US 12,452,919 B2
Data transmission method and apparatus, and electronic device
Ting Fu, Beijing (CN)
Assigned to Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
Filed by Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
Filed on May 12, 2023, as Appl. No. 18/196,976.
Application 18/196,976 is a continuation in part of application No. PCT/CN2020/128803, filed on Nov. 13, 2020.
Prior Publication US 2023/0284270 A1, Sep. 7, 2023
Int. Cl. H04W 74/0808 (2024.01)
CPC H04W 74/0808 (2013.01) 20 Claims
OG exemplary drawing
 
1. A data transmission method, being applicable in a no-Listen-Before-Talk (no-LBT) channel access scene over an unlicensed frequency band, the method comprising:
releasing a first channel in response to a Channel Occupy Time (COT) for a currently occupied first channel reaching a Maximum Channel Occupy Time (MCOT) of the first channel;
obtaining, in response to a data transmission instruction, a first gap between an estimated start moment of a data transmission and a release moment for the first channel; and
occupying, in response to the first gap reaching a first predetermined time length, a second channel for the data transmission.