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    • 6. 发明申请
    • Supporting hybrid automatic retransmission request in orthogonal frequency division multiplexing access radio access system
    • 在正交频分复用接入无线接入系统中支持混合自动重传请求
    • US20060195767A1
    • 2006-08-31
    • US11319305
    • 2005-12-27
    • Bin IhmChang LeeYong JinJin Chun
    • Bin IhmChang LeeYong JinJin Chun
    • H03M13/00
    • H04L1/1819H04L1/0656H04L1/1607H04L1/1845H04L5/023
    • A method of supporting a hybrid automatic retransmission request (HARQ) in an orthogonal frequency division multiplexing access (OFDMA) radio access system is disclosed. Preferably, the method comprises receiving a downlink data frame comprising a data map information element and a data burst comprising a plurality of layers, wherein each layer is encoded with a corresponding channel encoder, and wherein the data map information element is configured to support multiple antennas to achieve space time transmit diversity by providing control information associated with each one of the plurality of layers, wherein the control information comprises allocation of acknowledgement status channels corresponding to the plurality of layers, and transmitting in an uplink data frame a plurality of acknowledgement status, each acknowledgement status being associated with whether a corresponding layer of the plurality of layers is properly decoded.
    • 公开了一种在正交频分复用接入(OFDMA)无线电接入系统中支持混合自动重传请求(HARQ)的方法。 优选地,所述方法包括接收包括数据映射信息元素和包括多个层的数据突发的下行链路数据帧,其中每个层被对应的信道编码器编码,并且其中所述数据映射信息元素被配置为支持多个天线 通过提供与所述多个层中的每一层相关联的控制信息来实现空间时间发射分集,其中所述控制信息包括对应于所述多个层的确认状态信道的分配,以及在上行链路数据帧中发送多个确认状态, 每个确认状态与所述多个层的对应层是否被适当地解码相关联。