Patent ID: 11943026
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for obtaining channel state information (CSI), wherein the method comprises:
allocating, by a network device to a terminal device according to a preset rule, a transmission resource for transmitting a sounding reference signal (SRS) in a cell to which the terminal device belongs, wherein the preset rule includes allocating SRS transmission resources based on cell quantity, wherein transmission resources for transmitting SRSs in different cells do not overlap at all or partially overlap, and wherein the transmission resource comprises a time domain resource, a frequency domain resource, a carrier domain resource, or a code domain resource;
receiving, by the network device, the SRS transmitted by the terminal device on the allocated transmission resource; and
performing, by the network device, channel quality estimation based on the received SRS to obtain CSI.