Method for DSRC communication

摘要

The method involves transmitting a derivation code of an onboard unit (OBU) to a beacon (RSE) to enable the beacon to emulate an individual key for decrypting communication with the onboard unit, upon communication with one beacon via a short-range radio interface (1). The derivation code is varied to obtain another code upon communication from onboard unit to another beacon. The latter derivation code is transmitted to the latter beacon to enable the latter beacon to emulate the individual key for the onboard unit for encrypting/decrypting the latter communication with the onboard unit.