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    • 9. 发明授权
    • Apparatus and method for retransmission in wireless communication system
    • 无线通信系统中的重传装置及方法
    • US07978625B2
    • 2011-07-12
    • US12172872
    • 2008-07-14
    • Hyeong-Jong JuHee-Kwun ChoDae-Seok Choi
    • Hyeong-Jong JuHee-Kwun ChoDae-Seok Choi
    • H04L12/26
    • H04L1/1825H04L1/188H04L1/1887
    • An apparatus and a method for selectively retransmitting data according to a channel state in a wireless communication system are provided. The method includes determining retransmission information of a receiver from feedback information received from the receiver, determining a retransmission scheme for the receiver using the retransmission information of the receiver, and performing a retransmission process with the receiver according to the determined retransmission scheme. In a good channel state, the data is retransmitted using the retransmission scheme to thereby enhance the reliability of the data delivery and the reception performance. In a bad channel state, the data is not retransmitted to thereby reduce a waste of resources in the data retransmission.
    • 提供了一种用于在无线通信系统中根据信道状态选择性地重传数据的装置和方法。 该方法包括:从接收机接收到的反馈信息确定接收机的重传信息,使用接收机的重传信息确定接收机的重传方案,并根据确定的重发方案与接收机进行重传过程。 在良好的信道状态下,使用重传方式重发数据,从而提高数据传送的可靠性和接收性能。 在不良信道状态下,不重传数据,从而减少数据重传中的资源浪费。