US 12,445,370 B2
Wireless communication system, wireless communication device, wireless communication method, and computer program product for wireless communication
Masaki Mukamoto, Kawasaki Kanagawa (JP); and Yasuyuki Tanaka, Kawasaki Kanagawa (JP)
Assigned to Kabushiki Kaisha Toshiba, Kawasaki (JP)
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP)
Filed on Feb. 27, 2023, as Appl. No. 18/175,429.
Claims priority of application No. 2022-106773 (JP), filed on Jul. 1, 2022.
Prior Publication US 2024/0007391 A1, Jan. 4, 2024
Int. Cl. H04L 45/00 (2022.01); H04W 28/02 (2009.01); H04W 84/18 (2009.01)
CPC H04L 45/20 (2013.01) [H04L 45/32 (2013.01); H04W 28/0289 (2013.01); H04W 84/18 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A wireless communication system comprising:
a first wireless communication device constituting a wireless multihop mesh network and performing flooding communication; and
a second wireless communication device constituting the wireless multihop mesh network and being capable of communicating with an external network, wherein
the first wireless communication device includes one or more hardware processors coupled to a memory, the one or more hardware processors are configured to:
register a setting-purpose TTL (Time To Live) in management information on the basis of an inspection packet received from the second wireless communication device, the inspection packet including second identification information of the second wireless communication device, a TTL initial value, and a TTL, the setting-purpose TTL corresponding to difference between the TTL initial value and the TTL included in the inspection packet, the setting-purpose TTL being registered to have correspondence with the second identification information;
set the setting-purpose TTL as a TTL of a packet addressed to the second wireless communication device identified by the second identification information, the setting-purpose TTL corresponding to the second identification information in the management information; and
transmit the packet for which the setting-purpose TTL has been set as the TTL.