D2D Data Offloading in Vehicular Networks with Delivery Time Selection

  • Loreto PescosolidoEmail author
  • Marco Conti
  • Andrea Passarella
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10866)


Within the framework of a Device-to-Device (D2D) data offloading system for cellular networks, we propose a Content Delivery Management System (CDMS) in which the instant for transmitting a content to a requesting node, through a D2D communication, is selected to minimize the energy consumption required for transmission. The proposed system is particularly fit to highly dynamic scenarios, such as vehicular networks, where the network topology changes at a rate which is comparable with the order of magnitude of the delay tolerance. Through extensive system level simulations, we compare the energy consumed by the devices to perform D2D data offloading using the proposed scheme with the energy consumed when using a benchmark scheme (proposed in previous works) without optimal transmission instant selection. The results show that, in specific scenarios, compared to the benchmark system in which the transmission instant is not optimized, the proposed system allows a reduction of the energy consumed for D2D communications above 90%.


D2D data offloading Power control Delay-tolerant applications Radio resource management 



This work was partially funded by the EC under the H2020 REPLICATE (691735), SoBigData (654024) and AUTOWARE (723909) projects.


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Copyright information

© IFIP International Federation for Information Processing 2018

Authors and Affiliations

  • Loreto Pescosolido
    • 1
    Email author
  • Marco Conti
    • 1
  • Andrea Passarella
    • 1
  1. 1.Institute for Informatics and Telematics (IIT)Italian National Research Council (CNR)PisaItaly

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