Literature Database Entry

reimer2017improving


Stefan Reimer, "Improving Traffic Conditions in Paderborn using Centralized Virtual Traffic Lights," Bachelor Thesis, Department of Computer Science, University of Paderborn, January 2017. (Advisors: Agon Memedi and Christoph Sommer)

Abstract

Traffic congestion is familiar to most people living in cities. Urban road networks often have to cope with increasing traffic demand, where road expansion is not feasible. One of the bottlenecks of traffic flow are intersections, where some of them are controlled by traffic lights. Even though traffic lights improve safety, only a fraction of intersections are managed by them. Such traffic allows safe crossing of intersection, but they may delay vehicles as well. To address these problems I propose a cooperative intersection management (CIM) system. It utilizes communication between vehicles and a server residing in the cellular network structure. The vehicles provide real time traffic information to a central server, which controls an arbitrary number of intersections. Each intersection is controlled only by cellular network communication using LTE, hence we avoid the need of physical traffic lights. To manage the intersection, an algorithm applies a greedy strategy to reduce traffic delay while considering fairness. The behavior of this algorithm is evaluated by simulation in a scenario derived from a downtown area of Paderborn, hence producing results that shall reflect the behavior of a realistic road network. The simulation results show roughly a third of the traffic delay, when compared against traditional traffic lights. Moreover, they indicate, that the performance of the LTE communication channel must be considered as well.

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Stefan Reimer

BibTeX reference

@phdthesis{reimer2017improving,
    author = {Reimer, Stefan},
    advisor = {Memedi, Agon and Sommer, Christoph},
    title = {{Improving Traffic Conditions in Paderborn using Centralized Virtual Traffic Lights}},
    institution = {Department of Computer Science},
    year = {2017},
    month = {January},
    school = {University of Paderborn},
    type = {Bachelor Thesis},
   }
   
   

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