CHANNEL QUALITY INDICATOR FEEDBACK ENHANCEMENT METHOD, DEVICE AND SYSTEM, USER EQUIPMENT, AND BASE STATION

摘要

Embodiments of the present invention provide a CQI feedback enhancement method, device and system, UE, and a base station. The CQI feedback enhancement method comprises: a base station sending downlink service data to UE; the UE decoding the downlink service data; when the decoding of the downlink service data results in an error, sending first information to the base station, the first information comprising an NACK indication and an aperiodic CQI, or comprising one of a plurality of NACK states, wherein different NACK states correspond to different CQIs; and the base station receiving the first information.