US 12,250,724 B2
Data transmission method and device, and computer storage medium
Mingju Li, Beijing (CN)
Assigned to Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
Appl. No. 17/788,728
Filed by Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
PCT Filed Dec. 25, 2019, PCT No. PCT/CN2019/128397
§ 371(c)(1), (2) Date Jun. 23, 2022,
PCT Pub. No. WO2021/128082, PCT Pub. Date Jul. 1, 2021.
Prior Publication US 2023/0015374 A1, Jan. 19, 2023
Int. Cl. H04W 74/0816 (2024.01); H04W 74/08 (2024.01); H04W 76/20 (2018.01)
CPC H04W 74/0816 (2013.01) [H04W 74/0866 (2013.01); H04W 76/20 (2018.02)] 18 Claims
OG exemplary drawing
 
1. A data transmission method, applied to a base station, comprising:
determining one or more listening frequency bands within an unlicensed frequency range; and
determining a frequency band type of at least one listening frequency band in the one or more listening frequency bands, the frequency band type comprising at least one of an uplink listening frequency band, a downlink listening frequency band, or an undefined listening frequency band, the downlink listening frequency band being used for downlink transmission, the uplink listening frequency band being used for uplink transmission, and the undefined listening frequency band being used for either uplink transmission or downlink transmission, and
wherein determining the frequency band type of the at least one listening frequency band in the one or more listening frequency bands comprises:
determining, in response to receiving a scheduling request sent by user equipment (UE), that the frequency band type of at least one listening frequency band in the one or more listening frequency bands is the uplink listening frequency band.