| 摘要 |
A sub-carrier frequency block forming a wireless resource is assigned to a downlink transmission data by a scheduling (schedule processing) based on a wireless communication method dynamically utilizing the wireless resource among a plurality of users. Sub-frame data of the sub-carrier frequency block assigned is transmitted and a retransmission request signal received in response to the transmitting is recorded as an error detection. When the error detection recorded consecutively occurs at a specific sub-carrier frequency block, it is determined that a fault occurs at the specific sub-carrier frequency block. For uplink reception data, uplink sub-frame data is received at the sub-carrier frequency block similarly assigned and an error detection is recorded. When the error detection recorded consecutively occurs at the specific sub-carrier frequency block, it is determined that a fault occurs at the specific sub-carrier frequency block.
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