more authors ( Society for Industrial and Applied Mathematics Publications , 2018 , Conference Paper)
      In this paper we address the challenge of inferring the road network of a city from crowd-sourced GPS traces. While the problem has been addressed before, our solution has the following unique characteristics: (i) we ...

    • Achievable Rates of UAV-Relayed Cooperative Cognitive Radio MIMO Systems 

      Sboui, Lokman; Ghazzai, Hakim; Rezki, Zouheir; Alouini, Mohamed-Slim ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      We study the achievable rate of an uplink MIMO cognitive radio system where the primary user (PU) and the secondary user (SU) aim to communicate to the closest primary base station (BS) via a multi-access channel through ...

    • UAVs-assisted Data Collection in Vehicular Network 

      Ben Brahim, Mohamed; Ghazzai, Hakim; Menouar, Hamid; Filal, Fethi ( IARIA , 2018 , Conference Paper)
      In vehicular network, nodes generate and transmit timely measured data by embedded sensors. Some data needs to be gathered by remote devices. The limited communication range of the vehicular wireless system requires to ...

    • Distributed Upstream Data Cleaning in VANET 

      Ben Brahim, Mohamed; Menouar, Hamid ( IARIA , 2017 , Conference Paper)
      The mobile road stations in Vehicular Ad~hoc NETworks (VANET) are generating huge quantities of traffic-related data over wireless communication medium. For different business purposes, data has to be collected by heterogeneous ...

    • Real Deployment of the V2X-Based Data Probe Application and its Integration with a Commercial Traffic Platform 

      Menouar, Hamid; Ben Brahim, Mohamed ( IARIA , 2019 , Conference Paper)
      In Vehicle to vehicle and vehicle to infrastructure communication the vehicles are expected to transmit continuously and frequently information that include their velocity and location coordinates. Such real-time geographical ...

    • Data Routing Challenges in UAV-assisted Vehicular Ad hoc Networks 

      Ghazzai, Hakim; Menouar, Hamid; Kadri, Abdullah ( IARIA , 2017 , Conference Paper)
      Reliable and efficient transportation system in smart cities relies on effective integration of connected and autonomous vehicles. Although there has been a lot of improvements in this technology, additional support from ...

    • 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 Paper)
      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 ...

    • Near optimal power splitting protocol for energy harvesting based two way multiple relay systems 

      Alsharoa, Ahmad; Ghazzai, Hakim; Kamal, Ahmed E.; Kadri, Abdullah ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)
      This paper proposes an optimized transmission scheme for Energy Harvesting (EH)-based two-way multiple- relay systems. All relays are considered as EH nodes that harvest energy from renewable and radio frequency (RF) ...

    • 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 Paper)
      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 Interrelation of Security, QoS, and Safety in Cooperative ITS 

      Javed, Muhammad Awais; Ben Hamida, Elyes ( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)
      Cooperative intelligent transport system (C-ITS) is an emerging technology that enables secure and safe road travel using wireless communications. Vehicles regularly share their mobility information with the neighborhood ...

    • 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 Paper)
      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 ...

    • 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 Paper)
      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 ...