Patent ID: 9525962
Filing Date: 2016-12-20
CPC Classification: H04L,H04W

Claim Text:
1. A method for performing connection through Bluetooth by a head unit of a vehicle with a mobile device which is paired with the head unit, the method comprising: transmitting, by a controller, a first message for checking a link-key to the mobile device; and transmitting, by the controller, upon receiving a second message indicating that connection is refused from the mobile device, a third message for starting a new pairing procedure to the mobile device, wherein the step of transmitting the third message is performed regardless of whether a fourth message indicating that the connection is released is received from the mobile device, and wherein the third message is a message generated by the head unit based on a connection history in response to the deletion of the link-key when the link-key is deleted from the mobile device and the fourth message is a message for terminating connection by the mobile device in response to the deletion of the link-key.