US 12,477,539 B2
Sidelink resource mapping method, sidelink resource transmission method, network device, and terminal device
Zichao Ji, Chang'an Dongguan (CN); Xueming Pan, Chang'an Dongguan (CN); Huaming Wu, Chang'an Dongguan (CN); Shuyan Peng, Chang'an Dongguan (CN); Siqi Liu, Chang'an Dongguan (CN); Shixiao Liu, Chang'an Dongguan (CN); and Wei Jiang, Chang'an Dongguan (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Chang'an Dongguan (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Guangdong (CN)
Filed on Feb. 8, 2022, as Appl. No. 17/667,500.
Application 17/667,500 is a continuation of application No. PCT/CN2020/107052, filed on Aug. 5, 2020.
Claims priority of application No. 201910736259.5 (CN), filed on Aug. 9, 2019.
Prior Publication US 2022/0167340 A1, May 26, 2022
Int. Cl. H04W 72/20 (2023.01)
CPC H04W 72/20 (2023.01) 18 Claims
OG exemplary drawing
 
1. A sidelink resource transmission method, comprising:
based on an index number of a target physical sidelink transmission channel resource, obtaining, by a terminal device, from a preset mapping relationship an index number of a physical sidelink feedback channel (PSFCH) resource that corresponds to the index number of the target physical sidelink transmission channel resource; and
transmitting feedback information on a target PSFCH resource, wherein the PSFCH resource comprises the target PSFCH resource, and the index number of the PSFCH resource that corresponds to the index number of the target physical sidelink transmission channel resource comprises an index number of the target PSFCH resource, wherein
the preset mapping relationship comprises a preconfigured mapping relationship between index numbers of PSFCH resources and index numbers of physical sidelink transmission channel resources, the index numbers of the physical sidelink transmission channel resources are set according to a first preset order of a first resource factor, the index numbers of the PSFCH resources are set according to a second preset order of a second resource factor, and the target physical sidelink transmission channel resource is a physical sidelink transmission channel resource corresponding to received information;
wherein the preset mapping relationship is used for the terminal device to select the target PSFCH resource whose index number corresponds to the index number of the target physical sidelink transmission channel resource;
wherein the first resource factor comprises a time-domain factor and/or a frequency-domain factor; and
in a case that the first resource factor comprises the time-domain factor, the first preset order comprises an ascending order of time-domain unit numbers or a descending order of the time-domain unit numbers;
or
in a case that the first resource factor comprises the frequency-domain factor, the first preset order comprises an ascending order of frequency-domain unit numbers or a descending order of the frequency-domain unit numbers;
or
in a case that the first resource factor comprises the time-domain factor and the frequency-domain factor, the first preset order comprises the ascending order of the frequency-domain unit numbers or the descending order of the frequency-domain unit numbers on a basis of the ascending order of the time-domain unit numbers or the descending order of the time-domain unit numbers;
or
in a case that the first resource factor comprises the time-domain factor and the frequency-domain factor, the first preset order comprises the ascending order of the time-domain unit numbers or the descending order of the time-domain unit numbers on a basis of the ascending order of the frequency-domain unit numbers or the descending order of the frequency-domain unit numbers;
wherein the second resource factor comprises a frequency-domain factor and/or a code-domain factor; and
in a case that the second resource factor comprises the frequency-domain factor, the second preset order comprises an ascending order of frequency-domain unit numbers or a descending order of the frequency-domain unit numbers;
or
in a case that the second resource factor comprises the code-domain factor, the second preset order comprises an ascending order of extremum numbers corresponding to a code sequence or a descending order of the extremum numbers corresponding to the code sequence, wherein the extremum numbers comprise the smallest number and/or the largest number;
or
in a case that the second resource factor comprises the frequency-domain factor and the code-domain factor, the second preset order comprises the ascending order of the extremum numbers corresponding to the code sequence or the descending order of the extremum numbers corresponding to the code sequence on a basis of the ascending order of the frequency-domain unit numbers or the descending order of the frequency-domain unit numbers;
or
in a case that the second resource factor comprises the frequency-domain factor and the code-domain factor, the second preset order comprises the ascending order of the frequency-domain unit numbers or the descending order of the frequency-domain unit numbers on a basis of the ascending order of the extremum numbers corresponding to the code sequence or the descending order of the extremum numbers corresponding to the code sequence.