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OCC access technology is specified for the implementation context of ISO 21218. This document provides specifications of a communication interface (CI) named ITS-OCC.
This document specifies the additions to and deviations from IEEE 802.15.7:2018 which are required in order to make ITS-OCC CIs compatible with:
— the ITS station and communication architecture specified in ISO 21217, and
— the hybrid communications support specified in ISO 21218.
This document specifies:
— an OCC profile of IEEE 802.15.7:2018 for usage in C-ITS;
— details of CAL (ISO 21218); and
— details of MAE (ISO 21218, ISO 24102-3).
NOTE Considering safety-related services involving communications between a vehicle and a roadside station being performed on the basis of OCC, it is noted that, due to shadowing, communications can be interrupted or blocked for a significantly long time.