US 12,081,480 B2
Multiple-input, multiple-output (MIMO) enhancements for high speed travel
Haitong Sun, Irvine, CA (US); Chunhai Yao, Beijing (CN); Chunxuan Ye, San Digeo, CA (US); Dawei Zhang, Saratoga, CA (US); Hong He, Cupertino, CA (US); Huaning Niu, San Jose, CA (US); Jie Cui, San Jose, CA (US); Oghenekome Oteri, San Diego, CA (US); Wei Zeng, San Diego, CA (US); Weidong Yang, San Diego, CA (US); Yang Tang, Cupertino, CA (US); and Yushu Zhang, Beijing (CN)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/437,641
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Oct. 2, 2020, PCT No. PCT/CN2020/119781
§ 371(c)(1), (2) Date Sep. 9, 2021,
PCT Pub. No. WO2022/067847, PCT Pub. Date Apr. 7, 2022.
Prior Publication US 2023/0133979 A1, May 4, 2023
Int. Cl. H04W 72/20 (2023.01); H04B 7/024 (2017.01); H04L 5/00 (2006.01)
CPC H04L 5/0051 (2013.01) [H04B 7/024 (2013.01); H04W 72/20 (2023.01)] 19 Claims
OG exemplary drawing
 
1. A method, comprising:
transmitting, from a first transmission and reception point (TRP) to a user equipment device (UE), a media access control (MAC) control element (CE) indicating, for a first control resource set (CORESET), a first transmission configuration indication (TCI) state and a second TCI state;
transmitting, from the first TRP to the UE, first control information in a first physical downlink control channel (PDCCH) transmission according to the first TCI state during a first symbol in the first CORESET; and
transmitting, from a second TRP to the UE, second control information in a second PDCCH transmission according to the second TCI state during the first symbol in the first CORESET, wherein the second control information is a copy of the first control information.