| 摘要 |
PROBLEM TO BE SOLVED: To provide a terminal machine for a multiple polarization, multiple input/output system and its operation method, and a base station and its operation method.SOLUTION: A terminal machine includes a codebook storage section which stores information associated with a codebook, a selection section which selects an object matrix from the stored information associated with the codebook, and an information transmission section which feeds information associated with the object matrix back to a base station, and the base station includes a codebook storage section which stores the information associated with the codebook, an information reception section which receives the information associated with the matrix selected by the terminal machine, a matrix selection section which selects a precoding matrix on the basis of the information associated with the selected matrix, and a precoder which precodes a data stream to be transmitted using the selected precoding matrix. |
