公开(公告)号：US20140129892A1

公开(公告)日：2014-05-08

申请号：US13841997

申请日：2013-03-15

Applicant: QUALCOMM INCORPORATED

Inventor： Gregory Allen Magin ,  Celestino Anastasio Corral

IPC: G06F11/07

CPC classification number: G06F11/0706 ,  H04B3/542 ,  H04B3/56 ,  H04B2203/542 ,  H04B2203/5491

Abstract: A powerline communication (PLC) power supply and modem interface can be implemented using a power supply processing unit coupled with a PLC modem unit. The power supply processing unit generates a composite PLC signal comprising a PLC signal and a DC power signal modulated with a zero cross signal (all determined from an AC powerline signal). High-powered components of the PLC modem unit can cause signal distortion in the zero cross signal component of the composite PLC signal making it difficult to extract zero cross information. An error correction unit can be implemented at the PLC modem unit to minimize the signal distortion and generate a zero cross signal with little or no error. The PLC modem unit also extracts the PLC signal and the DC power signal from the composite PLC signal, and processes the PLC signal using the zero cross information extracted from the corrected zero cross signal.

Abstract translation: 电力线通信（PLC）电源和调制解调器接口可以使用与PLC调制解调器单元耦合的电源处理单元来实现。 电源处理单元生成包括PLC信号和用零交叉信号（全部由AC电力线信号确定）的DC电力信号的复合PLC信号。 PLC调制解调器单元的大功率组件可能导致复合PLC信号的零交叉信号分量中的信号失真，使得难以提取零交叉信息。 可以在PLC调制解调器单元处实施纠错单元以最小化信号失真并产生很少或没有错误的零交叉信号。 PLC调制解调器单元还从复合PLC信号中提取PLC信号和直流电源信号，并使用从校正的零交叉信号中提取的零交叉信息处理PLC信号。