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    • 4. 发明授权
    • Wireless communication method and system for detecting and correcting transmission errors
    • 用于检测和纠正传输错误的无线通信方法和系统
    • US07124350B2
    • 2006-10-17
    • US10431089
    • 2003-05-07
    • Yi-Ju ChaoStephen G. DickJames M. Miller
    • Yi-Ju ChaoStephen G. DickJames M. Miller
    • H03M13/35H03M13/03
    • H04L1/0026H04L1/1671H04L1/1812H04L2001/125
    • A wireless communication method and system for detecting and correcting transmission errors. The system includes at least one wireless transmit/receive unit (WTRU) in communication with a Node B. The Node B sends a transmission signal (e.g., containing a protocol data unit (PDU)) to the WTRU. The WTRU generates a revert message having a first field and a second field to indicate whether the transmission signal was successfully received at the WTRU. The WTRU inserts a negative acknowledgement (NACK) message or positive acknowledgement (ACK) message into the first field and inserts a respective channel quality identifier (CQI) value corresponding to a worst or best possible value of CQI into the second field. The WTRU transmits the revert message to the Node B which compares the contents of the first and second fields. The Node B resends the transmission signal to the WTRU if the contents of the first and second fields are not logically consistent.
    • 一种用于检测和校正传输错误的无线通信方法和系统。 该系统包括与节点B通信的至少一个无线发射/接收单元(WTRU)。节点B向WTRU发送传输信号(例如,包含协议数据单元(PDU))。 WTRU产生具有第一字段和第二字段的恢复消息,以指示传输信号是否在WTRU处被成功接收。 WTRU将否定确认(NACK)消息或肯定确认(ACK)消息插入到第一字段中,并将对应于CQI的最坏或最佳可能值的相应信道质量标识符(CQI)值插入到第二字段中。 WTRU将还原消息发送到节点B,节点B比较第一和第二字段的内容。 如果第一和第二字段的内容在逻辑上不一致,则节点B将发送信号重新发送到WTRU。