1 / 89

Broadband Over Power Line

Broadband Over Power Line. July 28, 2003 Steven E. Collier Vice President, Emerging Technologies National Rural Telecommunications Cooperative. Some History. Pre 2000 - Generally bad experience with broadband via power line carrier (PLC). Some History.

domani
Download Presentation

Broadband Over Power Line

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Broadband OverPower Line July 28, 2003 Steven E. Collier Vice President, Emerging Technologies National Rural Telecommunications Cooperative

  2. PLC HSI Overview

  3. Some History • Pre 2000 - Generally bad experience with broadband via power line carrier (PLC) PLC HSI Overview

  4. Some History • Pre 2000 - Generally bad experience with broadband via power line carrier (PLC) • Physics PLC HSI Overview

  5. Some History • Pre 2000 - Generally bad experience with broadband via power line carrier (PLC) • Physics • Vendors PLC HSI Overview

  6. Some History • 1997 - NRECA Cooperative Research Network project report PLC HSI Overview

  7. Some History • 1997 - NRECA Cooperative Research Network project report • dim prospects for broadband communications via power line carrier (PLC). PLC HSI Overview

  8. Some History • 2001 - NRECA & NRTC update project report PLC HSI Overview

  9. Some History • 2001 - NRECA & NRTC update project report • Prospects still dim for PLC broadband for rural utilities. PLC HSI Overview

  10. Recent Events • 2001 - 2003 • PLC broadband vendor and developer activity increased considerably. PLC HSI Overview

  11. Recent Events • 2001 - 2003 • Cooperatives contacted by developers to solicit field trials, pilot projects, capital investment. PLC HSI Overview

  12. Recent Events • 2002 - 2003 • Several vendors claiming to be commercial now or later this year. PLC HSI Overview

  13. Recent Events • Trade Associations • 1998 - United Telecommunications Council’s (UTC) Power Line Telecomm Forum (PLTF), founded. PLC HSI Overview

  14. Recent Events • Trade Associations • 1998 - United Telecommunications Council’s (UTC) Power Line Telecomm Forum (PLTF), founded • December 5, 2001 - Power Line Communications Association (PLCA) formed by electric utilities interested in offering PLC broadband. PLC HSI Overview

  15. Recent Events • Trade Associations • 1998 - United Telecommunications Council’s (UTC) Power Line Telecomm Forum (PLTF), founded • December 5, 2001 - Power Line Communications Association (PLCA) formed by electric utilities interested in offering PLC broadband. • Early 2002 - PLTF became independent United Power Line Council (UPLC). PLC HSI Overview

  16. Recent Events • Numerous utilities worldwide trying BPL • trials involving a few hundred to a few thousand customers. PLC HSI Overview

  17. Recent Events • A few “field tests” and “pilot projects” are underway in the U.S. • each involving a small number (100) of retail customers. PLC HSI Overview

  18. Recent Events • Federal Communications Commission • FCC Chairman Michael Powell and his colleagues publicly express enthusiasm for PLC broadband. PLC HSI Overview

  19. Recent Events • Federal Communications Commission • FCC Chairman Michael Powell and his colleagues publicly express enthusiasm for PLC broadband. • UPLC and PLCA jointly asked the FCC to adjust its rules, particularly the power limitations of Part 15, to encourage PLC broadband. PLC HSI Overview

  20. Recent Events • Federal Communications Commission • FCC Chairman Michael Powell and his colleagues publicly express enthusiasm for PLC broadband. • The UPLC and PLCA jointly asked the FCC to adjust its rules, particularly the power limitations of Part 15, to encourage PLC broadband. • Notice of Inquiry (NOI) initiated on April 23, 2003 PLC HSI Overview

  21. FCC NOI • Seeks information, comment, and technical data • Current state of high speed broadband over power line (BPL) technology PLC HSI Overview

  22. FCC NOI • Seeks information, comment, and technical data • Current state of high speed broadband over power line (BPL) technology • Test results from BPL experimental sites PLC HSI Overview

  23. FCC NOI • Seeks information, comment, and technical data • Current state of high speed broadband over power line (BPL) technology • Test results from BPL experimental sites • Interference effects on authorized spectrum users PLC HSI Overview

  24. FCC NOI • Seeks information, comment, and technical data • Current state of high speed broadband over power line (BPL) technology • Test results from BPL experimental sites • Interference effects on authorized spectrum users • Measurement procedure for testing emission characteristics PLC HSI Overview

  25. FCC NOI • Seeks information, comment, and technical data • Current state of high speed broadband over power line (BPL) technology • Test results from BPL experimental sites • Interference effects on authorized spectrum users • Measurement procedure for testing emission characteristics • Changes that may be needed in • Part 15 technical rules and • the equipment approval process PLC HSI Overview

  26. FCC NOI • Initial Comments filed July 7, 2003 • Reply Comments due August 6, 2003 • Notice of Proposed Rulemaking (NPR)? PLC HSI Overview

  27. What Is BPL? • A high frequency signal carries broadband IP on a utility power line. PLC HSI Overview

  28. The Distribution System Getting beyond the transformer Insert Power Line Carrier at middle voltage Backhaul to NAP (fiber, DSL, wireless, satellite) PLC HSI Overview

  29. What Is BPL? • The high frequency signal is coupled directly onto the power line, not via modulation of the power waveform. PLC HSI Overview

  30. What Is BPL? • The effective power is < 1 Watt. PLC HSI Overview

  31. What Is BPL? • The high frequency signal • 1.7 Mhz to 100 Mhz PLC HSI Overview

  32. What Is BPL? • The high frequency signal • 1.7 Mhz to 100 Mhz • Digital spread spectrum PLC HSI Overview

  33. What Is BPL? • The high frequency signal • 1.7 Mhz to 100 Mhz • Digital spread spectrum • Unlicensed PLC HSI Overview

  34. What Is BPL? • The high frequency signal • 1.7 Mhz to 100 Mhz • Digital spread spectrum • Unlicensed • FCC Part 15 dictates a very low power transmitter to avoid unintentional radiation. PLC HSI Overview

  35. What Is BPL? • A high frequency transmitter/receiver (power line modem) is coupled to the power line PLC HSI Overview

  36. What Is BPL? • “Middle” Voltage • 34.5 KV or less PLC HSI Overview

  37. What Is BPL? • Point of signal coupling • In substation • Along the distribution line • In distribution transformer cabinet PLC HSI Overview

  38. What Is BPL? • Method of signal coupling • Capacitive • Inductive PLC HSI Overview

  39. What is BPL? • At the subscriber’s premises: • Bypass the distribution transformer with fiber, wireless or coax and inject PLC on the low voltage service drop wires, or PLC HSI Overview

  40. What is BPL? • At the subscriber’s premises: • Bypass the distribution transformer with fiber, wireless or coax and inject PLC on the low voltage service drop wires, or • Bypass the distribution transformer with fixed wireless to the premises, or PLC HSI Overview

  41. What is BPL? • At the subscriber’s premises: • Bypass the distribution transformer with fiber, wireless or coax and inject PLC on the low voltage service drop wires, or • Bypass the distribution transformer with fixed wireless to the premises, or • Transmit PLC through the distribution transformer to the premises. PLC HSI Overview

  42. What Is BPL? • “Low” Voltage • 120 V • Connect through power line modem PLC HSI Overview

  43. Inside the Home or BusinessPower Line Modem PLC HSI Overview

  44. Inside the Home or BusinessFixed Wireless PLC HSI Overview

  45. BPL Potential Advantages • Power lines reach every consumer PLC HSI Overview

  46. BPL Potential Advantages • Power lines reach every consumer • the most remote rural consumer PLC HSI Overview

  47. BPL Potential Advantages • Power lines reach every consumer • the most remote rural consumer • unmanned sites (water wells, oil wells, street lights, etc.) PLC HSI Overview

  48. BPL Potential Advantages • Power lines reach every consumer • the most remote rural consumer • unmanned sites (water wells, oil wells, street lights, etc.) • multiple locations within a building PLC HSI Overview

  49. BPL Potential Advantages • Broadband is available anywhere there is utility power • Broadband is available along the middle voltage line for utility applications. • AMR, SCADA, security, etc. PLC HSI Overview

  50. BPL Potential Advantages • Broadband is available anywhere there is utility power • On end-to-end BPL systems, broadband is available on consumers premises anywhere there is a power line. • Internet appliances for premises monitoring and control. PLC HSI Overview

More Related