1st International ICST Symposium on Vehicular Computing Systems

Research Article

Topology Optimization of In-vehicle Multimedia Communication Systems

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  • @INPROCEEDINGS{10.4108/ICST.ISVCS2008.3712,
        author={J\o{}rg Sommer and Elias A. Doumith},
        title={Topology Optimization of In-vehicle Multimedia Communication Systems},
        proceedings={1st International ICST Symposium on Vehicular Computing Systems},
        proceedings_a={ISVCS},
        year={2010},
        month={5},
        keywords={Optimization Integer linear programming Heuristic Simulated annealing Topology design Ethernet In-vehicle communication systems},
        doi={10.4108/ICST.ISVCS2008.3712}
    }
    
  • Jörg Sommer
    Elias A. Doumith
    Year: 2010
    Topology Optimization of In-vehicle Multimedia Communication Systems
    ISVCS
    ICST
    DOI: 10.4108/ICST.ISVCS2008.3712
Jörg Sommer1,*, Elias A. Doumith2,*
  • 1: University of Stuttgart, Institute of Communication Networks and Computer Engineering Pfaffenwaldring 47 70569 Stuttgart, Germany
  • 2: University of Stuttgart, Institute of Communication Networks and Computer EngineeringPfaffenwaldring 47 70569 Stuttgart, Germany
*Contact email: oerg.sommer@ikr.uni-stuttgart.de, elias.doumith@ikr.uni-stuttgart.de

Abstract

In recent years, the importance of in-vehicle multimedia and infotainment systems has grown rapidly. Nowadays, the Media Oriented Systems Transport (MOST) network technology is predominantly used to deploy such systems. Recently, researchers started to investigate whether Ethernet-based systems can also fulfill the requirements of an in-vehicle multimedia network technology. However, cabling an Ethernet network has more degree of freedom than a ring network such as MOST since the use of additional switches can lead to different network topologies such as a star or a tree. In this paper, we introduce and investigate different approaches to minimize the total cable length and the number of switches of different Ethernet topologies within an in-vehicle multimedia communication system. In order to compare both Ethernet and MOST technology, we develop exact and heuristic methods to optimize the total length of the cables required to connect all the electronic devices. Finally, we discuss the results for various scenarios and topologies. Our results indicate that the total cable length is not a limitation for use of Ethernet.