Reliable, long-haul data communications over power lines for meter reading and other communications services
US8947258B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2009 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Mar 9, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2203/5466
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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, and permits telecom service providers and others to provide a communications link to cell phone towers, WiFi Access Points and enable broadband Internet and telephony in rural, remote or sparely populated areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.