会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 62. 发明授权
    • Apparatus and method for normalizing metric values in a component decoder in a mobile communication system
    • 用于对移动通信系统中的分量解码器中的度量值进行归一化的装置和方法
    • US06912257B1
    • 2005-06-28
    • US09559691
    • 2000-04-27
    • Ynung-Hwan LeeMin-Goo KimBeong-Jo Kim
    • Ynung-Hwan LeeMin-Goo KimBeong-Jo Kim
    • H03M13/41H03M13/01H03M13/23H04B7/26H04L1/00H04L25/03H04Q7/38H03D1/00
    • H04L25/03197H03M13/4107H03M13/6583
    • Disclosed is a method for normalizing metric values in a decoder which uses a plurality of metric values of a next state in a state transition period having a present state and the next state, each metric value having a survival path metric value having a value equal to or higher than a competition path metric value. The method comprises detecting the survival path metric values out of the metric values; detecting a minimum survival path metric value out of the detected survival path metric values; determining whether the detected minimum survival path metric value exceeds a threshold value; and subtracting, when the minimum survival path metric value exceeds the threshold value, a given normalization value from the metric values, to output normalized metric values. Also disclosed is another method for: normalizing metric values in a decoder which uses a plurality of metric values of a next state in a state transition period having a present state and the next state, each metric value having a survival path metric value having a value equal to or higher than a competition path metric value. The method comprises detecting the competition path metric values out of the metric values; detecting a minimum competition path metric value out of the detected competition path metric values; determining whether the detected minimum competition path metric value is greater than a threshold value; and subtracting, when the minimum competition path metric value is greater than the threshold value, a given normalization value to output normalized metric values.
    • 公开了一种在具有当前状态和下一状态的状态转换周期中使用下一状态的多个量度值的解码器中的度量值进行归一化的方法,每个度量值具有等于 或高于竞争路径度量值。 该方法包括从度量值中检测存活路径度量值; 从检测到的存活路径度量值中检测最小生存路径度量值; 确定检测到的最小生存路径度量值是否超过阈值; 以及当所述最小生存路径度量值超过所述阈值时,从所述度量值减去给定的归一化值,以输出归一化度量值。 还公开了另一种方法:在具有当前状态和下一状态的状态转变期中使用下一状态的多个度量值的解码器中的度量值进行归一化,每个度量值具有具有值的生存路径量度值 等于或高于竞争路径度量值。 该方法包括从度量值中检测竞争路径度量值; 从检测到的竞争路径度量值中检测最小竞争路径度量值; 确定检测到的最小竞争路径度量值是否大于阈值; 并且当最小竞争路径度量值大于阈值时,减去给定的归一化值以输出归一化度量值。
    • 66. 发明授权
    • Device and method for determining maximum likelihood state in a decoding device
    • 用于确定解码装置中的最大似然状态的装置和方法
    • US06690737B1
    • 2004-02-10
    • US09475562
    • 1999-12-30
    • Min-Goo Kim
    • Min-Goo Kim
    • H04L2302
    • H03M13/4184
    • A device for selecting an ML (Maximum Likelihood) state in a decoding device comprising a plurality of cells arranged in a matrix of rows and columns, and a plurality of select lines. In the device, each select line is connected to all cells in a corresponding row, the select lines receive associated path select signals, each cell in a column is connected to cells in an immediately preceding column so that the cell receives a plurality of state values according to a trellis structure of the decoding device, each cell in a first column receives a plurality of state values determined according to the trellis structure of an encoder, said each first column cell selects one of the received state values in response to the select signal to store the selected state value, and cells in the last column output a state value corresponding to the ML state.
    • 一种用于在包括以行和列的矩阵排列的多个单元的解码设备中选择ML(最大似然)状态的设备,以及多条选择线。 在设备中,每个选择线连接到相应行中的所有单元,选择线接收相关联的路径选择信号,列中的每个单元连接到紧邻的列中的单元,使得单元接收多个状态值 根据解码装置的网格结构,第一列中的每个单元接收根据编码器的网格结构确定的多个状态值,所述每个第一列单元响应于选择信号选择一个接收状态值 以存储所选择的状态值,并且最后一列中的单元输出与ML状态对应的状态值。
    • 67. 发明授权
    • Encoder/decoder with serial concatenated structure in communication system
    • 通信系统中串行级联结构的编码器/解码器
    • US06625775B1
    • 2003-09-23
    • US09459050
    • 1999-12-10
    • Min-Goo Kim
    • Min-Goo Kim
    • H03M1300
    • H03M13/152H03M13/1515H03M13/2906H03M13/3944H03M13/458
    • A decoding device for decoding an input codeword bit stream using a generator polynomial represented by the product of a plurality of sub-polynomials disclosed. The decoding device comprises a plurality of serial concatenated decoders each having different generator polynomials, wherein a product of the different generator polynomials becomes said generator polynomial, the different generator polynomials are represented by the different sub-polynomials or by a product thereof, and a first-stage decoder out of the serial concatenated decoders receives said codeword bit stream. The decoders each perform soft decision, and the codeword is a linear block code.
    • 一种解码装置,用于使用由公开的多个子多项式的乘积表示的生成多项式来解码输入码字比特流。 解码装置包括多个具有不同生成多项式的串行级联解码器,其中不同生成多项式的乘积变为所述生成多项式,不同的生成多项式由不同的子多项式或其乘积表示,第一 级联解码器从串行级联解码器接收所述码字比特流。 解码器各自进行软判决,码字是线性块码。