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    • 4. 发明申请
    • LLR COMBINING METHOD AND APPARATUS FOR HARQ IN WIRELESS COMMUNICATION SYSTEM
    • 用于无线通信系统中的HARQ的LLR组合方法和装置
    • US20100202572A1
    • 2010-08-12
    • US12700589
    • 2010-02-04
    • Seul Ki BAEJoo Hyun LEESung Hwan KIM
    • Seul Ki BAEJoo Hyun LEESung Hwan KIM
    • H04L27/06
    • H04L1/1845
    • A Log-Likelihood Ratio (LLR) combining method and apparatus for Hybrid Automatic Repeat Request (HARQ) in a wireless communication system for reducing a number of the LLR bits of previous packet stored for LLR combining are provided. The LLR combining apparatus includes an LLR combiner for combining a first LLR of a currently received packet and a second LLR of a previously received packet, an LLR buffer for storing the second LLR and a first packet exponent for recovering the second LLR in the same size as the first LLR, and an HARQ controller for determining whether the currently received packet is a retransmission packet or an initial transmission packet, and for controlling the LLR combiner to generate a third LLR by combining the first and second LLRs for the retransmission packet and to bypass the initial transmission packet.
    • 提供了一种用于减少用于LLR组合存储的先前分组的LLR比特数的无线通信系统中用于混合自动重传请求(HARQ)的对数似然比(LLR)组合方法和装置。 LLR组合装置包括用于组合当前接收分组的第一LLR和先前接收分组的第二LLR的LLR组合器,用于存储第二LLR的LLR缓冲器和用于恢复相同大小的第二LLR的第一分组指数 作为第一LLR,以及HARQ控制器,用于确定当前接收到的分组是重发分组还是初始传输分组,并且用于通过组合用于重传分组的第一和第二LLR来控制LLR组合器来生成第三LLR,并且 绕过初始传输包。