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    • 5. 发明申请
    • METHOD OF PERFORMING HYBRID AUTOMATIC REPEAT REQUEST (HARQ) IN WIRELESS COMMUNICATION SYSTEM
    • 在无线通信系统中执行混合自动重复请求(HARQ)的方法
    • WO2009116754A2
    • 2009-09-24
    • PCT/KR2009001270
    • 2009-03-13
    • LG ELECTRONICS INCAHN JOON KUILEE DAEWONYUN YOUNG WOOKIM KI JUN
    • AHN JOON KUILEE DAEWONYUN YOUNG WOOKIM KI JUN
    • H04L1/18H04W72/04
    • H04L5/0091H04L1/1607H04L1/1812H04L1/1887H04L5/0007H04L5/0053H04L5/0064
    • A method of performing hybrid automatic repeat request (HARQ) performed by a user equipment (UE) in a wireless communication system is provided. The method includes receiving downlink assignements in a first subframe, a downlink assignment being transmitted based on a control channel element (CCE), the CCE being a logically indexed resource unit, receiving downlink data on a downlink shared channel in the first subframe, the downlink shared channel being assigned according to the downlink assignments, generating ACK/NACK signals which indicate successful or unsuccessful reception of the downlink data, and transmitting in a second subframe, the ACK/NACK signals by using uplink resources of a subset, the subset being mapped to the first subframe, at least one of the uplink resources being mapped to a plurality of CCEs in the first subframe. Limited resources for uplink feedback are effectively used to support HARQ operation.
    • 提供了一种在无线通信系统中执行由用户设备(UE)执行的混合自动重传请求(HARQ)的方法。 该方法包括在第一子帧中接收下行链路分配,基于控制信道元素(CCE)发送下行链路分配,该CCE是逻辑索引的资源单元,在第一子帧中的下行链路共享信道上接收下行链路数据,下行链路 共享信道根据下行链路分配被分配,生成指示下行链路数据的接收成功或不成功的ACK / NACK信号,并且通过使用子集的上行链路资源在第二子帧中发送ACK / NACK信号,该子集被映射 将第一子帧中的至少一个上行链路资源映射到第一子帧中的多个CCE。 用于上行链路反馈的有限资源被有效地用于支持HARQ操作。