Title:
WIRELESS COMMUNICATION SYSTEM AND ON-VEHICLE DEVICE
Document Type and Number:
Japanese Patent JP2023137623
Kind Code:
A
Abstract:
To provide a wireless communication system and an on-vehicle device capable of achieving power saving of the on-vehicle device while improving responsiveness in communication between an electronic key terminal and the on-vehicle device that can perform wireless digital communication with the electronic key terminal.SOLUTION: In digital wireless communication performed by a vehicle 1 and an electronic key terminal 2, the electronic key terminal 2 and the vehicle 1 periodically perform advertisement transmission at a first time interval, periodically perform collation communication for confirming whether authentication of the electronic key terminal 2 has succeeded or not after the advertisement transmission at a second time interval, and perform a periodical communication to be performed after establishment of the authentication through the collation communication at a third time interval. The third time interval of the periodical communication is set longer than the second time interval of the collation communication. Consequently, responsiveness in the communication between the electronic key terminal 2 and the vehicle 1 can be achieved. Further the first time interval of the advertisement transmission is set longer than the second time interval of the collation communication. Consequently, power saving of the vehicle 1 can be achieved.SELECTED DRAWING: Figure 1
Inventors:
SAITO MOTOO
TAKIGAWA MASAMI
NAMBA HITOSHI
FUJIYAMA JUN
TAKIGAWA MASAMI
NAMBA HITOSHI
FUJIYAMA JUN
Application Number:
JP2022043894A
Publication Date:
September 29, 2023
Filing Date:
March 18, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
H04W52/02; H04W12/03; H04W12/06; H04W12/71; H04W84/10
Attorney, Agent or Firm:
Masaaki Yoshida