| 摘要 |
<p>The prevent invention relates to a device for feeding back channel status information, which can select the index of the first matrix that represents the beam pattern of the entire band from the pre-coding code-book with horizontal components, a plurality of the indexes of the second matrix that represent each beam pattern of the sub band of the entire band respectively corresponding to the polarity and then select the index of third matrix that represent the vertical beam pattern for the sub band from the pre-coding code-book with vertical components and then feedback the selected indexes.</p> |
