US 12,137,451 B2
HARQ process handling for Multi-DCI Multi-TRP operation
Haitong Sun, Cupertino, CA (US); Dawei Zhang, Saratoga, CA (US); Wei Zeng, Saratoga, CA (US); Yushu Zhang, Beijing (CN); Jia Tang, San Jose, CA (US); Amir Farajidana, Cupertino, CA (US); and Wei Zhang, Santa Clara, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/441,593
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Jan. 15, 2021, PCT No. PCT/CN2021/072063
§ 371(c)(1), (2) Date Sep. 21, 2021,
PCT Pub. No. WO2022/151325, PCT Pub. Date Jul. 21, 2022.
Prior Publication US 2023/0362929 A1, Nov. 9, 2023
Int. Cl. H04W 72/1273 (2023.01); H04L 1/1812 (2023.01); H04W 72/232 (2023.01)
CPC H04W 72/1273 (2013.01) [H04L 1/1812 (2013.01); H04W 72/232 (2023.01)] 20 Claims
OG exemplary drawing
 
1. A wireless device, comprising:
at least one antenna;
at least one radio coupled to the at least one antenna; and
a processor coupled to the at least one radio;
wherein the processor is configured to:
receive a downlink control information transmission at least scheduling downlink hybrid automatic repeat request (HARQ) transmissions from a plurality of transmission reception points (TRPs),
wherein the downlink control information transmission comprises a HARQ process indicator, a TRP indicator, and a new data indicator for each HARQ process,
wherein HARQ processes corresponding to different TRPs of the plurality of TRPs have a same first HARQ process indicator assigned thereto, and wherein corresponding new data indicators for the HARQ processes indicate that data re-transmitted by the HARQ processes is different from each other; and
receive downlink HARQ transmissions from the plurality of TRPs in accordance with the downlink control information transmission.