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    • 30. 发明申请
    • METHOD AND APPARATUS FOR PERFORMING A HARQ IN A WIRELESS COMMUNICATION SYSTEM
    • 用于在无线通信系统中执行HARQ的方法和设备
    • WO2011074910A3
    • 2011-10-27
    • PCT/KR2010009069
    • 2010-12-17
    • LG ELECTRONICS INCNOH MIN SEOKMOON SUNG HOCHUNG JAE HOONHAN SEUNG HEE
    • NOH MIN SEOKMOON SUNG HOCHUNG JAE HOONHAN SEUNG HEE
    • H04L1/18H04J11/00
    • H04L1/1861
    • The present invention provides a method and apparatus for performing a HARQ in a wireless communication system. In the method for performing a HARQ according to the present invention, a terminal transmits an uplink data over a PUSCH(Physical Uplink Shared Channel); and receives an ACK/NACK(Acknowledgement/Non-Acknowledgement) signal over PHICH(Physical Hybrid-ARQ Indicator Channel) corresponding to the PUSCH, with the signal indicating whether the uplink data is received through a plurality of layers. Here, downlink resources to which a PHICH is mapped for each of the plurality of layers do not overlap each other. Those downlink resources to which a PHICH is mapped for each of the plurality of layers can be determined based on different cyclic shift values that are allocated to the plurality of the layers, respectively.
    • 本发明提供了用于在无线通信系统中执行HARQ的方法和设备。 在根据本发明的用于执行HARQ的方法中,终端通过PUSCH(物理上行链路共享信道)发送上行链路数据; 并通过与PUSCH对应的PHICH(物理混合ARQ指示符信道)接收ACK / NACK(确认/未确认)信号,该信号指示是否通过多个层接收上行链路数据。 这里,针对多个层中的每个层映射PHICH的下行链路资源彼此不重叠。 可以基于分别分配给多个层的不同循环移位值来确定针对多个层中的每个层映射PHICH的那些下行链路资源。