Fish & Richardson P.C.
Method for measuring and feeding back channel state information, user equipment, and base station
The present disclosure relates to a method for measuring and feeding back channel state information. In one example method, a user equipment (UE) receives a first channel state information report type configured by a base station and K channel state information-reference signal (CSI-RS) resources transmitted by the base station. The UE determines, according to the first channel state information report type, at least one of a rank indication (RI) and a beamforming indication (BI) on S subbands of a wideband on which the K CSI-RS resources are transmitted. The UE calculates a channel quality indicator (CQI) on the S subbands The UE reports the determined at least one of the RI and the BI, and the calculated CQI on a physical uplink control channel (PUCCH) by using a report.
Huawei Technologies Co., Ltd.
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Jianqin
Liu