| 摘要 |
According to an aspect of the present invention, there is provided with a base station which communicates with radio terminals through time frames for transmission by using a plurality of frequency channels, including: a reception section configured to receive communication quality information indicating communication quality of one or more frequency channels from each the radio terminal; a scheduling section configured to schedule frequency channels to be assigned to the respective radio terminals based on the communication quality information received from the respective radio terminals; a signal generation section configured to generate assignment status signals indicating whether or not respective frequency channels are already assigned in a second time frame next to a first time frame; and a reporting section configured to report the assignment status signals for the frequency channels to each the radio terminal through the first time frame
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