| Description | In the V1.3.1 version of the CDD (https://www.etsi.org/deliver/etsi_ts/102800_102899/10289402/01.03.01_60/ts_10289402v010301p.pdf [^]) a more detailed definition of A.78 DE_StationType was introduced.
It includes a definition for stationType "roadSideUnit(15)" that reads "ITS-S mounted on an infrastructure typically positioned outside of the drivable roadway (e.g. on a gantry, on a pole, on a stationary road works trailer); the infrastructure is static during the entire operation period of the ITS-S (e.g. no stop and go activity)".
C-ROADS requests to delete the last sentence ("the infrastructure is static during the entire operation period of the ITS-S (e.g. no stop and go activity)) of that statement and add another example (“in a road operator vehicle”) to the first sentence of that statement. The definition of roadSideUnit(15) should be: “ITS-S mounted on an infrastructure typically positioned outside of the drivable roadway (e.g. on a gantry, on a pole, on a stationary road works trailer, in a road operator vehicle)”.
Rationale: whenever an ITS-S of the road operator (fixed or non fixed, like for example a trailer or an operator vehicle) has established communication to its central ITS-S, it receives all messages relevant for the geographic area it is currently in and disseminates these messages, using stationType "roadSideUnit(15)". It acts as a RSU on behalf of the central ITS-S of the road operator for these messages. Only messages issued _locally_ by trailers or road operator vehicles will use other station types (like e.g. trailer(9), specialVehicle(5), ...). This view has been aligned within C-ROADS and has also been discussed with selected C2C members (VW, Renault).
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