摘要 |
A base station includes a group determination unit grouping mobile stations residing within a cell and a radio channel condition reception unit receiving information indicative of a radio channel condition transmitted from a mobile station at a transmission timing of the radio channel condition corresponding to a group associated with the mobile station. Each mobile station includes a radio channel condition measurement unit evaluating a radio channel condition, a group determination unit determining a group associated with the mobile station, and a radio channel condition transmission unit transmitting information indicative of the evaluated radio channel condition at a transmission timing of the radio channel condition corresponding to the associated group. |