US 11,705,993 B2
Semi-static HARQ-ACK codebook enhancements for NR-U
Mostafa Khoshnevisan, San Diego, CA (US); Jing Sun, San Diego, CA (US); Kapil Bhattad, Bangalore (IN); and Xiaoxia Zhang, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Mar. 20, 2020, as Appl. No. 16/825,364.
Claims priority of application No. 201941012482 (IN), filed on Mar. 29, 2019.
Prior Publication US 2020/0313803 A1, Oct. 1, 2020
Int. Cl. H04L 1/1812 (2023.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01)
CPC H04L 1/1812 (2013.01) [H04W 72/21 (2023.01); H04W 72/23 (2023.01)] 21 Claims
OG exemplary drawing
 
1. A method of wireless communication comprising:
identifying, by a user equipment (UE), a window for providing acknowledgement feedback in a Physical Uplink Control Channel (PUCCH);
identifying, by the UE, possible Physical Downlink Shared Channel (PDSCH) occasions of the window based on at least a set of feedback timing delay values and a set of Time Domain Resource Allocation (TDRA) candidates;
identifying, by the UE, one or more channel occupancy times (COTs) of multiple COTs of the window; and
generating, by the UE, a feedback codebook for the window, the feedback codebook having a size based on acknowledgement feedback for first possible PDSCH occasions that occur during the identified one or more COTs of the window of the possible PDSCH occasions of the window.