| 摘要 |
An uplink HARQ method in a transparent relay network is provided. When a base station does not successfully receive uplink data sent from a mobile terminal to the base station, if a relay station has successfully received the uplink data sent by the mobile terminal, response acknowledgment information representing that the relay station has successfully received the uplink data sent by the mobile terminal is sent to the mobile terminal, so that the mobile terminal learns in time that the relay station has successfully received the uplink data sent from the mobile terminal to the base station. Meanwhile, negative-acknowledgment response information is returned to the relay station, and the relay station performs subsequent uplink data retransmission, which avoids unnecessary retransmission of the mobile terminal, thereby decreasing retransmission times of the mobile terminal and further reducing power consumption of the mobile terminal.
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