| 摘要 |
A radio communication method is provided for reducing the overhead of radio resources (transmission power, transmission time, frequency band) caused by the transmission of a control signal to a mobile station in a poor propagation environment and thus enabling an improvement of throughput of the entire system. A base station (101) and mobile stations (111 and 112) are connected to allow communication by way of radio links in which a control channel and data channel can be set on each of downlinks and uplinks. The base station (101) uses the control channel to transmit a control signal to the mobile stations (111 and 112). The mobile stations (111 and 112), based on the control signal received from the base station (101), use a data channel to transmit or receive data. The base station (101) alters the amount of information of the control signal in accordance with communication conditions of the propagation paths of the radio links formed with the mobile stations (111 and 112).
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