US 12,219,621 B2
Wireless communication system
Sho Matsumoto, Kariya (JP); Ryu Atsuta, Kariya (JP); Youichi Hayase, Kariya (JP); and Jungaun Lee, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on May 19, 2022, as Appl. No. 17/748,474.
Claims priority of application No. 2021-086368 (JP), filed on May 21, 2021.
Prior Publication US 2022/0377815 A1, Nov. 24, 2022
Int. Cl. H04W 76/10 (2018.01)
CPC H04W 76/10 (2018.02) 8 Claims
OG exemplary drawing
 
1. A wireless communication system comprising:
a master device; and
slave devices performing wireless communication with the master device, wherein
the slave devices each include:
a data transmission unit transmitting data to the master device in a data transmission cycle in a connected state in which wireless communication is enabled with the master device;
a connection request unit cyclically transmitting a respective connection request for wireless communication to the master device in a disconnected state that is not the connected state; and
a cycle setting unit setting a request transmission cycle for transmitting the respective connection request, wherein
when a respective connection is unintentionally disconnected, the cycle setting unit sets the request transmission cycle to a shorter value than when the respective connection is intentionally disconnected.