US 11,943,026 B2
Method for obtaining channel state information, apparatus, and computer storage medium
Zhaohong Song, Dongguan (CN); Dagang Zhang, Dongguan (CN); and Ji Xia, Dongguan (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on May 20, 2021, as Appl. No. 17/325,865.
Application 17/325,865 is a continuation of application No. PCT/CN2018/117452, filed on Nov. 26, 2018.
Prior Publication US 2021/0273710 A1, Sep. 2, 2021
Int. Cl. H04B 7/06 (2006.01); H04L 5/00 (2006.01); H04W 72/0453 (2023.01); H04W 28/02 (2009.01)
CPC H04B 7/0626 (2013.01) [H04L 5/0051 (2013.01); H04W 72/0453 (2013.01); H04W 28/0268 (2013.01); H04W 28/0278 (2013.01)] 19 Claims
OG exemplary drawing
 
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.