US 12,295,042 B2
Communication method and apparatus
Chunhua You, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Jul. 12, 2022, as Appl. No. 17/863,150.
Application 17/863,150 is a continuation of application No. PCT/CN2020/071847, filed on Jan. 13, 2020.
Prior Publication US 2022/0353921 A1, Nov. 3, 2022
Int. Cl. H04W 4/00 (2018.01); H04W 74/08 (2009.01); H04W 74/0833 (2024.01)
CPC H04W 74/0833 (2013.01) [H04W 74/0866 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A communication method, wherein the method comprises:
sending a random access request to a network device;
receiving a random access response to the random access request, wherein the random access response comprises first indication information and second indication information, wherein the second indication information indicates a duration of a cyclic prefix extension;
sending an uplink message to the network device based on the first indication information, wherein the uplink message is carried on a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH); and
wherein the first indication information indicates that a channel access type is channel access without random back-off or channel access with random back-off with variable size of contention window.