Patent ID: 11882075
Assignee: ZTE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An information feedback method, applied to a first node, comprising:
receiving a report configuration sent by a second node;
determining channel state information according to the report configuration, wherein the channel state information comprises a reference signal, and the reference signal satisfies a grouping criterion associated with the report configuration; and
feeding the channel state information back to the second node through a report instance;
wherein the channel state information further comprises at least one of grouping information, a reference signal receiving power (RSRP), or a signal to interference plus noise ratio (SINR);
wherein in a case where the report configuration comprises a feedback using the RSRP and a beam grouping criterion, the determining the channel state information comprises:
creating N groups and setting an integer parameter i to 0, wherein N is an integer greater than or equal to 1;
determining, from an RSRP set, user antenna panels having top S RSRPs and reference signals having the top S RSRPs, where S is an integer;
determining the reference signals having the top S RSRPs to be an ith reference signal set, denoted as Ki, under an ith group, and determining the user antenna panels having the top S RSRPs to be an ith antenna panel set, denoted as Li;
in a case where the parameter i is less than N−1, removing an element in the RSRP set that is associated with the reference signals having the top S RSRPs and with the user antenna panels having the top S RSRPs to obtain an updated RSRP set; setting i to i+1, and returning to execution of determining, from the RSRP set, the user antenna panels having the top S RSRPs and the reference signals having the top S RSRPs; and
in a case where the parameter i is equal to N−1, outputting the N groups.