| 摘要 |
Provided is a method for a MIMO TX mode feedback operation of a user terminal in a MIMO communication system. The user terminal receives allocation information about a feedback channel and a feedback period of a MIMO TX mode from the base station. The user terminal determines whether the current time point is the feedback period of the MIMO TX mode. The user terminal selects a first MIMO TX mode according to channel quality information of a signal received from the base station, at the feedback period of the MIMO TX mode. The user terminal detects a MIMO TX mode of first data received from the base station. The user terminal compares the selected first MIMO TX mode with the detected MIMO TX mode of the first data.
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