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    • 2. 发明专利
    • Method and apparatus for soft-output viterbi detection using multiple-step trellis
    • 使用多步TRELLIS软输出检测的方法和装置
    • JP2013141300A
    • 2013-07-18
    • JP2013047910
    • 2013-03-11
    • Agere Systems Incアギア システムズ インコーポレーテッド
    • ASHLEY JONATHAN JFITZPATRICK KELLY KNUDSONHARATSCH ERICH F
    • H03M13/41
    • H03M13/4192H03M13/395H03M13/4153
    • PROBLEM TO BE SOLVED: To provide a method and apparatus for performing SOVA detection at higher data rates.SOLUTION: A received signal is processed by (i) determining at least three selection signals that define a plurality of paths through a multiple-step trellis into a given state, where a first path of the plurality of paths is a winning path for each single-step-trellis period of a multiple-step-trellis cycle, a second path is a winning path for a first single-step-trellis period and is a losing path for a second single-step-trellis period of a multiple-step-trellis cycle, and a third path is a losing path for a first single-step-trellis period and is a winning path for a second single-step-trellis period of a multiple-step-trellis cycle; and (ii) determining a reliability value for a bit decision associated with a maximum-likelihood path through the multiple-step trellis or a plurality of reliability values for each multiple-step-trellis cycle.
    • 要解决的问题:提供一种用于以较高数据速率执行SOVA检测的方法和装置。解决方案:接收信号通过以下步骤来处理:(i)确定至少三个选择信号,所述选择信号定义通过多步网格的多条路径 给定状态,其中所述多个路径中的第一路径是用于多步网格周期的每个单步网格周期的获胜路径,第二路径是用于第一单步网格周期的获胜路径 并且是多步骤网格周期的第二个单步网格周期的丢失路径,第三个路径是第一个单步网格周期的丢失路径,是第二个单步网格周期的获胜路径, 多步循环的阶梯状周期; 以及(ii)通过多步网格确定与最大似然路径相关联的比特决策的可靠性值,或者确定每个多步网格周期的多个可靠性值。
    • 5. 发明专利
    • Method and apparatus for soft output viterbi detection using multiple-step trellis
    • 使用多步TRELLIS软件输出VITERBI检测的方法和装置
    • JP2006211674A
    • 2006-08-10
    • JP2006018322
    • 2006-01-27
    • Agere Systems Incアギア システムズ インコーポレーテッド
    • ASHLEY JONATHAN JFITZPATRICK KELLY KNUDSONHARATSCH ERICH F
    • H03M13/41G06F11/10G11B20/18
    • H03M13/4192H03M13/395H03M13/4153
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for performing SOVA detection at a high data rate. SOLUTION: A signal is processed by (i) determining at least three selection signals that define a plurality of paths via a multiple-step trellis into a given state that a first path of the plurality of paths is a winning path for each single-step-trellis period of a multiple-step-trellis cycle; a second path is a winning path for a first single-step-trellis period and a losing path for a second single-step-trellis period of the cycle, and a third path is a losing path for a first single-step-trellis period and a winning path for a second single-step-trellis period of the multiple-step-trellis cycle; and (ii) determining at least one reliability value (the reliability value for bit decision, associated with a maximum-likelihood path via multiple-step trellis or a plurality of reliability values for each multiple-step-trellis cycle). COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种以高数据速率进行SOVA检测的方法和装置。 解决方案:通过(i)确定至少三个选择信号来处理信号,所述至少三个选择信号通过多步网格定义多个路径到给定状态,即多个路径中的第一路径是每个路径的获胜路径 多步阶段网格周期的单步网格周期; 第二路径是用于第一单步网格周期的获胜路径和用于该周期的第二单步网格周期的丢失路径,并且第三路径是用于第一单步网格周期的丢失路径 以及多步阶段循环的第二个单步阶段的获胜路径; 以及(ii)确定至少一个可靠性值(用于位决定的可靠性值,与通过多步网格的最大似然路径相关联或者每个多步网格周期的多个可靠性值)。 版权所有(C)2006,JPO&NCIPI