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RADIO APPARATUS, RADIO COMMUNICATION SYSTEM, SPATIAL PATH CONTROL METHOD, AND SPATIAL PATH CONTROL PROGRAM
RADIO APPARATUS, RADIO COMMUNICATION SYSTEM, SPATIAL PATH CONTROL METHOD, AND SPATIAL PATH CONTROL PROGRAM
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机译:无线电设备,无线电通信系统,空间路径控制方法和空间路径控制程序
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摘要
In an MIMO mobile communication system allowing a PDMA base station to communicate with a single terminal through a plurality of paths the terminal and the base station are each responsive to information of communication quality of a spatial path detected as having a reception error to appropriately control switching the path's communication operation between a plurality of types of operations. In a first operation, only a single path remains and the other paths are disconnected. In a second operation, path diversity is effected. In a third operation, path's modulation level is reduced. These operations are performed by a DSP. If in the MIMO system paths' mutual interference occurs the terminal and base station can still maintain connection.
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