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    • 3. 发明公开
    • ADAPTIVE QUANTIZATION OF DECISION METRICS IN A WIRELESS RECEIVER
    • EANEM DRAHTLOSENEMPFÄNGER中的自适应量子化合物
    • EP2596606A1
    • 2013-05-29
    • EP11743684.0
    • 2011-07-13
    • Qualcomm Incorporated
    • WILBORN, Thomas, B.BANISTER, Brian, C.YUN, SunghoBHATTACHARJEE, SupratikKANG, Inyup
    • H04L25/03H04L25/06
    • H04L25/03184H04L25/067
    • A method for quantizing decision metrics (e.g., log likelihood ratios (LLRs)) for reduction of memory requirements in wireless communication is described. The method includes selecting a quantization algorithm. The quantization algorithm may be selected as a function of a characteristic of a decision metric representative of a transport block received over a communication channel, a characteristic of the transport block, or a condition of the communication channel. The method further includes quantizing the decision metric using the selected quantization algorithm to generate at least one quantized decision metric representative of the transport block. The method further includes storing the quantized decision metric and an indicia of the selected quantization algorithm to enable recovery of the decision metric representative of the transport block prior to decoding.
    • 描述了用于量化用于减少无线通信中的存储器要求的决策度量(例如,对数似然比(LLR))的方法。 该方法包括选择量化算法。 量化算法可以作为代表通过通信信道接收的传输块的决策度量,传输块的特性或通信信道的条件的特性的函数来选择。 该方法还包括使用所选择的量化算法对决策度量进行量化,以生成表示传输块的至少一个量化决策度量。 该方法还包括存储量化决策度量和所选择的量化算法的标记,以使得能够在解码之前恢复表示传输块的决策度量。