公开(公告)号：US20200162908A1

公开(公告)日：2020-05-21

申请号：US16611062

申请日：2017-04-21

Applicant: LG Electronics Inc.

Inventor： Soyoung KIM ,  Yongpyo HONG

IPC: H04W12/06 ,  H04W12/08 ,  H04L29/06 ,  H04W4/40 ,  H04W8/00

Abstract: Disclosed is a data communication method of a V2X communication device. The data communication method of a V2X communication device comprises the steps of: transmitting a device discovery message; receiving, from an external V2X communication device, a discovery response message for the device discovery message; and performing a security authentication authenticating a second authentication token included in the discovery response message.