US 12,484,059 B2
Resource reservation method, apparatus and terminal
Qun Zhao, Beijing (CN)
Assigned to BEIJING XIAOMI MOBILE SOFTWARE CO., LTD., Beijing (CN)
Appl. No. 17/904,090
Filed by Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
PCT Filed Feb. 14, 2020, PCT No. PCT/CN2020/075297
§ 371(c)(1), (2) Date Aug. 11, 2022,
PCT Pub. No. WO2021/159474, PCT Pub. Date Aug. 19, 2021.
Prior Publication US 2023/0075899 A1, Mar. 9, 2023
Int. Cl. H04W 72/20 (2023.01); H04W 72/02 (2009.01); H04W 72/044 (2023.01); H04W 4/40 (2018.01)
CPC H04W 72/20 (2023.01) [H04W 72/02 (2013.01); H04W 72/044 (2013.01); H04W 4/40 (2018.02)] 18 Claims
OG exemplary drawing
 
1. A resource reservation method, comprising:
obtaining a reservation resource limit, wherein the reservation resource limit is configured to limit a quantity of time-frequency resources reserved by a terminal;
determining, based on the reservation resource limit, time-frequency resources needing to be reserved for current transmission; and
sending sidelink control information, wherein the sidelink control information comprises information of the time-frequency resources needing to be reserved;
wherein determining, based on the reservation resource limit, the time-frequency resources needing to be reserved for the current transmission comprises:
determining whether or not a using condition of the reservation resource limit is met, wherein the using condition of the reservation resource limit comprises at least one of the following: a time-frequency resource used for transmission belongs to a set bandwidth, the time-frequency resource used for transmission belongs to a set sidelink transmission resource pool, the terminal is located in a set region, the terminal is a set terminal, or a priority of to-be-transmitted data belongs to a set priority; and
determining, based on the reservation resource limit, the time-frequency resources needing to be reserved for the current transmission in response to that the using condition of the reservation resource limit is met.