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    • 76. 发明公开
    • METHOD FOR RETRANSMITTING DATA IN THE MULTI-CARRIER SYSTEM AND FOR DETECTING NACK-TO-ACK ERRORS
    • 用于在多载波系统中重新发送数据以及用于检测NACK至ACK错误的方法
    • EP3223448A1
    • 2017-09-27
    • EP17159946.7
    • 2007-10-02
    • LG Electronics Inc.
    • LEE, Dae WonKIM, Hak SeongKIM, Ki JunYOON, Suk HyonAHN, Joon KuiYUN, Young WooKIM, Eun Sun
    • H04L1/18H04L27/26H04L1/16H04L1/12H04W72/04H04W72/12H04W72/14
    • H04L1/1671H04L1/1819H04L1/1874H04L1/1887H04L27/2601H04L2001/125
    • A method for retransmitting uplink data in a multi carrier system, comprising:
      - receiving a first grant message including first scheduling information for transmitting uplink data and a first new data indicator, NDI, indicating that the uplink data is new data;
      - transmitting the uplink data using the first scheduling information;
      - receiving an acknowledgement message representing whether the uplink data is successfully received or not; and
      - adaptively retransmitting the uplink data by using second scheduling information, if a second grant message is received after the acknowledgement message has been received, the second grant message including the second scheduling information for the uplink data retransmission and a second NDI indicating a retransmission; or
      - non-adaptively retransmitting the uplink data by using the first scheduling information, if the second grant message is not received after the acknowledgement message has been received and the acknowledgement message is NACK signal.
    • 一种用于在多载波系统中重发上行链路数据的方法,包括: - 接收包括用于发送上行链路数据的第一调度信息的第一许可消息和指示所述上行链路数据是新数据的第一新数据指示符NDI; - 使用第一调度信息发送上行链路数据; - 接收表示上行数据是否被成功接收的确认消息; 以及 - 如果在接收到确认消息之后接收到第二授权消息,则通过使用第二调度信息自适应地重传上行链路数据,第二授权消息包括用于上行链路数据重传的第二调度信息和指示重传的第二NDI; 或者 - 如果在接收到确认消息并且确认消息是NACK信号之后没有接收到第二授权消息,则通过使用第一调度信息非自适应地重传上行链路数据。