US 12,328,770 B2
Method and apparatus for transmitting random access signal
Huang Huang, Shenzhen (CN); and Mao Yan, Chengdu (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Sep. 30, 2022, as Appl. No. 17/957,905.
Application 17/957,905 is a continuation of application No. PCT/CN2020/084021, filed on Apr. 9, 2020.
Prior Publication US 2023/0043012 A1, Feb. 9, 2023
Int. Cl. H04W 74/0833 (2024.01); H04W 74/00 (2009.01)
CPC H04W 74/0833 (2013.01) [H04W 74/002 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method for transmitting a random access signal, comprising:
receiving configuration information, wherein the configuration information indicates a random access preamble length, a random access signal subcarrier spacing, and a data subcarrier spacing;
determining a subcarrier quantity parameter k based on at least one of the random access preamble length, the random access signal subcarrier spacing, or the data subcarrier spacing, wherein at least one of a value of the random access signal subcarrier spacing is 120 kHz, and a value of the data subcarrier spacing is any one of 240 kHz, 480 kHz, 960 kHz, 1920 kHz, 3840 kHz, or a value of the random access signal subcarrier spacing is 480 kHz, and a value of the data subcarrier spacing is any one of 120 kHz, 240 kHz, 480 kHz, 960 kHz, 1920 kHz, 3840 kHz, or a value of the random access signal subcarrier spacing is 960 kHz, wherein a value of the data subcarrier spacing is any one of 120 kHz, 240 kHz, 480 kHz, 960 kHz, 1920 kHz, 3840 kHz;
generating a random access signal based on the subcarrier quantity parameter k; and
sending the random access signal.