发明申请
US20050047779A1 Post-detection, fiber optic dispersion compensation using adjustable inverse distortion operator employing trained or decision-based parameter adaptation (estimation)
审中-公开
使用经过训练或基于决策的参数自适应(估计)的可调式逆变换算子进行后检测,光纤色散补偿
- 专利标题: Post-detection, fiber optic dispersion compensation using adjustable inverse distortion operator employing trained or decision-based parameter adaptation (estimation)
- 专利标题(中): 使用经过训练或基于决策的参数自适应(估计)的可调式逆变换算子进行后检测,光纤色散补偿
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申请号: US10653316申请日: 2003-09-02
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公开(公告)号: US20050047779A1公开(公告)日: 2005-03-03
- 发明人: Lonnie Jaynes , Jerry Wood
- 申请人: Lonnie Jaynes , Jerry Wood
- 申请人地址: US FL MELBOURNE
- 专利权人: HARRIS CORPORATION
- 当前专利权人: HARRIS CORPORATION
- 当前专利权人地址: US FL MELBOURNE
- 主分类号: H04B10/18
- IPC分类号: H04B10/18 ; H04B10/08
摘要:
An adaptive system composed of an adjustable inverse distortion operator or structure compensates for dispersive distortion in a fiber optic channel. Parameters of the inverse distortion operator are automatically estimated and updated in accordance with minimizing some cost function of an error signal obtained by differentially combining the output of the inverse distortion operator with downstream decision values or with an undistorted training signal. Undistorted training signals may be derived from bit patterns (e.g., preamble) expressly transmitted for the purpose of adjusting the compensation system or from other non-training patterns known to be embedded in the received signal from the transmitter.
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