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    • 15. 发明申请
    • ADAPTIVE LINE EQUALIZER FOR IMPROVING DATA COMMUNICATION OVER LESS THAN PERFECT POWER LINES OR TRANSMISSION LINES
    • 用于改善数据通信的自适应线路均衡器比完整的电源线或传输线路
    • US20140269860A1
    • 2014-09-18
    • US14214371
    • 2014-03-14
    • Dockon AG
    • Forrest BrownAlexandre DupuyPatrick Rada
    • H04B3/54H04B3/04
    • H04B3/54H04B3/10H04B3/145H04B3/148H04B3/462H04B17/364H04L5/16
    • Systems and methods for improving data communication over less than perfect power lines or transmission lines are described. The systems and methods allow for pushing out electrically any null within a frequency range of interest and/or for lossless transmission by providing impedance matching between communication devices and the transmission line. This is achieved by implementing line equalizing modules within the transceivers, at the transmitter side and/or the receiver side, or by plugging, as a stand-alone module, into an electrical outlet within a building. The line equalizing module includes multiple inductor-capacitor cells coupled in cascade where multiple switches allow for selective and concurrent connection between the inductor-capacitor cells. In another embodiment, the line equalizing module includes variable inductor-capacitor cells. The line equalizing module provides a variable propagation delay that allows for stretching electrically the transmission line. Further improvement may achieve by adjusting the operational frequency using an up-conversion or down-conversion operation.
    • 描述了通过不太完善的电力线或传输线改善数据通信的系统和方法。 这些系统和方法允许通过在通信设备和传输线之间提供阻抗匹配,在感兴趣的频率范围内和/或无损传输中电气推出任何零点。 这通过在收发机内,发射机侧和/或接收机侧实现线路均衡模块,或者通过作为独立模块插入建筑物内的电源插座来实现。 线路均衡模块包括多个电感器电容器单元,其级联耦合,其中多个开关允许电感器 - 电容器单元之间的选择性和并发连接。 在另一个实施例中,线均衡模块包括可变电感器 - 电容器单元。 线路均衡模块提供了可变传播延迟,允许电传输线路的拉伸。 通过使用上变频或下变频操作来调节操作频率可以实现进一步的改进。