| 摘要 |
A communication system for performing cooperative communications wherein adaptive control can be effectively performed mainly with respect to a pre-coding process. There are included the steps of, in an anchor base station (1201), generating a first transmission path status measurement reference signal; deciding, based on feedback information, a precoding process of a data signal to be transmitted to a mobile terminal (1203); and adaptively precoding the data signal on the basis of the decided precoding process. There are further included the steps of, in a cooperative base station (1202), generating a second transmission path status measurement reference signal; and performing a predetermined precoding process of the data signal to be transmitted to the mobile terminal (1203). There is still further included a step of, in the mobile terminal (1203), generating the feedback information on the basis of first and second transmission path statuses measured.
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