Literature Database Entry


Kai Hamich, "Implementation and Evaluation of LTE Direct for Veins LTE," Bachelor Thesis, Department of Computer Science, University of Paderborn, November 2016. (Advisors: Florian Hagenauer and Christoph Sommer)


Communication between all road users will be essential to coordinate the traffic flow of the future. The currently established Device-to-Device (D2D) communications for Inter-vehicle communication (IVC) is IEEE 802.11p. As more and more users will participate in mobile communication, 802.11p will reach its limit in a crowded environment. New approaches to solve these issues must be developed and evaluated. The first solution to the limited resources are based on well established communications standards like LTE. LTE Direct is a solution for D2D communication using the well established LTE mobile networks. The hypothesis of this thesis was that LTE Direct should have several advantages for IVC over LTE using the regular infrastructure and other IVC protocols like a more efficient resource usage. Mobile communication systems in general and in particular IVC are very complex and deployed over huge areas. It is often impossible to develop such a system on real hardware. The development and evaluation of new communication protocols and applications for such scenarios requires simulation frameworks. Veins LTE already combines SimuLTE as basis for a LTE simulation and Veins for a realistic traffic simulation. To be able to evaluate the possible benefits of LTE Direct compared to other IVC protocols and the regular LTE infrastructure, the LTE Direct model from SimuLTE was integrated into Veins LTE and validated. The evaluation of LTE Direct and LTE using the infrastructure shows that the overall performance highly depends on the chosen scheduler. The expected lower end-to-end delay could not be clearly shown. Obstacles have a higher impact on LTE Direct caused by a lower transmit power and sometimes blocked the line of sight between the sender and receiver. This results in higher packet loss for LTE Direct. A consequential possible lower channel modulation using LTE Direct can lead to an inefficient use of channel capacities. All in all, the integrated D2D functionality is a great extension for Veins LTE and a good basis for future evaluation of heterogeneous communication systems.

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Kai Hamich

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    author = {Hamich, Kai},
    advisor = {Hagenauer, Florian and Sommer, Christoph},
    title = {{Implementation and Evaluation of LTE Direct for Veins LTE}},
    institution = {Department of Computer Science},
    year = {2016},
    month = {November},
    school = {University of Paderborn},
    type = {Bachelor Thesis},

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