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    Modular turbo decoder for expanded code word length
    2.
    发明授权
    Modular turbo decoder for expanded code word length 有权
    用于扩展码字长度的模块化turbo解码器

    公开(公告)号：US06594792B1

    公开(公告)日：2003-07-15

    申请号：US09561333

    申请日：2000-04-28

    申请人： Stephen Michael Hladik ,  Abdallah Mahmoud Itani ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki ,  John Anderson Fergus Ross

    发明人： Stephen Michael Hladik ,  Abdallah Mahmoud Itani ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki ,  John Anderson Fergus Ross

    IPC分类号： H03M1329

    CPC分类号： H03M13/3905 ,  H03M13/2957 ,  H03M13/3933 ,  H03M13/3972

    摘要： A turbo decoder system utilizing a MAP decoding algorithm has a predetermined number of turbo decoder modules for decoding segments of a turbo code component code word in parallel, thereby expanding the block-length and data-rate capability of the turbo decoder system. Input data samples are provided to an interleaver/de-interleaver module wherein they are divided into segments of predetermined size, each segment being provided to a respective turbo decoder module. The outputs of each turbo decoder module are a posteriori probabilities which are re-ordered in the interleaver/de-interleaver module, segmented, and provided back to the turbo decoders as a priori information-bit probabilities. For the case of a turbo code comprising two component codes, the a posteriori information-bit probabilities are re-ordered according to the interleaver definition at the end of odd-numbered half iterations, while at the end of even-numbered half iterations, they are re-ordered according to the de-interleaver definition. Decoding continues until the desired number of iterations have been performed. Data decisions are made on the final a posteriori bit probability estimates.

    摘要翻译： 利用MAP解码算法的turbo解码器系统具有预定数量的turbo解码器模块，用于并行地解码turbo码分量码字的段，从而扩展turbo解码器系统的块长度和数据速率能力。 将输入数据样本提供给交织器/解交织器模块，其中它们被划分成预定大小的段，每个段被提供给相应的turbo解码器模块。 每个turbo解码器模块的输出是在交织器/解交织器模块中重排序的后验概率，被分段并作为先验信息比特概率返回给turbo解码器。 对于包括两个分量代码的turbo码的情况，根据奇数半迭代结束时的交织器定义重新排序后验信息比特概率，而在偶数半迭代结束时，它们 根据解交织器定义重新排序。 解码继续，直到执行所需的迭代次数。 对最终的后验位概率估计作出数据决定。

    High-speed turbo decoder
    3.
    发明授权
    High-speed turbo decoder 有权
    高速turbo解码器

    公开(公告)号：US06304996B1

    公开(公告)日：2001-10-16

    申请号：US09263566

    申请日：1999-03-08

    申请人： Nick Andrew Van Stralen ,  John Anderson Fergus Ross ,  Stephen Michael Hladik ,  Abdallah Mahmoud Itani ,  Robert Gideon Wodnicki

    发明人： Nick Andrew Van Stralen ,  John Anderson Fergus Ross ,  Stephen Michael Hladik ,  Abdallah Mahmoud Itani ,  Robert Gideon Wodnicki

    IPC分类号： H03M1303

    CPC分类号： H03M13/3905 ,  H03M13/2957 ,  H03M13/3911 ,  H03M13/3922 ,  H03M13/3961 ,  H03M13/6561 ,  H03M13/6572 ,  H03M13/658 ,  H03M13/6583 ,  H03M13/6591

    摘要： A high-speed turbo decoder utilizes a MAP decoding algorithm and includes a streamlined construction of functional units, or blocks, amenable to ASIC implementation. A gamma block provides symbol-by-symbol a posteriori state transition probability estimates. Two gamma probability function values are provided via selection switches to the alpha and beta blocks for calculating the alpha and beta probability function values, i.e., performing the alpha and beta recursions, respectively, in parallel, thus significantly increasing decoding speed. A scaling circuit monitors the values of the alpha and beta probability functions and prescribes a scale factor such that all such values at a trellis level remain within the precision limits of the system. A sigma block determines the a posteriori state transition probabilities (sigma values) and uses the sigma values to provide soft-decision outputs of the turbo decoder.

    摘要翻译： 高速turbo解码器利用MAP解码算法，并且包括易于实施ASIC的功能单元或块的流线型结构。 伽马块提供逐符号的后验状态转换概率估计。 两个伽马概率函数值通过选择开关提供给α和β块用于计算α和β概率函数值，即分别执行α和β递归，从而显着增加解码速度。 缩放电路监视α和β概率函数的值，并规定了比例因子，使得网格级别上的所有这些值都保持在系统的精度限度内。 西格玛块确定后验状态转移概率（sigma值），并使用西格玛值来提供turbo解码器的软判决输出。

    Turbo decoder with modified input for increased code word length and data rate
    5.
    发明授权
    Turbo decoder with modified input for increased code word length and data rate 有权
    Turbo解码器具有修改的输入，增加码字长度和数据速率

    公开(公告)号：US06715120B1

    公开(公告)日：2004-03-30

    申请号：US09561334

    申请日：2000-04-28

    申请人： Stephen Michael Hladik ,  Abdallah Mahmoud Itani ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki ,  John Anderson Fergus Ross

    发明人： Stephen Michael Hladik ,  Abdallah Mahmoud Itani ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki ,  John Anderson Fergus Ross

    IPC分类号： H03M1329

    CPC分类号： H03M13/3905 ,  H03M13/2957 ,  H03M13/3933 ,  H03M13/3972

    摘要： A turbo decoder system utilizing a MAP decoding algorithm has a predetermined number of turbo decoder modules for decoding segments of a turbo code component code word in parallel, thereby expanding the block-length and data rate capability of the turbo decoder. Upon completion of any half iteration of the MAP decoding algorithm, the a posteriori bit probability estimates are provided to an interleave/de-interleave-and-convert-data function block wherein they are re-ordered, segmented, used to modify the original received data samples, and provided back to the respective turbo decoder modules as input data samples for the systematic bits. Decoding continues in this manner until a predetermined number of half iterations is performed, and data decisions are made on the final a posteriori estimates.

    摘要翻译： 利用MAP解码算法的turbo解码器系统具有预定数量的turbo解码器模块，用于并行地解码turbo码分量码字的段，从而扩展turbo解码器的块长度和数据速率能力。 在完成MAP解码算法的任何半迭代之后，将后验比特概率估计提供给交织/解交织和转换数据功能块，其中它们被重新排序，分段，用于修改原始接收 数据样本，并提供给相应的turbo解码器模块作为系统比特的输入数据样本。 以这种方式继续解码直到执行预定数量的半迭代，并且对最后的后验估计进行数据判定。

    Imaging system including detector framing node
    6.
    发明授权
    Imaging system including detector framing node 失效
    成像系统包括检测器成帧节点

    公开(公告)号：US06975752B2

    公开(公告)日：2005-12-13

    申请号：US09774549

    申请日：2001-01-31

    申请人： Walter Vincent Dixon ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki

    发明人： Walter Vincent Dixon ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki

    IPC分类号： G01T1/161 ,  A61B6/00 ,  G06F19/00 ,  H04N5/321 ,  H04N5/335 ,  H04N7/18 ,  G06K9/00

    CPC分类号： G06F19/321 ,  A61B6/4233 ,  A61B6/4417 ,  A61B6/487 ,  A61B6/502 ,  G06F19/00 ,  G16H40/63 ,  H04N5/32

    摘要： An imaging system includes a programmable detector framing node controlling generation of radiation and controlling radioscopic image detection. Radioscopic image data is acquired and communicated independently of a host computer operating system. The detector framing node controls events in real time according to an event instruction sequence and communicates received radioscopic image data to host memory through a computer communication bus. Image data is received from a selected flat panel detector of a plurality of different flat panel detectors. The image data is selectively reordered according to parameters of the selected flat panel detector before communication to host memory.

    摘要翻译： 成像系统包括控制辐射产生和控制放射线图像检测的可编程检测器成帧节点。 独立于主机操作系统获取和通信的无线影像数据。 检测器成帧节点根据事件指令序列实时控制事件，并通过计算机通信总线将接收的放射线图像数据传送到主机存储器。 从多个不同平板检测器的所选平板检测器接收图像数据。 在与主机存储器通信之前，根据所选择的平板检测器的参数选择性地重新排序图像数据。

    Method and system monitoring image detection
    7.
    发明授权
    Method and system monitoring image detection 有权

    公开(公告)号：US06504895B2

    公开(公告)日：2003-01-07

    申请号：US09774551

    申请日：2001-01-31

    申请人： Walter Vincent Dixon ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki ,  Edward James Nieters

    发明人： Walter Vincent Dixon ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki ,  Edward James Nieters

    IPC分类号： A61B603

    CPC分类号： A61B6/4233 ,  A61B6/00 ,  A61B6/541 ,  H04N5/32 ,  Y10S378/901

    摘要： An image detector monitoring system includes a detector framing node and a host computer having at least one host processor and a host memory. The detector framing node acquires image data, buffers the acquired image data, and outputs the image data to the host memory according to a predetermined communication protocol. The host computer executes operations according to a non-real time operating system, and a host memory stores the image data received from the detector framing node. The detector framing node is controlled by executing a plurality of event instructions, which are stored in an event queue. Some event instructions control a radiation generation system, while others control communication with an image detection system or control the detector framing node itself. Each event instruction executed by the detector framing node includes a bit flag indicating whether the event is to be traced by the detector framing node. Traced events are stored as entries in a response log in host memory. Each response log entry includes a time stamp indicating a time of execution of the traced event.

    Indirect programming of detector framing node
    8.
    发明授权
    Indirect programming of detector framing node 失效
    检测器成帧节点的间接编程

    公开(公告)号：US06904124B2

    公开(公告)日：2005-06-07

    申请号：US09774553

    申请日：2001-01-31

    申请人： Daniel Arthur Staver ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki

    发明人： Daniel Arthur Staver ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki

    IPC分类号： A61B6/00 ,  G01N23/04 ,  G05B19/042

    CPC分类号： A61B6/4233 ,  A61B6/00 ,  A61B6/541 ,  G01N23/04 ,  G05B19/042 ,  G05B2219/2652 ,  H04N5/32 ,  Y10S378/901

    摘要： A real time imaging system includes a programmable detector framing node controlling generation of radiation and controlling radioscopic image detection. Radioscopic image data is acquired and communicated by the detector framing node independently of a host computer operating system. The detector framing node controls events in real time according to an event instruction sequence and communicates the received radioscopic image data to host memory through a computer communication bus. The image data is received from a selected flat panel detector of a plurality of different flat panel detectors. The detector framing node is programmable by way of a pair of JTAG loops. The JTAG loops receive programming instructions from the host computer and from a pair of JTAG ports.

    摘要翻译： 实时成像系统包括控制辐射产生和控制放射线图像检测的可编程检测器成帧节点。 独立于主计算机操作系统，由检测器成帧节点采集和传送无线影像数据。 检测器成帧节点根据事件指令序列实时控制事件，并通过计算机通信总线将接收的放射线图像数据传送到主机存储器。 从多个不同平板检测器的所选平板检测器接收图像数据。 检测器成帧节点可通过一对JTAG环路进行编程。 JTAG环路从主机和一对JTAG端口接收编程指令。

    Detector framing node architecture to communicate image data
    10.
    发明授权
    Detector framing node architecture to communicate image data 失效
    检测器成帧节点架构来传送图像数据

    公开(公告)号：US06970586B2

    公开(公告)日：2005-11-29

    申请号：US09774530

    申请日：2001-01-31

    申请人： Richard Dudley Baertsch ,  Walter Vincent Dixon ,  Daniel Arthur Staver ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki

    发明人： Richard Dudley Baertsch ,  Walter Vincent Dixon ,  Daniel Arthur Staver ,  Nick Andrew Van Stralen ,  Robert Gideon Wodnicki

    IPC分类号： A61B5/00 ,  G06F19/00 ,  H04N5/32 ,  G06K9/00

    CPC分类号： A61B5/002 ,  G06F19/00 ,  G06F19/321 ,  G06F19/3418 ,  G16H40/63 ,  H04N5/32

    摘要： A detector framing node controls generation of radiation and radioscopic image detection Radioscopic image data is acquired and communicated independently of a host computer operating system. The detector framing node controls events in real time according to an event instruction sequence and receives the image data by way of an image detection interface into a memory unit. The image data is output from the memory unit to host memory of the host computer through a computer communication interface and under the control of a control unit. The detector framing node selects a flat panel detector from a plurality of different flat panel detectors and the image data is selectively reordered according to parameters of the selected flat panel detector before communication to host memory.

    摘要翻译： 检测器成帧节点控制辐射和放射线图像检测的产生。无线电图像数据被独立于主机操作系统获取和通信。 检测器成帧节点根据事件指令序列实时控制事件，并通过图像检测接口将图像数据接收到存储器单元中。 图像数据通过计算机通信接口并在控制单元的控制下从存储器单元输出到主计算机的主机存储器。 检测器成帧节点从多个不同的平板检测器中选择平板检测器，并且在与主机存储器通信之前根据所选择的平板检测器的参数选择性地重新排序图像数据。