US 12,278,680 B2
Channel state information reference signal transmission method and apparatus
Yong Li, Shenzhen (CN); Hao Wu, Shenzhen (CN); Zhaohua Lu, Shenzhen (CN); and Yuxin Wang, Shenzhen (CN)
Assigned to ZTE CORPORATION, Shenzhen (CN)
Appl. No. 17/796,752
Filed by ZTE Corporation, Shenzhen (CN)
PCT Filed Mar. 23, 2021, PCT No. PCT/CN2021/082386
§ 371(c)(1), (2) Date Aug. 1, 2022,
PCT Pub. No. WO2021/203961, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 202010281611.3 (CN), filed on Apr. 10, 2020.
Prior Publication US 2024/0030976 A1, Jan. 25, 2024
Int. Cl. H04B 7/06 (2006.01)
CPC H04B 7/0626 (2013.01) 18 Claims
OG exemplary drawing
 
1. A Channel State Information Reference Signal (CSI-RS) transmission method, comprising:
transmitting configuration information to a terminal, wherein the configuration information comprises the number of Resource Blocks (RB) in an A-type RB group, and the A-type RB group comprises consecutive RBs for carrying all ports of CSI-RS, wherein the A-type RB groups are equal in spacing or equal in position difference in a frequency domain range of transmitting the CSI-RS; and
transmitting the CSI-RS to the terminal according to the configuration information.