US 12,010,692 B2
Unicast or multicast sidelink control information sending method and communications device
Jinfang Zhang, Shenzhen (CN); Hongjia Su, Shanghai (CN); Zhengzheng Xiang, Shanghai (CN); and Lei Lu, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Apr. 8, 2021, as Appl. No. 17/225,705.
Application 17/225,705 is a continuation of application No. PCT/CN2019/107143, filed on Sep. 21, 2019.
Claims priority of application No. 201811180342.0 (CN), filed on Oct. 10, 2018.
Prior Publication US 2021/0227523 A1, Jul. 22, 2021
Int. Cl. H04W 72/23 (2023.01); H04W 72/121 (2023.01); H04W 76/14 (2018.01); H04W 4/40 (2018.01)
CPC H04W 72/23 (2023.01) [H04W 72/121 (2013.01); H04W 76/14 (2018.02); H04W 4/40 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A sidelink control information sending method, comprising:
sending, by a first communications device, first sub control information to a second communications device and a third communications device, wherein the first sub control information is scrambled by using a common scrambling sequence, the first communications device and the second communications device belong to a first communications device group, the third communications device does not belong to the first communications device group, the first sub control information belongs to first sidelink control information, the first sidelink control information is used to indicate the first communications device to send first sidelink data to the second communications device, the first sub control information comprises transmission resource indication information of the first sidelink data, and the transmission resource indication information of the first sidelink data is used to indicate a resource used by the first communications device to send the first sidelink data; and
sending, by the first communications device, second sub control information to the second communications device, wherein the second sub control information is scrambled by using a scrambling sequence generated by using a user equipment identifier of the second communications device or a scrambling sequence generated by using a group identifier of the first communications device group, the second sub control information belongs to the first sidelink control information, and the second sub control information is control information that is in the first sidelink control information and that is other than the first sub control information.