US 11,943,027 B2
Channel state information transmission method and apparatus
Di Zhang, Shenzhen (CN); and Kunpeng Liu, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed on Jul. 9, 2021, as Appl. No. 17/371,425.
Application 17/371,425 is a continuation of application No. PCT/CN2020/070813, filed on Jan. 8, 2020.
Claims priority of application No. 201910024776.X (CN), filed on Jan. 10, 2019.
Prior Publication US 2021/0351825 A1, Nov. 11, 2021
Int. Cl. H04B 7/06 (2006.01); H04B 17/309 (2015.01)
CPC H04B 7/0626 (2013.01) [H04B 17/309 (2015.01)] 10 Claims
OG exemplary drawing
 
1. A channel state information transmission method, comprising:
receiving N reference signal groups and configuration information, wherein N is an integer greater than or equal to 2, wherein the configuration information indicates that the N reference signal groups comprise M channel measurement reference signal groups and N-M interference measurement reference signal groups, and wherein M is a positive integer less than N;
determining a first reference signal in the M reference signal groups; and
determining a second reference signal in the N-M reference signal groups based on the first reference signal, wherein the first reference signal and the second reference signal are reference signals in different groups in the N reference signal groups; and
sending channel state information, wherein the channel state information comprises a first resource index, a second resource index, and first channel quality information, the first resource index is a resource index of the first reference signal, the second resource index is a resource index of the second reference signal, and the first channel quality information is obtained by using the first reference signal as a signal and the second reference signal as interference.