Inbound interference reduction in a broadband powerline system

Details Inbound interference reduction in a broadband powerline system Inbound interference reduction in a broadband powerline system

2006-05-03

2008-11-18

Bugg, George A (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C700S022000, C700S286000

Reexamination Certificate

active

07453353

ABSTRACT:
Disclosed is a method and apparatus for reducing inbound interference in a broadband powerline communication system. Data modulated on first and second carrier frequencies is received via respective first and second lines of the powerline system. A characteristic of at least one of the carrier signals (e.g., phase or amplitude) is adjusted at the receiver in order to reduce the effects of inbound interference on the transmission system. The adjustment parameters may be determined by adjusting the parameters, during a period of no data transmission, until the output of a differential receiver is zero.

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Broadband Powerline Communications Systems A Background Brief, Sep. 2003, Australian Communications Authority, Australia, Document SP 11/03.

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