Method and apparatus for information transmission via power supp

Details Method and apparatus for information transmission via power supp Method and apparatus for information transmission via power supp

1998-04-15

1999-12-21

Crosland, Donnie L.

Communications: electrical

Systems

Selsyn type

34031001, 34031006, 34031003, 375259, 375262, H04B 100

Patent

active

060054778

ABSTRACT:
A method and a system for rapid and interference-free data communication via power supply networks at any voltage levels. The combined effects of interference from signal distortion, frequency-selective signal attenuation or noise and from pulsed interference is reduced by using an MCM multicarrier modulation method. By combining the MCM method with a specially adapted interleaver (data scrambler) and error-protection coding, the error rates can be drastically reduced and the transmission rates can be increased to considerably more than 2 kbit/s.

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patent: 5596604 (1997-01-01), Cioffi et al.
"IEEE Guide for Power-Line Carrier Applications", IEEE publication Std 643-1980, Jan. 30, 1981.

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