| 摘要 |
A smart key monitoring system for a vehicle comprises: a first LF output antenna which transmits an authentication low frequency (LF) signal within a preset distance from a portion of one side of the vehicle; an RF receiver which is installed in a portion of the vehicle and receives an authentication response radio frequency (RF) signal generated by a smart key in response to the authentication LF signal; and a monitoring controller which performs the authentication of the authentication response RF signal received by the RF receiver, receives a request signal for unlocking a first door provided on one side of the vehicle for which the authentication succeeds from an unlock sensor of the first door, and delivers the unlock request signal to a door unlock controller.
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