ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,851, issued on May 26, was assigned to Beijing Xiaomi Mobile Software Co. Ltd. (Beijing).

"Method and apparatus for sending HARQ-ACK, method and apparatus for receiving HARQ-ACK, device, and storage medium" was invented by Ting Fu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for sending a HARQ-ACK is performed by a user equipment, and includes: determining a first slot set and a second slot set, wherein the first slot set includes slots corresponding to multi-TTI PDSCHs, and the second slot set includes slots in a feedback window corresponding to a HARQ-ACK codebook and the HARQ-ACK codebook is included in a PUCCH for feeding back...