| 摘要 |
The user apparatus is provided with a plurality of antennas, and transmits a reference signal in the uplink by switching the plurality of antennas. The plurality of antennas are associated with subframes transmitted in the uplink. The base station apparatus in a radio communication system to which transmission diversity is applied in the uplink includes: a reception level storing unit configured to store a measured reception level of the reference signal for each antenna of each user apparatus; and a scheduler configured to perform, based on the reception level of the reference signal transmitted for each antenna of each user apparatus stored in the reception level storing unit, scheduling for determining a user apparatus to be assigned to a subframe associated with the antenna.
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