| 摘要 |
<p>A base station apparatus (100) notifies a mobile station apparatus (110-K) of information (power ratio information) indicative of the ratio of the transmission power of a common known signal (common PL) included in a common control channel to the transmission power of a signal included in a downlink shared channel. The mobile station apparatus (110-K) precisely positions a determination point on the basis of the foregoing power ratio information and accurately effects a QAM demodulation.</p> |
