Accuracy of dynamical models for analog iterative error control decoders

Accuracy of dynamical models for analog iterative error control decoders
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模拟迭代误差控制解码器动态模型的准确性

DOI:
10.1109/mwscas.2005.1594399
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发表时间:
2005
期刊:
48th Midwest Symposium on Circuits and Systems, 2005.
影响因子:
--
通讯作者:
C. Winstead
C. Winstead
中科院分区:
--
文献类型:
--
作者:
Vivek Devarakonda;C. Winstead

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本文研究了连续时间模拟迭代差错控制解码器的抽象动态模型的准确性。现有的紧凑的动力学模型制定迭代解码作为一个不动点问题。每个模拟单元的动力学由具有单个时间常数的非线性微分方程建模,该非线性微分方程使用欧拉方法数值求解。我们提出了一个健身测试来评估这个抽象模型的准确性。对于随机构造的代码和随机刺激,电路描述使用抽象动力学模型和SPICE合成。进行比较,以测量增加长度和复杂度的代码的两个模拟之间的对应关系
This paper examines the accuracy of an abstract dynamical model for continuous-time analog iterative error-control decoders. An existing compact dynamical model formulates iterative decoding as a fixed point problem. The dynamics of each analog cell are modeled by a non-linear differential equation with a single time-constant, which is solved numerically using Euler's method. We propose a fitness test to evaluate the accuracy of this abstract model. For randomly constructed codes and random stimuli, circuit descriptions are synthesized using both the abstract dynamical model and SPICE. A comparison is performed to measure the correspondence between the two simulations for codes of increasing length and complexity
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DOI: --
发表时间: 2005
期刊: 日本科学教育学会年会論文集 第29号
影响因子: --
作者:
中山 迅;大場裕子;猿田祐嗣
通讯作者: 猿田祐嗣