CEN/TC 278/WG 9 - Dedicated Short Range Communication (DSRC)

This draft European Prestandard: - is a complement to the related standards for the DSRC-layers 1, 2 and 7; - applies to DSRC between fixed equipment at the roadside and mobile equipment in vehicles. This standard does neither apply to vehicle communication nor to communication between different instances of fixed equipment; - defines a number of sets of parameter values to be used in communication between fixed and mobile equipment and assigns a unique identifier to each set. This identifier is to be used in the negotiation and initialisation procedures taking place between fixed and mobile equipment.

This European Prestandard - establishes a common framework for Physical Layer at 5.8 GHz for DSRC for the RTTT sector. - provides requirements for the communication medium to be used for exchange of information between road-side units (RSU) and on-board units (OBU). - does not include associated measurement guidelines for verification of the formulated requirements in this Prestandard. - does not consider any one specific RTTT application, but rather caters for a communication means to be used by several applications in the RTTT sector.

This Standard is applicable to the Application Layer of the Dedicated Short-Range Communication (DSRC) system. Figure 2 illustrates the global data flow between the elements of the DSRC system, (Physical, Data Link and Application Layer) and the application.