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Power line communication system using hybrid-fiber coaxial and communication device used in the system

A technology of hybrid optical fiber coaxial and power line communication, which is applied in the application of power line communication, distribution line transmission system, multiplex communication, etc.

Inactive Publication Date: 2012-07-04
LG CABLE LTD (KR)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the signal converted by the above protocol must pass through CMTS111

Method used

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  • Power line communication system using hybrid-fiber coaxial and communication device used in the system
  • Power line communication system using hybrid-fiber coaxial and communication device used in the system
  • Power line communication system using hybrid-fiber coaxial and communication device used in the system

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Embodiment Construction

[0040] The features and advantages of the above and other aspects of the present invention will become clearer and easier to understand through the following description of exemplary embodiments thereof in conjunction with the accompanying drawings.

[0041] A power line communication system (PLC) using a hybrid fiber coax network (HFC) according to the present invention includes a PLC optical network unit, a trunk bridge amplifier, a power distribution amplifier and a PLC coupling device. Also, the above-mentioned PLC system using the above-mentioned HFC according to the present invention may also include an optical network unit, a PLC trunk bridge amplifier, a power distribution amplifier, and a PLC coupling device. In addition, the above-mentioned PLC system using the above-mentioned HFC according to the present invention may also include an optical network unit, a trunk bridge amplifier, a PLC power distribution amplifier, and a PLC coupling device.

[0042] In particular,...

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Abstract

The invention discloses a communication apparatus applied in a power line communication system using the hybrid fiber coaxial cable network, comprising a PLC optical network unit, a PLC main bridging amplifier, a PLC distribution amplifier and a PLC coupling device. Therefore, the PLC optical network unit needs no PLC protocol conversion of an Ethernet signal through the cable modem and a PLC modern at the position of each user, and realizes the PLC communication between the position of each user and the of the communication terminal using the PLC Ethernet signal through a method receiving the optical signal through the optical fiber from the optical transmitter and converting the optical signal into the PLC Ethernet signal corresponding to the scheduled PLC protocol and transmitting the PLC Ethernet signal to at least a position of the user through the coaxial cable.

Description

technical field [0001] The invention discloses a communication device applied in a power line communication (PLC: Power Line Communication) system using a hybrid fiber coaxial cable network (HFC: Hybrid Fiber Coaxial), wherein the power line communication system includes a PLC optical network unit (ONU : Optical Network Unit), PLC trunk bridge bridge amplifier (Trunk Bridge Amplifier), PLC power distribution amplifier (DA: Distribution Amplifier) ​​and PLC coupling device. More specifically, the present invention discloses a communication device applied in a PLC system using HFC, in which a predetermined PLC converter replaces an uplink module of a power distribution amplifier, an uplink module of an optical network unit The link module or the uplink module of the trunk bridge amplifier, and the above-mentioned PLC converter converts the predetermined optical signal or Ethernet signal into a PLC Ethernet signal, and sends the above-mentioned converted PLC Ethernet signal to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/14H04B10/25H04B3/54H04B10/00H04J14/00H04J14/02H04L12/46H04N7/173H04N21/61H04N21/647
CPCH04B3/542H04B10/272H04B2203/5425H04B2203/5437H04B2203/5445H04B2203/545H04L12/2801
Inventor 朴东荣翰官熙文盛煜崔炯皙李完玧
Owner LG CABLE LTD (KR)
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