Systems and methods for efficient data channel testing
    1.
    发明授权
    Systems and methods for efficient data channel testing 有权
    高效数据通道测试的系统和方法

    公开(公告)号:US08799340B2

    公开(公告)日:2014-08-05

    申请号:US13280023

    申请日:2011-10-24

    IPC分类号: G06F1/02 G11B27/36

    CPC分类号: G06F7/582

    摘要: Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is disclosed that includes: a data detector circuit, a pseudo-random sequence generator circuit, a decoder circuit, and a pseudo-random sequence reconstitution circuit. The data detector circuit is operable to apply a data detection algorithm to a first data set to yield a detected output. The pseudo-random sequence generator circuit is operable to generate an interim data sequence and to generate a second data set based upon a combination of the detected output and the interim data sequence. The decoder circuit is operable to apply a data decode algorithm to a derivative of the second data set to yield a third data set.

    摘要翻译: 本发明的各种实施例提供了用于数据处理的系统和方法。 例如,公开了一种数据处理系统,其包括:数据检测器电路,伪随机序列发生器电路,解码器电路和伪随机序列重构电路。 数据检测器电路可操作以将数据检测算法应用于第一数据集以产生检测到的输出。 伪随机序列发生器电路可操作以产生临时数据序列,并且基于检测到的输出和中间数据序列的组合来生成第二数据集。 解码器电路可操作以将数据解码算法应用于第二数据集的导数以产生第三数据集。

    Adjusting soft-output values in turbo equalization schemes to break trapping sets
    2.
    发明授权
    Adjusting soft-output values in turbo equalization schemes to break trapping sets 有权
    调整turbo均衡方案中的软输出值,以打破陷阱集

    公开(公告)号:US08700976B2

    公开(公告)日:2014-04-15

    申请号:US12540078

    申请日:2009-08-12

    IPC分类号: G06F11/00

    摘要: In one embodiment, a turbo equalizer has an LDPC decoder, a channel detector, and one or more adjustment blocks for recovering an LDPC codeword from a set of input samples. The decoder attempts to recover the codeword from an initial set of channel soft-output values and generates a set of extrinsic soft-output values, each corresponding to a bit of the codeword. If the decoder converges on a trapping set, then the channel detector performs detection on the set of input samples to generate a set of updated channel soft-output values, using the extrinsic soft-output values to improve the detection. The one or more adjustment blocks adjust at least one of (i) the extrinsic soft-output values before the channel detection and (ii) the updated channel soft-output values. Subsequent decoding is then performed on the updated and possibly-adjusted channel soft-output values to attempt to recover the codeword.

    摘要翻译: 在一个实施例中,turbo均衡器具有LDPC解码器,信道检测器和用于从一组输入采样中恢复LDPC码字的一个或多个调整块。 解码器尝试从初始的信道软输出值集合中恢复码字,并产生一组非本征软输出值,每个对应于码字的位。 如果解码器收敛于捕获集合,则信道检测器对输入样本集执行检测,以使用外部软输出值来生成一组更新的信道软输出值,以改善检测。 一个或多个调整块调整(i)信道检测之前的非本征软输出值和(ii)更新的信道软输出值中的至少一个。 然后对更新的和可能调整的信道软输出值执行随后的解码,以尝试恢复码字。

    Adaptive Calibration of Noise Predictive Finite Impulse Response Filter
    3.
    发明申请
    Adaptive Calibration of Noise Predictive Finite Impulse Response Filter 有权
    噪声预测有限脉冲响应滤波器的自适应校准

    公开(公告)号:US20130339827A1

    公开(公告)日:2013-12-19

    申请号:US13525182

    申请日:2012-06-15

    IPC分类号: G06F11/07

    摘要: Various embodiments of the present inventions are related to adaptive calibration of NPFIR filters in a data detector. For example, an apparatus for calibrating a noise predictive filter is disclosed, including a data detector operable to generate detected values for data sectors and having an embedded noise predictive finite impulse response filter. The apparatus also includes a comparator operable to determine whether a quality metric for a current one of the data sectors meets a noise threshold. The apparatus also includes a filter calibration circuit operable to adapt a number of filter coefficients for the noise predictive finite impulse response filter based on the detected values for the data sectors, and to omit the detected values for the current one of the data sectors from adaptation for one of the filter coefficients if the quality metric for the current one of the data sectors does not meet the noise threshold.

    摘要翻译: 本发明的各种实施例涉及数据检测器中的NPFIR滤波器的自适应校准。 例如,公开了一种用于校准噪声预测滤波器的装置,包括可操作以产生数据扇区的检测值并具有嵌入式噪声预测有限脉冲响应滤波器的数据检测器。 该装置还包括比较器,可操作以确定当前数据扇区的质量度量是否符合噪声阈值。 该装置还包括滤波器校准电路,其可操作以基于用于数据扇区的检测值来适应用于噪声预测有限脉冲响应滤波器的多个滤波器系数,并且从适配中省去当前数据扇区的检测值 对于当前一个数据扇区的质量度量不满足噪声阈值的滤波器系数之一。

    Systems and methods for data pre-coding calibration
    4.
    发明授权
    Systems and methods for data pre-coding calibration 有权
    用于数据预编码校准的系统和方法

    公开(公告)号:US08446683B2

    公开(公告)日:2013-05-21

    申请号:US13031818

    申请日:2011-02-22

    IPC分类号: G11B5/00

    摘要: Various embodiments of the present invention provide systems and methods for selecting between pre-coding and non-pre-coding. As an example, a data processing circuit is disclosed that includes: a first data detector circuit, a second data detector circuit, a first comparator circuit, a second comparator circuit, and a pre-code selection circuit. The first data detector circuit is selectably configurable to operate in a pre-coded state, and operable to apply a data detection algorithm on a data input to yield a first detected output. The second data detector circuit operable to apply the data detection algorithm to the data input to yield a second detected output without compensating for pre-coding. The first comparator circuit operable to compare the first detected output against a known input to yield a first comparison value, and the second comparator circuit operable to compare the second detected output against the known input to yield a second comparison value. The pre-code selection circuit is operable to determine a selectable configuration of the first data detector circuit based at least in part on the first comparison value and the second comparison value.

    摘要翻译: 本发明的各种实施例提供了用于在预编码和非预编码之间进行选择的系统和方法。 作为示例,公开了一种数据处理电路,其包括:第一数据检测器电路,第二数据检测器电路,第一比较器电路,第二比较器电路和预代码选择电路。 第一数据检测器电路可选择地被配置为以预编码状态操作,并且可操作以将数据检测算法应用于数据输入以产生第一检测输出。 第二数据检测器电路可操作以将数据检测算法应用于数据输入以产生第二检测输出而不补偿预编码。 第一比较器电路可操作以将第一检测输出与已知输入进行比较以产生第一比较值,并且第二比较器电路可操作以将第二检测输出与已知输入进行比较以产生第二比较值。 预编码选择电路可操作以至少部分地基于第一比较值和第二比较值来确定第一数据检测器电路的可选配置。

    Systems and Methods for Monitoring Out of Order Data Decoding
    6.
    发明申请
    Systems and Methods for Monitoring Out of Order Data Decoding 有权
    监控异步数据解码的系统和方法

    公开(公告)号:US20110161633A1

    公开(公告)日:2011-06-30

    申请号:US12651254

    申请日:2009-12-31

    IPC分类号: G06F9/30 G06F12/00

    摘要: Various embodiments of the present invention provide systems and methods for monitoring out of order data decoding. For example, a method for monitoring out of order data processing is provided that includes receiving a plurality of data sets that is associated with a plurality of identifiers with each of the plurality of identifiers indicates a respective one of the plurality of data sets; storing each of the plurality of identifiers in a FIFO memory in an order that the corresponding data sets of the plurality of data sets was received; processing the plurality of data sets such that at least one of the plurality of data sets is provided as an output data set; accessing the next available identifier from the FIFO memory; and asserting an out of order signal when the next available identifier is not the same as the identifier associated with the output data set.

    摘要翻译: 本发明的各种实施例提供用于监视异步数据解码的系统和方法。 例如,提供了一种用于监视不合格数据处理的方法,包括接收与多个标识符相关联的多个数据集,所述多个标识符中的每一个标识符指示所述多个数据集中的相应一个; 将多个标识符中的每一个按照接收到多个数据集的相应数据集的顺序存储在FIFO存储器中; 处理所述多个数据集,使得所述多个数据集中的至少一个被提供为输出数据集; 从FIFO存储器访问下一个可用标识符; 并且当下一个可用标识符与与输出数据集相关联的标识符不相同时,断言无序信号。

    Systems and methods for monitoring out of order data decoding
    7.
    发明授权
    Systems and methods for monitoring out of order data decoding 有权
    用于监视无序数据解码的系统和方法

    公开(公告)号:US08688873B2

    公开(公告)日:2014-04-01

    申请号:US12651254

    申请日:2009-12-31

    IPC分类号: G06F3/00 G06F5/00

    摘要: Various embodiments of the present invention provide systems and methods for monitoring out of order data decoding. For example, a method for monitoring out of order data processing is provided that includes receiving a plurality of data sets that is associated with a plurality of identifiers with each of the plurality of identifiers indicates a respective one of the plurality of data sets; storing each of the plurality of identifiers in a FIFO memory in an order that the corresponding data sets of the plurality of data sets was received; processing the plurality of data sets such that at least one of the plurality of data sets is provided as an output data set; accessing the next available identifier from the FIFO memory; and asserting an out of order signal when the next available identifier is not the same as the identifier associated with the output data set.

    摘要翻译: 本发明的各种实施例提供用于监视异步数据解码的系统和方法。 例如,提供了一种用于监视不合格数据处理的方法,包括接收与多个标识符相关联的多个数据集,所述多个标识符中的每一个标识符指示所述多个数据集中的相应一个; 将多个标识符中的每一个按照接收到多个数据集的相应数据集的顺序存储在FIFO存储器中; 处理所述多个数据集,使得所述多个数据集中的至少一个被提供为输出数据集; 从FIFO存储器访问下一个可用标识符; 并且当下一个可用标识符与与输出数据集相关联的标识符不相同时,断言无序信号。

    Systems and methods for updating detector parameters in a data processing circuit
    8.
    发明授权
    Systems and methods for updating detector parameters in a data processing circuit 有权
    用于更新数据处理电路中检测器参数的系统和方法

    公开(公告)号:US08578253B2

    公开(公告)日:2013-11-05

    申请号:US12651956

    申请日:2010-01-04

    IPC分类号: H03M13/00

    摘要: Various embodiments of the present invention provide systems and methods for updating detector parameters in a data processing circuit. For example, a data processing circuit is disclosed that includes a first detector circuit, a second detector circuit, and a calibration circuit. The first detector circuit is operable to receive a first data set and to apply a data detection algorithm to the first data set, and the second detector circuit is operable to receive a second data set and to apply the data detection algorithm to the second data set. The calibration circuit is operable to calculate a data detection parameter based upon a third data set. The data detection parameter is used by the first detector circuit in applying the data detection algorithm to the first data set during a period that the data detection parameter is used by the second detector circuit in applying the data detection algorithm to the second data set.

    摘要翻译: 本发明的各种实施例提供用于在数据处理电路中更新检测器参数的系统和方法。 例如,公开了一种包括第一检测器电路,第二检测器电路和校准电路的数据处理电路。 第一检测器电路可操作以接收第一数据集并将数据检测算法应用于第一数据集,并且第二检测器电路可操作以接收第二数据集并将数据检测算法应用于第二数据集 。 校准电路可操作以基于第三数据集计算数据检测参数。 数据检测参数由第一检测器电路在将数据检测算法应用于第二数据集时由第二检测器电路使用的时段期间将数据检测算法应用于第一数据集使用。

    Systems and methods for reduced format non-binary decoding
    9.
    发明授权
    Systems and methods for reduced format non-binary decoding 有权
    缩减格式非二进制解码的系统和方法

    公开(公告)号:US08499231B2

    公开(公告)日:2013-07-30

    申请号:US13167771

    申请日:2011-06-24

    IPC分类号: G06F11/00 H03M13/00

    摘要: Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing circuit is disclosed that includes a data detecting circuit having: a first vector translation circuit, a second vector translation circuit, and a data detector core circuit. The data detecting circuit is operable to receive an input data set and at least one input vector in a first format. The at least one input vector corresponds to a portion of the input data set. The first vector translation circuit is operable to translate the at least one vector to a second format. The data detector core circuit is operable to apply a data detection algorithm to the input data set and the at least one vector in the second format to yield a detected output. The second vector translation circuit operable to translate a derivative of the detected output to the first format to yield an output vector.

    摘要翻译: 本发明的各种实施例提供了用于数据处理的系统和方法。 作为示例,公开了一种数据处理电路,其包括具有第一向量转换电路,第二向量转换电路和数据检测器核心电路的数据检测电路。 数据检测电路可操作以接收第一格式的输入数据集和至少一个输入向量。 至少一个输入向量对应于输入数据集的一部分。 第一向量翻译电路可操作以将至少一个向量转换为第二格式。 数据检测器核心电路可操作以将数据检测算法应用于输入数据集和第二格式的至少一个向量以产生检测到的输出。 第二向量转换电路可操作以将检测到的输出的导数转换为第一格式以产生输出向量。

    Systems and methods for signal delay and alignment
    10.
    发明授权
    Systems and methods for signal delay and alignment 有权
    用于信号延迟和对准的系统和方法

    公开(公告)号:US08386827B2

    公开(公告)日:2013-02-26

    申请号:US12463585

    申请日:2009-05-11

    申请人: Changyou Xu

    发明人: Changyou Xu

    IPC分类号: G06F1/12

    摘要: Various embodiments of the present invention provide systems and methods for event alignment control. For example, an event alignment control circuit is disclosed that includes a delay table, a flag write controller circuit, and a signal reconstruction circuit. The delay table includes at least a first register and a last register, and is operable to transfer data from the first register to the last register. The flag write controller circuit is operable to receive an indication of assertion of an event flag and to write information relevant to the event flag to the first register of the delay table. The signal reconstruction circuit is electrically coupled to the last register, and reconstructs the event flag based at least in part on the information relevant to the event flag obtained from the last register.

    摘要翻译: 本发明的各种实施例提供了用于事件对准控制的系统和方法。 例如,公开了包括延迟表,标志写入控制器电路和信号重建电路的事件对准控制电路。 延迟表包括至少第一寄存器和最后一个寄存器,并且可操作以将数据从第一寄存器传送到最后一个寄存器。 标志写入控制器电路可操作以接收事件标志的断言指示,并将与事件标志相关的信息写入延迟表的第一寄存器。 信号重建电路电耦合到最后一个寄存器,并且至少部分地基于与从最后一个寄存器获得的事件标志相关的信息重构事件标志。