US 12,407,387 B2
Information acquisition method and apparatus, device, and storage medium
Yong Li, Shenzhen (CN); Hao Wu, Shenzhen (CN); Guozeng Zheng, Shenzhen (CN); and Zhaohua Lu, Shenzhen (CN)
Assigned to ZTE CORPORATION, Shenzhen (CN)
Appl. No. 17/791,082
Filed by ZTE CORPORATION, Shenzhen (CN)
PCT Filed Dec. 30, 2020, PCT No. PCT/CN2020/141220
§ 371(c)(1), (2) Date Jul. 6, 2022,
PCT Pub. No. WO2021/139577, PCT Pub. Date Jul. 15, 2021.
Claims priority of application No. 202010014775.X (CN), filed on Jan. 7, 2020.
Prior Publication US 2023/0029296 A1, Jan. 26, 2023
Int. Cl. H04B 7/06 (2006.01); H04L 5/00 (2006.01)
CPC H04B 7/0626 (2013.01) [H04L 5/0048 (2013.01); H04L 5/0094 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An information acquisition method, applied to a first communication node, comprising:
determining first configuration information of a channel state information (CSI) report, wherein the first configuration information comprises a channel state information reference signal (CSI-RS) resource associated with the CSI report and a sounding reference signal (SRS) resource associated with the CSI report, the CSI-RS resource is configured for carrying a channel state information reference signal, and the SRS resource is configured for carrying a sounding reference signal;
sending the first configuration information to a second communication node;
receiving the CSI report fed back by the second communication node, wherein the CSI report is generated according to a measurement performed on the channel state information reference signal carried in the CSI-RS resource; and
obtaining channel state information corresponding to the CSI report according to the CSI report,
wherein two dimensions in the CSI-RS resource correspond to two dimensions of a precoding matrix in the CSI report;
wherein the two dimensions in the CSI-RS resource comprise a code-division multiplexing group and a code sequence used by each port on the code-division multiplexing group to perform code-division multiplexing; and
wherein the two dimensions of the precoding matrix in the CSI report comprise a spatial domain beam vector and a frequency domain precoding code word.