To understand properly all the technical, industrial and economic refinements which are included in the possible applications of FlexRay, this chapter discusses the techniques which are used regarding the types of access to the medium, which are one of the fundamental, specific points of this protocol. In the time hierarchy of a network which functions under FlexRay, the level called ‘arbitration grid level’ is immediately below that of Global Time, which contains the arbitration grid, which forms the backbone of the arbitration principle for access to the FlexRay medium. The rules of the arbitration grid differ depending on whether the frame that the node wishes to transmit is intended to go into the static segment or the dynamic segment of the communication cycle. The chapter considers the FlexRay applications operating with two communication channels, and their consequences for access to the medium during the respective segments of the two channels.

    Communication channels


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    Title :

    Access to the Physical Layer


    Contributors:

    Published in:

    Publication date :

    2012-03-16


    Size :

    14 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English