US 12,238,620 B2
Method and device for transmitting and receiving a plurality of Cooperative Awareness Message (CAM) information in a V2X system
Seoyoung Back, Seoul (KR); and Woosuk Ko, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/594,080
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Apr. 11, 2019, PCT No. PCT/KR2019/004360
§ 371(c)(1), (2) Date Oct. 1, 2021,
PCT Pub. No. WO2020/209420, PCT Pub. Date Oct. 15, 2020.
Prior Publication US 2022/0217513 A1, Jul. 7, 2022
Int. Cl. H04W 4/40 (2018.01); H04W 74/0808 (2024.01)
CPC H04W 4/40 (2018.02) [H04W 74/0808 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method for transmitting a plurality of Cooperative Awareness Message (CAM) information in a V2X system, the method performed by a vehicle comprising:
transmitting, to a base station, a first message including first information representing whether aggregation of the plurality of CAM information is possible through a first interface;
receiving, from the base station, a second message requesting transmission by combining the plurality of CAM information;
receiving, from surrounding vehicles, the plurality of CAM information through a second interface; and
transmitting, to the base station, a third message including the plurality of CAM information through the first interface,
wherein a transmission period of the third message is determined based on a Channel Busy Ratio (CBR) of a channel between the vehicle and the base station,
wherein the third message is transmitted to the base station based on no other vehicle transmitting CAM information to the base station before a timer expires, and
wherein the timer is configured to a specific value based on the CBR.