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Reliable, long-haul data communications over power lines for meter reading and other communications services

A technology of power line communication and power line, which is applied in the direction of power line communication system, multiplex communication, distribution line transmission system, etc. It can solve the problems of unreliable system, reduction of overall bandwidth of regenerative signal, and damage of communication ability, etc.

Inactive Publication Date: 2011-09-07
POWERMAX GLOBAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, repeating the signal, for example in an overhead power line environment, is problematic because the regenerated signal interferes with the original signal and reduces the overall bandwidth
[0009] Second, such systems are inherently unreliable
Their ability to communicate may be disrupted when power lines fail, such as due to line failure, device failure, weather / lightning faults, overloaded transformers, blown fuses, or other causes

Method used

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  • Reliable, long-haul data communications over power lines for meter reading and other communications services
  • Reliable, long-haul data communications over power lines for meter reading and other communications services
  • Reliable, long-haul data communications over power lines for meter reading and other communications services

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Embodiment Construction

[0049] Various exemplary embodiments, including the preferred embodiment, are discussed in more detail below. While specific embodiments are discussed, it should be understood that this is done for illustration purposes only. Those skilled in the relevant art will recognize that the systems, methods and features provided herein can be used without departing from the spirit and scope of the invention. Furthermore, any and all references cited herein shall be incorporated herein by reference in their entirety.

[0050] Table of contents

[0051] I. Overview

[0052] Two power line communication (PLC) system

[0053] Three repeaters (102-106, 122)

[0054] Four table interface unit (132, 134)

[0055] Five Subscriber Supply Units(148)

[0056] Six Broadband Embodiments

[0057] Eight low-voltage gateways and adapters

[0058] Nine exemplary basic communication process

[0059] Ten Exemplary Meter Reading Process Processing

[0060] Eleven exemplary remote disconnection ...

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PUM

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Abstract

A system, method and computer program product provides for power line communications (PLC) over electric power lines includes a device mountable near an electrical distribution transformer (DT) to provide a high speed interface and communicates with one or multiple access devices, which provide low speed interfaces for analog signals or digital signals over RS 232, RS 485, optical, wireless and Ethernet. The device transmits data to / from these access devices over the electric lines to other repeaters over one or more wires of an electrical line or over multiple lines, and serves to strengthen and improve signal quality. Upon detecting a wire or line is having problems carrying data, the data is sent over other wires, and upon power line failures, wireless backup to mobile / GSM and WiMax networks is utilized. The device permits utilities and others to read electric meters, monitor the power quality of the distribution grid and detect power losses / failures / outages.

Description

technical field [0001] This application claims the title "Reliable, Long-Haul Data Communications over Power Lines for Meter Reading and Other Communications Services," filed August 8, 2008. Long-distance data communications) to the benefit of US Provisional Patent Application No. 61 / 087,444. technical field [0002] Exemplary embodiments relate generally to communications, and more particularly to communications over power systems. Background technique [0003] Power line communication (PLC) refers to a system for carrying data on conductors, typically for electrical power transmission. Alternative terms for PLC include power line carrier, mains communication, power line telecommunications (PLT) and power line networking (PLN). [0004] In these systems, electrical energy may be transmitted over high voltage transmission lines, distributed over medium voltage, and typically used within buildings at low voltage. Power line communication can also be applied at each stage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q1/30
CPCH04B3/58H04B2203/5466H04B3/546
Inventor 兰詹·潘特安德鲁·乔治·里德
Owner POWERMAX GLOBAL
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