US 11,722,192 B2
Interference measurement method, user equipment and network side device
Qiubin Gao, Beijing (CN); Runhua Chen, Beijing (CN); and Rakesh Tamrakar, Beijing (CN)
Assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
Appl. No. 16/651,985
Filed by CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY, Beijing (CN)
PCT Filed Sep. 19, 2018, PCT No. PCT/CN2018/106443
§ 371(c)(1), (2) Date Mar. 27, 2020,
PCT Pub. No. WO2019/062617, PCT Pub. Date Apr. 4, 2019.
Claims priority of application No. 201710911276.9 (CN), filed on Sep. 29, 2017.
Prior Publication US 2020/0266865 A1, Aug. 20, 2020
Int. Cl. H04B 7/06 (2006.01); H04B 17/345 (2015.01); H04L 5/00 (2006.01); H04W 24/10 (2009.01)
CPC H04B 7/0626 (2013.01) [H04B 17/345 (2015.01); H04L 5/0005 (2013.01); H04L 5/0057 (2013.01); H04W 24/10 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An interference measurement method, comprising:
receiving, by a User Equipment (UE), configuration information about an interference measurement reference signal resource and an interference measurement parameter from a network side device;
receiving, by the UE, an interference measurement reference signal on the interference measurement reference signal resource based on the configuration information; and
calculating, by the UE, an interference estimation value of an interference signal based on the interference measurement parameter and the interference measurement reference signal;
wherein
the interference measurement parameter is indication information about at least one matrix in at least two Np*Np matrices; or
the interference measurement parameter is indication information about n antenna ports in Np antenna ports, the n antenna ports indicated by the interference measurement parameter are determined as antenna ports for the interference measurement, the indication information about n antenna ports identifies specific antenna ports which are used for the interference measurement, where 0<n≤Np; or
the interference measurement parameter is indication information about k vectors in Np vectors having a dimension of Np*1, merely one element in each vector having a non-zero value, the other elements in the vector each having a value of zero, where k is an integer greater than or equal to 1; or
the interference measurement parameter is indication information about at least one matrix in Q matrices, the Q matrices comprising matrices having dimensions of Np*1, Np*2, Np*3, . . . , Np*Q respectively, Q≤Np, merely one element in each column of each matrix having a non-zero value and the other elements in the column of the matrix having a value of zero, or merely one element in each column of each matrix having a non-zero value, the other elements in the column of the matrix having a value of zero, and merely one element in each row of each matrix having a non-zero value, and the other elements in the row of the matrix having a value of zero,
wherein Np represents the quantity of transmission antenna ports for the interference measurement reference signal;
wherein the calculating, by the UE, the calculating, by the UE, the interference estimation value of the interference signal based on the interference measurement parameter and the interference measurement reference signal comprises:
determining, by the UE, a correlation matrix for the reception of the interference signal based on the interference measurement parameter and the interference measurement reference signal, and calculating the interference estimation value of the interference signal using the correlation matrix for the reception of the interference signal.